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|
<!DOCTYPE html>
<html>
<!--
Copyright 2011 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>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.labs.net.xhr</title>
<script src="../../base.js"></script>
<script>
goog.require('goog.labs.net.xhr');
goog.require('goog.result');
goog.require('goog.string');
goog.require('goog.testing.AsyncTestCase');
goog.require('goog.testing.MockClock');
goog.require('goog.testing.jsunit');
goog.require('goog.userAgent');
</script>
</head>
<body>
<script>
function setupStubXMLHttpRequest() {
mockClock = new goog.testing.MockClock(true);
var stubXhr = {
sent: false,
aborted: false,
status: 0,
headers: {},
open: function(method, url, async) {
this.method = method;
this.url = url;
this.async = async;
},
setRequestHeader: function(key, value) {
this.headers[key] = value;
},
overrideMimeType: function(mimeType) {
this.mimeType = mimeType;
},
abort: function() {
this.aborted = true;
this.load(0);
},
send: function(data) {
this.data = data;
this.sent = true;
},
load: function(status) {
this.status = status;
this.readyState = 4;
if (this.onreadystatechange) this.onreadystatechange();
}
};
goog.net.XmlHttp = function() {
return stubXhr;
};
for (var x in originalXmlHttp) {
goog.net.XmlHttp[x] = originalXmlHttp[x];
}
return stubXhr;
}
var xhr = goog.labs.net.xhr;
var originalXmlHttp = goog.net.XmlHttp;
var mockClock;
var testCase = new goog.testing.AsyncTestCase(document.title);
testCase.stepTimeout = 5 * 1000;
testCase.setUpPage = function() {
this.autoDiscoverTests();
};
testCase.tearDown = function() {
if (mockClock) {
mockClock.dispose();
mockClock = null;
}
goog.net.XmlHttp = originalXmlHttp;
};
G_testRunner.initialize(testCase);
// Many tests don't work on the local file system due to cross-origin
// restrictions in Chrome without --allow-file-access-from-files.
// They will run on the farm or on a Closure Test server.
var shouldRunLocally = goog.userAgent.IE || goog.userAgent.GECKO ||
goog.string.startsWith(document.location.href, 'file://');
function testSimpleRequest() {
if (shouldRunLocally) return;
testCase.waitForAsync('simpleRequest');
var result = xhr.send('GET', 'testdata/xhr_test_text.data');
goog.result.waitOnSuccess(result,
function(xhr) {
assertEquals('Just some data.', xhr.responseText);
assertEquals(200, xhr.status);
testCase.continueTesting();
});
goog.result.waitOnError(result, fail);
}
function testGetText() {
if (shouldRunLocally) return;
testCase.waitForAsync('getText');
var result = xhr.get('testdata/xhr_test_text.data');
goog.result.waitOnSuccess(result, function(content) {
assertEquals('Just some data.', content);
testCase.continueTesting();
});
goog.result.waitOnError(result, fail);
}
function testGetTextWithJson() {
if (shouldRunLocally) return;
testCase.waitForAsync('getTextWithJson');
var result = xhr.get('testdata/xhr_test_json.data');
goog.result.waitOnSuccess(result, function(content) {
assertEquals('while(1);\n{"stat":"ok","count":12345}\n', content);
testCase.continueTesting();
});
goog.result.waitOnError(result, fail);
}
function testPostText() {
if (shouldRunLocally) return;
testCase.waitForAsync('postText');
var result = xhr.post('testdata/xhr_test_text.data', 'post-data');
goog.result.waitOnSuccess(result, function(content) {
// No good way to test post-data gets transported.
assertEquals('Just some data.', content);
testCase.continueTesting();
});
goog.result.waitOnError(result, fail);
}
function testGetJson() {
if (shouldRunLocally) return;
testCase.waitForAsync('getJson');
xhr.getJson('testdata/xhr_test_json.data', {xssiPrefix: 'while(1);\n'}).
addCallback(function(content) {
assertEquals('ok', content['stat']);
assertEquals(12345, content['count']);
testCase.continueTesting();
}).
addErrback(fail);
}
function testSerialRequests() {
if (shouldRunLocally) return;
var result = xhr.get('testdata/xhr_test_text.data');
var chainedResult = goog.result.chain(result, function(result) {
return xhr.getJson(
'testdata/xhr_test_json.data', {xssiPrefix: 'while(1);\n'});
});
// Data that comes through to callbacks should be from the 2nd request.
goog.result.waitOnSuccess(chainedResult, function(json) {
assertEquals('ok', json['stat']);
assertEquals(12345, json['count']);
testCase.continueTesting();
});
goog.result.waitOnError(chainedResult, fail);
}
function testParallelRequest() {
if (shouldRunLocally) return;
var textData, jsonData;
function loadText(response) {
textData = response;
}
function loadJson(response) {
jsonData = response;
}
var fetchTextResult = xhr.get('testdata/xhr_test_text.data');
var textDataResult = goog.result.transform(fetchTextResult, loadText);
var fetchJsonResult = xhr.getJson('testdata/xhr_test_json.data',
{xssiPrefix: 'while(1);\n'});
var jsonDataResult = goog.result.transform(fetchJsonResult, loadJson);
var combinedResult = goog.result.combine(textDataResult,
jsonDataResult);
goog.result.waitOnSuccess(combinedResult, function() {
assertEquals('Just some data.', textData);
assertEquals('ok', jsonData['stat']);
testCase.continueTesting();
});
goog.result.waitOnError(combinedResult, fail);
}
function testBadUrlDetectedAsError() {
if (shouldRunLocally) return;
testCase.waitForAsync('badUrl');
var result = xhr.getJson('unknown-file.dat');
goog.result.waitOnSuccess(result, fail);
goog.result.waitOnError(result, function(result) {
var err = result.getError();
assertTrue('Error should be an HTTP error',
err instanceof xhr.HttpError);
assertEquals(404, err.status);
assertNotNull(err.xhr);
testCase.continueTesting();
});
}
function testBadOriginTriggersOnErrorHandler() {
testCase.waitForAsync('badOrigin');
var result = xhr.get('http://www.google.com');
goog.result.waitOnSuccess(result, fail);
goog.result.waitOnError(result, function(result) {
var err = result.getError();
// In IE this will be a goog.labs.net.xhr.Error since it is thrown
// when calling xhr.open(), other browsers will raise an HttpError.
assertTrue('Error should be an xhr error',
err instanceof xhr.Error);
assertNotNull(err.xhr);
testCase.continueTesting();
});
}
function testAbortRequest() {
if (shouldRunLocally) return;
var err;
var result = xhr.send('GET', 'test-url', null);
goog.result.waitOnSuccess(result, fail);
goog.result.waitOnError(result, function(result) {
err = result.getError();
});
result.cancel();
assertTrue(err instanceof goog.result.Result.CancelError);
}
//============================================================================
// The following tests are synchronous and use a stubbed out XMLHttpRequest.
//============================================================================
function testSendNoOptions() {
var stubXhr = setupStubXMLHttpRequest();
var called = false;
var result = xhr.send('GET', 'test-url', null);
goog.result.waitOnSuccess(result, function(xhr) {
called = true;
assertEquals('Objects should be equal', xhr, stubXhr);
});
goog.result.waitOnError(result, fail);
assertTrue('XHR should have been sent', stubXhr.sent);
assertFalse('Callback should not yet have been called', called);
stubXhr.load(200);
assertTrue('Callback should have been called', called);
assertEquals('GET', stubXhr.method);
assertEquals('test-url', stubXhr.url);
}
function testSendPostSetsDefaultHeader() {
var stubXhr = setupStubXMLHttpRequest();
var result = xhr.send('POST', 'test-url', null);
goog.result.waitOnError(result, fail);
stubXhr.load(200);
assertEquals('POST', stubXhr.method);
assertEquals('test-url', stubXhr.url);
assertEquals('application/x-www-form-urlencoded;charset=utf-8',
stubXhr.headers['Content-Type']);
}
function testSendPostHeaders() {
var stubXhr = setupStubXMLHttpRequest();
var result = xhr.send('POST', 'test-url', null, {
headers: {'Content-Type': 'text/plain', 'X-Made-Up': 'FooBar'}
});
goog.result.waitOnError(result, fail);
stubXhr.load(200);
assertEquals('POST', stubXhr.method);
assertEquals('test-url', stubXhr.url);
assertEquals('text/plain', stubXhr.headers['Content-Type']);
assertEquals('FooBar', stubXhr.headers['X-Made-Up']);
}
function testSendWithCredentials() {
var stubXhr = setupStubXMLHttpRequest();
var result = xhr.send('POST', 'test-url', null, {withCredentials: true});
goog.result.waitOnError(result, fail);
stubXhr.load(200);
assertTrue('XHR should have been sent', stubXhr.sent);
assertTrue(stubXhr.withCredentials);
}
function testSendWithMimeType() {
var stubXhr = setupStubXMLHttpRequest();
var result = xhr.send('POST', 'test-url', null, {mimeType: 'text/plain'});
goog.result.waitOnError(result, fail);
stubXhr.load(200);
assertTrue('XHR should have been sent', stubXhr.sent);
assertEquals('text/plain', stubXhr.mimeType);
}
function testSendWithHttpError() {
var stubXhr = setupStubXMLHttpRequest();
var err;
var result = xhr.send('POST', 'test-url', null);
goog.result.waitOnSuccess(result, fail);
goog.result.waitOnError(result, function(result) {
err = result.getError();
});
stubXhr.load(500);
assertTrue('XHR should have been sent', stubXhr.sent);
assertTrue(err instanceof xhr.HttpError);
assertEquals(500, err.status);
}
function testSendWithTimeoutNotHit() {
// TODO(user): This test fails in safari if it is run as part of a batch
// but passes when run on its own. Something strange is going on to do
// with the references to window.clearTimeout inside onreadystatechange and
// the mockclock overrides.
if (goog.userAgent.SAFARI) return;
var stubXhr = setupStubXMLHttpRequest();
var err;
var result = xhr.send('POST', 'test-url', null, {timeoutMs: 1500});
goog.result.waitOnError(result, fail);
assertTrue(mockClock.getTimeoutsMade() > 0);
mockClock.tick(1400);
stubXhr.load(200);
mockClock.tick(200);
assertTrue('XHR should have been sent', stubXhr.sent);
assertFalse('XHR should not have been aborted', stubXhr.aborted);
}
function testSendWithTimeoutHit() {
var stubXhr = setupStubXMLHttpRequest();
var err;
var result = xhr.send('POST', 'test-url', null, {timeoutMs: 50});
goog.result.waitOnSuccess(result, fail);
goog.result.waitOnError(result, function(res) { err = res.getError(); });
assertTrue(mockClock.getTimeoutsMade() > 0);
mockClock.tick(50);
assertTrue('XHR should have been sent', stubXhr.sent);
assertTrue('XHR should have been aborted', stubXhr.aborted);
assertTrue(err instanceof xhr.TimeoutError);
}
function testSendWithTimeoutWithoutDeferreds() {
var stubXhr = setupStubXMLHttpRequest();
var err;
xhr.makeRequest('POST', 'test-url', null, {timeoutMs: 50}, fail,
function(e) { err = e; });
assertTrue(mockClock.getTimeoutsMade() > 0);
mockClock.tick(50);
assertTrue('XHR should have been sent', stubXhr.sent);
assertTrue('XHR should have been aborted', stubXhr.aborted);
assertTrue(err instanceof xhr.TimeoutError);
}
function testCancelRequest() {
var stubXhr = setupStubXMLHttpRequest();
var err;
var result = xhr.send('GET', 'test-url', null, {timeoutMs: 50});
goog.result.waitOnSuccess(result, fail);
goog.result.waitOnError(result, function(result) {
err = result.getError();
});
result.cancel();
stubXhr.load(0); // Call load anyway, shoudn't make a difference.
mockClock.tick(100); // Timeout should never be called.
assertTrue('XHR should have been sent', stubXhr.sent);
assertTrue('XHR should have been aborted', stubXhr.aborted);
assertTrue(err instanceof goog.result.Result.CancelError);
}
function testGetJson() {
var stubXhr = setupStubXMLHttpRequest();
var responseData;
var result = xhr.getJson('test-url');
goog.result.waitOnSuccess(result, function(data) {
responseData = data;
});
goog.result.waitOnError(result, fail);
stubXhr.responseText = '{"a": 1, "b": 2}';
stubXhr.load(200);
assertObjectEquals({a: 1, b: 2}, responseData);
}
function testGetJsonWithXssiPrefix() {
var stubXhr = setupStubXMLHttpRequest();
var responseData;
var result = xhr.getJson('test-url', {xssiPrefix: 'while(1);\n'});
goog.result.waitOnSuccess(result, function(data) {
responseData = data;
});
goog.result.waitOnError(result, fail);
stubXhr.responseText = 'while(1);\n{"a": 1, "b": 2}';
stubXhr.load(200);
assertObjectEquals({a: 1, b: 2}, responseData);
}
</script>
</body>
</html>
|
