init

vendor/react/promise/tests/CancellationQueueTest.php

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+<?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);
+    }
+}