зеркало из https://github.com/mozilla/gecko-dev.git
Bug 704320 - Add tests for whether preloaded resources can be reused after script-added meta referrer policy is added to a document. (r=bz)
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Sid Stamm
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Коммит
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// Handle counting loads for bug 704320.
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const SHARED_KEY="bug704320_counter";
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const DEFAULT_STATE = {'css': {'count': 0, 'referrers': []},
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'img': {'count': 0, 'referrers': []},
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'js': {'count': 0, 'referrers': []}};
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const TYPE_MAP = {'css': 'text/css',
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'js': 'application/javascript',
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'img': 'image/png',
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'html': 'text/html'};
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// Writes an image to the response
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function WriteOutImage(response)
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{
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var file = Components.classes["@mozilla.org/file/directory_service;1"]
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.getService(Components.interfaces.nsIProperties)
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.get("CurWorkD", Components.interfaces.nsIFile);
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file.append("tests");
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file.append("image");
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file.append("test");
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file.append("mochitest");
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file.append('blue.png');
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var fileStream = Components.classes['@mozilla.org/network/file-input-stream;1']
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.createInstance(Components.interfaces.nsIFileInputStream);
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fileStream.init(file, 1, 0, false);
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response.bodyOutputStream.writeFrom(fileStream, fileStream.available());
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}
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function handleRequest(request, response)
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{
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var query = {};
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request.queryString.split('&').forEach(function (val) {
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var [name, value] = val.split('=');
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query[name] = unescape(value);
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});
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var referrerLevel = "none";
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if (request.hasHeader('Referer')) {
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let referrer = request.getHeader('Referer');
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if (referrer.indexOf("bug704320_preload") > 0) {
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referrerLevel = "full";
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} else if (referrer == "http://mochi.test:8888") {
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referrerLevel = "origin";
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}
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}
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var state = getSharedState(SHARED_KEY);
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if (state === '') {
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state = DEFAULT_STATE;
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} else {
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state = JSON.parse(state);
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}
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response.setStatusLine(request.httpVersion, 200, "OK");
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//avoid confusing cache behaviors
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response.setHeader("Cache-Control", "no-cache", false);
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if ("reset" in query) {
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//reset server state
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setSharedState(SHARED_KEY, JSON.stringify(DEFAULT_STATE));
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//serve any CSS that we want to use.
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response.write("");
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return;
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}
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if ("results" in query) {
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response.setHeader("Content-Type", "text/javascript", false);
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response.write(JSON.stringify(state));
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return;
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}
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if ('type' in query) {
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state[query.type].count++;
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response.setHeader("Content-Type", TYPE_MAP[query.type], false);
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if (state[query.type].referrers.indexOf(referrerLevel) < 0) {
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state[query.type].referrers.push(referrerLevel);
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}
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if (query.type == 'img') {
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WriteOutImage(response);
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}
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}
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if ('content' in query) {
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response.write(unescape(query['content']));
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}
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setSharedState(SHARED_KEY, JSON.stringify(state));
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return;
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}
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// Common code for the iframes used by bug704320_preload.
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var loadCount = 0;
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// Called by the various onload handlers to indicate that a resource has
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// been fully loaded. We require three loads to complete (img, script,
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// link) for this test.
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function incrementLoad(tag) {
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loadCount++;
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if (loadCount == 3) {
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window.parent.postMessage("childLoadComplete", window.location.origin);
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} else if (loadCount > 3) {
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document.write("<h1>Too Many Load Events!</h1>");
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window.parent.postMessage("childOverload", window.location.origin);
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}
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}
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// in case something fails to load, cause the test to fail.
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function postfail(msg) {
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window.parent.postMessage("fail-" + msg, window.location.origin);
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}
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<!DOCTYPE HTML>
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<html>
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<!--
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This is a spot check for whether the speculative parser reuses style, script or image loads after the referrer policy has changed.
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https://bugzilla.mozilla.org/show_bug.cgi?id=704320
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-->
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<head>
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<meta charset="utf-8">
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<script type="text/javascript" src="file_bug704320_preload_common.js"></script>
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<script type="text/javascript">
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// mess with parser speculation's choice of referrer policy
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document.write("<meta name='referrer' content='origin'>");
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</script>
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<!-- preload happens with full referrer, but real load should happen with origin -->
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<script src="/tests/dom/base/test/bug704320_counter.sjs?type=js"
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onload="incrementLoad('script');"></script>
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<!-- preload happens with full referrer, but real load should happen with origin -->
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<link rel="stylesheet"
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href="/tests/dom/base/test/bug704320_counter.sjs?type=css"
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onload="incrementLoad('link');"/>
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</head>
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<body>
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<!-- preload happens with full referrer, but real load should happen with origin -->
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<img src="/tests/dom/base/test/bug704320_counter.sjs?type=img"
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onload="incrementLoad('img');"
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onerror="postfail('image load caused an error in noreuse test');"/>
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</body>
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</html>
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<!DOCTYPE HTML>
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<html>
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<!--
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This is a spot check for whether the speculative parser reuses style, script or image loads after the referrer policy has changed.
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https://bugzilla.mozilla.org/show_bug.cgi?id=704320
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-->
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<head>
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<meta charset="utf-8">
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<meta name="referrer" content="origin">
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<script type="text/javascript" src="file_bug704320_preload_common.js"></script>
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<script language="javascript" type="text/javascript">
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// mess with parser speculation -- the loads here MAY be reused because the
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// referrer policy did not change.
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document.write("<meta name='referrer' content='origin'>");
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</script>
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<script src="http://example.com/tests/dom/base/test/bug704320_counter.sjs?type=js"
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onload="incrementLoad('script');"></script>
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<link rel="stylesheet"
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href="http://example.com/tests/dom/base/test/bug704320_counter.sjs?type=css"
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onload="incrementLoad('link');"/>
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</head>
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<body>
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<img src="http://example.com/tests/dom/base/test/bug704320_counter.sjs?type=img"
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onload="incrementLoad('img');"
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onerror="postfail('image load caused an error in reuse test');"/>
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</body>
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</html>
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@ -53,6 +53,7 @@ support-files =
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bug696301-script-1.js^headers^
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bug696301-script-2.js
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bug704320.sjs
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bug704320_counter.sjs
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bug819051.sjs
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copypaste.js
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delayedServerEvents.sjs
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@ -139,6 +140,9 @@ support-files =
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file_bug687859-http.js^headers^
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file_bug687859-inherit.js
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file_bug692434.xml
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file_bug704320_preload_common.js
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file_bug704320_preload_reuse.html
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file_bug704320_preload_noreuse.html
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file_bug704320_redirect.html
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file_bug707142_baseline.json
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file_bug707142_bom.json
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@ -597,6 +601,7 @@ skip-if = buildapp == 'b2g'
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[test_bug704063.html]
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[test_bug704320.html]
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skip-if = buildapp == 'b2g' || toolkit == 'android' || e10s # b2g (Needs multiple window.open support) android(times out, bug 1100609) e10s(randomly fails, bug 1100362)
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[test_bug704320_preload.html]
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[test_bug707142.html]
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[test_bug708620.html]
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[test_bug711047.html]
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<!DOCTYPE HTML>
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<html>
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<!--
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This is a spot check for whether the speculative parser reuses style, script or image loads after the referrer policy has changed.
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https://bugzilla.mozilla.org/show_bug.cgi?id=704320
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-->
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<head>
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<meta charset="utf-8">
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<title>Test preloads for Bug 704320</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script type="application/javascript;version=1.7">
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SimpleTest.waitForExplicitFinish();
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var advance = function() { tests.next(); };
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/**
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* Listen for notifications from the child.
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* These are sent in case of error, or when the loads we await have completed.
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*/
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window.addEventListener("message", function(event) {
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if (event.data == "childLoadComplete") {
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// all three loads happen, continue the test.
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advance();
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} else if (event.data == "childOverload") {
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// too many loads happened in a test frame, abort.
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ok(false, "Too many load handlers called in test.");
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SimpleTest.finish();
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} else if (event.data.indexOf("fail-") == 0) {
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// something else failed in the test frame, abort.
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ok(false, "Child failed the test with error " + event.data.substr(5));
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SimpleTest.finish();
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}});
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/**
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* This is the main test routine -- serialized by use of a generator.
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* It resets the counter, then performs two tests in sequence using
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* the same iframe.
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*/
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var tests = (function() {
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var iframe = document.getElementById("testframe");
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// reset the counter
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yield resetCounter();
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// load the first test frame
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// it will call back into this function via postMessage when it finishes loading.
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// and continue beyond the yield.
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yield iframe.src = 'file_bug704320_preload_noreuse.html';
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// check the first test
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yield checkResults(finalizePreloadNoreuse);
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// reset the counter
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yield resetCounter();
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// load the second test frame
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// it will call back into this function via postMessage when it finishes loading.
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// and continue beyond the yield.
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yield iframe.src = 'file_bug704320_preload_reuse.html';
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// check the second test
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yield checkResults(finalizePreloadReuse);
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// complete. Be sure to yield so we don't call this twice.
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yield SimpleTest.finish();
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})();
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// Helper functions below.
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/**
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* This checks the first test: a test where the preloads should not
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* be reused. * we expect two requests for each image, script, js request
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* since the referrer policy changed after speculative loads were started.
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* Problem is that the "origin"/revised loads won't necessarily happen,
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* so we test for one or two loads (both are OK) and make the 'origin'
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* referrer optional.
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*/
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function finalizePreloadNoreuse(results) {
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console.log("<br/><pre>" + JSON.stringify(results) + "</pre>");
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var expected = {'css': {'count': 2, 'referrers': ['full', 'origin']},
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'img': {'count': 2, 'referrers': ['full', 'origin']},
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'js': {'count': 2, 'referrers': ['full', 'origin']}};
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for (var x in expected) {
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ok(x in results, "some " + x + " loads required in results object.");
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ok(results[x].count == 1 || results[x].count == 2,
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"Expected 1-2 loads for " + x + " requests.");
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// the 'full' preload is optional, but required if count > 1
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if (results[x].count > 1) {
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ok(results[x].referrers.indexOf('full') >= 0,
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"More than one load for " + x + ", so expected an 'full' referrer preload.")
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}
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// 'origin' (final load) is required
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ok(results[x].referrers.indexOf('origin') >= 0,
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"One load for " + x + " should have had 'origin' referrer.");
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// no other values should be in the referrers.
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is(results[x].referrers.indexOf('none'), -1,
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"No loads for " + x + " should have a missing referrer.");
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}
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advance();
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}
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/**
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* This checks the second test: a test where preloads SHOULD be reused.
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* We expect one request for each image, script, js request since
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* the referrer policy does not change after speculative loads.
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*/
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function finalizePreloadReuse(results) {
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var expected = {'css': {'count': 1, 'referrers': ['origin']},
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'img': {'count': 1, 'referrers': ['origin']},
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'js': {'count': 1, 'referrers': ['origin']}};
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for (var x in expected) {
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ok(x in results, "some " + x + " loads required in results object.");
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is(results[x].count, expected[x].count,
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"Expected " + expected[x].count + " loads for " + x + " requests.");
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// 'origin' is required
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ok(results[x].referrers.indexOf('origin') >= 0,
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"One load for " + x + " should have had 'origin' referrer.");
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// no other values should be in the referrers.
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is(results[x].referrers.indexOf('none'), -1,
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"No loads for " + x + " should have a missing referrer.");
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is(results[x].referrers.indexOf('full'), -1,
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"No loads for " + x + " should have an 'full' referrer.")
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}
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advance();
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}
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/**
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* helper to perform an XHR.
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* Used by resetCounter() and checkResults().
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*/
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function doXHR(url, onSuccess, onFail) {
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var xhr = new XMLHttpRequest();
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xhr.onload = function () {
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if (xhr.status == 200) {
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onSuccess(xhr);
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} else {
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onFail(xhr);
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}
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};
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xhr.open('GET', url, true);
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xhr.send(null);
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}
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/**
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* This triggers state-resetting on the counter server.
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*/
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function resetCounter() {
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doXHR('/tests/dom/base/test/bug704320_counter.sjs?reset',
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advance,
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function(xhr) {
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ok(false, "Need to be able to reset the request counter");
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});
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}
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/**
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* Grabs the results via XHR and passes to checker.
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*/
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function checkResults(checker) {
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doXHR('/tests/dom/base/test/bug704320_counter.sjs?results',
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function(xhr) {
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checker(JSON.parse(xhr.responseText));
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},
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function(xhr) {
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ok(false, "Can't get results from the counter server.");
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});
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}
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</script>
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</head>
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<body onload="tests.next();">
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<iframe id="testframe"></iframe>
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</body>
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</html>
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