gecko/testing/mochitest/chrome-harness.js

263 lines
8.4 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* 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);
}
//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);
var mydir = myURL.directory;
if (mydir.match('/$') != '/')
{
mydir += '/';
}
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)
if (!targetDir.exists()) {
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;
}
/*
* Take a relative path from the current mochitest file
* and returns the absolute path for the given test data file.
*/
function getTestFilePath(path) {
if (path[0] == "/") {
throw new Error("getTestFilePath only accepts relative path");
}
// Get the chrome/jar uri for the current mochitest file
// gTestPath being defined by the test harness in browser-chrome tests
// or window is being used for mochitest-browser
var baseURI = typeof(gTestPath) == "string" ? gTestPath : window.location.href;
var parentURI = getResolvedURI(getRootDirectory(baseURI));
var file;
if (parentURI.JARFile) {
// If it's a jar/zip, we have to extract it first
file = extractJarToTmp(parentURI);
} else {
// Otherwise, we can directly cast it to a file URI
var fileHandler = Components.classes["@mozilla.org/network/protocol;1?name=file"].
getService(Components.interfaces.nsIFileProtocolHandler);
file = fileHandler.getFileFromURLSpec(parentURI.spec);
}
// Then walk by the given relative path
path.split("/")
.forEach(function (p) {
if (p == "..") {
file = file.parent;
} else if (p != ".") {
file.append(p);
}
});
return file.path;
}
/*
* 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(filename) {
filename = filename || "testConfig.js";
var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"].
getService(Components.interfaces.nsIProperties);
var configFile = fileLocator.get("ProfD", Components.interfaces.nsIFile);
configFile.append(filename);
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(params, callback) {
var baseurl = 'chrome://mochitests/content';
if (window.parseQueryString) {
params = parseQueryString(location.search.substring(1), true);
}
if (!params.baseurl) {
params.baseurl = baseurl;
}
var config = readConfig();
for (var 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;
getTestManifest("http://mochi.test:8888/" + params.manifestFile, params, callback);
return;
}