<!doctype html>
<!--
Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<html>
<head>
<title>core-ajax</title>
<script src="../../webcomponentsjs/webcomponents.js"></script>
<script src="../../web-component-tester/browser.js"></script>
<link rel="import" href="../core-ajax.html">
</head>
<body>
<core-ajax
handleAs="json"
auto></core-ajax>
<!--
Test consistency of core-ajax's loading properties.
-->
<script>
test('progress', function(done) {
var ajax = document.querySelector("core-ajax");
var xhr = sinon.useFakeXMLHttpRequest();
var headers = {
"Content-Type": "text/json"
};
var body = '{"content": "plentiful"}'
var requests = this.requests = [];
xhr.onCreate = function (xhr) {
requests.push(xhr);
// Polymer inspects the xhr object for the precense of onprogress to determine
// whether to attach an event listener.
xhr['onprogress'] = null;
};
var progressEvent = function(lengthComputable, loaded, total) {
var progress = new ProgressEvent('progress', {
lengthComputable: lengthComputable,
loaded: loaded,
total: total
});
return progress;
}
// Fake a file download by sending multiple progress events.
async.series([
function(cb) {
ajax.url="http://example.org/downloadLargeFile"
cb();
},
flush,
animationFrameFlush,
function(cb) {
requests[0].dispatchEvent(progressEvent(true, 10, 100));
cb();
},
flush,
animationFrameFlush,
function(cb) {
assert(ajax.loading === true,
"Request partially complete, but loading property was false.");
var progress = ajax.progress;
assert(progress.lengthComputable, "Progress should be computable");
assert(progress.loaded == 10, "Expected 10 bytes loaded, got " + progress.loaded);
assert(progress.total == 100, "Expected 100 bytes total, got " + progress.total);
cb();
},
animationFrameFlush,
function(cb) {
requests[0].dispatchEvent(progressEvent(true, 100, 100));
cb();
},
animationFrameFlush,
function(cb) {
assert(ajax.loading === true,
"Request partially complete, but loading property was false.");
var progress = ajax.progress;
assert(progress.lengthComputable, "Progress should be computable");
assert(progress.loaded == 100, "Expected 10 bytes loaded, got " + progress.loaded);
assert(progress.total == 100, "Expected 100 bytes total, got " + progress.total);
cb();
},
function(cb) {
requests[0].respond(200, headers, body);
cb();
},
animationFrameFlush,
function(cb) {
assert(ajax.loading === false,
"Request complete, but loading property was true.");
assert(ajax.response.content === "plentiful", "response not parsed");
cb();
}
], done);
});
</script>
</body>
</html>