The Tor Browser / file comparison
comparison: toolkit/components/osfile/tests/xpcshell/head.js
toolkit/components/osfile/tests/xpcshell/head.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:dee8f802bef7 |
|---|---|
| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 "use strict"; | |
| 5 | |
| 6 let {utils: Cu, interfaces: Ci} = Components; | |
| 7 | |
| 8 let {OS} = Cu.import("resource://gre/modules/osfile.jsm", {}); | |
| 9 let {Services} = Cu.import("resource://gre/modules/Services.jsm", {}); | |
| 10 let {Promise} = Cu.import("resource://gre/modules/Promise.jsm", {}); | |
| 11 let {Task} = Cu.import("resource://gre/modules/Task.jsm", {}); | |
| 12 let {FileUtils} = Cu.import("resource://gre/modules/FileUtils.jsm", {}); | |
| 13 let {NetUtil} = Cu.import("resource://gre/modules/NetUtil.jsm", {}); | |
| 14 | |
| 15 Services.prefs.setBoolPref("toolkit.osfile.log", true); | |
| 16 | |
| 17 /** | |
| 18 * As add_task, but execute the test both with native operations and | |
| 19 * without. | |
| 20 */ | |
| 21 function add_test_pair(generator) { | |
| 22 add_task(function*() { | |
| 23 do_print("Executing test " + generator.name + " with native operations"); | |
| 24 Services.prefs.setBoolPref("toolkit.osfile.native", true); | |
| 25 return Task.spawn(generator); | |
| 26 }); | |
| 27 add_task(function*() { | |
| 28 do_print("Executing test " + generator.name + " without native operations"); | |
| 29 Services.prefs.setBoolPref("toolkit.osfile.native", false); | |
| 30 return Task.spawn(generator); | |
| 31 }); | |
| 32 } | |
| 33 | |
| 34 /** | |
| 35 * Fetch asynchronously the contents of a file using xpcom. | |
| 36 * | |
| 37 * Used for comparing xpcom-based results to os.file-based results. | |
| 38 * | |
| 39 * @param {string} path The _absolute_ path to the file. | |
| 40 * @return {promise} | |
| 41 * @resolves {string} The contents of the file. | |
| 42 */ | |
| 43 function reference_fetch_file(path, test) { | |
| 44 do_print("Fetching file " + path); | |
| 45 let deferred = Promise.defer(); | |
| 46 let file = new FileUtils.File(path); | |
| 47 NetUtil.asyncFetch(file, | |
| 48 function(stream, status) { | |
| 49 if (!Components.isSuccessCode(status)) { | |
| 50 deferred.reject(status); | |
| 51 return; | |
| 52 } | |
| 53 let result, reject; | |
| 54 try { | |
| 55 result = NetUtil.readInputStreamToString(stream, stream.available()); | |
| 56 } catch (x) { | |
| 57 reject = x; | |
| 58 } | |
| 59 stream.close(); | |
| 60 if (reject) { | |
| 61 deferred.reject(reject); | |
| 62 } else { | |
| 63 deferred.resolve(result); | |
| 64 } | |
| 65 }); | |
| 66 return deferred.promise; | |
| 67 }; | |
| 68 | |
| 69 /** | |
| 70 * Compare asynchronously the contents two files using xpcom. | |
| 71 * | |
| 72 * Used for comparing xpcom-based results to os.file-based results. | |
| 73 * | |
| 74 * @param {string} a The _absolute_ path to the first file. | |
| 75 * @param {string} b The _absolute_ path to the second file. | |
| 76 * | |
| 77 * @resolves {null} | |
| 78 */ | |
| 79 function reference_compare_files(a, b, test) { | |
| 80 return Task.spawn(function*() { | |
| 81 do_print("Comparing files " + a + " and " + b); | |
| 82 let a_contents = yield reference_fetch_file(a, test); | |
| 83 let b_contents = yield reference_fetch_file(b, test); | |
| 84 do_check_eq(a_contents, b_contents); | |
| 85 }); | |
| 86 }; |
