remoting/webapp/base/js/callstack_unittest.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /** @suppress {checkTypes|reportUnknownTypes} */
   6
   7 (function() {
   8
   9 'use strict';
  10
  11 QUnit.module('callstack');
  12
  13 QUnit.test('well-formed stack frames are parsed correctly', function(assert) {
  14   var tests = [
  15     // Function and URL both present.
  16     {
  17       error: {
  18         stack: 'Error\n    at function (chrome-extension://id/file.js:1:2)'
  19       },
  20       result: {
  21         fn: 'function',
  22         url: 'chrome-extension://id',
  23         file: 'file.js',
  24         line: 1,
  25         column: 2
  26       }
  27     },
  28     // Missing function.
  29     {
  30       error: {
  31         stack: 'Error\n    at chrome-extension://id/file.js:3:4'
  32       },
  33       result: {
  34         fn: '',
  35         url: 'chrome-extension://id',
  36         file: 'file.js',
  37         line: 3,
  38         column: 4
  39       }
  40     },
  41     // Missing URL.
  42     {
  43       error: {
  44         stack: 'Error\n    at function (file.js:5:6)'
  45       },
  46       result: {
  47         fn: 'function',
  48         url: '',
  49         file: 'file.js',
  50         line: 5,
  51         column: 6
  52       }
  53     },
  54     // Missing both function and URL.
  55     {
  56       error: { stack: 'Error\n    at <anonymous>:7:8' },
  57       result: {
  58         fn: '',
  59         url: '',
  60         file: '<anonymous>',
  61         line: 7,
  62         column: 8
  63       }
  64     }
  65   ];
  66
  67   for (var test of tests) {
  68     var callstack = new base.Callstack(test.error);
  69     assert.equal(callstack.callstack.length, 1);
  70     assert.equal(callstack.callstack[0].fn, test.result.fn);
  71     assert.equal(callstack.callstack[0].url, test.result.url);
  72     assert.equal(callstack.callstack[0].file, test.result.file);
  73     assert.equal(callstack.callstack[0].line, test.result.line);
  74     assert.equal(callstack.callstack[0].column, test.result.column);
  75   }
  76
  77 });
  78
  79 QUnit.test('line numbers are correct', function(assert) {
  80   var callstack1 = new base.Callstack();
  81   var callstack2 = new base.Callstack();
  82   assert.equal(callstack2.callstack[0].line, callstack1.callstack[0].line + 1);
  83 });
  84
  85 QUnit.test('toString() behaves as expected', function(assert) {
  86   var error = {
  87     stack: 'Error\n' +
  88            '    at fn1 (http://test.com/file1:1:2)\n' +
  89            '    at fn2 (file2:3:4)'
  90   };
  91   var callstack = new base.Callstack(error);
  92   assert.equal(callstack.toString(),
  93                'fn1 (http://test.com/file1:1:2)\nfn2 (file2:3:4)');
  94 });
  95
  96 })();