addon-sdk/source/test/test-require.js@ac0c01689b40 (annotated)
addon-sdk/source/test/test-require.js
Thu, 15 Jan 2015 15:59:08 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 15:59:08 +0100
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
- permissions
- -rw-r--r--
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | 'use strict'; |
| michael@0 | 6 | |
| michael@0 | 7 | const traceback = require('sdk/console/traceback'); |
| michael@0 | 8 | const REQUIRE_LINE_NO = 30; |
| michael@0 | 9 | |
| michael@0 | 10 | exports.test_no_args = function(assert) { |
| michael@0 | 11 | let passed = tryRequireModule(assert); |
| michael@0 | 12 | assert.ok(passed, 'require() with no args should raise helpful error'); |
| michael@0 | 13 | }; |
| michael@0 | 14 | |
| michael@0 | 15 | exports.test_invalid_sdk_module = function (assert) { |
| michael@0 | 16 | let passed = tryRequireModule(assert, 'sdk/does-not-exist'); |
| michael@0 | 17 | assert.ok(passed, 'require() with an invalid sdk module should raise'); |
| michael@0 | 18 | }; |
| michael@0 | 19 | |
| michael@0 | 20 | exports.test_invalid_relative_module = function (assert) { |
| michael@0 | 21 | let passed = tryRequireModule(assert, './does-not-exist'); |
| michael@0 | 22 | assert.ok(passed, 'require() with an invalid relative module should raise'); |
| michael@0 | 23 | }; |
| michael@0 | 24 | |
| michael@0 | 25 | |
| michael@0 | 26 | function tryRequireModule(assert, module) { |
| michael@0 | 27 | let passed = false; |
| michael@0 | 28 | try { |
| michael@0 | 29 | // This line number is important, referenced in REQUIRE_LINE_NO |
| michael@0 | 30 | let doesNotExist = require(module); |
| michael@0 | 31 | } catch(e) { |
| michael@0 | 32 | checkError(assert, module, e); |
| michael@0 | 33 | passed = true; |
| michael@0 | 34 | } |
| michael@0 | 35 | return passed; |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | function checkError (assert, name, e) { |
| michael@0 | 39 | let msg = e.toString(); |
| michael@0 | 40 | if (name) { |
| michael@0 | 41 | assert.ok(/is not found at/.test(msg), |
| michael@0 | 42 | 'Error message indicates module not found'); |
| michael@0 | 43 | assert.ok(msg.indexOf(name.replace(/\./g,'')) > -1, |
| michael@0 | 44 | 'Error message has the invalid module name in the message'); |
| michael@0 | 45 | } |
| michael@0 | 46 | else { |
| michael@0 | 47 | assert.equal(msg.indexOf('Error: you must provide a module name when calling require() from '), 0); |
| michael@0 | 48 | assert.ok(msg.indexOf("test-require") !== -1, msg); |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | // we'd also like to assert that the right filename |
| michael@0 | 52 | // and linenumber is in the stacktrace |
| michael@0 | 53 | let tb = traceback.fromException(e); |
| michael@0 | 54 | // Get the second to last frame, as the last frame is inside |
| michael@0 | 55 | // toolkit/loader |
| michael@0 | 56 | let lastFrame = tb[tb.length-2]; |
| michael@0 | 57 | assert.ok(lastFrame.fileName.indexOf("test-require.js") !== -1, |
| michael@0 | 58 | 'Filename found in stacktrace'); |
| michael@0 | 59 | assert.equal(lastFrame.lineNumber, REQUIRE_LINE_NO, |
| michael@0 | 60 | 'stacktrace has correct line number'); |
| michael@0 | 61 | } |
| michael@0 | 62 | |
| michael@0 | 63 | require('test').run(exports); |
