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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
'use strict';
const traceback = require('sdk/console/traceback');
const REQUIRE_LINE_NO = 29;
exports.test_no_args = function(assert) {
let passed = tryRequireModule(assert);
assert.ok(passed, 'require() with no args should raise helpful error');
};
exports.test_invalid_sdk_module = function (assert) {
let passed = tryRequireModule(assert, 'sdk/does-not-exist');
assert.ok(passed, 'require() with an invalid sdk module should raise');
};
exports.test_invalid_relative_module = function (assert) {
let passed = tryRequireModule(assert, './does-not-exist');
assert.ok(passed, 'require() with an invalid relative module should raise');
};
function tryRequireModule(assert, module) {
let passed = false;
try {
// This line number is important, referenced in REQUIRE_LINE_NO
let doesNotExist = require(module);
}
catch(e) {
checkError(assert, module, e);
passed = true;
}
return passed;
}
function checkError (assert, name, e) {
let msg = e.toString();
if (name) {
assert.ok(/is not found at/.test(msg),
'Error message indicates module not found');
assert.ok(msg.indexOf(name.replace(/\./g,'')) > -1,
'Error message has the invalid module name in the message');
}
else {
assert.equal(msg.indexOf('Error: You must provide a module name when calling require() from '), 0);
assert.ok(msg.indexOf("test-require") !== -1, msg);
}
// we'd also like to assert that the right filename
// and linenumber is in the stacktrace
let tb = traceback.fromException(e);
// The last frame may be inside a loader
let lastFrame = tb[tb.length - 1];
if (lastFrame.fileName.indexOf("toolkit/loader.js") !== -1 ||
lastFrame.fileName.indexOf("sdk/loader/cuddlefish.js") !== -1)
lastFrame = tb[tb.length - 2];
assert.ok(lastFrame.fileName.indexOf("test-require.js") !== -1,
'Filename found in stacktrace');
assert.equal(lastFrame.lineNumber, REQUIRE_LINE_NO,
'stacktrace has correct line number');
}
require('sdk/test').run(exports);
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