forked from mirrors/gecko-dev
2514f6e1e4
MozReview-Commit-ID: 786dBxzN3Uc --HG-- extra : rebase_source : bfb2c488d598f528bdbe0383051322c964fb1497
107 lines
3.1 KiB
JavaScript
107 lines
3.1 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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var {utils: Cu, interfaces: Ci} = Components;
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var {XPCOMUtils} = Cu.import("resource://gre/modules/XPCOMUtils.jsm", {});
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// Bug 1014484 can only be reproduced by loading OS.File first from the
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// CommonJS loader, so we do not want OS.File to be loaded eagerly for
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// all the tests in this directory.
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XPCOMUtils.defineLazyModuleGetter(this, "OS",
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"resource://gre/modules/osfile.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
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"resource://gre/modules/FileUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
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"resource://gre/modules/NetUtil.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Services",
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"resource://gre/modules/Services.jsm");
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Services.prefs.setBoolPref("toolkit.osfile.log", true);
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/**
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* As add_task, but execute the test both with native operations and
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* without.
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*/
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function add_test_pair(generator) {
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add_task(async function() {
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do_print("Executing test " + generator.name + " with native operations");
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Services.prefs.setBoolPref("toolkit.osfile.native", true);
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return generator();
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});
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add_task(async function() {
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do_print("Executing test " + generator.name + " without native operations");
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Services.prefs.setBoolPref("toolkit.osfile.native", false);
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return generator();
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});
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}
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/**
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* Fetch asynchronously the contents of a file using xpcom.
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*
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* Used for comparing xpcom-based results to os.file-based results.
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*
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* @param {string} path The _absolute_ path to the file.
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* @return {promise}
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* @resolves {string} The contents of the file.
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*/
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function reference_fetch_file(path, test) {
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do_print("Fetching file " + path);
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return new Promise((resolve, reject) => {
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let file = new FileUtils.File(path);
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NetUtil.asyncFetch({
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uri: NetUtil.newURI(file),
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loadUsingSystemPrincipal: true
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}, function(stream, status) {
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if (!Components.isSuccessCode(status)) {
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reject(status);
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return;
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}
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let result, reject;
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try {
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result = NetUtil.readInputStreamToString(stream, stream.available());
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} catch (x) {
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reject = x;
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}
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stream.close();
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if (reject) {
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reject(reject);
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} else {
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resolve(result);
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}
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});
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});
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};
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/**
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* Compare asynchronously the contents two files using xpcom.
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*
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* Used for comparing xpcom-based results to os.file-based results.
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*
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* @param {string} a The _absolute_ path to the first file.
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* @param {string} b The _absolute_ path to the second file.
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*
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* @resolves {null}
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*/
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function reference_compare_files(a, b, test) {
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return (async function() {
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do_print("Comparing files " + a + " and " + b);
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let a_contents = await reference_fetch_file(a, test);
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let b_contents = await reference_fetch_file(b, test);
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do_check_eq(a_contents, b_contents);
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})();
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};
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async function removeTestFile(filePath, ignoreNoSuchFile = true) {
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try {
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await OS.File.remove(filePath);
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} catch (ex) {
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if (!ignoreNoSuchFile || !ex.becauseNoSuchFile) {
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do_throw(ex);
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}
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}
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}
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