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