1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
|
<!DOCTYPE html>
<html>
<!--
Copyright 2009 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<!--
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.testing.stacktrace</title>
<script src="../base.js"></script>
<script>
goog.require('goog.string');
goog.require('goog.testing.ExpectedFailures');
goog.require('goog.testing.PropertyReplacer');
goog.require('goog.testing.StrictMock');
goog.require('goog.testing.asserts');
goog.require('goog.testing.jsunit');
goog.require('goog.testing.stacktrace');
goog.require('goog.userAgent');
</script>
</head>
<body>
<script>
var stubs = new goog.testing.PropertyReplacer();
var expectedFailures = new goog.testing.ExpectedFailures();
function setUp() {
stubs.set(goog.testing.stacktrace, 'isClosureInspectorActive_', function() {
return false;
});
}
function tearDown() {
stubs.reset();
expectedFailures.handleTearDown();
}
function testParseStackFrameInChrome() {
var frameString = ' at Error (unknown source)';
var frame = goog.testing.stacktrace.parseStackFrame_(frameString);
var expected = new goog.testing.stacktrace.Frame('', 'Error', '', '', '');
assertObjectEquals('exception name only', expected, frame);
frameString = ' at Object.assert (file:///.../asserts.js:29:10)';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('Object', 'assert', '', '',
'file:///.../asserts.js:29:10')
assertObjectEquals('context object + function name + url', expected, frame);
frameString = ' at http://www.example.com/jsunit.js:117:13';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', '', '', '',
'http://www.example.com/jsunit.js:117:13');
assertObjectEquals('url only', expected, frame);
frameString = ' at [object Object].exec [as execute] (file:///foo)';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('[object Object]', 'exec',
'execute', '', 'file:///foo');
assertObjectEquals('function alias', expected, frame);
frameString = ' at new Class (file:///foo)';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', 'new Class', '', '',
'file:///foo');
assertObjectEquals('constructor call', expected, frame);
frameString = ' at new <anonymous> (file:///foo)';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', 'new <anonymous>', '', '',
'file:///foo');
assertObjectEquals('anonymous constructor call', expected, frame);
frameString = ' at Array.forEach (native)';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('Array', 'forEach', '', '', '');
assertObjectEquals('native function call', expected, frame);
frameString = ' at foo (eval at file://bar)';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', 'foo', '', '', 'file://bar');
assertObjectEquals('eval', expected, frame);
}
function testParseStackFrameInOpera() {
var frameString = '@';
var frame = goog.testing.stacktrace.parseStackFrame_(frameString);
var expected = new goog.testing.stacktrace.Frame('', '', '', '', '');
assertObjectEquals('empty frame', expected, frame);
frameString = '@javascript:console.log(Error().stack):1';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', '', '', '',
'javascript:console.log(Error().stack):1');
assertObjectEquals('javascript path only', expected, frame);
frameString = '@file:///foo:42';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', '', '', '',
'file:///foo:42');
assertObjectEquals('path only', expected, frame);
// (function go() { throw Error() })()
// var c = go; c()
frameString = 'go([arguments not available])@';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', 'go', '',
'([arguments not available])', '');
assertObjectEquals('name and empty path', expected, frame);
frameString = 'go([arguments not available])@file:///foo:42';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', 'go', '',
'([arguments not available])', 'file:///foo:42');
assertObjectEquals('name and path', expected, frame);
// (function() { throw Error() })()
frameString =
'<anonymous function>([arguments not available])@file:///foo:42';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', '', '',
'([arguments not available])', 'file:///foo:42');
assertObjectEquals('anonymous function', expected, frame);
// var b = {foo: function() { throw Error() }}
frameString = '<anonymous function: foo>()@file:///foo:42';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame(
'', 'foo', '', '()', 'file:///foo:42');
assertObjectEquals('object literal function', expected, frame);
// var c = {}; c.foo = function() { throw Error() }
frameString = '<anonymous function: c.foo>()@file:///foo:42';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame(
'c', 'foo', '', '()', 'file:///foo:42');
assertObjectEquals('named object literal function', expected, frame);
frameString = '<anonymous function: Foo.prototype.bar>()@';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame(
'Foo.prototype', 'bar', '', '()', '');
assertObjectEquals('prototype function', expected, frame);
frameString = '<anonymous function: goog.Foo.prototype.bar>()@';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame(
'goog.Foo.prototype', 'bar', '', '()', '');
assertObjectEquals('namespaced prototype function', expected, frame);
}
// All test strings are parsed with the conventional and long
// frame algorithms.
function testParseStackFrameInFirefox() {
var frameString = 'Error("Assertion failed")@:0';
var frame = goog.testing.stacktrace.parseStackFrame_(frameString);
var expected = new goog.testing.stacktrace.Frame('', 'Error', '',
'("Assertion failed")', '');
assertObjectEquals('function name + arguments', expected, frame);
frame = goog.testing.stacktrace.parseLongFirefoxFrame_(frameString);
assertObjectEquals('function name + arguments', expected, frame);
frameString = '()@file:///foo:42';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', '', '', '()',
'file:///foo:42');
assertObjectEquals('anonymous function', expected, frame);
frame = goog.testing.stacktrace.parseLongFirefoxFrame_(frameString);
assertObjectEquals('anonymous function', expected, frame);
frameString = '@javascript:alert(0)';
frame = goog.testing.stacktrace.parseStackFrame_(frameString);
expected = new goog.testing.stacktrace.Frame('', '', '', '',
'javascript:alert(0)');
assertObjectEquals('anonymous function', expected, frame);
frame = goog.testing.stacktrace.parseLongFirefoxFrame_(frameString);
assertObjectEquals('anonymous function', expected, frame);
}
function testCanonicalizeFrame() {
var frame = new goog.testing.stacktrace.Frame('<window>', 'foo', 'bar',
'("<a>\'&")', 'http://x?a=1&b=2:1');
assertEquals('canonical stack frame, everything is escaped',
'<window>.foo("<a>\'&amp;") ' +
'[as bar] at http://x?a=1&b=2:1', frame.toCanonicalString());
}
function testCanonicalizeFrameWithClosureInspector() {
stubs.set(goog.testing.stacktrace, 'isClosureInspectorActive_', function() {
return true;
});
var frame = new goog.testing.stacktrace.Frame('', 'foo', '', '()',
'http://x?a=1&b=2:1');
assertEquals('canonical stack frame with closure inspector link',
'foo() at <a href="" onclick="CLOSURE_INSPECTOR___.showLine(' +
'\'http://x?a=1&b=2:1\', \'1\'); return false">' +
'http://x?a=1&b=2:1<' + '/a>',
frame.toCanonicalString());
}
function testDeobfuscateFunctionName() {
goog.testing.stacktrace.setDeobfuscateFunctionName(function(name) {
return name.replace(/\$/g, '.');
});
var frame = new goog.testing.stacktrace.Frame('', 'a$b$c', 'd$e', '', '');
assertEquals('deobfuscated function name', 'a.b.c [as d.e]',
frame.toCanonicalString());
}
function testFramesToString() {
var normalFrame = new goog.testing.stacktrace.Frame('', 'foo', '', '', '');
var anonFrame = new goog.testing.stacktrace.Frame('', '', '', '', '');
var frames = [normalFrame, anonFrame, null, anonFrame];
var stack = goog.testing.stacktrace.framesToString_(frames);
assertEquals('framesToString', '> foo\n> anonymous\n> (unknown)\n', stack);
}
function testFollowCallChain() {
var func = function(var_args) {
return goog.testing.stacktrace.followCallChain_();
};
// Created a fake type with a toString method.
function LocalType() {};
LocalType.prototype.toString = function() {
return 'sg';
};
// Create a mock with no expectations.
var mock = new goog.testing.StrictMock(LocalType);
mock.$replay();
var frames = func(undefined, null, false, 0, '', {}, goog.nullFunction,
mock, new LocalType);
// Opera before version 10 doesn't support the caller attribute. In that
// browser followCallChain_() returns empty stack trace.
expectedFailures.expectFailureFor(goog.userAgent.OPERA &&
!goog.userAgent.isVersion('10'));
try {
assertTrue('The stack trace consists of >=2 frames', frames.length >= 2)
} catch (e) {
expectedFailures.handleException(e);
}
if (frames.length >= 2) {
assertEquals('innermost function is anonymous', '', frames[0].getName());
// There are white space differences how browsers convert functions to
// strings.
var expected = '(undefined,null,false,0,"",[objectObject],function(){},' +
'goog.testing.Mock,sg)';
assertEquals('arguments of the innermost function (ignoring whitespaces)',
expected, frames[0].args_.replace(/\s/g, ''));
assertEquals('test function name', 'testFollowCallChain',
frames[1].getName());
}
mock.$verify();
}
// Create a stack trace string with one modest record and one long record,
// Verify that all frames are parsed. The length of the long arg is set
// to blow Firefox 3x's stack if put through a RegExp.
function testParsingLongStackTrace() {
var longArg = goog.string.buildString(
'(', goog.string.repeat('x', 1000000), ')');
var stackTrace = goog.string.buildString(
'shortFrame()@:0\n',
'longFrame',
longArg,
'@http://google.com/somescript:0\n');
var frames = goog.testing.stacktrace.parse_(stackTrace);
assertEquals('number of returned frames', 2, frames.length);
var expected = new goog.testing.stacktrace.Frame(
'', 'shortFrame', '', '()', '');
assertObjectEquals('short frame', expected, frames[0]);
expected = new goog.testing.stacktrace.Frame(
'', 'longFrame', '', longArg, 'http://google.com/somescript:0');
assertObjectEquals('exception name only', expected, frames[1]);
}
</script>
</body>
</html>
|
