init

vendor/react/promise/tests/PromiseTest/CancelTestTrait.php

@@ -0,0 +1,246 @@
+<?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()
+    {
+        $args = null;
+        $adapter = $this->getPromiseTestAdapter(function ($resolve, $reject, $notify) use (&$args) {
+            $args = func_get_args();
+        });
+
+        $adapter->promise()->cancel();
+
+        $this->assertCount(3, $args);
+        $this->assertTrue(is_callable($args[0]));
+        $this->assertTrue(is_callable($args[1]));
+        $this->assertTrue(is_callable($args[2]));
+    }
+
+    /** @test */
+    public function cancelShouldCallCancellerWithoutArgumentsIfNotAccessed()
+    {
+        $args = null;
+        $adapter = $this->getPromiseTestAdapter(function () use (&$args) {
+            $args = func_num_args();
+        });
+
+        $adapter->promise()->cancel();
+
+        $this->assertSame(0, $args);
+    }
+
+    /** @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();
+    }
+}

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;
+}

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);
+    }
+}

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);
+    }
+}

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 () {}));
+    }
+}

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();
+    }
+}

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 () {}));
+    }
+}

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);
+    }
+}

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);
+    }
+}