| <!DOCTYPE html> |
| <html> |
| <!-- |
| Copyright 2012 The Closure Library Authors. All Rights Reserved. |
| |
| Use of this source code is governed by the Apache License, Version 2.0. |
| See the COPYING file for details. |
| --> |
| <head> |
| <title>Closure Unit Tests - goog.result.transform</title> |
| <script src="../base.js"></script> |
| <script> |
| |
| goog.require('goog.Timer'); |
| goog.require('goog.result.SimpleResult'); |
| goog.require('goog.result'); |
| goog.require('goog.testing.MockClock'); |
| goog.require('goog.testing.jsunit'); |
| goog.require('goog.testing.recordFunction'); |
| |
| </script> |
| </head> |
| <body> |
| <script> |
| |
| var result, resultCallback, multiplyResult, mockClock; |
| |
| function setUpPage() { |
| mockClock = new goog.testing.MockClock(); |
| mockClock.install(); |
| } |
| |
| function setUp() { |
| mockClock.reset(); |
| result = new goog.result.SimpleResult(); |
| resultCallback = new goog.testing.recordFunction(); |
| multiplyResult = goog.testing.recordFunction(function(value) { |
| return value * 2; |
| }); |
| } |
| |
| function tearDown() { |
| result = multiplyResult = null; |
| } |
| |
| function tearDownPage() { |
| mockClock.uninstall(); |
| goog.dispose(mockClock); |
| } |
| |
| function testTransformWhenResultSuccess() { |
| var transformedResult = goog.result.transform(result, multiplyResult); |
| goog.result.wait(transformedResult, resultCallback); |
| |
| assertEquals(goog.result.Result.State.PENDING, result.getState()); |
| result.setValue(1); |
| assertTransformerCall(multiplyResult, 1); |
| assertSuccessCall(resultCallback, transformedResult, 2); |
| } |
| |
| function testTransformWhenResultSuccessAsync() { |
| var transformedResult = goog.result.transform(result, multiplyResult); |
| goog.result.wait(transformedResult, resultCallback); |
| |
| goog.Timer.callOnce(function() { |
| result.setValue(1); |
| }); |
| |
| assertEquals(goog.result.Result.State.PENDING, result.getState()); |
| mockClock.tick(); |
| assertTransformerCall(multiplyResult, 1); |
| assertSuccessCall(resultCallback, transformedResult, 2); |
| } |
| |
| function testTransformWhenResultError() { |
| var transformedResult = goog.result.transform(result, multiplyResult); |
| goog.result.wait(transformedResult, resultCallback); |
| |
| assertEquals(goog.result.Result.State.PENDING, result.getState()); |
| result.setError(4); |
| assertNoCall(multiplyResult); |
| assertErrorCall(resultCallback, transformedResult, 4); |
| } |
| |
| function testTransformWhenResultErrorAsync() { |
| var transformedResult = goog.result.transform(result, multiplyResult); |
| |
| goog.result.wait(transformedResult, resultCallback); |
| |
| goog.Timer.callOnce(function() { |
| result.setError(5); |
| }); |
| |
| assertEquals(goog.result.Result.State.PENDING, result.getState()); |
| mockClock.tick(); |
| assertNoCall(multiplyResult); |
| assertErrorCall(resultCallback, transformedResult, 5); |
| } |
| |
| function testCancelParentResults() { |
| var transformedResult = goog.result.transform(result, multiplyResult); |
| goog.result.wait(transformedResult, resultCallback); |
| |
| goog.result.cancelParentResults(transformedResult); |
| |
| assertTrue(result.isCanceled()); |
| result.setValue(1); |
| assertNoCall(multiplyResult); |
| } |
| |
| function testDoubleTransformCancel() { |
| var step1Result = goog.result.transform(result, multiplyResult); |
| var step2Result = goog.result.transform(step1Result, multiplyResult); |
| |
| goog.result.cancelParentResults(step2Result); |
| |
| assertFalse(result.isCanceled()); |
| assertTrue(step1Result.isCanceled()); |
| assertTrue(step2Result.isCanceled()); |
| } |
| |
| function assertSuccessCall(recordFunction, result, value) { |
| assertEquals(1, recordFunction.getCallCount()); |
| |
| var res = recordFunction.popLastCall().getArgument(0); |
| assertEquals(result, res); |
| assertEquals(goog.result.Result.State.SUCCESS, res.getState()); |
| assertEquals(value, res.getValue()); |
| } |
| |
| function assertErrorCall(recordFunction, result, value) { |
| assertEquals(1, recordFunction.getCallCount()); |
| |
| var res = recordFunction.popLastCall().getArgument(0); |
| assertEquals(result, res); |
| assertEquals(goog.result.Result.State.ERROR, res.getState()); |
| assertEquals(value, res.getError()); |
| } |
| |
| function assertNoCall(recordFunction) { |
| assertEquals(0, recordFunction.getCallCount()); |
| } |
| |
| function assertTransformerCall(recordFunction, value) { |
| assertEquals(1, recordFunction.getCallCount()); |
| |
| var argValue = recordFunction.popLastCall().getArgument(0); |
| assertEquals(value, argValue); |
| } |
| |
| </script> |
| </body> |
| </html> |
