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/. */
7 const traceback = require('sdk/console/traceback');
8 const REQUIRE_LINE_NO = 30;
10 exports.test_no_args = function(assert) {
11 let passed = tryRequireModule(assert);
12 assert.ok(passed, 'require() with no args should raise helpful error');
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');
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');
26 function tryRequireModule(assert, module) {
29 // This line number is important, referenced in REQUIRE_LINE_NO
30 let doesNotExist = require(module);
32 checkError(assert, module, e);
38 function checkError (assert, name, e) {
39 let msg = e.toString();
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');
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);
51 // we'd also like to assert that the right filename
52 // and linenumber is in the stacktrace
53 let tb = traceback.fromException(e);
55 // The last frame may be inside a loader
56 let lastFrame = tb[tb.length - 1];
57 if (lastFrame.fileName.indexOf("toolkit/loader.js") !== -1 ||
58 lastFrame.fileName.indexOf("sdk/loader/cuddlefish.js") !== -1)
59 lastFrame = tb[tb.length - 2];
61 assert.ok(lastFrame.fileName.indexOf("test-require.js") !== -1,
62 'Filename found in stacktrace');
63 assert.equal(lastFrame.lineNumber, REQUIRE_LINE_NO,
64 'stacktrace has correct line number');
67 require('test').run(exports);