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<!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 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>
|
