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Bug 1750006 - Make tests in dom/broadcastchannel/test/ dFPI compatible, r=smaug,anti-tracking-reviewers,timhuang
We are fixing mochitests that fail when network.cookie.cookieBehavior = 5, i.e. when we enable Total Cookie Protection. This is most often due to the test assuming that an origin will always have access to its storage state when embedded as a third party. In this case I had to request storage access to allow an embedded iframe to use a BroadcastChannel to communicate with top-level pages of the same origin. This was only a problem in the XOrigin case where the test html file is loaded in an embedded iframe and then can't communicate with the top-level window it created. Differential Revision: https://phabricator.services.mozilla.com/D136604
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@ -18,76 +18,98 @@
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* The page which is loaded from session history should be persisted if
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* expectedPersisted is true.
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*/
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SimpleTest.waitForExplicitFinish();
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var testUrl1 = "testUrl1_bfcache.html";
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var bc1 = new BroadcastChannel("testUrl1_bfcache");
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var bc2 = new BroadcastChannel("testUrl2_bfcache");
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bc1.onmessage = function(event) {
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if (event.data == "closed") {
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info("Closed");
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runTest();
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return;
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}
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page1Shown(event.data);
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};
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bc2.onmessage = function(event) { page2Shown(event.data); };
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var counter = 0;
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var expectedPersisted = false;
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var bc = new BroadcastChannel("a");
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function page1Shown(e) {
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if (counter == 0) {
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ok(!e.persisted, "test page should have been persisted initially");
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bc1.postMessage("load");
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} else {
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is(e.persisted, expectedPersisted, "test page should have been persisted in pageshow");
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bc1.postMessage("close");
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function executeTest() {
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var bc1 = new BroadcastChannel("testUrl1_bfcache");
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var bc2 = new BroadcastChannel("testUrl2_bfcache");
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bc1.onmessage = function(event) {
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if (event.data == "closed") {
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info("Closed");
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runTest();
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return;
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}
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page1Shown(event.data);
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};
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bc2.onmessage = function(event) { page2Shown(event.data); };
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var counter = 0;
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var expectedPersisted = false;
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var bc = new BroadcastChannel("a");
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function page1Shown(e) {
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if (counter == 0) {
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ok(!e.persisted, "test page should have been persisted initially");
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bc1.postMessage("load");
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} else {
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is(e.persisted, expectedPersisted, "test page should have been persisted in pageshow");
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bc1.postMessage("close");
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}
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counter++;
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}
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counter++;
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}
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function page2Shown(e) {
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if (!expectedPersisted) {
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SimpleTest.executeSoon(function() {
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info("Posting a message.");
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bc.postMessage(42);
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});
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}
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function page2Shown(e) {
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if (!expectedPersisted) {
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SimpleTest.executeSoon(function() {
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info("Posting a message.");
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bc.postMessage(42);
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info("Going back");
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bc2.postMessage("back");
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});
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}
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SimpleTest.executeSoon(function() {
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info("Going back");
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bc2.postMessage("back");
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});
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}
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var tests = [
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{ expectedPersisted: true },
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{ expectedPersisted: false },
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];
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var tests = [
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{ expectedPersisted: true },
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{ expectedPersisted: false },
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];
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function runTest() {
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if (!tests.length) {
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bc.close();
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bc1.close();
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bc2.close();
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SimpleTest.finish();
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return;
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}
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function runTest() {
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if (!tests.length) {
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bc.close();
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bc1.close();
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bc2.close();
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SimpleTest.finish();
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return;
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var test = tests.shift();
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counter = 0;
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expectedPersisted = test.expectedPersisted;
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window.open(testUrl1, "", "noopener");
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}
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var test = tests.shift();
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counter = 0;
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expectedPersisted = test.expectedPersisted;
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window.open(testUrl1, "", "noopener");
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// If Fission is disabled, the pref is no-op.
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SpecialPowers.pushPrefEnv({set: [["fission.bfcacheInParent", true]]}, () => {
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runTest();
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});
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}
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SimpleTest.waitForExplicitFinish();
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// If Fission is disabled, the pref is no-op.
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SpecialPowers.pushPrefEnv({set: [["fission.bfcacheInParent", true]]}, () => {
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runTest();
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});
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if (isXOrigin) {
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// Bug 1746646: Make mochitests work with TCP enabled (cookieBehavior = 5)
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// Acquire storage access permission here so that the BroadcastChannel used to
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// communicate with the opened windows works in xorigin tests. Otherwise,
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// the iframe containing this page is isolated from first-party storage access,
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// which isolates BroadcastChannel communication.
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SpecialPowers.wrap(document).notifyUserGestureActivation();
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SpecialPowers.addPermission("storageAccessAPI", true, window.location.href).then(() => {
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SpecialPowers.wrap(document).requestStorageAccess().then(() => {
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executeTest();
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});
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});
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} else {
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executeTest();
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}
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</script>
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</body>
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