toolkit/components/osfile/tests/xpcshell/head.js@6474c204b198 (annotated)
toolkit/components/osfile/tests/xpcshell/head.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* Any copyright is dedicated to the Public Domain. |
| michael@0 | 2 | * http://creativecommons.org/publicdomain/zero/1.0/ */ |
| michael@0 | 3 | |
| michael@0 | 4 | "use strict"; |
| michael@0 | 5 | |
| michael@0 | 6 | let {utils: Cu, interfaces: Ci} = Components; |
| michael@0 | 7 | |
| michael@0 | 8 | let {OS} = Cu.import("resource://gre/modules/osfile.jsm", {}); |
| michael@0 | 9 | let {Services} = Cu.import("resource://gre/modules/Services.jsm", {}); |
| michael@0 | 10 | let {Promise} = Cu.import("resource://gre/modules/Promise.jsm", {}); |
| michael@0 | 11 | let {Task} = Cu.import("resource://gre/modules/Task.jsm", {}); |
| michael@0 | 12 | let {FileUtils} = Cu.import("resource://gre/modules/FileUtils.jsm", {}); |
| michael@0 | 13 | let {NetUtil} = Cu.import("resource://gre/modules/NetUtil.jsm", {}); |
| michael@0 | 14 | |
| michael@0 | 15 | Services.prefs.setBoolPref("toolkit.osfile.log", true); |
| michael@0 | 16 | |
| michael@0 | 17 | /** |
| michael@0 | 18 | * As add_task, but execute the test both with native operations and |
| michael@0 | 19 | * without. |
| michael@0 | 20 | */ |
| michael@0 | 21 | function add_test_pair(generator) { |
| michael@0 | 22 | add_task(function*() { |
| michael@0 | 23 | do_print("Executing test " + generator.name + " with native operations"); |
| michael@0 | 24 | Services.prefs.setBoolPref("toolkit.osfile.native", true); |
| michael@0 | 25 | return Task.spawn(generator); |
| michael@0 | 26 | }); |
| michael@0 | 27 | add_task(function*() { |
| michael@0 | 28 | do_print("Executing test " + generator.name + " without native operations"); |
| michael@0 | 29 | Services.prefs.setBoolPref("toolkit.osfile.native", false); |
| michael@0 | 30 | return Task.spawn(generator); |
| michael@0 | 31 | }); |
| michael@0 | 32 | } |
| michael@0 | 33 | |
| michael@0 | 34 | /** |
| michael@0 | 35 | * Fetch asynchronously the contents of a file using xpcom. |
| michael@0 | 36 | * |
| michael@0 | 37 | * Used for comparing xpcom-based results to os.file-based results. |
| michael@0 | 38 | * |
| michael@0 | 39 | * @param {string} path The _absolute_ path to the file. |
| michael@0 | 40 | * @return {promise} |
| michael@0 | 41 | * @resolves {string} The contents of the file. |
| michael@0 | 42 | */ |
| michael@0 | 43 | function reference_fetch_file(path, test) { |
| michael@0 | 44 | do_print("Fetching file " + path); |
| michael@0 | 45 | let deferred = Promise.defer(); |
| michael@0 | 46 | let file = new FileUtils.File(path); |
| michael@0 | 47 | NetUtil.asyncFetch(file, |
| michael@0 | 48 | function(stream, status) { |
| michael@0 | 49 | if (!Components.isSuccessCode(status)) { |
| michael@0 | 50 | deferred.reject(status); |
| michael@0 | 51 | return; |
| michael@0 | 52 | } |
| michael@0 | 53 | let result, reject; |
| michael@0 | 54 | try { |
| michael@0 | 55 | result = NetUtil.readInputStreamToString(stream, stream.available()); |
| michael@0 | 56 | } catch (x) { |
| michael@0 | 57 | reject = x; |
| michael@0 | 58 | } |
| michael@0 | 59 | stream.close(); |
| michael@0 | 60 | if (reject) { |
| michael@0 | 61 | deferred.reject(reject); |
| michael@0 | 62 | } else { |
| michael@0 | 63 | deferred.resolve(result); |
| michael@0 | 64 | } |
| michael@0 | 65 | }); |
| michael@0 | 66 | return deferred.promise; |
| michael@0 | 67 | }; |
| michael@0 | 68 | |
| michael@0 | 69 | /** |
| michael@0 | 70 | * Compare asynchronously the contents two files using xpcom. |
| michael@0 | 71 | * |
| michael@0 | 72 | * Used for comparing xpcom-based results to os.file-based results. |
| michael@0 | 73 | * |
| michael@0 | 74 | * @param {string} a The _absolute_ path to the first file. |
| michael@0 | 75 | * @param {string} b The _absolute_ path to the second file. |
| michael@0 | 76 | * |
| michael@0 | 77 | * @resolves {null} |
| michael@0 | 78 | */ |
| michael@0 | 79 | function reference_compare_files(a, b, test) { |
| michael@0 | 80 | return Task.spawn(function*() { |
| michael@0 | 81 | do_print("Comparing files " + a + " and " + b); |
| michael@0 | 82 | let a_contents = yield reference_fetch_file(a, test); |
| michael@0 | 83 | let b_contents = yield reference_fetch_file(b, test); |
| michael@0 | 84 | do_check_eq(a_contents, b_contents); |
| michael@0 | 85 | }); |
| michael@0 | 86 | }; |
