Initial Commit

34 files changed, 4605 insertions, 0 deletions

diff --git a/assets/php/vendor/react/promise/tests/CancellationQueueTest.php b/assets/php/vendor/react/promise/tests/CancellationQueueTest.php
new file mode 100644
index 0000000..32cedf4
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/CancellationQueueTest.php
@@ -0,0 +1,100 @@
+<?php
+
+namespace React\Promise;
+
+class CancellationQueueTest extends TestCase
+{
+    /** @test */
+    public function acceptsSimpleCancellableThenable()
+    {
+        $p = new SimpleTestCancellableThenable();
+
+        $cancellationQueue = new CancellationQueue();
+        $cancellationQueue->enqueue($p);
+
+        $cancellationQueue();
+
+        $this->assertTrue($p->cancelCalled);
+    }
+
+    /** @test */
+    public function ignoresSimpleCancellable()
+    {
+        $p = new SimpleTestCancellable();
+
+        $cancellationQueue = new CancellationQueue();
+        $cancellationQueue->enqueue($p);
+
+        $cancellationQueue();
+
+        $this->assertFalse($p->cancelCalled);
+    }
+
+    /** @test */
+    public function callsCancelOnPromisesEnqueuedBeforeStart()
+    {
+        $d1 = $this->getCancellableDeferred();
+        $d2 = $this->getCancellableDeferred();
+
+        $cancellationQueue = new CancellationQueue();
+        $cancellationQueue->enqueue($d1->promise());
+        $cancellationQueue->enqueue($d2->promise());
+
+        $cancellationQueue();
+    }
+
+    /** @test */
+    public function callsCancelOnPromisesEnqueuedAfterStart()
+    {
+        $d1 = $this->getCancellableDeferred();
+        $d2 = $this->getCancellableDeferred();
+
+        $cancellationQueue = new CancellationQueue();
+
+        $cancellationQueue();
+
+        $cancellationQueue->enqueue($d2->promise());
+        $cancellationQueue->enqueue($d1->promise());
+    }
+
+    /** @test */
+    public function doesNotCallCancelTwiceWhenStartedTwice()
+    {
+        $d = $this->getCancellableDeferred();
+
+        $cancellationQueue = new CancellationQueue();
+        $cancellationQueue->enqueue($d->promise());
+
+        $cancellationQueue();
+        $cancellationQueue();
+    }
+
+    /** @test */
+    public function rethrowsExceptionsThrownFromCancel()
+    {
+        $this->setExpectedException('\Exception', 'test');
+
+        $mock = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock
+            ->expects($this->once())
+            ->method('cancel')
+            ->will($this->throwException(new \Exception('test')));
+
+        $cancellationQueue = new CancellationQueue();
+        $cancellationQueue->enqueue($mock);
+
+        $cancellationQueue();
+    }
+
+    private function getCancellableDeferred()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke');
+
+        return new Deferred($mock);
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/DeferredTest.php b/assets/php/vendor/react/promise/tests/DeferredTest.php
new file mode 100644
index 0000000..16212e9
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/DeferredTest.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace React\Promise;
+
+use React\Promise\PromiseAdapter\CallbackPromiseAdapter;
+
+class DeferredTest extends TestCase
+{
+    use PromiseTest\FullTestTrait;
+
+    public function getPromiseTestAdapter(callable $canceller = null)
+    {
+        $d = new Deferred($canceller);
+
+        return new CallbackPromiseAdapter([
+            'promise' => [$d, 'promise'],
+            'resolve' => [$d, 'resolve'],
+            'reject'  => [$d, 'reject'],
+            'notify'  => [$d, 'progress'],
+            'settle'  => [$d, 'resolve'],
+        ]);
+    }
+
+    /** @test */
+    public function progressIsAnAliasForNotify()
+    {
+        $deferred = new Deferred();
+
+        $sentinel = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($sentinel);
+
+        $deferred->promise()
+            ->then($this->expectCallableNever(), $this->expectCallableNever(), $mock);
+
+        $deferred->progress($sentinel);
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FulfilledPromiseTest.php b/assets/php/vendor/react/promise/tests/FulfilledPromiseTest.php
new file mode 100644
index 0000000..97fc8f6
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FulfilledPromiseTest.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace React\Promise;
+
+use React\Promise\PromiseAdapter\CallbackPromiseAdapter;
+
+class FulfilledPromiseTest extends TestCase
+{
+    use PromiseTest\PromiseSettledTestTrait,
+        PromiseTest\PromiseFulfilledTestTrait;
+
+    public function getPromiseTestAdapter(callable $canceller = null)
+    {
+        $promise = null;
+
+        return new CallbackPromiseAdapter([
+            'promise' => function () use (&$promise) {
+                if (!$promise) {
+                    throw new \LogicException('FulfilledPromise must be resolved before obtaining the promise');
+                }
+
+                return $promise;
+            },
+            'resolve' => function ($value = null) use (&$promise) {
+                if (!$promise) {
+                    $promise = new FulfilledPromise($value);
+                }
+            },
+            'reject' => function () {
+                throw new \LogicException('You cannot call reject() for React\Promise\FulfilledPromise');
+            },
+            'notify' => function () {
+                // no-op
+            },
+            'settle' => function ($value = null) use (&$promise) {
+                if (!$promise) {
+                    $promise = new FulfilledPromise($value);
+                }
+            },
+        ]);
+    }
+
+    /** @test */
+    public function shouldThrowExceptionIfConstructedWithAPromise()
+    {
+        $this->setExpectedException('\InvalidArgumentException');
+
+        return new FulfilledPromise(new FulfilledPromise());
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FunctionAllTest.php b/assets/php/vendor/react/promise/tests/FunctionAllTest.php
new file mode 100644
index 0000000..74c1d7c
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FunctionAllTest.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace React\Promise;
+
+class FunctionAllTest extends TestCase
+{
+    /** @test */
+    public function shouldResolveEmptyInput()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([]));
+
+        all([])
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveValuesArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([1, 2, 3]));
+
+        all([1, 2, 3])
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolvePromisesArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([1, 2, 3]));
+
+        all([resolve(1), resolve(2), resolve(3)])
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveSparseArrayInput()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([null, 1, null, 1, 1]));
+
+        all([null, 1, null, 1, 1])
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldRejectIfAnyInputPromiseRejects()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        all([resolve(1), reject(2), resolve(3)])
+            ->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldAcceptAPromiseForAnArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([1, 2, 3]));
+
+        all(resolve([1, 2, 3]))
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveToEmptyArrayWhenInputPromiseDoesNotResolveToArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([]));
+
+        all(resolve(1))
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldPreserveTheOrderOfArrayWhenResolvingAsyncPromises()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([1, 2, 3]));
+
+        $deferred = new Deferred();
+
+        all([resolve(1), $deferred->promise(), resolve(3)])
+            ->then($mock);
+
+        $deferred->resolve(2);
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FunctionAnyTest.php b/assets/php/vendor/react/promise/tests/FunctionAnyTest.php
new file mode 100644
index 0000000..140b551
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FunctionAnyTest.php
@@ -0,0 +1,204 @@
+<?php
+
+namespace React\Promise;
+
+use React\Promise\Exception\LengthException;
+
+class FunctionAnyTest extends TestCase
+{
+    /** @test */
+    public function shouldRejectWithLengthExceptionWithEmptyInputArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with(
+                $this->callback(function($exception){
+                    return $exception instanceof LengthException &&
+                           'Input array must contain at least 1 item but contains only 0 items.' === $exception->getMessage();
+                })
+            );
+
+        any([])
+            ->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldResolveToNullWithNonArrayInput()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        any(null)
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveWithAnInputValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        any([1, 2, 3])
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveWithAPromisedInputValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        any([resolve(1), resolve(2), resolve(3)])
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldRejectWithAllRejectedInputValuesIfAllInputsAreRejected()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([0 => 1, 1 => 2, 2 => 3]));
+
+        any([reject(1), reject(2), reject(3)])
+            ->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldResolveWhenFirstInputPromiseResolves()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        any([resolve(1), reject(2), reject(3)])
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldAcceptAPromiseForAnArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        any(resolve([1, 2, 3]))
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveToNullArrayWhenInputPromiseDoesNotResolveToArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        any(resolve(1))
+            ->then($mock);
+    }
+
+    /** @test */
+    public function shouldNotRelyOnArryIndexesWhenUnwrappingToASingleResolutionValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $d1 = new Deferred();
+        $d2 = new Deferred();
+
+        any(['abc' => $d1->promise(), 1 => $d2->promise()])
+            ->then($mock);
+
+        $d2->resolve(2);
+        $d1->resolve(1);
+    }
+
+    /** @test */
+    public function shouldRejectWhenInputPromiseRejects()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        any(reject())
+            ->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldCancelInputPromise()
+    {
+        $mock = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock
+            ->expects($this->once())
+            ->method('cancel');
+
+        any($mock)->cancel();
+    }
+
+    /** @test */
+    public function shouldCancelInputArrayPromises()
+    {
+        $mock1 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock1
+            ->expects($this->once())
+            ->method('cancel');
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->once())
+            ->method('cancel');
+
+        any([$mock1, $mock2])->cancel();
+    }
+
+    /** @test */
+    public function shouldNotCancelOtherPendingInputArrayPromisesIfOnePromiseFulfills()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->never())
+            ->method('__invoke');
+
+
+        $deferred = New Deferred($mock);
+        $deferred->resolve();
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->never())
+            ->method('cancel');
+
+        some([$deferred->promise(), $mock2], 1)->cancel();
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FunctionCheckTypehintTest.php b/assets/php/vendor/react/promise/tests/FunctionCheckTypehintTest.php
new file mode 100644
index 0000000..8449bc1
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FunctionCheckTypehintTest.php
@@ -0,0 +1,118 @@
+<?php
+
+namespace React\Promise;
+
+class FunctionCheckTypehintTest extends TestCase
+{
+    /** @test */
+    public function shouldAcceptClosureCallbackWithTypehint()
+    {
+        $this->assertTrue(_checkTypehint(function (\InvalidArgumentException $e) {
+                }, new \InvalidArgumentException()));
+        $this->assertfalse(_checkTypehint(function (\InvalidArgumentException $e) {
+                }, new \Exception()));
+    }
+
+    /** @test */
+    public function shouldAcceptFunctionStringCallbackWithTypehint()
+    {
+        $this->assertTrue(_checkTypehint('React\Promise\testCallbackWithTypehint', new \InvalidArgumentException()));
+        $this->assertfalse(_checkTypehint('React\Promise\testCallbackWithTypehint', new \Exception()));
+    }
+
+    /** @test */
+    public function shouldAcceptInvokableObjectCallbackWithTypehint()
+    {
+        $this->assertTrue(_checkTypehint(new TestCallbackWithTypehintClass(), new \InvalidArgumentException()));
+        $this->assertfalse(_checkTypehint(new TestCallbackWithTypehintClass(), new \Exception()));
+    }
+
+    /** @test */
+    public function shouldAcceptObjectMethodCallbackWithTypehint()
+    {
+        $this->assertTrue(_checkTypehint([new TestCallbackWithTypehintClass(), 'testCallback'], new \InvalidArgumentException()));
+        $this->assertfalse(_checkTypehint([new TestCallbackWithTypehintClass(), 'testCallback'], new \Exception()));
+    }
+
+    /** @test */
+    public function shouldAcceptStaticClassCallbackWithTypehint()
+    {
+        $this->assertTrue(_checkTypehint(['React\Promise\TestCallbackWithTypehintClass', 'testCallbackStatic'], new \InvalidArgumentException()));
+        $this->assertfalse(_checkTypehint(['React\Promise\TestCallbackWithTypehintClass', 'testCallbackStatic'], new \Exception()));
+    }
+
+    /** @test */
+    public function shouldAcceptClosureCallbackWithoutTypehint()
+    {
+        $this->assertTrue(_checkTypehint(function (\InvalidArgumentException $e) {
+        }, new \InvalidArgumentException()));
+    }
+
+    /** @test */
+    public function shouldAcceptFunctionStringCallbackWithoutTypehint()
+    {
+        $this->assertTrue(_checkTypehint('React\Promise\testCallbackWithoutTypehint', new \InvalidArgumentException()));
+    }
+
+    /** @test */
+    public function shouldAcceptInvokableObjectCallbackWithoutTypehint()
+    {
+        $this->assertTrue(_checkTypehint(new TestCallbackWithoutTypehintClass(), new \InvalidArgumentException()));
+    }
+
+    /** @test */
+    public function shouldAcceptObjectMethodCallbackWithoutTypehint()
+    {
+        $this->assertTrue(_checkTypehint([new TestCallbackWithoutTypehintClass(), 'testCallback'], new \InvalidArgumentException()));
+    }
+
+    /** @test */
+    public function shouldAcceptStaticClassCallbackWithoutTypehint()
+    {
+        $this->assertTrue(_checkTypehint(['React\Promise\TestCallbackWithoutTypehintClass', 'testCallbackStatic'], new \InvalidArgumentException()));
+    }
+}
+
+function testCallbackWithTypehint(\InvalidArgumentException $e)
+{
+}
+
+function testCallbackWithoutTypehint()
+{
+}
+
+class TestCallbackWithTypehintClass
+{
+    public function __invoke(\InvalidArgumentException $e)
+    {
+
+    }
+
+    public function testCallback(\InvalidArgumentException $e)
+    {
+
+    }
+
+    public static function testCallbackStatic(\InvalidArgumentException $e)
+    {
+
+    }
+}
+
+class TestCallbackWithoutTypehintClass
+{
+    public function __invoke()
+    {
+
+    }
+
+    public function testCallback()
+    {
+
+    }
+
+    public static function testCallbackStatic()
+    {
+
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FunctionMapTest.php b/assets/php/vendor/react/promise/tests/FunctionMapTest.php
new file mode 100644
index 0000000..1ea560a
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FunctionMapTest.php
@@ -0,0 +1,198 @@
+<?php
+
+namespace React\Promise;
+
+class FunctionMapTest extends TestCase
+{
+    protected function mapper()
+    {
+        return function ($val) {
+            return $val * 2;
+        };
+    }
+
+    protected function promiseMapper()
+    {
+        return function ($val) {
+            return resolve($val * 2);
+        };
+    }
+
+    /** @test */
+    public function shouldMapInputValuesArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([2, 4, 6]));
+
+        map(
+            [1, 2, 3],
+            $this->mapper()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldMapInputPromisesArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([2, 4, 6]));
+
+        map(
+            [resolve(1), resolve(2), resolve(3)],
+            $this->mapper()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldMapMixedInputArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([2, 4, 6]));
+
+        map(
+            [1, resolve(2), 3],
+            $this->mapper()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldMapInputWhenMapperReturnsAPromise()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([2, 4, 6]));
+
+        map(
+            [1, 2, 3],
+            $this->promiseMapper()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldAcceptAPromiseForAnArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([2, 4, 6]));
+
+        map(
+            resolve([1, resolve(2), 3]),
+            $this->mapper()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveToEmptyArrayWhenInputPromiseDoesNotResolveToArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([]));
+
+        map(
+            resolve(1),
+            $this->mapper()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldPreserveTheOrderOfArrayWhenResolvingAsyncPromises()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([2, 4, 6]));
+
+        $deferred = new Deferred();
+
+        map(
+            [resolve(1), $deferred->promise(), resolve(3)],
+            $this->mapper()
+        )->then($mock);
+
+        $deferred->resolve(2);
+    }
+
+    /** @test */
+    public function shouldRejectWhenInputContainsRejection()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        map(
+            [resolve(1), reject(2), resolve(3)],
+            $this->mapper()
+        )->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldRejectWhenInputPromiseRejects()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        map(
+            reject(),
+            $this->mapper()
+        )->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldCancelInputPromise()
+    {
+        $mock = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock
+            ->expects($this->once())
+            ->method('cancel');
+
+        map(
+            $mock,
+            $this->mapper()
+        )->cancel();
+    }
+
+    /** @test */
+    public function shouldCancelInputArrayPromises()
+    {
+        $mock1 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock1
+            ->expects($this->once())
+            ->method('cancel');
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->once())
+            ->method('cancel');
+
+        map(
+            [$mock1, $mock2],
+            $this->mapper()
+        )->cancel();
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FunctionRaceTest.php b/assets/php/vendor/react/promise/tests/FunctionRaceTest.php
new file mode 100644
index 0000000..83770ec
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FunctionRaceTest.php
@@ -0,0 +1,211 @@
+<?php
+
+namespace React\Promise;
+
+class FunctionRaceTest extends TestCase
+{
+    /** @test */
+    public function shouldResolveEmptyInput()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        race(
+            []
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveValuesArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        race(
+            [1, 2, 3]
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolvePromisesArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $d1 = new Deferred();
+        $d2 = new Deferred();
+        $d3 = new Deferred();
+
+        race(
+            [$d1->promise(), $d2->promise(), $d3->promise()]
+        )->then($mock);
+
+        $d2->resolve(2);
+
+        $d1->resolve(1);
+        $d3->resolve(3);
+    }
+
+    /** @test */
+    public function shouldResolveSparseArrayInput()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        race(
+            [null, 1, null, 2, 3]
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldRejectIfFirstSettledPromiseRejects()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $d1 = new Deferred();
+        $d2 = new Deferred();
+        $d3 = new Deferred();
+
+        race(
+            [$d1->promise(), $d2->promise(), $d3->promise()]
+        )->then($this->expectCallableNever(), $mock);
+
+        $d2->reject(2);
+
+        $d1->resolve(1);
+        $d3->resolve(3);
+    }
+
+    /** @test */
+    public function shouldAcceptAPromiseForAnArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        race(
+            resolve([1, 2, 3])
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveToNullWhenInputPromiseDoesNotResolveToArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        race(
+            resolve(1)
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldRejectWhenInputPromiseRejects()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        race(
+            reject()
+        )->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldCancelInputPromise()
+    {
+        $mock = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock
+            ->expects($this->once())
+            ->method('cancel');
+
+        race($mock)->cancel();
+    }
+
+    /** @test */
+    public function shouldCancelInputArrayPromises()
+    {
+        $mock1 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock1
+            ->expects($this->once())
+            ->method('cancel');
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->once())
+            ->method('cancel');
+
+        race([$mock1, $mock2])->cancel();
+    }
+
+    /** @test */
+    public function shouldNotCancelOtherPendingInputArrayPromisesIfOnePromiseFulfills()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->never())
+            ->method('__invoke');
+
+        $deferred = New Deferred($mock);
+        $deferred->resolve();
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->never())
+            ->method('cancel');
+
+        race([$deferred->promise(), $mock2])->cancel();
+    }
+
+    /** @test */
+    public function shouldNotCancelOtherPendingInputArrayPromisesIfOnePromiseRejects()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->never())
+            ->method('__invoke');
+
+        $deferred = New Deferred($mock);
+        $deferred->reject();
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->never())
+            ->method('cancel');
+
+        race([$deferred->promise(), $mock2])->cancel();
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FunctionReduceTest.php b/assets/php/vendor/react/promise/tests/FunctionReduceTest.php
new file mode 100644
index 0000000..8b43a87
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FunctionReduceTest.php
@@ -0,0 +1,347 @@
+<?php
+
+namespace React\Promise;
+
+class FunctionReduceTest extends TestCase
+{
+    protected function plus()
+    {
+        return function ($sum, $val) {
+            return $sum + $val;
+        };
+    }
+
+    protected function append()
+    {
+        return function ($sum, $val) {
+            return $sum . $val;
+        };
+    }
+
+    /** @test */
+    public function shouldReduceValuesWithoutInitialValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(6));
+
+        reduce(
+            [1, 2, 3],
+            $this->plus()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldReduceValuesWithInitialValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(7));
+
+        reduce(
+            [1, 2, 3],
+            $this->plus(),
+            1
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldReduceValuesWithInitialPromise()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(7));
+
+        reduce(
+            [1, 2, 3],
+            $this->plus(),
+            resolve(1)
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldReducePromisedValuesWithoutInitialValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(6));
+
+        reduce(
+            [resolve(1), resolve(2), resolve(3)],
+            $this->plus()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldReducePromisedValuesWithInitialValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(7));
+
+        reduce(
+            [resolve(1), resolve(2), resolve(3)],
+            $this->plus(),
+            1
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldReducePromisedValuesWithInitialPromise()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(7));
+
+        reduce(
+            [resolve(1), resolve(2), resolve(3)],
+            $this->plus(),
+            resolve(1)
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldReduceEmptyInputWithInitialValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        reduce(
+            [],
+            $this->plus(),
+            1
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldReduceEmptyInputWithInitialPromise()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        reduce(
+            [],
+            $this->plus(),
+            resolve(1)
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldRejectWhenInputContainsRejection()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        reduce(
+            [resolve(1), reject(2), resolve(3)],
+            $this->plus(),
+            resolve(1)
+        )->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldResolveWithNullWhenInputIsEmptyAndNoInitialValueOrPromiseProvided()
+    {
+        // Note: this is different from when.js's behavior!
+        // In when.reduce(), this rejects with a TypeError exception (following
+        // JavaScript's [].reduce behavior.
+        // We're following PHP's array_reduce behavior and resolve with NULL.
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        reduce(
+            [],
+            $this->plus()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldAllowSparseArrayInputWithoutInitialValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(3));
+
+        reduce(
+            [null, null, 1, null, 1, 1],
+            $this->plus()
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldAllowSparseArrayInputWithInitialValue()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(4));
+
+        reduce(
+            [null, null, 1, null, 1, 1],
+            $this->plus(),
+            1
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldReduceInInputOrder()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo('123'));
+
+        reduce(
+            [1, 2, 3],
+            $this->append(),
+            ''
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldAcceptAPromiseForAnArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo('123'));
+
+        reduce(
+            resolve([1, 2, 3]),
+            $this->append(),
+            ''
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveToInitialValueWhenInputPromiseDoesNotResolveToAnArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        reduce(
+            resolve(1),
+            $this->plus(),
+            1
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldProvideCorrectBasisValue()
+    {
+        $insertIntoArray = function ($arr, $val, $i) {
+            $arr[$i] = $val;
+
+            return $arr;
+        };
+
+        $d1 = new Deferred();
+        $d2 = new Deferred();
+        $d3 = new Deferred();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([1, 2, 3]));
+
+        reduce(
+            [$d1->promise(), $d2->promise(), $d3->promise()],
+            $insertIntoArray,
+            []
+        )->then($mock);
+
+        $d3->resolve(3);
+        $d1->resolve(1);
+        $d2->resolve(2);
+    }
+
+    /** @test */
+    public function shouldRejectWhenInputPromiseRejects()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        reduce(
+            reject(),
+            $this->plus(),
+            1
+        )->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldCancelInputPromise()
+    {
+        $mock = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock
+            ->expects($this->once())
+            ->method('cancel');
+
+        reduce(
+            $mock,
+            $this->plus(),
+            1
+        )->cancel();
+    }
+
+    /** @test */
+    public function shouldCancelInputArrayPromises()
+    {
+        $mock1 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock1
+            ->expects($this->once())
+            ->method('cancel');
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->once())
+            ->method('cancel');
+
+        reduce(
+            [$mock1, $mock2],
+            $this->plus(),
+            1
+        )->cancel();
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FunctionRejectTest.php b/assets/php/vendor/react/promise/tests/FunctionRejectTest.php
new file mode 100644
index 0000000..84b8ec6
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FunctionRejectTest.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace React\Promise;
+
+class FunctionRejectTest extends TestCase
+{
+    /** @test */
+    public function shouldRejectAnImmediateValue()
+    {
+        $expected = 123;
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($expected));
+
+        reject($expected)
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+    }
+
+    /** @test */
+    public function shouldRejectAFulfilledPromise()
+    {
+        $expected = 123;
+
+        $resolved = new FulfilledPromise($expected);
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($expected));
+
+        reject($resolved)
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+    }
+
+    /** @test */
+    public function shouldRejectARejectedPromise()
+    {
+        $expected = 123;
+
+        $resolved = new RejectedPromise($expected);
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($expected));
+
+        reject($resolved)
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FunctionResolveTest.php b/assets/php/vendor/react/promise/tests/FunctionResolveTest.php
new file mode 100644
index 0000000..53126bc
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FunctionResolveTest.php
@@ -0,0 +1,171 @@
+<?php
+
+namespace React\Promise;
+
+class FunctionResolveTest extends TestCase
+{
+    /** @test */
+    public function shouldResolveAnImmediateValue()
+    {
+        $expected = 123;
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($expected));
+
+        resolve($expected)
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function shouldResolveAFulfilledPromise()
+    {
+        $expected = 123;
+
+        $resolved = new FulfilledPromise($expected);
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($expected));
+
+        resolve($resolved)
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function shouldResolveAThenable()
+    {
+        $thenable = new SimpleFulfilledTestThenable();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo('foo'));
+
+        resolve($thenable)
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function shouldResolveACancellableThenable()
+    {
+        $thenable = new SimpleTestCancellableThenable();
+
+        $promise = resolve($thenable);
+        $promise->cancel();
+
+        $this->assertTrue($thenable->cancelCalled);
+    }
+
+    /** @test */
+    public function shouldRejectARejectedPromise()
+    {
+        $expected = 123;
+
+        $resolved = new RejectedPromise($expected);
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($expected));
+
+        resolve($resolved)
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+    }
+
+    /** @test */
+    public function shouldSupportDeepNestingInPromiseChains()
+    {
+        $d = new Deferred();
+        $d->resolve(false);
+
+        $result = resolve(resolve($d->promise()->then(function ($val) {
+            $d = new Deferred();
+            $d->resolve($val);
+
+            $identity = function ($val) {
+                return $val;
+            };
+
+            return resolve($d->promise()->then($identity))->then(
+                function ($val) {
+                    return !$val;
+                }
+            );
+        })));
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(true));
+
+        $result->then($mock);
+    }
+
+    /** @test */
+    public function shouldSupportVeryDeepNestedPromises()
+    {
+        $deferreds = [];
+
+        // @TODO Increase count once global-queue is merged
+        for ($i = 0; $i < 10; $i++) {
+            $deferreds[] = $d = new Deferred();
+            $p = $d->promise();
+
+            $last = $p;
+            for ($j = 0; $j < 10; $j++) {
+                $last = $last->then(function($result) {
+                    return $result;
+                });
+            }
+        }
+
+        $p = null;
+        foreach ($deferreds as $d) {
+            if ($p) {
+                $d->resolve($p);
+            }
+
+            $p = $d->promise();
+        }
+
+        $deferreds[0]->resolve(true);
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(true));
+
+        $deferreds[0]->promise()->then($mock);
+    }
+
+    /** @test */
+    public function returnsExtendePromiseForSimplePromise()
+    {
+        $promise = $this
+            ->getMockBuilder('React\Promise\PromiseInterface')
+            ->getMock();
+
+        $this->assertInstanceOf('React\Promise\ExtendedPromiseInterface', resolve($promise));
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/FunctionSomeTest.php b/assets/php/vendor/react/promise/tests/FunctionSomeTest.php
new file mode 100644
index 0000000..276b54b
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/FunctionSomeTest.php
@@ -0,0 +1,258 @@
+<?php
+
+namespace React\Promise;
+
+use React\Promise\Exception\LengthException;
+
+class FunctionSomeTest extends TestCase
+{
+    /** @test */
+    public function shouldRejectWithLengthExceptionWithEmptyInputArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with(
+                $this->callback(function($exception){
+                    return $exception instanceof LengthException &&
+                           'Input array must contain at least 1 item but contains only 0 items.' === $exception->getMessage();
+                })
+            );
+
+        some(
+            [],
+            1
+        )->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldRejectWithLengthExceptionWithInputArrayContainingNotEnoughItems()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with(
+                $this->callback(function($exception){
+                    return $exception instanceof LengthException &&
+                           'Input array must contain at least 4 items but contains only 3 items.' === $exception->getMessage();
+                })
+            );
+
+        some(
+            [1, 2, 3],
+            4
+        )->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldResolveToEmptyArrayWithNonArrayInput()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([]));
+
+        some(
+            null,
+            1
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveValuesArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([1, 2]));
+
+        some(
+            [1, 2, 3],
+            2
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolvePromisesArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([1, 2]));
+
+        some(
+            [resolve(1), resolve(2), resolve(3)],
+            2
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveSparseArrayInput()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([null, 1]));
+
+        some(
+            [null, 1, null, 2, 3],
+            2
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldRejectIfAnyInputPromiseRejectsBeforeDesiredNumberOfInputsAreResolved()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([1 => 2, 2 => 3]));
+
+        some(
+            [resolve(1), reject(2), reject(3)],
+            2
+        )->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldAcceptAPromiseForAnArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([1, 2]));
+
+        some(
+            resolve([1, 2, 3]),
+            2
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveWithEmptyArrayIfHowManyIsLessThanOne()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([]));
+
+        some(
+            [1],
+            0
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldResolveToEmptyArrayWhenInputPromiseDoesNotResolveToArray()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo([]));
+
+        some(
+            resolve(1),
+            1
+        )->then($mock);
+    }
+
+    /** @test */
+    public function shouldRejectWhenInputPromiseRejects()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(null));
+
+        some(
+            reject(),
+            1
+        )->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldCancelInputPromise()
+    {
+        $mock = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock
+            ->expects($this->once())
+            ->method('cancel');
+
+        some($mock, 1)->cancel();
+    }
+
+    /** @test */
+    public function shouldCancelInputArrayPromises()
+    {
+        $mock1 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock1
+            ->expects($this->once())
+            ->method('cancel');
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->once())
+            ->method('cancel');
+
+        some([$mock1, $mock2], 1)->cancel();
+    }
+
+    /** @test */
+    public function shouldNotCancelOtherPendingInputArrayPromisesIfEnoughPromisesFulfill()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->never())
+            ->method('__invoke');
+
+        $deferred = New Deferred($mock);
+        $deferred->resolve();
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->never())
+            ->method('cancel');
+
+        some([$deferred->promise(), $mock2], 1);
+    }
+
+    /** @test */
+    public function shouldNotCancelOtherPendingInputArrayPromisesIfEnoughPromisesReject()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->never())
+            ->method('__invoke');
+
+        $deferred = New Deferred($mock);
+        $deferred->reject();
+
+        $mock2 = $this
+            ->getMockBuilder('React\Promise\CancellablePromiseInterface')
+            ->getMock();
+        $mock2
+            ->expects($this->never())
+            ->method('cancel');
+
+        some([$deferred->promise(), $mock2], 2);
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/LazyPromiseTest.php b/assets/php/vendor/react/promise/tests/LazyPromiseTest.php
new file mode 100644
index 0000000..b630881
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/LazyPromiseTest.php
@@ -0,0 +1,107 @@
+<?php
+
+namespace React\Promise;
+
+use React\Promise\PromiseAdapter\CallbackPromiseAdapter;
+
+class LazyPromiseTest extends TestCase
+{
+    use PromiseTest\FullTestTrait;
+
+    public function getPromiseTestAdapter(callable $canceller = null)
+    {
+        $d = new Deferred($canceller);
+
+        $factory = function () use ($d) {
+            return $d->promise();
+        };
+
+        return new CallbackPromiseAdapter([
+            'promise'  => function () use ($factory) {
+                return new LazyPromise($factory);
+            },
+            'resolve' => [$d, 'resolve'],
+            'reject'  => [$d, 'reject'],
+            'notify'  => [$d, 'progress'],
+            'settle'  => [$d, 'resolve'],
+        ]);
+    }
+
+    /** @test */
+    public function shouldNotCallFactoryIfThenIsNotInvoked()
+    {
+        $factory = $this->createCallableMock();
+        $factory
+            ->expects($this->never())
+            ->method('__invoke');
+
+        new LazyPromise($factory);
+    }
+
+    /** @test */
+    public function shouldCallFactoryIfThenIsInvoked()
+    {
+        $factory = $this->createCallableMock();
+        $factory
+            ->expects($this->once())
+            ->method('__invoke');
+
+        $p = new LazyPromise($factory);
+        $p->then();
+    }
+
+    /** @test */
+    public function shouldReturnPromiseFromFactory()
+    {
+        $factory = $this->createCallableMock();
+        $factory
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->returnValue(new FulfilledPromise(1)));
+
+        $onFulfilled = $this->createCallableMock();
+        $onFulfilled
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $p = new LazyPromise($factory);
+
+        $p->then($onFulfilled);
+    }
+
+    /** @test */
+    public function shouldReturnPromiseIfFactoryReturnsNull()
+    {
+        $factory = $this->createCallableMock();
+        $factory
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->returnValue(null));
+
+        $p = new LazyPromise($factory);
+        $this->assertInstanceOf('React\\Promise\\PromiseInterface', $p->then());
+    }
+
+    /** @test */
+    public function shouldReturnRejectedPromiseIfFactoryThrowsException()
+    {
+        $exception = new \Exception();
+
+        $factory = $this->createCallableMock();
+        $factory
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->throwException($exception));
+
+        $onRejected = $this->createCallableMock();
+        $onRejected
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $p = new LazyPromise($factory);
+
+        $p->then($this->expectCallableNever(), $onRejected);
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseAdapter/CallbackPromiseAdapter.php b/assets/php/vendor/react/promise/tests/PromiseAdapter/CallbackPromiseAdapter.php
new file mode 100644
index 0000000..bdedf46
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseAdapter/CallbackPromiseAdapter.php
@@ -0,0 +1,40 @@
+<?php
+
+namespace React\Promise\PromiseAdapter;
+
+use React\Promise;
+
+class CallbackPromiseAdapter implements PromiseAdapterInterface
+{
+    private $callbacks;
+
+    public function __construct(array $callbacks)
+    {
+        $this->callbacks = $callbacks;
+    }
+
+    public function promise()
+    {
+        return call_user_func_array($this->callbacks['promise'], func_get_args());
+    }
+
+    public function resolve()
+    {
+        return call_user_func_array($this->callbacks['resolve'], func_get_args());
+    }
+
+    public function reject()
+    {
+        return call_user_func_array($this->callbacks['reject'], func_get_args());
+    }
+
+    public function notify()
+    {
+        return call_user_func_array($this->callbacks['notify'], func_get_args());
+    }
+
+    public function settle()
+    {
+        return call_user_func_array($this->callbacks['settle'], func_get_args());
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseAdapter/PromiseAdapterInterface.php b/assets/php/vendor/react/promise/tests/PromiseAdapter/PromiseAdapterInterface.php
new file mode 100644
index 0000000..9157cd4
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseAdapter/PromiseAdapterInterface.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace React\Promise\PromiseAdapter;
+
+use React\Promise;
+
+interface PromiseAdapterInterface
+{
+    public function promise();
+    public function resolve();
+    public function reject();
+    public function notify();
+    public function settle();
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest.php b/assets/php/vendor/react/promise/tests/PromiseTest.php
new file mode 100644
index 0000000..dc7b733
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace React\Promise;
+
+use React\Promise\PromiseAdapter\CallbackPromiseAdapter;
+
+class PromiseTest extends TestCase
+{
+    use PromiseTest\FullTestTrait;
+
+    public function getPromiseTestAdapter(callable $canceller = null)
+    {
+        $resolveCallback = $rejectCallback = $progressCallback = null;
+
+        $promise = new Promise(function ($resolve, $reject, $progress) use (&$resolveCallback, &$rejectCallback, &$progressCallback) {
+            $resolveCallback  = $resolve;
+            $rejectCallback   = $reject;
+            $progressCallback = $progress;
+        }, $canceller);
+
+        return new CallbackPromiseAdapter([
+            'promise' => function () use ($promise) {
+                return $promise;
+            },
+            'resolve' => $resolveCallback,
+            'reject'  => $rejectCallback,
+            'notify'  => $progressCallback,
+            'settle'  => $resolveCallback,
+        ]);
+    }
+
+    /** @test */
+    public function shouldRejectIfResolverThrowsException()
+    {
+        $exception = new \Exception('foo');
+
+        $promise = new Promise(function () use ($exception) {
+            throw $exception;
+        });
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $promise
+            ->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldFulfillIfFullfilledWithSimplePromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo('foo'));
+
+        $adapter->promise()
+            ->then($mock);
+
+        $adapter->resolve(new SimpleFulfilledTestPromise());
+    }
+
+    /** @test */
+    public function shouldRejectIfRejectedWithSimplePromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo('foo'));
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $mock);
+
+        $adapter->resolve(new SimpleRejectedTestPromise());
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest/CancelTestTrait.php b/assets/php/vendor/react/promise/tests/PromiseTest/CancelTestTrait.php
new file mode 100644
index 0000000..d722d75
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest/CancelTestTrait.php
@@ -0,0 +1,231 @@
+<?php
+
+namespace React\Promise\PromiseTest;
+
+use React\Promise;
+
+trait CancelTestTrait
+{
+    /**
+     * @return \React\Promise\PromiseAdapter\PromiseAdapterInterface
+     */
+    abstract public function getPromiseTestAdapter(callable $canceller = null);
+
+    /** @test */
+    public function cancelShouldCallCancellerWithResolverArguments()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->isType('callable'), $this->isType('callable'), $this->isType('callable'));
+
+        $adapter = $this->getPromiseTestAdapter($mock);
+
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldFulfillPromiseIfCancellerFulfills()
+    {
+        $adapter = $this->getPromiseTestAdapter(function ($resolve) {
+            $resolve(1);
+        });
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($mock, $this->expectCallableNever());
+
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldRejectPromiseIfCancellerRejects()
+    {
+        $adapter = $this->getPromiseTestAdapter(function ($resolve, $reject) {
+            $reject(1);
+        });
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $mock);
+
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldRejectPromiseWithExceptionIfCancellerThrows()
+    {
+        $e = new \Exception();
+
+        $adapter = $this->getPromiseTestAdapter(function () use ($e) {
+            throw $e;
+        });
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($e));
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $mock);
+
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldProgressPromiseIfCancellerNotifies()
+    {
+        $adapter = $this->getPromiseTestAdapter(function ($resolve, $reject, $progress) {
+            $progress(1);
+        });
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $this->expectCallableNever(), $mock);
+
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldCallCancellerOnlyOnceIfCancellerResolves()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->returnCallback(function ($resolve) {
+                $resolve();
+            }));
+
+        $adapter = $this->getPromiseTestAdapter($mock);
+
+        $adapter->promise()->cancel();
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldHaveNoEffectIfCancellerDoesNothing()
+    {
+        $adapter = $this->getPromiseTestAdapter(function () {});
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $this->expectCallableNever());
+
+        $adapter->promise()->cancel();
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldCallCancellerFromDeepNestedPromiseChain()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke');
+
+        $adapter = $this->getPromiseTestAdapter($mock);
+
+        $promise = $adapter->promise()
+            ->then(function () {
+                return new Promise\Promise(function () {});
+            })
+            ->then(function () {
+                $d = new Promise\Deferred();
+
+                return $d->promise();
+            })
+            ->then(function () {
+                return new Promise\Promise(function () {});
+            });
+
+        $promise->cancel();
+    }
+
+    /** @test */
+    public function cancelCalledOnChildrenSouldOnlyCancelWhenAllChildrenCancelled()
+    {
+        $adapter = $this->getPromiseTestAdapter($this->expectCallableNever());
+
+        $child1 = $adapter->promise()
+            ->then()
+            ->then();
+
+        $adapter->promise()
+            ->then();
+
+        $child1->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldTriggerCancellerWhenAllChildrenCancel()
+    {
+        $adapter = $this->getPromiseTestAdapter($this->expectCallableOnce());
+
+        $child1 = $adapter->promise()
+            ->then()
+            ->then();
+
+        $child2 = $adapter->promise()
+            ->then();
+
+        $child1->cancel();
+        $child2->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldNotTriggerCancellerWhenCancellingOneChildrenMultipleTimes()
+    {
+        $adapter = $this->getPromiseTestAdapter($this->expectCallableNever());
+
+        $child1 = $adapter->promise()
+            ->then()
+            ->then();
+
+        $child2 = $adapter->promise()
+            ->then();
+
+        $child1->cancel();
+        $child1->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldTriggerCancellerOnlyOnceWhenCancellingMultipleTimes()
+    {
+        $adapter = $this->getPromiseTestAdapter($this->expectCallableOnce());
+
+        $adapter->promise()->cancel();
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function cancelShouldAlwaysTriggerCancellerWhenCalledOnRootPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter($this->expectCallableOnce());
+
+        $adapter->promise()
+            ->then()
+            ->then();
+
+        $adapter->promise()
+            ->then();
+
+        $adapter->promise()->cancel();
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest/FullTestTrait.php b/assets/php/vendor/react/promise/tests/PromiseTest/FullTestTrait.php
new file mode 100644
index 0000000..3ce45d6
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest/FullTestTrait.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace React\Promise\PromiseTest;
+
+trait FullTestTrait
+{
+    use PromisePendingTestTrait,
+        PromiseSettledTestTrait,
+        PromiseFulfilledTestTrait,
+        PromiseRejectedTestTrait,
+        ResolveTestTrait,
+        RejectTestTrait,
+        NotifyTestTrait,
+        CancelTestTrait;
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest/NotifyTestTrait.php b/assets/php/vendor/react/promise/tests/PromiseTest/NotifyTestTrait.php
new file mode 100644
index 0000000..4501df6
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest/NotifyTestTrait.php
@@ -0,0 +1,336 @@
+<?php
+
+namespace React\Promise\PromiseTest;
+
+trait NotifyTestTrait
+{
+    /**
+     * @return \React\Promise\PromiseAdapter\PromiseAdapterInterface
+     */
+    abstract public function getPromiseTestAdapter(callable $canceller = null);
+
+    /** @test */
+    public function notifyShouldProgress()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $sentinel = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($sentinel);
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $this->expectCallableNever(), $mock);
+
+        $adapter->notify($sentinel);
+    }
+
+    /** @test */
+    public function notifyShouldPropagateProgressToDownstreamPromises()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $sentinel = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->returnArgument(0));
+
+        $mock2 = $this->createCallableMock();
+        $mock2
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($sentinel);
+
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock
+            )
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock2
+            );
+
+        $adapter->notify($sentinel);
+    }
+
+    /** @test */
+    public function notifyShouldPropagateTransformedProgressToDownstreamPromises()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $sentinel = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->returnValue($sentinel));
+
+        $mock2 = $this->createCallableMock();
+        $mock2
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($sentinel);
+
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock
+            )
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock2
+            );
+
+        $adapter->notify(1);
+    }
+
+    /** @test */
+    public function notifyShouldPropagateCaughtExceptionValueAsProgress()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->throwException($exception));
+
+        $mock2 = $this->createCallableMock();
+        $mock2
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock
+            )
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock2
+            );
+
+        $adapter->notify(1);
+    }
+
+    /** @test */
+    public function notifyShouldForwardProgressEventsWhenIntermediaryCallbackTiedToAResolvedPromiseReturnsAPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+        $adapter2 = $this->getPromiseTestAdapter();
+
+        $promise2 = $adapter2->promise();
+
+        $sentinel = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($sentinel);
+
+        // resolve BEFORE attaching progress handler
+        $adapter->resolve();
+
+        $adapter->promise()
+            ->then(function () use ($promise2) {
+                return $promise2;
+            })
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock
+            );
+
+        $adapter2->notify($sentinel);
+    }
+
+    /** @test */
+    public function notifyShouldForwardProgressEventsWhenIntermediaryCallbackTiedToAnUnresolvedPromiseReturnsAPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+        $adapter2 = $this->getPromiseTestAdapter();
+
+        $promise2 = $adapter2->promise();
+
+        $sentinel = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($sentinel);
+
+        $adapter->promise()
+            ->then(function () use ($promise2) {
+                return $promise2;
+            })
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock
+            );
+
+        // resolve AFTER attaching progress handler
+        $adapter->resolve();
+        $adapter2->notify($sentinel);
+    }
+
+    /** @test */
+    public function notifyShouldForwardProgressWhenResolvedWithAnotherPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+        $adapter2 = $this->getPromiseTestAdapter();
+
+        $sentinel = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->returnValue($sentinel));
+
+        $mock2 = $this->createCallableMock();
+        $mock2
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($sentinel);
+
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock
+            )
+            ->then(
+                $this->expectCallableNever(),
+                $this->expectCallableNever(),
+                $mock2
+            );
+
+        $adapter->resolve($adapter2->promise());
+        $adapter2->notify($sentinel);
+    }
+
+    /** @test */
+    public function notifyShouldAllowResolveAfterProgress()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->at(0))
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+        $mock
+            ->expects($this->at(1))
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $adapter->promise()
+            ->then(
+                $mock,
+                $this->expectCallableNever(),
+                $mock
+            );
+
+        $adapter->notify(1);
+        $adapter->resolve(2);
+    }
+
+    /** @test */
+    public function notifyShouldAllowRejectAfterProgress()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->at(0))
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+        $mock
+            ->expects($this->at(1))
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                $mock,
+                $mock
+            );
+
+        $adapter->notify(1);
+        $adapter->reject(2);
+    }
+
+    /** @test */
+    public function notifyShouldReturnSilentlyOnProgressWhenAlreadyRejected()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->reject(1);
+
+        $this->assertNull($adapter->notify());
+    }
+
+    /** @test */
+    public function notifyShouldInvokeProgressHandler()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()->progress($mock);
+        $adapter->notify(1);
+    }
+
+    /** @test */
+    public function notifyShouldInvokeProgressHandlerFromDone()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $this->assertNull($adapter->promise()->done(null, null, $mock));
+        $adapter->notify(1);
+    }
+
+    /** @test */
+    public function notifyShouldThrowExceptionThrownProgressHandlerFromDone()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $this->assertNull($adapter->promise()->done(null, null, function () {
+            throw new \Exception('UnhandledRejectionException');
+        }));
+        $adapter->notify(1);
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest/PromiseFulfilledTestTrait.php b/assets/php/vendor/react/promise/tests/PromiseTest/PromiseFulfilledTestTrait.php
new file mode 100644
index 0000000..428230b
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest/PromiseFulfilledTestTrait.php
@@ -0,0 +1,351 @@
+<?php
+
+namespace React\Promise\PromiseTest;
+
+trait PromiseFulfilledTestTrait
+{
+    /**
+     * @return \React\Promise\PromiseAdapter\PromiseAdapterInterface
+     */
+    abstract public function getPromiseTestAdapter(callable $canceller = null);
+
+    /** @test */
+    public function fulfilledPromiseShouldBeImmutable()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->resolve(1);
+        $adapter->resolve(2);
+
+        $adapter->promise()
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function fulfilledPromiseShouldInvokeNewlyAddedCallback()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->resolve(1);
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($mock, $this->expectCallableNever());
+    }
+
+    /** @test */
+    public function thenShouldForwardResultWhenCallbackIsNull()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->resolve(1);
+        $adapter->promise()
+            ->then(
+                null,
+                $this->expectCallableNever()
+            )
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function thenShouldForwardCallbackResultToNextCallback()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $adapter->resolve(1);
+        $adapter->promise()
+            ->then(
+                function ($val) {
+                    return $val + 1;
+                },
+                $this->expectCallableNever()
+            )
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function thenShouldForwardPromisedCallbackResultValueToNextCallback()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $adapter->resolve(1);
+        $adapter->promise()
+            ->then(
+                function ($val) {
+                    return \React\Promise\resolve($val + 1);
+                },
+                $this->expectCallableNever()
+            )
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function thenShouldSwitchFromCallbacksToErrbacksWhenCallbackReturnsARejection()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $adapter->resolve(1);
+        $adapter->promise()
+            ->then(
+                function ($val) {
+                    return \React\Promise\reject($val + 1);
+                },
+                $this->expectCallableNever()
+            )
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+    }
+
+    /** @test */
+    public function thenShouldSwitchFromCallbacksToErrbacksWhenCallbackThrows()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->throwException($exception));
+
+        $mock2 = $this->createCallableMock();
+        $mock2
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->resolve(1);
+        $adapter->promise()
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            )
+            ->then(
+                $this->expectCallableNever(),
+                $mock2
+            );
+    }
+
+    /** @test */
+    public function cancelShouldReturnNullForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->resolve();
+
+        $this->assertNull($adapter->promise()->cancel());
+    }
+
+    /** @test */
+    public function cancelShouldHaveNoEffectForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter($this->expectCallableNever());
+
+        $adapter->resolve();
+
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function doneShouldInvokeFulfillmentHandlerForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->resolve(1);
+        $this->assertNull($adapter->promise()->done($mock));
+    }
+
+    /** @test */
+    public function doneShouldThrowExceptionThrownFulfillmentHandlerForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $adapter->resolve(1);
+        $this->assertNull($adapter->promise()->done(function () {
+            throw new \Exception('UnhandledRejectionException');
+        }));
+    }
+
+    /** @test */
+    public function doneShouldThrowUnhandledRejectionExceptionWhenFulfillmentHandlerRejectsForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('React\\Promise\\UnhandledRejectionException');
+
+        $adapter->resolve(1);
+        $this->assertNull($adapter->promise()->done(function () {
+            return \React\Promise\reject();
+        }));
+    }
+
+    /** @test */
+    public function otherwiseShouldNotInvokeRejectionHandlerForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->resolve(1);
+        $adapter->promise()->otherwise($this->expectCallableNever());
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressValueForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $value = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($value));
+
+        $adapter->resolve($value);
+        $adapter->promise()
+            ->always(function () {})
+            ->then($mock);
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressValueWhenHandlerReturnsANonPromiseForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $value = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($value));
+
+        $adapter->resolve($value);
+        $adapter->promise()
+            ->always(function () {
+                return 1;
+            })
+            ->then($mock);
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressValueWhenHandlerReturnsAPromiseForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $value = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($value));
+
+        $adapter->resolve($value);
+        $adapter->promise()
+            ->always(function () {
+                return \React\Promise\resolve(1);
+            })
+            ->then($mock);
+    }
+
+    /** @test */
+    public function alwaysShouldRejectWhenHandlerThrowsForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->resolve(1);
+        $adapter->promise()
+            ->always(function () use ($exception) {
+                throw $exception;
+            })
+            ->then(null, $mock);
+    }
+
+    /** @test */
+    public function alwaysShouldRejectWhenHandlerRejectsForFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->resolve(1);
+        $adapter->promise()
+            ->always(function () use ($exception) {
+                return \React\Promise\reject($exception);
+            })
+            ->then(null, $mock);
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest/PromisePendingTestTrait.php b/assets/php/vendor/react/promise/tests/PromiseTest/PromisePendingTestTrait.php
new file mode 100644
index 0000000..a4f48ee
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest/PromisePendingTestTrait.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace React\Promise\PromiseTest;
+
+trait PromisePendingTestTrait
+{
+    /**
+     * @return \React\Promise\PromiseAdapter\PromiseAdapterInterface
+     */
+    abstract public function getPromiseTestAdapter(callable $canceller = null);
+
+    /** @test */
+    public function thenShouldReturnAPromiseForPendingPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->assertInstanceOf('React\\Promise\\PromiseInterface', $adapter->promise()->then());
+    }
+
+    /** @test */
+    public function thenShouldReturnAllowNullForPendingPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->assertInstanceOf('React\\Promise\\PromiseInterface', $adapter->promise()->then(null, null, null));
+    }
+
+    /** @test */
+    public function cancelShouldReturnNullForPendingPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->assertNull($adapter->promise()->cancel());
+    }
+
+    /** @test */
+    public function doneShouldReturnNullForPendingPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->assertNull($adapter->promise()->done());
+    }
+
+    /** @test */
+    public function doneShouldReturnAllowNullForPendingPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->assertNull($adapter->promise()->done(null, null, null));
+    }
+
+    /** @test */
+    public function otherwiseShouldNotInvokeRejectionHandlerForPendingPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->settle();
+        $adapter->promise()->otherwise($this->expectCallableNever());
+    }
+
+    /** @test */
+    public function alwaysShouldReturnAPromiseForPendingPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->assertInstanceOf('React\\Promise\\PromiseInterface', $adapter->promise()->always(function () {}));
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest/PromiseRejectedTestTrait.php b/assets/php/vendor/react/promise/tests/PromiseTest/PromiseRejectedTestTrait.php
new file mode 100644
index 0000000..98d1dcf
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest/PromiseRejectedTestTrait.php
@@ -0,0 +1,512 @@
+<?php
+
+namespace React\Promise\PromiseTest;
+
+use React\Promise\Deferred;
+use React\Promise\UnhandledRejectionException;
+
+trait PromiseRejectedTestTrait
+{
+    /**
+     * @return \React\Promise\PromiseAdapter\PromiseAdapterInterface
+     */
+    abstract public function getPromiseTestAdapter(callable $canceller = null);
+
+    /** @test */
+    public function rejectedPromiseShouldBeImmutable()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->reject(1);
+        $adapter->reject(2);
+
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+    }
+
+    /** @test */
+    public function rejectedPromiseShouldInvokeNewlyAddedCallback()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->reject(1);
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $mock);
+    }
+
+    /** @test */
+    public function shouldForwardUndefinedRejectionValue()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with(null);
+
+        $adapter->reject(1);
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                function () {
+                    // Presence of rejection handler is enough to switch back
+                    // to resolve mode, even though it returns undefined.
+                    // The ONLY way to propagate a rejection is to re-throw or
+                    // return a rejected promise;
+                }
+            )
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function shouldSwitchFromErrbacksToCallbacksWhenErrbackDoesNotExplicitlyPropagate()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $adapter->reject(1);
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                function ($val) {
+                    return $val + 1;
+                }
+            )
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function shouldSwitchFromErrbacksToCallbacksWhenErrbackReturnsAResolution()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $adapter->reject(1);
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                function ($val) {
+                    return \React\Promise\resolve($val + 1);
+                }
+            )
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+    }
+
+    /** @test */
+    public function shouldPropagateRejectionsWhenErrbackThrows()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->will($this->throwException($exception));
+
+        $mock2 = $this->createCallableMock();
+        $mock2
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->reject(1);
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            )
+            ->then(
+                $this->expectCallableNever(),
+                $mock2
+            );
+    }
+
+    /** @test */
+    public function shouldPropagateRejectionsWhenErrbackReturnsARejection()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(2));
+
+        $adapter->reject(1);
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                function ($val) {
+                    return \React\Promise\reject($val + 1);
+                }
+            )
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+    }
+
+    /** @test */
+    public function doneShouldInvokeRejectionHandlerForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->reject(1);
+        $this->assertNull($adapter->promise()->done(null, $mock));
+    }
+
+    /** @test */
+    public function doneShouldThrowExceptionThrownByRejectionHandlerForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $adapter->reject(1);
+        $this->assertNull($adapter->promise()->done(null, function () {
+            throw new \Exception('UnhandledRejectionException');
+        }));
+    }
+
+    /** @test */
+    public function doneShouldThrowUnhandledRejectionExceptionWhenRejectedWithNonExceptionForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('React\\Promise\\UnhandledRejectionException');
+
+        $adapter->reject(1);
+        $this->assertNull($adapter->promise()->done());
+    }
+
+    /** @test */
+    public function unhandledRejectionExceptionThrownByDoneHoldsRejectionValue()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $expected = new \stdClass();
+
+        $adapter->reject($expected);
+
+        try {
+            $adapter->promise()->done();
+        } catch (UnhandledRejectionException $e) {
+            $this->assertSame($expected, $e->getReason());
+            return;
+        }
+
+        $this->fail();
+    }
+
+    /** @test */
+    public function doneShouldThrowUnhandledRejectionExceptionWhenRejectionHandlerRejectsForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('React\\Promise\\UnhandledRejectionException');
+
+        $adapter->reject(1);
+        $this->assertNull($adapter->promise()->done(null, function () {
+            return \React\Promise\reject();
+        }));
+    }
+
+    /** @test */
+    public function doneShouldThrowRejectionExceptionWhenRejectionHandlerRejectsWithExceptionForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $adapter->reject(1);
+        $this->assertNull($adapter->promise()->done(null, function () {
+            return \React\Promise\reject(new \Exception('UnhandledRejectionException'));
+        }));
+    }
+
+    /** @test */
+    public function doneShouldThrowExceptionProvidedAsRejectionValueForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $adapter->reject(new \Exception('UnhandledRejectionException'));
+        $this->assertNull($adapter->promise()->done());
+    }
+
+    /** @test */
+    public function doneShouldThrowWithDeepNestingPromiseChainsForRejectedPromise()
+    {
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $exception = new \Exception('UnhandledRejectionException');
+
+        $d = new Deferred();
+        $d->resolve();
+
+        $result = \React\Promise\resolve(\React\Promise\resolve($d->promise()->then(function () use ($exception) {
+            $d = new Deferred();
+            $d->resolve();
+
+            return \React\Promise\resolve($d->promise()->then(function () {}))->then(
+                function () use ($exception) {
+                    throw $exception;
+                }
+            );
+        })));
+
+        $result->done();
+    }
+
+    /** @test */
+    public function doneShouldRecoverWhenRejectionHandlerCatchesExceptionForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->reject(new \Exception('UnhandledRejectionException'));
+        $this->assertNull($adapter->promise()->done(null, function (\Exception $e) {
+
+        }));
+    }
+
+    /** @test */
+    public function otherwiseShouldInvokeRejectionHandlerForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->reject(1);
+        $adapter->promise()->otherwise($mock);
+    }
+
+    /** @test */
+    public function otherwiseShouldInvokeNonTypeHintedRejectionHandlerIfReasonIsAnExceptionForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->reject($exception);
+        $adapter->promise()
+            ->otherwise(function ($reason) use ($mock) {
+                $mock($reason);
+            });
+    }
+
+    /** @test */
+    public function otherwiseShouldInvokeRejectionHandlerIfReasonMatchesTypehintForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \InvalidArgumentException();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->reject($exception);
+        $adapter->promise()
+            ->otherwise(function (\InvalidArgumentException $reason) use ($mock) {
+                $mock($reason);
+            });
+    }
+
+    /** @test */
+    public function otherwiseShouldNotInvokeRejectionHandlerIfReaonsDoesNotMatchTypehintForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->expectCallableNever();
+
+        $adapter->reject($exception);
+        $adapter->promise()
+            ->otherwise(function (\InvalidArgumentException $reason) use ($mock) {
+                $mock($reason);
+            });
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressRejectionForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->reject($exception);
+        $adapter->promise()
+            ->always(function () {})
+            ->then(null, $mock);
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressRejectionWhenHandlerReturnsANonPromiseForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->reject($exception);
+        $adapter->promise()
+            ->always(function () {
+                return 1;
+            })
+            ->then(null, $mock);
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressRejectionWhenHandlerReturnsAPromiseForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->reject($exception);
+        $adapter->promise()
+            ->always(function () {
+                return \React\Promise\resolve(1);
+            })
+            ->then(null, $mock);
+    }
+
+    /** @test */
+    public function alwaysShouldRejectWhenHandlerThrowsForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception1 = new \Exception();
+        $exception2 = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception2));
+
+        $adapter->reject($exception1);
+        $adapter->promise()
+            ->always(function () use ($exception2) {
+                throw $exception2;
+            })
+            ->then(null, $mock);
+    }
+
+    /** @test */
+    public function alwaysShouldRejectWhenHandlerRejectsForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception1 = new \Exception();
+        $exception2 = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception2));
+
+        $adapter->reject($exception1);
+        $adapter->promise()
+            ->always(function () use ($exception2) {
+                return \React\Promise\reject($exception2);
+            })
+            ->then(null, $mock);
+    }
+
+    /** @test */
+    public function cancelShouldReturnNullForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->reject();
+
+        $this->assertNull($adapter->promise()->cancel());
+    }
+
+    /** @test */
+    public function cancelShouldHaveNoEffectForRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter($this->expectCallableNever());
+
+        $adapter->reject();
+
+        $adapter->promise()->cancel();
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest/PromiseSettledTestTrait.php b/assets/php/vendor/react/promise/tests/PromiseTest/PromiseSettledTestTrait.php
new file mode 100644
index 0000000..e363b6d
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest/PromiseSettledTestTrait.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace React\Promise\PromiseTest;
+
+trait PromiseSettledTestTrait
+{
+    /**
+     * @return \React\Promise\PromiseAdapter\PromiseAdapterInterface
+     */
+    abstract public function getPromiseTestAdapter(callable $canceller = null);
+
+    /** @test */
+    public function thenShouldReturnAPromiseForSettledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->settle();
+        $this->assertInstanceOf('React\\Promise\\PromiseInterface', $adapter->promise()->then());
+    }
+
+    /** @test */
+    public function thenShouldReturnAllowNullForSettledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->settle();
+        $this->assertInstanceOf('React\\Promise\\PromiseInterface', $adapter->promise()->then(null, null, null));
+    }
+
+    /** @test */
+    public function cancelShouldReturnNullForSettledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->settle();
+
+        $this->assertNull($adapter->promise()->cancel());
+    }
+
+    /** @test */
+    public function cancelShouldHaveNoEffectForSettledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter($this->expectCallableNever());
+
+        $adapter->settle();
+
+        $adapter->promise()->cancel();
+    }
+
+    /** @test */
+    public function doneShouldReturnNullForSettledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->settle();
+        $this->assertNull($adapter->promise()->done(null, function () {}));
+    }
+
+    /** @test */
+    public function doneShouldReturnAllowNullForSettledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->settle();
+        $this->assertNull($adapter->promise()->done(null, function () {}, null));
+    }
+
+    /** @test */
+    public function progressShouldNotInvokeProgressHandlerForSettledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->settle();
+        $adapter->promise()->progress($this->expectCallableNever());
+        $adapter->notify();
+    }
+
+    /** @test */
+    public function alwaysShouldReturnAPromiseForSettledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $adapter->settle();
+        $this->assertInstanceOf('React\\Promise\\PromiseInterface', $adapter->promise()->always(function () {}));
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest/RejectTestTrait.php b/assets/php/vendor/react/promise/tests/PromiseTest/RejectTestTrait.php
new file mode 100644
index 0000000..063f178
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest/RejectTestTrait.php
@@ -0,0 +1,368 @@
+<?php
+
+namespace React\Promise\PromiseTest;
+
+use React\Promise;
+use React\Promise\Deferred;
+
+trait RejectTestTrait
+{
+    /**
+     * @return \React\Promise\PromiseAdapter\PromiseAdapterInterface
+     */
+    abstract public function getPromiseTestAdapter(callable $canceller = null);
+
+    /** @test */
+    public function rejectShouldRejectWithAnImmediateValue()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $mock);
+
+        $adapter->reject(1);
+    }
+
+    /** @test */
+    public function rejectShouldRejectWithFulfilledPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $mock);
+
+        $adapter->reject(Promise\resolve(1));
+    }
+
+    /** @test */
+    public function rejectShouldRejectWithRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $mock);
+
+        $adapter->reject(Promise\reject(1));
+    }
+
+    /** @test */
+    public function rejectShouldForwardReasonWhenCallbackIsNull()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever()
+            )
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+
+        $adapter->reject(1);
+    }
+
+    /** @test */
+    public function rejectShouldMakePromiseImmutable()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then(null, function ($value) use ($adapter) {
+                $adapter->reject(3);
+
+                return Promise\reject($value);
+            })
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+
+        $adapter->reject(1);
+        $adapter->reject(2);
+    }
+
+    /** @test */
+    public function notifyShouldInvokeOtherwiseHandler()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->otherwise($mock);
+
+        $adapter->reject(1);
+    }
+
+    /** @test */
+    public function doneShouldInvokeRejectionHandler()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $this->assertNull($adapter->promise()->done(null, $mock));
+        $adapter->reject(1);
+    }
+
+    /** @test */
+    public function doneShouldThrowExceptionThrownByRejectionHandler()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $this->assertNull($adapter->promise()->done(null, function () {
+            throw new \Exception('UnhandledRejectionException');
+        }));
+        $adapter->reject(1);
+    }
+
+    /** @test */
+    public function doneShouldThrowUnhandledRejectionExceptionWhenRejectedWithNonException()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('React\\Promise\\UnhandledRejectionException');
+
+        $this->assertNull($adapter->promise()->done());
+        $adapter->reject(1);
+    }
+
+    /** @test */
+    public function doneShouldThrowUnhandledRejectionExceptionWhenRejectionHandlerRejects()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('React\\Promise\\UnhandledRejectionException');
+
+        $this->assertNull($adapter->promise()->done(null, function () {
+            return \React\Promise\reject();
+        }));
+        $adapter->reject(1);
+    }
+
+    /** @test */
+    public function doneShouldThrowRejectionExceptionWhenRejectionHandlerRejectsWithException()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $this->assertNull($adapter->promise()->done(null, function () {
+            return \React\Promise\reject(new \Exception('UnhandledRejectionException'));
+        }));
+        $adapter->reject(1);
+    }
+
+    /** @test */
+    public function doneShouldThrowUnhandledRejectionExceptionWhenRejectionHandlerRetunsPendingPromiseWhichRejectsLater()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('React\\Promise\\UnhandledRejectionException');
+
+        $d = new Deferred();
+        $promise = $d->promise();
+
+        $this->assertNull($adapter->promise()->done(null, function () use ($promise) {
+            return $promise;
+        }));
+        $adapter->reject(1);
+        $d->reject(1);
+    }
+
+    /** @test */
+    public function doneShouldThrowExceptionProvidedAsRejectionValue()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $this->assertNull($adapter->promise()->done());
+        $adapter->reject(new \Exception('UnhandledRejectionException'));
+    }
+
+    /** @test */
+    public function doneShouldThrowWithDeepNestingPromiseChains()
+    {
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $exception = new \Exception('UnhandledRejectionException');
+
+        $d = new Deferred();
+
+        $result = \React\Promise\resolve(\React\Promise\resolve($d->promise()->then(function () use ($exception) {
+            $d = new Deferred();
+            $d->resolve();
+
+            return \React\Promise\resolve($d->promise()->then(function () {}))->then(
+                function () use ($exception) {
+                    throw $exception;
+                }
+            );
+        })));
+
+        $result->done();
+
+        $d->resolve();
+    }
+
+    /** @test */
+    public function doneShouldRecoverWhenRejectionHandlerCatchesException()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->assertNull($adapter->promise()->done(null, function (\Exception $e) {
+
+        }));
+        $adapter->reject(new \Exception('UnhandledRejectionException'));
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressRejection()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->promise()
+            ->always(function () {})
+            ->then(null, $mock);
+
+        $adapter->reject($exception);
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressRejectionWhenHandlerReturnsANonPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->promise()
+            ->always(function () {
+                return 1;
+            })
+            ->then(null, $mock);
+
+        $adapter->reject($exception);
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressRejectionWhenHandlerReturnsAPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->promise()
+            ->always(function () {
+                return \React\Promise\resolve(1);
+            })
+            ->then(null, $mock);
+
+        $adapter->reject($exception);
+    }
+
+    /** @test */
+    public function alwaysShouldRejectWhenHandlerThrowsForRejection()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->promise()
+            ->always(function () use ($exception) {
+                throw $exception;
+            })
+            ->then(null, $mock);
+
+        $adapter->reject($exception);
+    }
+
+    /** @test */
+    public function alwaysShouldRejectWhenHandlerRejectsForRejection()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->promise()
+            ->always(function () use ($exception) {
+                return \React\Promise\reject($exception);
+            })
+            ->then(null, $mock);
+
+        $adapter->reject($exception);
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/PromiseTest/ResolveTestTrait.php b/assets/php/vendor/react/promise/tests/PromiseTest/ResolveTestTrait.php
new file mode 100644
index 0000000..0736d35
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/PromiseTest/ResolveTestTrait.php
@@ -0,0 +1,312 @@
+<?php
+
+namespace React\Promise\PromiseTest;
+
+use React\Promise;
+
+trait ResolveTestTrait
+{
+    /**
+     * @return \React\Promise\PromiseAdapter\PromiseAdapterInterface
+     */
+    abstract public function getPromiseTestAdapter(callable $canceller = null);
+
+    /** @test */
+    public function resolveShouldResolve()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($mock);
+
+        $adapter->resolve(1);
+    }
+
+    /** @test */
+    public function resolveShouldResolveWithPromisedValue()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($mock);
+
+        $adapter->resolve(Promise\resolve(1));
+    }
+
+    /** @test */
+    public function resolveShouldRejectWhenResolvedWithRejectedPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then($this->expectCallableNever(), $mock);
+
+        $adapter->resolve(Promise\reject(1));
+    }
+
+    /** @test */
+    public function resolveShouldForwardValueWhenCallbackIsNull()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then(
+                null,
+                $this->expectCallableNever()
+            )
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+
+        $adapter->resolve(1);
+    }
+
+    /** @test */
+    public function resolveShouldMakePromiseImmutable()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $adapter->promise()
+            ->then(function ($value) use ($adapter) {
+                $adapter->resolve(3);
+
+                return $value;
+            })
+            ->then(
+                $mock,
+                $this->expectCallableNever()
+            );
+
+        $adapter->resolve(1);
+        $adapter->resolve(2);
+    }
+
+    /**
+     * @test
+     */
+    public function resolveShouldRejectWhenResolvedWithItself()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with(new \LogicException('Cannot resolve a promise with itself.'));
+
+        $adapter->promise()
+            ->then(
+                $this->expectCallableNever(),
+                $mock
+            );
+
+        $adapter->resolve($adapter->promise());
+    }
+
+    /**
+     * @test
+     */
+    public function resolveShouldRejectWhenResolvedWithAPromiseWhichFollowsItself()
+    {
+        $adapter1 = $this->getPromiseTestAdapter();
+        $adapter2 = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with(new \LogicException('Cannot resolve a promise with itself.'));
+
+        $promise1 = $adapter1->promise();
+
+        $promise2 = $adapter2->promise();
+
+        $promise2->then(
+            $this->expectCallableNever(),
+            $mock
+        );
+
+        $adapter1->resolve($promise2);
+        $adapter2->resolve($promise1);
+    }
+
+    /** @test */
+    public function doneShouldInvokeFulfillmentHandler()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo(1));
+
+        $this->assertNull($adapter->promise()->done($mock));
+        $adapter->resolve(1);
+    }
+
+    /** @test */
+    public function doneShouldThrowExceptionThrownFulfillmentHandler()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('\Exception', 'UnhandledRejectionException');
+
+        $this->assertNull($adapter->promise()->done(function () {
+            throw new \Exception('UnhandledRejectionException');
+        }));
+        $adapter->resolve(1);
+    }
+
+    /** @test */
+    public function doneShouldThrowUnhandledRejectionExceptionWhenFulfillmentHandlerRejects()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $this->setExpectedException('React\\Promise\\UnhandledRejectionException');
+
+        $this->assertNull($adapter->promise()->done(function () {
+            return \React\Promise\reject();
+        }));
+        $adapter->resolve(1);
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressValue()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $value = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($value));
+
+        $adapter->promise()
+            ->always(function () {})
+            ->then($mock);
+
+        $adapter->resolve($value);
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressValueWhenHandlerReturnsANonPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $value = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($value));
+
+        $adapter->promise()
+            ->always(function () {
+                return 1;
+            })
+            ->then($mock);
+
+        $adapter->resolve($value);
+    }
+
+    /** @test */
+    public function alwaysShouldNotSuppressValueWhenHandlerReturnsAPromise()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $value = new \stdClass();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($value));
+
+        $adapter->promise()
+            ->always(function () {
+                return \React\Promise\resolve(1);
+            })
+            ->then($mock);
+
+        $adapter->resolve($value);
+    }
+
+    /** @test */
+    public function alwaysShouldRejectWhenHandlerThrowsForFulfillment()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->promise()
+            ->always(function () use ($exception) {
+                throw $exception;
+            })
+            ->then(null, $mock);
+
+        $adapter->resolve(1);
+    }
+
+    /** @test */
+    public function alwaysShouldRejectWhenHandlerRejectsForFulfillment()
+    {
+        $adapter = $this->getPromiseTestAdapter();
+
+        $exception = new \Exception();
+
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke')
+            ->with($this->identicalTo($exception));
+
+        $adapter->promise()
+            ->always(function () use ($exception) {
+                return \React\Promise\reject($exception);
+            })
+            ->then(null, $mock);
+
+        $adapter->resolve(1);
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/RejectedPromiseTest.php b/assets/php/vendor/react/promise/tests/RejectedPromiseTest.php
new file mode 100644
index 0000000..c886b00
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/RejectedPromiseTest.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace React\Promise;
+
+use React\Promise\PromiseAdapter\CallbackPromiseAdapter;
+
+class RejectedPromiseTest extends TestCase
+{
+    use PromiseTest\PromiseSettledTestTrait,
+        PromiseTest\PromiseRejectedTestTrait;
+
+    public function getPromiseTestAdapter(callable $canceller = null)
+    {
+        $promise = null;
+
+        return new CallbackPromiseAdapter([
+            'promise' => function () use (&$promise) {
+                if (!$promise) {
+                    throw new \LogicException('RejectedPromise must be rejected before obtaining the promise');
+                }
+
+                return $promise;
+            },
+            'resolve' => function () {
+                throw new \LogicException('You cannot call resolve() for React\Promise\RejectedPromise');
+            },
+            'reject' => function ($reason = null) use (&$promise) {
+                if (!$promise) {
+                    $promise = new RejectedPromise($reason);
+                }
+            },
+            'notify' => function () {
+                // no-op
+            },
+            'settle' => function ($reason = null) use (&$promise) {
+                if (!$promise) {
+                    $promise = new RejectedPromise($reason);
+                }
+            },
+        ]);
+    }
+
+    /** @test */
+    public function shouldThrowExceptionIfConstructedWithAPromise()
+    {
+        $this->setExpectedException('\InvalidArgumentException');
+
+        return new RejectedPromise(new RejectedPromise());
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/Stub/CallableStub.php b/assets/php/vendor/react/promise/tests/Stub/CallableStub.php
new file mode 100644
index 0000000..0120893
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/Stub/CallableStub.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace React\Promise\Stub;
+
+class CallableStub
+{
+    public function __invoke()
+    {
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/TestCase.php b/assets/php/vendor/react/promise/tests/TestCase.php
new file mode 100644
index 0000000..c9274f4
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/TestCase.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace React\Promise;
+
+class TestCase extends \PHPUnit_Framework_TestCase
+{
+    public function expectCallableExactly($amount)
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->exactly($amount))
+            ->method('__invoke');
+
+        return $mock;
+    }
+
+    public function expectCallableOnce()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->once())
+            ->method('__invoke');
+
+        return $mock;
+    }
+
+    public function expectCallableNever()
+    {
+        $mock = $this->createCallableMock();
+        $mock
+            ->expects($this->never())
+            ->method('__invoke');
+
+        return $mock;
+    }
+
+    public function createCallableMock()
+    {
+        return $this
+            ->getMockBuilder('React\\Promise\Stub\CallableStub')
+            ->getMock();
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/bootstrap.php b/assets/php/vendor/react/promise/tests/bootstrap.php
new file mode 100644
index 0000000..9b7f872
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/bootstrap.php
@@ -0,0 +1,7 @@
+<?php
+
+$loader = @include __DIR__.'/../vendor/autoload.php';
+if (!$loader) {
+    $loader = require __DIR__.'/../../../../vendor/autoload.php';
+}
+$loader->addPsr4('React\\Promise\\', __DIR__);
diff --git a/assets/php/vendor/react/promise/tests/fixtures/SimpleFulfilledTestPromise.php b/assets/php/vendor/react/promise/tests/fixtures/SimpleFulfilledTestPromise.php
new file mode 100644
index 0000000..ef4d530
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/fixtures/SimpleFulfilledTestPromise.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace React\Promise;
+
+class SimpleFulfilledTestPromise implements PromiseInterface
+{
+    public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        try {
+            if ($onFulfilled) {
+                $onFulfilled('foo');
+            }
+
+            return new self();
+        } catch (\Throwable $exception) {
+            return new RejectedPromise($exception);
+        } catch (\Exception $exception) {
+            return new RejectedPromise($exception);
+        }
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/fixtures/SimpleFulfilledTestThenable.php b/assets/php/vendor/react/promise/tests/fixtures/SimpleFulfilledTestThenable.php
new file mode 100644
index 0000000..3f66f63
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/fixtures/SimpleFulfilledTestThenable.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace React\Promise;
+
+class SimpleFulfilledTestThenable
+{
+    public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        try {
+            if ($onFulfilled) {
+                $onFulfilled('foo');
+            }
+
+            return new self();
+        } catch (\Throwable $exception) {
+            return new RejectedPromise($exception);
+        } catch (\Exception $exception) {
+            return new RejectedPromise($exception);
+        }
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/fixtures/SimpleRejectedTestPromise.php b/assets/php/vendor/react/promise/tests/fixtures/SimpleRejectedTestPromise.php
new file mode 100644
index 0000000..b30a226
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/fixtures/SimpleRejectedTestPromise.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace React\Promise;
+
+class SimpleRejectedTestPromise implements PromiseInterface
+{
+    public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        try {
+            if ($onRejected) {
+                $onRejected('foo');
+            }
+
+            return new self();
+        } catch (\Throwable $exception) {
+            return new RejectedPromise($exception);
+        } catch (\Exception $exception) {
+            return new RejectedPromise($exception);
+        }
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/fixtures/SimpleTestCancellable.php b/assets/php/vendor/react/promise/tests/fixtures/SimpleTestCancellable.php
new file mode 100644
index 0000000..f232a68
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/fixtures/SimpleTestCancellable.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace React\Promise;
+
+class SimpleTestCancellable
+{
+    public $cancelCalled = false;
+
+    public function cancel()
+    {
+        $this->cancelCalled = true;
+    }
+}
diff --git a/assets/php/vendor/react/promise/tests/fixtures/SimpleTestCancellableThenable.php b/assets/php/vendor/react/promise/tests/fixtures/SimpleTestCancellableThenable.php
new file mode 100644
index 0000000..c0f1593
--- /dev/null
+++ b/assets/php/vendor/react/promise/tests/fixtures/SimpleTestCancellableThenable.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace React\Promise;
+
+class SimpleTestCancellableThenable
+{
+    public $cancelCalled = false;
+
+    public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        return new self();
+    }
+
+    public function cancel()
+    {
+        $this->cancelCalled = true;
+    }
+}