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
|
# Copyright (C) 2010 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import base
import os
import StringIO
import sys
import tempfile
import unittest
from webkitpy.common.system.executive import Executive, ScriptError
from webkitpy.thirdparty.mock import Mock
# FIXME: This makes StringIO objects work with "with". Remove
# when we upgrade to 2.6.
class NewStringIO(StringIO.StringIO):
def __enter__(self):
return self
def __exit__(self, type, value, traceback):
pass
class MockExecutive():
def __init__(self, exception):
self._exception = exception
def run_command(self, *args, **kwargs):
raise self._exception
class UnitTestPort(base.Port):
"""Subclass of base.Port used for unit testing."""
def __init__(self, configuration_contents=None, executive_exception=None):
base.Port.__init__(self)
self._configuration_contents = configuration_contents
if executive_exception:
self._executive = MockExecutive(executive_exception)
def _open_configuration_file(self):
if self._configuration_contents:
return NewStringIO(self._configuration_contents)
return base.Port._open_configuration_file(self)
class PortTest(unittest.TestCase):
def test_format_wdiff_output_as_html(self):
output = "OUTPUT %s %s %s" % (base.Port._WDIFF_DEL, base.Port._WDIFF_ADD, base.Port._WDIFF_END)
html = base.Port()._format_wdiff_output_as_html(output)
expected_html = "<head><style>.del { background: #faa; } .add { background: #afa; }</style></head><pre>OUTPUT <span class=del> <span class=add> </span></pre>"
self.assertEqual(html, expected_html)
def test_wdiff_command(self):
port = base.Port()
port._path_to_wdiff = lambda: "/path/to/wdiff"
command = port._wdiff_command("/actual/path", "/expected/path")
expected_command = [
"/path/to/wdiff",
"--start-delete=##WDIFF_DEL##",
"--end-delete=##WDIFF_END##",
"--start-insert=##WDIFF_ADD##",
"--end-insert=##WDIFF_END##",
"/actual/path",
"/expected/path",
]
self.assertEqual(command, expected_command)
def _file_with_contents(self, contents, encoding="utf-8"):
new_file = tempfile.NamedTemporaryFile()
new_file.write(contents.encode(encoding))
new_file.flush()
return new_file
def test_pretty_patch_os_error(self):
port = UnitTestPort(executive_exception=OSError)
self.assertEqual(port.pretty_patch_text("patch.txt"),
port._pretty_patch_error_html)
# This tests repeated calls to make sure we cache the result.
self.assertEqual(port.pretty_patch_text("patch.txt"),
port._pretty_patch_error_html)
def test_pretty_patch_script_error(self):
# FIXME: This is some ugly white-box test hacking ...
base._pretty_patch_available = True
port = UnitTestPort(executive_exception=ScriptError)
self.assertEqual(port.pretty_patch_text("patch.txt"),
port._pretty_patch_error_html)
# This tests repeated calls to make sure we cache the result.
self.assertEqual(port.pretty_patch_text("patch.txt"),
port._pretty_patch_error_html)
def test_run_wdiff(self):
executive = Executive()
# This may fail on some systems. We could ask the port
# object for the wdiff path, but since we don't know what
# port object to use, this is sufficient for now.
try:
wdiff_path = executive.run_command(["which", "wdiff"]).rstrip()
except Exception, e:
wdiff_path = None
port = base.Port()
port._path_to_wdiff = lambda: wdiff_path
if wdiff_path:
# "with tempfile.NamedTemporaryFile() as actual" does not seem to work in Python 2.5
actual = self._file_with_contents(u"foo")
expected = self._file_with_contents(u"bar")
wdiff = port._run_wdiff(actual.name, expected.name)
expected_wdiff = "<head><style>.del { background: #faa; } .add { background: #afa; }</style></head><pre><span class=del>foo</span><span class=add>bar</span></pre>"
self.assertEqual(wdiff, expected_wdiff)
# Running the full wdiff_text method should give the same result.
base._wdiff_available = True # In case it's somehow already disabled.
wdiff = port.wdiff_text(actual.name, expected.name)
self.assertEqual(wdiff, expected_wdiff)
# wdiff should still be available after running wdiff_text with a valid diff.
self.assertTrue(base._wdiff_available)
actual.close()
expected.close()
# Bogus paths should raise a script error.
self.assertRaises(ScriptError, port._run_wdiff, "/does/not/exist", "/does/not/exist2")
self.assertRaises(ScriptError, port.wdiff_text, "/does/not/exist", "/does/not/exist2")
# wdiff will still be available after running wdiff_text with invalid paths.
self.assertTrue(base._wdiff_available)
base._wdiff_available = True
# If wdiff does not exist _run_wdiff should throw an OSError.
port._path_to_wdiff = lambda: "/invalid/path/to/wdiff"
self.assertRaises(OSError, port._run_wdiff, "foo", "bar")
# wdiff_text should not throw an error if wdiff does not exist.
self.assertEqual(port.wdiff_text("foo", "bar"), "")
# However wdiff should not be available after running wdiff_text if wdiff is missing.
self.assertFalse(base._wdiff_available)
base._wdiff_available = True
def test_default_configuration_notfound(self):
port = UnitTestPort()
self.assertEqual(port.default_configuration(), "Release")
def test_layout_tests_skipping(self):
port = base.Port()
port.skipped_layout_tests = lambda: ['foo/bar.html', 'media']
self.assertTrue(port.skips_layout_test('foo/bar.html'))
self.assertTrue(port.skips_layout_test('media/video-zoom.html'))
self.assertFalse(port.skips_layout_test('foo/foo.html'))
def test_default_configuration_found(self):
port = UnitTestPort(configuration_contents="Debug")
self.assertEqual(port.default_configuration(), "Debug")
def test_default_configuration_unknown(self):
port = UnitTestPort(configuration_contents="weird_value")
self.assertEqual(port.default_configuration(), "weird_value")
def test_setup_test_run(self):
port = base.Port()
# This routine is a no-op. We just test it for coverage.
port.setup_test_run()
class VirtualTest(unittest.TestCase):
"""Tests that various methods expected to be virtual are."""
def assertVirtual(self, method, *args, **kwargs):
self.assertRaises(NotImplementedError, method, *args, **kwargs)
def test_virtual_methods(self):
port = base.Port()
self.assertVirtual(port.baseline_path)
self.assertVirtual(port.baseline_search_path)
self.assertVirtual(port.check_build, None)
self.assertVirtual(port.check_image_diff)
self.assertVirtual(port.create_driver, None, None)
self.assertVirtual(port.diff_image, None, None)
self.assertVirtual(port.path_to_test_expectations_file)
self.assertVirtual(port.test_platform_name)
self.assertVirtual(port.results_directory)
self.assertVirtual(port.show_html_results_file, None)
self.assertVirtual(port.test_expectations)
self.assertVirtual(port.test_base_platform_names)
self.assertVirtual(port.test_platform_name)
self.assertVirtual(port.test_platforms)
self.assertVirtual(port.test_platform_name_to_name, None)
self.assertVirtual(port.version)
self.assertVirtual(port._path_to_apache)
self.assertVirtual(port._path_to_apache_config_file)
self.assertVirtual(port._path_to_driver)
self.assertVirtual(port._path_to_helper)
self.assertVirtual(port._path_to_image_diff)
self.assertVirtual(port._path_to_lighttpd)
self.assertVirtual(port._path_to_lighttpd_modules)
self.assertVirtual(port._path_to_lighttpd_php)
self.assertVirtual(port._path_to_wdiff)
self.assertVirtual(port._shut_down_http_server, None)
def test_virtual_driver_method(self):
self.assertRaises(NotImplementedError, base.Driver, base.Port, "", None)
self.assertVirtual(base.Driver, base.Port, "", None)
def test_virtual_driver_methods(self):
class VirtualDriver(base.Driver):
def __init__(self):
pass
driver = VirtualDriver()
self.assertVirtual(driver.run_test, None, None, None)
self.assertVirtual(driver.poll)
self.assertVirtual(driver.stop)
class DriverTest(unittest.TestCase):
def _assert_wrapper(self, wrapper_string, expected_wrapper):
wrapper = base.Driver._command_wrapper(wrapper_string)
self.assertEqual(wrapper, expected_wrapper)
def test_command_wrapper(self):
self._assert_wrapper(None, [])
self._assert_wrapper("valgrind", ["valgrind"])
# Validate that shlex works as expected.
command_with_spaces = "valgrind --smc-check=\"check with spaces!\" --foo"
expected_parse = ["valgrind", "--smc-check=check with spaces!", "--foo"]
self._assert_wrapper(command_with_spaces, expected_parse)
if __name__ == '__main__':
unittest.main()
|
