gecko/testing/mochitest/chrome-harness.js

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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
Components.utils.import("resource://gre/modules/NetUtil.jsm");
/*
* getChromeURI converts a URL to a URI
*
* url: string of a URL (http://mochi.test/test.html)
* returns: a nsiURI object representing the given URL
*
*/
function getChromeURI(url) {
var ios = Components.classes["@mozilla.org/network/io-service;1"].
getService(Components.interfaces.nsIIOService);
return ios.newURI(url, null, null);
}
/*
* Convert a URL (string) into a nsIURI or NSIJARURI
* This is intended for URL's that are on a file system
* or in packaged up in an extension .jar file
*
* url: a string of a url on the local system(http://localhost/blah.html)
*/
function getResolvedURI(url) {
var chromeURI = getChromeURI(url);
var resolvedURI = Components.classes["@mozilla.org/chrome/chrome-registry;1"].
getService(Components.interfaces.nsIChromeRegistry).
convertChromeURL(chromeURI);
try {
resolvedURI = resolvedURI.QueryInterface(Components.interfaces.nsIJARURI);
} catch (ex) {} //not a jar file
return resolvedURI;
}
/**
* getChromeDir is intended to be called after getResolvedURI and convert
* the input URI into a nsILocalFile (actually the directory containing the
* file). This can be used for copying or referencing the file or extra files
* required by the test. Usually we need to load a secondary html file or library
* and this will give us file system access to that.
*
* resolvedURI: nsIURI (from getResolvedURI) that points to a file:/// url
*/
function getChromeDir(resolvedURI) {
var fileHandler = Components.classes["@mozilla.org/network/protocol;1?name=file"].
getService(Components.interfaces.nsIFileProtocolHandler);
var chromeDir = fileHandler.getFileFromURLSpec(resolvedURI.spec);
return chromeDir.parent.QueryInterface(Components.interfaces.nsILocalFile);
}
/*
* given a .jar file, we get all test files located inside the archive
*
* aBasePath: base URL to determine chrome location and search for tests
* aTestPath: passed in testPath value from command line such as: dom/tests/mochitest
* aDir: the test dir to append to the baseURL after getting a directory interface
*
* As a note, this is hardcoded to the .jar structure we use for mochitest.
* Please don't assume this works for all jar files.
*/
function getMochitestJarListing(aBasePath, aTestPath, aDir)
{
var zReader = Components.classes["@mozilla.org/libjar/zip-reader;1"].
createInstance(Components.interfaces.nsIZipReader);
var fileHandler = Components.classes["@mozilla.org/network/protocol;1?name=file"].
getService(Components.interfaces.nsIFileProtocolHandler);
var fileName = fileHandler.getFileFromURLSpec(getResolvedURI(aBasePath).JARFile.spec);
zReader.open(fileName);
//hardcoded 'content' as that is the root dir in the mochikit.jar file
var idx = aBasePath.indexOf('/content');
var basePath = aBasePath.slice(0, idx);
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var base = "content/" + aDir + "/";
var singleTestPath;
if (aTestPath) {
var extraPath = aTestPath;
var pathToCheck = base + aTestPath;
if (zReader.hasEntry(pathToCheck)) {
var pathEntry = zReader.getEntry(pathToCheck);
if (pathEntry.isDirectory) {
base = pathToCheck;
} else {
singleTestPath = basePath + '/' + base + aTestPath;
var singleObject = {};
singleObject[singleTestPath] = true;
return [singleObject, singleTestPath];
}
}
else if (zReader.hasEntry(pathToCheck + "/")) {
base = pathToCheck + "/";
}
else {
return [];
}
}
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var [links, count] = zList(base, zReader, basePath, true);
return [links, null];
}
/*
* Replicate the server.js list() function with a .jar file
*
* base: string value of base directory we are testing
* zReader: handle to opened nsIZipReader object
* recurse: true|false if we do subdirs
*
* returns:
* [json object of {dir:{subdir:{file:true, file:true, ...}}}, count of tests]
*/
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function zList(base, zReader, baseJarName, recurse) {
var dirs = zReader.findEntries(base + "*");
var links = {};
var count = 0;
var fileArray = [];
while(dirs.hasMore()) {
var entryName = dirs.getNext();
if (entryName.substr(-1) == '/' && entryName.split('/').length == (base.split('/').length + 1) ||
(entryName.substr(-1) != '/' && entryName.split('/').length == (base.split('/').length))) {
fileArray.push(entryName);
}
}
fileArray.sort();
count = fileArray.length;
for (var i=0; i < fileArray.length; i++) {
var myFile = fileArray[i];
if (myFile.substr(-1) === '/' && recurse) {
var childCount = 0;
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[links[myFile], childCount] = zList(myFile, zReader, baseJarName, recurse);
count += childCount;
} else {
if (myFile.indexOf("SimpleTest") == -1) {
//we add the '/' so we don't try to run content/content/chrome
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links[baseJarName + '/' + myFile] = true;
}
}
}
return [links, count];
}
/**
* basePath: the URL base path to search from such as chrome://mochikit/content/a11y
* testPath: the optional testPath passed into the test such as dom/tests/mochitest
* dir: the test dir to append to the uri after getting a directory interface
* srvScope: loaded javascript to server.js so we have aComponents.classesess to the list() function
*
* return value:
* single test: [json object, path to test]
* list of tests: [json object, null] <- directory [heirarchy]
*/
function getFileListing(basePath, testPath, dir, srvScope)
{
var uri = getResolvedURI(basePath);
var chromeDir = getChromeDir(uri);
chromeDir.appendRelativePath(dir);
basePath += '/' + dir;
var ioSvc = Components.classes["@mozilla.org/network/io-service;1"].
getService(Components.interfaces.nsIIOService);
var testsDirURI = ioSvc.newFileURI(chromeDir);
var testsDir = ioSvc.newURI(testPath, null, testsDirURI)
.QueryInterface(Components.interfaces.nsIFileURL).file;
var singleTestPath;
if (testPath != undefined) {
var extraPath = testPath;
var fileNameRegexp = /(browser|test)_.+\.(xul|html|js)$/;
// Invalid testPath...
if (!testsDir.exists())
return [];
if (testsDir.isFile()) {
if (fileNameRegexp.test(testsDir.leafName))
var singlePath = basePath + '/' + testPath;
var links = {};
links[singlePath] = true;
return [links, null];
// We were passed a file that's not a test...
return [];
}
// otherwise, we were passed a directory of tests
basePath += "/" + testPath;
}
var [links, count] = srvScope.list(basePath, testsDir, true);
return [links, null];
}
//used by tests to determine their directory based off window.location.path
function getRootDirectory(path, chromeURI) {
if (chromeURI === undefined)
{
chromeURI = getChromeURI(path);
}
var myURL = chromeURI.QueryInterface(Components.interfaces.nsIURL);
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var mydir = myURL.directory;
if (mydir.match('/$') != '/')
{
mydir += '/';
}
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return chromeURI.prePath + mydir;
}
//used by tests to determine their directory based off window.location.path
function getChromePrePath(path, chromeURI) {
if (chromeURI === undefined) {
chromeURI = getChromeURI(path);
}
return chromeURI.prePath;
}
/*
* Given a URI, return nsIJARURI or null
*/
function getJar(uri) {
var resolvedURI = getResolvedURI(uri);
var jar = null;
try {
if (resolvedURI.JARFile) {
jar = resolvedURI;
}
} catch (ex) {}
return jar;
}
/*
* input:
* jar: a nsIJARURI object with the jarfile and jarentry (path in jar file)
*
* output;
* all files and subdirectories inside jarentry will be extracted to TmpD/mochikit.tmp
* we will return the location of /TmpD/mochikit.tmp* so you can reference the files locally
*/
function extractJarToTmp(jar) {
var tmpdir = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties)
.get("ProfD", Components.interfaces.nsILocalFile);
tmpdir.append("mochikit.tmp");
// parseInt is used because octal escape sequences cause deprecation warnings
// in strict mode (which is turned on in debug builds)
tmpdir.createUnique(Components.interfaces.nsIFile.DIRECTORY_TYPE, parseInt("0777", 8));
var zReader = Components.classes["@mozilla.org/libjar/zip-reader;1"].
createInstance(Components.interfaces.nsIZipReader);
var fileHandler = Components.classes["@mozilla.org/network/protocol;1?name=file"].
getService(Components.interfaces.nsIFileProtocolHandler);
var fileName = fileHandler.getFileFromURLSpec(jar.JARFile.spec);
zReader.open(fileName);
//filepath represents the path in the jar file without the filename
var filepath = "";
var parts = jar.JAREntry.split('/');
for (var i =0; i < parts.length - 1; i++) {
if (parts[i] != '') {
filepath += parts[i] + '/';
}
}
/* Create dir structure first, no guarantee about ordering of directories and
* files returned from findEntries.
*/
var dirs = zReader.findEntries(filepath + '*/');
while (dirs.hasMore()) {
var targetDir = buildRelativePath(dirs.getNext(), tmpdir, filepath);
// parseInt is used because octal escape sequences cause deprecation warnings
// in strict mode (which is turned on in debug builds)
targetDir.create(Components.interfaces.nsIFile.DIRECTORY_TYPE, parseInt("0777", 8));
}
//now do the files
var files = zReader.findEntries(filepath + "*");
while (files.hasMore()) {
var fname = files.getNext();
if (fname.substr(-1) != '/') {
var targetFile = buildRelativePath(fname, tmpdir, filepath);
zReader.extract(fname, targetFile);
}
}
return tmpdir;
}
/*
* Simple utility function to take the directory structure in jarentryname and
* translate that to a path of a nsILocalFile.
*/
function buildRelativePath(jarentryname, destdir, basepath)
{
var baseParts = basepath.split('/');
if (baseParts[baseParts.length-1] == '') {
baseParts.pop();
}
var parts = jarentryname.split('/');
var targetFile = Components.classes["@mozilla.org/file/local;1"]
.createInstance(Components.interfaces.nsILocalFile);
targetFile.initWithFile(destdir);
for (var i = baseParts.length; i < parts.length; i++) {
targetFile.append(parts[i]);
}
return targetFile;
}
function readConfig() {
var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"].
getService(Components.interfaces.nsIProperties);
var configFile = fileLocator.get("ProfD", Components.interfaces.nsIFile);
configFile.append("testConfig.js");
if (!configFile.exists())
return {};
var fileInStream = Components.classes["@mozilla.org/network/file-input-stream;1"].
createInstance(Components.interfaces.nsIFileInputStream);
fileInStream.init(configFile, -1, 0, 0);
var str = NetUtil.readInputStreamToString(fileInStream, fileInStream.available());
fileInStream.close();
return JSON.parse(str);
}
function getTestList() {
var params = {};
if (window.parseQueryString) {
params = parseQueryString(location.search.substring(1), true);
}
var config = readConfig();
for (p in params) {
if (params[p] == 1) {
config[p] = true;
} else if (params[p] == 0) {
config[p] = false;
} else {
config[p] = params[p];
}
}
params = config;
var baseurl = 'chrome://mochitests/content';
var testsURI = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties)
.get("ProfD", Components.interfaces.nsILocalFile);
testsURI.append("tests.manifest");
var ioSvc = Components.classes["@mozilla.org/network/io-service;1"].
getService(Components.interfaces.nsIIOService);
var manifestFile = ioSvc.newFileURI(testsURI)
.QueryInterface(Components.interfaces.nsIFileURL).file;
Components.manager.QueryInterface(Components.interfaces.nsIComponentRegistrar).
autoRegister(manifestFile);
// load server.js in so we can share template functions
var scriptLoader = Cc["@mozilla.org/moz/jssubscript-loader;1"].
getService(Ci.mozIJSSubScriptLoader);
var srvScope = {};
scriptLoader.loadSubScript('chrome://mochikit/content/server.js',
srvScope);
var singleTestPath;
var links;
if (getResolvedURI(baseurl).JARFile) {
[links, singleTestPath] = getMochitestJarListing(baseurl, params.testPath, params.testRoot);
} else {
[links, singleTestPath] = getFileListing(baseurl, params.testPath, params.testRoot, srvScope);
}
return [links, singleTestPath];
}