summaryrefslogtreecommitdiffstats
path: root/browser/base/content/test/general/browser_parsable_css.js
diff options
context:
space:
mode:
Diffstat (limited to 'browser/base/content/test/general/browser_parsable_css.js')
-rw-r--r--browser/base/content/test/general/browser_parsable_css.js376
1 files changed, 0 insertions, 376 deletions
diff --git a/browser/base/content/test/general/browser_parsable_css.js b/browser/base/content/test/general/browser_parsable_css.js
deleted file mode 100644
index 72954d2e5..000000000
--- a/browser/base/content/test/general/browser_parsable_css.js
+++ /dev/null
@@ -1,376 +0,0 @@
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-
-/* This list allows pre-existing or 'unfixable' CSS issues to remain, while we
- * detect newly occurring issues in shipping CSS. It is a list of objects
- * specifying conditions under which an error should be ignored.
- *
- * Every property of the objects in it needs to consist of a regular expression
- * matching the offending error. If an object has multiple regex criteria, they
- * ALL need to match an error in order for that error not to cause a test
- * failure. */
-let whitelist = [
- // CodeMirror is imported as-is, see bug 1004423.
- {sourceName: /codemirror\.css$/i,
- isFromDevTools: true},
- // The debugger uses cross-browser CSS.
- {sourceName: /devtools\/client\/debugger\/new\/styles.css/i,
- isFromDevTools: true},
- // PDFjs is futureproofing its pseudoselectors, and those rules are dropped.
- {sourceName: /web\/viewer\.css$/i,
- errorMessage: /Unknown pseudo-class.*(fullscreen|selection)/i,
- isFromDevTools: false},
- // Tracked in bug 1004428.
- {sourceName: /aboutaccounts\/(main|normalize)\.css$/i,
- isFromDevTools: false},
- // Highlighter CSS uses a UA-only pseudo-class, see bug 985597.
- {sourceName: /highlighters\.css$/i,
- errorMessage: /Unknown pseudo-class.*moz-native-anonymous/i,
- isFromDevTools: true},
- // Responsive Design Mode CSS uses a UA-only pseudo-class, see Bug 1241714.
- {sourceName: /responsive-ua\.css$/i,
- errorMessage: /Unknown pseudo-class.*moz-dropdown-list/i,
- isFromDevTools: true},
-
- {sourceName: /\b(contenteditable|EditorOverride|svg|forms|html|mathml|ua)\.css$/i,
- errorMessage: /Unknown pseudo-class.*-moz-/i,
- isFromDevTools: false},
- {sourceName: /\b(html|mathml|ua)\.css$/i,
- errorMessage: /Unknown property.*-moz-/i,
- isFromDevTools: false},
- // Reserved to UA sheets unless layout.css.overflow-clip-box.enabled flipped to true.
- {sourceName: /res\/forms\.css$/i,
- errorMessage: /Unknown property.*overflow-clip-box/i,
- isFromDevTools: false},
- {sourceName: /res\/(ua|html)\.css$/i,
- errorMessage: /Unknown pseudo-class .*\bfullscreen\b/i,
- isFromDevTools: false},
- {sourceName: /skin\/timepicker\.css$/i,
- errorMessage: /Error in parsing.*mask/i,
- isFromDevTools: false},
-];
-
-// Platform can be "linux", "macosx" or "win". If omitted, the exception applies to all platforms.
-let allowedImageReferences = [
- // Bug 1302691
- {file: "chrome://devtools/skin/images/dock-bottom-minimize@2x.png",
- from: "chrome://devtools/skin/toolbox.css",
- isFromDevTools: true},
- {file: "chrome://devtools/skin/images/dock-bottom-maximize@2x.png",
- from: "chrome://devtools/skin/toolbox.css",
- isFromDevTools: true},
-];
-
-var moduleLocation = gTestPath.replace(/\/[^\/]*$/i, "/parsingTestHelpers.jsm");
-var {generateURIsFromDirTree} = Cu.import(moduleLocation, {});
-
-// Add suffix to stylesheets' URI so that we always load them here and
-// have them parsed. Add a random number so that even if we run this
-// test multiple times, it would be unlikely to affect each other.
-const kPathSuffix = "?always-parse-css-" + Math.random();
-
-/**
- * Check if an error should be ignored due to matching one of the whitelist
- * objects defined in whitelist
- *
- * @param aErrorObject the error to check
- * @return true if the error should be ignored, false otherwise.
- */
-function ignoredError(aErrorObject) {
- for (let whitelistItem of whitelist) {
- let matches = true;
- for (let prop of ["sourceName", "errorMessage"]) {
- if (whitelistItem.hasOwnProperty(prop) &&
- !whitelistItem[prop].test(aErrorObject[prop] || "")) {
- matches = false;
- break;
- }
- }
- if (matches) {
- whitelistItem.used = true;
- return true;
- }
- }
- return false;
-}
-
-function once(target, name) {
- return new Promise((resolve, reject) => {
- let cb = () => {
- target.removeEventListener(name, cb);
- resolve();
- };
- target.addEventListener(name, cb);
- });
-}
-
-function fetchFile(uri) {
- return new Promise((resolve, reject) => {
- let xhr = new XMLHttpRequest();
- xhr.responseType = "text";
- xhr.open("GET", uri, true);
- xhr.onreadystatechange = function() {
- if (this.readyState != this.DONE) {
- return;
- }
- try {
- resolve(this.responseText);
- } catch (ex) {
- ok(false, `Script error reading ${uri}: ${ex}`);
- resolve("");
- }
- };
- xhr.onerror = error => {
- ok(false, `XHR error reading ${uri}: ${error}`);
- resolve("");
- };
- xhr.send(null);
- });
-}
-
-var gChromeReg = Cc["@mozilla.org/chrome/chrome-registry;1"]
- .getService(Ci.nsIChromeRegistry);
-var gChromeMap = new Map();
-
-function getBaseUriForChromeUri(chromeUri) {
- let chromeFile = chromeUri + "gobbledygooknonexistentfile.reallynothere";
- let uri = Services.io.newURI(chromeFile, null, null);
- let fileUri = gChromeReg.convertChromeURL(uri);
- return fileUri.resolve(".");
-}
-
-function parseManifest(manifestUri) {
- return fetchFile(manifestUri.spec).then(data => {
- for (let line of data.split('\n')) {
- let [type, ...argv] = line.split(/\s+/);
- let component;
- if (type == "content" || type == "skin") {
- [component] = argv;
- } else {
- // skip unrelated lines
- continue;
- }
- let chromeUri = `chrome://${component}/${type}/`;
- gChromeMap.set(getBaseUriForChromeUri(chromeUri), chromeUri);
- }
- });
-}
-
-function convertToChromeUri(fileUri) {
- let baseUri = fileUri.spec;
- let path = "";
- while (true) {
- let slashPos = baseUri.lastIndexOf("/", baseUri.length - 2);
- if (slashPos < 0) {
- info(`File not accessible from chrome protocol: ${fileUri.path}`);
- return fileUri;
- }
- path = baseUri.slice(slashPos + 1) + path;
- baseUri = baseUri.slice(0, slashPos + 1);
- if (gChromeMap.has(baseUri)) {
- let chromeBaseUri = gChromeMap.get(baseUri);
- let chromeUri = `${chromeBaseUri}${path}`;
- return Services.io.newURI(chromeUri, null, null);
- }
- }
-}
-
-function messageIsCSSError(msg) {
- // Only care about CSS errors generated by our iframe:
- if ((msg instanceof Ci.nsIScriptError) &&
- msg.category.includes("CSS") &&
- msg.sourceName.endsWith(kPathSuffix)) {
- let sourceName = msg.sourceName.slice(0, -kPathSuffix.length);
- let msgInfo = { sourceName, errorMessage: msg.errorMessage };
- // Check if this error is whitelisted in whitelist
- if (!ignoredError(msgInfo)) {
- ok(false, `Got error message for ${sourceName}: ${msg.errorMessage}`);
- return true;
- }
- info(`Ignored error for ${sourceName} because of filter.`);
- }
- return false;
-}
-
-let imageURIsToReferencesMap = new Map();
-
-function processCSSRules(sheet) {
- for (let rule of sheet.cssRules) {
- if (rule instanceof CSSMediaRule) {
- processCSSRules(rule);
- continue;
- }
- if (!(rule instanceof CSSStyleRule))
- continue;
-
- // Extract urls from the css text.
- // Note: CSSStyleRule.cssText always has double quotes around URLs even
- // when the original CSS file didn't.
- let urls = rule.cssText.match(/url\("[^"]*"\)/g);
- if (!urls)
- continue;
-
- for (let url of urls) {
- // Remove the url(" prefix and the ") suffix.
- url = url.replace(/url\("(.*)"\)/, "$1");
- if (url.startsWith("data:"))
- continue;
-
- // Make the url absolute and remove the ref.
- let baseURI = Services.io.newURI(rule.parentStyleSheet.href, null, null);
- url = Services.io.newURI(url, null, baseURI).specIgnoringRef;
-
- // Store the image url along with the css file referencing it.
- let baseUrl = baseURI.spec.split("?always-parse-css")[0];
- if (!imageURIsToReferencesMap.has(url)) {
- imageURIsToReferencesMap.set(url, new Set([baseUrl]));
- } else {
- imageURIsToReferencesMap.get(url).add(baseUrl);
- }
- }
- }
-}
-
-function chromeFileExists(aURI)
-{
- let available = 0;
- try {
- let channel = NetUtil.newChannel({uri: aURI, loadUsingSystemPrincipal: true});
- let stream = channel.open();
- let sstream = Cc["@mozilla.org/scriptableinputstream;1"]
- .createInstance(Ci.nsIScriptableInputStream);
- sstream.init(stream);
- available = sstream.available();
- sstream.close();
- } catch (e) {
- if (e.result != Components.results.NS_ERROR_FILE_NOT_FOUND) {
- dump("Checking " + aURI + ": " + e + "\n");
- Cu.reportError(e);
- }
- }
- return available > 0;
-}
-
-add_task(function* checkAllTheCSS() {
- let appDir = Services.dirsvc.get("GreD", Ci.nsIFile);
- // This asynchronously produces a list of URLs (sadly, mostly sync on our
- // test infrastructure because it runs against jarfiles there, and
- // our zipreader APIs are all sync)
- let uris = yield generateURIsFromDirTree(appDir, [".css", ".manifest"]);
-
- // Create a clean iframe to load all the files into. This needs to live at a
- // chrome URI so that it's allowed to load and parse any styles.
- let testFile = getRootDirectory(gTestPath) + "dummy_page.html";
- let windowless = Services.appShell.createWindowlessBrowser();
- let iframe = windowless.document.createElementNS("http://www.w3.org/1999/xhtml", "html:iframe");
- windowless.document.documentElement.appendChild(iframe);
- let iframeLoaded = once(iframe, 'load');
- iframe.contentWindow.location = testFile;
- yield iframeLoaded;
- let doc = iframe.contentWindow.document;
-
- // Parse and remove all manifests from the list.
- // NOTE that this must be done before filtering out devtools paths
- // so that all chrome paths can be recorded.
- let manifestPromises = [];
- uris = uris.filter(uri => {
- if (uri.path.endsWith(".manifest")) {
- manifestPromises.push(parseManifest(uri));
- return false;
- }
- return true;
- });
- // Wait for all manifest to be parsed
- yield Promise.all(manifestPromises);
-
- // We build a list of promises that get resolved when their respective
- // files have loaded and produced no errors.
- let allPromises = [];
-
- // filter out either the devtools paths or the non-devtools paths:
- let isDevtools = SimpleTest.harnessParameters.subsuite == "devtools";
- let devtoolsPathBits = ["webide", "devtools"];
- uris = uris.filter(uri => isDevtools == devtoolsPathBits.some(path => uri.spec.includes(path)));
-
- for (let uri of uris) {
- let linkEl = doc.createElement("link");
- linkEl.setAttribute("rel", "stylesheet");
- let promiseForThisSpec = Promise.defer();
- let onLoad = (e) => {
- processCSSRules(linkEl.sheet);
- promiseForThisSpec.resolve();
- linkEl.removeEventListener("load", onLoad);
- linkEl.removeEventListener("error", onError);
- };
- let onError = (e) => {
- ok(false, "Loading " + linkEl.getAttribute("href") + " threw an error!");
- promiseForThisSpec.resolve();
- linkEl.removeEventListener("load", onLoad);
- linkEl.removeEventListener("error", onError);
- };
- linkEl.addEventListener("load", onLoad);
- linkEl.addEventListener("error", onError);
- linkEl.setAttribute("type", "text/css");
- let chromeUri = convertToChromeUri(uri);
- linkEl.setAttribute("href", chromeUri.spec + kPathSuffix);
- allPromises.push(promiseForThisSpec.promise);
- doc.head.appendChild(linkEl);
- }
-
- // Wait for all the files to have actually loaded:
- yield Promise.all(allPromises);
-
- // Check if all the files referenced from CSS actually exist.
- for (let [image, references] of imageURIsToReferencesMap) {
- if (!chromeFileExists(image)) {
- for (let ref of references) {
- let ignored = false;
- for (let item of allowedImageReferences) {
- if (image.endsWith(item.file) && ref.endsWith(item.from) &&
- isDevtools == item.isFromDevTools &&
- (!item.platforms || item.platforms.includes(AppConstants.platform))) {
- item.used = true;
- ignored = true;
- break;
- }
- }
- if (!ignored)
- ok(false, "missing " + image + " referenced from " + ref);
- }
- }
- }
-
- let messages = Services.console.getMessageArray();
- // Count errors (the test output will list actual issues for us, as well
- // as the ok(false) in messageIsCSSError.
- let errors = messages.filter(messageIsCSSError);
- is(errors.length, 0, "All the styles (" + allPromises.length + ") loaded without errors.");
-
- // Confirm that all whitelist rules have been used.
- for (let item of whitelist) {
- if (!item.used && isDevtools == item.isFromDevTools) {
- ok(false, "Unused whitelist item. " +
- (item.sourceName ? " sourceName: " + item.sourceName : "") +
- (item.errorMessage ? " errorMessage: " + item.errorMessage : ""));
- }
- }
-
- // Confirm that all file whitelist rules have been used.
- for (let item of allowedImageReferences) {
- if (!item.used && isDevtools == item.isFromDevTools &&
- (!item.platforms || item.platforms.includes(AppConstants.platform))) {
- ok(false, "Unused file whitelist item. " +
- " file: " + item.file +
- " from: " + item.from);
- }
- }
-
- // Clean up to avoid leaks:
- iframe.remove();
- doc.head.innerHTML = '';
- doc = null;
- iframe = null;
- windowless.close();
- windowless = null;
- imageURIsToReferencesMap = null;
-});