| // Copyright 2013 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| goog.provide('goog.async.runTest'); |
| |
| goog.require('goog.async.run'); |
| goog.require('goog.testing.MockClock'); |
| goog.require('goog.testing.jsunit'); |
| goog.require('goog.testing.recordFunction'); |
| |
| goog.setTestOnly('goog.async.runTest'); |
| |
| |
| var mockClock; |
| var futureCallback1, futureCallback2; |
| |
| function setUpPage() { |
| mockClock = new goog.testing.MockClock(); |
| mockClock.install(); |
| } |
| |
| function setUp() { |
| mockClock.reset(); |
| futureCallback1 = new goog.testing.recordFunction(); |
| futureCallback2 = new goog.testing.recordFunction(); |
| } |
| |
| function tearDown() { |
| futureCallback1 = null; |
| futureCallback2 = null; |
| } |
| |
| function tearDownPage() { |
| mockClock.uninstall(); |
| goog.dispose(mockClock); |
| } |
| |
| function testCalledAsync() { |
| goog.async.run(futureCallback1); |
| goog.async.run(futureCallback2); |
| |
| assertEquals(0, futureCallback1.getCallCount()); |
| assertEquals(0, futureCallback2.getCallCount()); |
| |
| // but the callbacks are scheduled... |
| mockClock.tick(); |
| |
| // and called. |
| assertEquals(1, futureCallback1.getCallCount()); |
| assertEquals(1, futureCallback2.getCallCount()); |
| |
| // and aren't called a second time. |
| assertEquals(1, futureCallback1.getCallCount()); |
| assertEquals(1, futureCallback2.getCallCount()); |
| } |
| |
| function testSequenceCalledInOrder() { |
| futureCallback1 = new goog.testing.recordFunction( |
| function() { |
| // called before futureCallback2 |
| assertEquals(0, futureCallback2.getCallCount()); |
| }); |
| futureCallback2 = new goog.testing.recordFunction( |
| function() { |
| // called after futureCallback1 |
| assertEquals(1, futureCallback1.getCallCount()); |
| }); |
| goog.async.run(futureCallback1); |
| goog.async.run(futureCallback2); |
| |
| // goog.async.run doesn't call the top callback immediately. |
| assertEquals(0, futureCallback1.getCallCount()); |
| |
| // but the callbacks are scheduled... |
| mockClock.tick(); |
| |
| // and called during the same "tick". |
| assertEquals(1, futureCallback1.getCallCount()); |
| assertEquals(1, futureCallback2.getCallCount()); |
| } |
| |
| function testSequenceScheduledTwice() { |
| goog.async.run(futureCallback1); |
| goog.async.run(futureCallback1); |
| |
| // goog.async.run doesn't call the top callback immediately. |
| assertEquals(0, futureCallback1.getCallCount()); |
| |
| // but the callbacks are scheduled... |
| mockClock.tick(); |
| |
| // and called twice during the same "tick". |
| assertEquals(2, futureCallback1.getCallCount()); |
| } |
| |
| function testSequenceCalledSync() { |
| futureCallback1 = new goog.testing.recordFunction( |
| function() { |
| goog.async.run(futureCallback2); |
| // goog.async.run doesn't call the inner callback immediately. |
| assertEquals(0, futureCallback2.getCallCount()); |
| }); |
| goog.async.run(futureCallback1); |
| |
| // goog.async.run doesn't call the top callback immediately. |
| assertEquals(0, futureCallback1.getCallCount()); |
| |
| // but the callbacks are scheduled... |
| mockClock.tick(); |
| |
| // and called during the same "tick". |
| assertEquals(1, futureCallback1.getCallCount()); |
| assertEquals(1, futureCallback2.getCallCount()); |
| } |
| |
| function testScope() { |
| var aScope = {}; |
| goog.async.run(futureCallback1); |
| goog.async.run(futureCallback2, aScope); |
| |
| // the callbacks are scheduled... |
| mockClock.tick(); |
| |
| // and called. |
| assertEquals(1, futureCallback1.getCallCount()); |
| assertEquals(1, futureCallback2.getCallCount()); |
| |
| // and get the correct scope. |
| var last1 = futureCallback1.popLastCall(); |
| assertEquals(0, last1.getArguments().length); |
| assertEquals(goog.global, last1.getThis()); |
| |
| var last2 = futureCallback2.popLastCall(); |
| assertEquals(0, last2.getArguments().length); |
| assertEquals(aScope, last2.getThis()); |
| } |