The Tor Browser / file comparison
comparison: addon-sdk/source/test/test-require.js
addon-sdk/source/test/test-require.js
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
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| -1:000000000000 | 0:37e6c6a1210f |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 'use strict'; | |
| 6 | |
| 7 const traceback = require('sdk/console/traceback'); | |
| 8 const REQUIRE_LINE_NO = 30; | |
| 9 | |
| 10 exports.test_no_args = function(assert) { | |
| 11 let passed = tryRequireModule(assert); | |
| 12 assert.ok(passed, 'require() with no args should raise helpful error'); | |
| 13 }; | |
| 14 | |
| 15 exports.test_invalid_sdk_module = function (assert) { | |
| 16 let passed = tryRequireModule(assert, 'sdk/does-not-exist'); | |
| 17 assert.ok(passed, 'require() with an invalid sdk module should raise'); | |
| 18 }; | |
| 19 | |
| 20 exports.test_invalid_relative_module = function (assert) { | |
| 21 let passed = tryRequireModule(assert, './does-not-exist'); | |
| 22 assert.ok(passed, 'require() with an invalid relative module should raise'); | |
| 23 }; | |
| 24 | |
| 25 | |
| 26 function tryRequireModule(assert, module) { | |
| 27 let passed = false; | |
| 28 try { | |
| 29 // This line number is important, referenced in REQUIRE_LINE_NO | |
| 30 let doesNotExist = require(module); | |
| 31 } catch(e) { | |
| 32 checkError(assert, module, e); | |
| 33 passed = true; | |
| 34 } | |
| 35 return passed; | |
| 36 } | |
| 37 | |
| 38 function checkError (assert, name, e) { | |
| 39 let msg = e.toString(); | |
| 40 if (name) { | |
| 41 assert.ok(/is not found at/.test(msg), | |
| 42 'Error message indicates module not found'); | |
| 43 assert.ok(msg.indexOf(name.replace(/\./g,'')) > -1, | |
| 44 'Error message has the invalid module name in the message'); | |
| 45 } | |
| 46 else { | |
| 47 assert.equal(msg.indexOf('Error: you must provide a module name when calling require() from '), 0); | |
| 48 assert.ok(msg.indexOf("test-require") !== -1, msg); | |
| 49 } | |
| 50 | |
| 51 // we'd also like to assert that the right filename | |
| 52 // and linenumber is in the stacktrace | |
| 53 let tb = traceback.fromException(e); | |
| 54 // Get the second to last frame, as the last frame is inside | |
| 55 // toolkit/loader | |
| 56 let lastFrame = tb[tb.length-2]; | |
| 57 assert.ok(lastFrame.fileName.indexOf("test-require.js") !== -1, | |
| 58 'Filename found in stacktrace'); | |
| 59 assert.equal(lastFrame.lineNumber, REQUIRE_LINE_NO, | |
| 60 'stacktrace has correct line number'); | |
| 61 } | |
| 62 | |
| 63 require('test').run(exports); |
