зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
3.3 KiB
JavaScript
88 строки
3.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Shared data & functionality used in tests for CSS Unprefixing Service.
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// Whitelisted hosts:
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// (per implementation of nsPrincipal::IsOnCSSUnprefixingWhitelist())
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var gWhitelistedHosts = [
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// test1.example.org is on the whitelist.
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"test1.example.org",
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// test2.example.org is on the "allow all subdomains" whitelist.
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"test2.example.org",
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"sub1.test2.example.org",
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"sub2.test2.example.org"
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];
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// *NOT* whitelisted hosts:
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var gNotWhitelistedHosts = [
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// Though test1.example.org is on the whitelist, its subdomains are not.
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"sub1.test1.example.org",
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// mochi.test is not on the whitelist.
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"mochi.test:8888"
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];
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// Names of prefs:
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const PREF_UNPREFIXING_SERVICE =
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"layout.css.unprefixing-service.enabled";
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const PREF_INCLUDE_TEST_DOMAINS =
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"layout.css.unprefixing-service.include-test-domains";
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// Helper-function to make unique URLs in testHost():
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var gCounter = 0;
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function getIncreasingCounter() {
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return gCounter++;
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}
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// This function tests a particular host in our iframe.
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// @param aHost The host to be tested
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// @param aExpectEnabled Should we expect unprefixing to be enabled for host?
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function testHost(aHost, aExpectEnabled) {
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// Build the URL:
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let url = window.location.protocol; // "http:" or "https:"
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url += "//";
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url += aHost;
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// Append the path-name, up to the actual filename (the final "/"):
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const re = /(.*\/).*/;
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url += window.location.pathname.replace(re, "$1");
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url += IFRAME_TESTFILE;
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// In case this is the same URL as last time, we add "?N" for some unique N,
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// to make each URL different, so that the iframe actually (re)loads:
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url += "?" + getIncreasingCounter();
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// We give the URL a #suffix to indicate to the test whether it should expect
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// that unprefixing is enabled or disabled:
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url += (aExpectEnabled ? "#expectEnabled" : "#expectDisabled");
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let iframe = document.getElementById("testIframe");
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iframe.contentWindow.location = url;
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// The iframe will report its results back via postMessage.
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// Our caller had better have set up a postMessage listener.
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}
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// Register a postMessage() handler, to allow our cross-origin iframe to
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// communicate back to the main page's mochitest functionality.
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// The handler expects postMessage to be called with an object like:
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// { type: ["is"|"ok"|"testComplete"], ... }
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// The "is" and "ok" types will trigger the corresponding function to be
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// called in the main page, with named arguments provided in the payload.
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// The "testComplete" type will trigger the passed-in aTestCompleteCallback
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// function to be invoked (e.g. to advance to the next testcase, or to finish
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// the overall test, as-appropriate).
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function registerPostMessageListener(aTestCompleteCallback) {
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let receiveMessage = function(event) {
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if (event.data.type === "is") {
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is(event.data.actual, event.data.expected, event.data.desc);
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} else if (event.data.type === "ok") {
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ok(event.data.condition, event.data.desc);
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} else if (event.data.type === "testComplete") {
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aTestCompleteCallback();
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} else {
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ok(false, "unrecognized data in postMessage call");
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}
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};
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window.addEventListener("message", receiveMessage, false);
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}
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