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
|
#!/usr/bin/env python
# Copyright (c) 2010 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unit tests for coverage_posix.py.
Run a single test with a command such as:
./coverage_posix_unittest.py CoveragePosixTest.testFindTestsAsArgs
Waring that running a single test like that may interfere with the arg
parsing tests, since coverage_posix.py uses optparse.OptionParser()
which references globals.
"""
import coverage_posix as coverage
import os
import sys
import tempfile
import unittest
class CoveragePosixTest(unittest.TestCase):
def setUp(self):
self.parseArgs()
self.sample_test_names = ['zippy_tests', '../base/base.gyp:base_unittests']
def confirmSampleTestsArePresent(self, tests):
"""Confirm the tests in self.sample_test_names are in some form in 'tests'.
The Coverage object can munge them (e.g. add .exe to the end as needed.
Helper function for arg parsing, bundle file tests.
Args:
tests: the parsed tests from a Coverage object.
"""
for simple_test_name in ('zippy_tests', 'base_unittests'):
found = False
for item in tests:
if simple_test_name in item:
found = True
break
self.assertTrue(found)
for not_test_name in ('kablammo', 'not_a_unittest'):
found = False
for item in tests:
if not_test_name in item:
found = True
break
self.assertFalse(found)
def parseArgs(self):
"""Setup and process arg parsing."""
self.parser = coverage.CoverageOptionParser()
(self.options, self.args) = self.parser.parse_args()
self.options.directory = '.'
def testSanity(self):
"""Sanity check we're able to actually run the tests.
Simply creating a Coverage instance checks a few things (e.g. on
Windows that the coverage tools can be found)."""
c = coverage.Coverage(self.options, self.args)
def testRunBasicProcess(self):
"""Test a simple run of a subprocess."""
c = coverage.Coverage(self.options, self.args)
for code in range(2):
retcode = c.Run([sys.executable, '-u', '-c',
'import sys; sys.exit(%d)' % code],
ignore_error=True)
self.assertEqual(code, retcode)
def testRunSlowProcess(self):
"""Test program which prints slowly but doesn't hit our timeout.
Overall runtime is longer than the timeout but output lines
trickle in keeping things alive.
"""
self.options.timeout = 2.5
c = coverage.Coverage(self.options, self.args)
slowscript = ('import sys, time\n'
'for x in range(10):\n'
' time.sleep(0.5)\n'
' print "hi mom"\n'
'sys.exit(0)\n')
retcode = c.Run([sys.executable, '-u', '-c', slowscript])
self.assertEqual(0, retcode)
def testRunExcessivelySlowProcess(self):
"""Test program which DOES hit our timeout.
Initial lines should print but quickly it takes too long and
should be killed.
"""
self.options.timeout = 2.5
c = coverage.Coverage(self.options, self.args)
slowscript = ('import time\n'
'for x in range(1,10):\n'
' print "sleeping for %d" % x\n'
' time.sleep(x)\n')
self.assertRaises(Exception,
c.Run,
[sys.executable, '-u', '-c', slowscript])
def testFindTestsAsArgs(self):
"""Test finding of tests passed as args."""
self.args += '--'
self.args += self.sample_test_names
c = coverage.Coverage(self.options, self.args)
c.FindTests()
self.confirmSampleTestsArePresent(c.tests)
def testFindTestsFromBundleFile(self):
"""Test finding of tests from a bundlefile."""
(fd, filename) = tempfile.mkstemp()
f = os.fdopen(fd, 'w')
f.write(str(self.sample_test_names))
f.close()
self.options.bundles = filename
c = coverage.Coverage(self.options, self.args)
c.FindTests()
self.confirmSampleTestsArePresent(c.tests)
os.unlink(filename)
def testExclusionList(self):
"""Test the gtest_filter exclusion list."""
c = coverage.Coverage(self.options, self.args)
self.assertFalse(c.GtestFilter('doesnotexist_test'))
fake_exclusions = { sys.platform: { 'foobar':
('a','b'),
'doesnotexist_test':
('Evil.Crash','Naughty.Test') } }
self.assertFalse(c.GtestFilter('barfoo'))
filter = c.GtestFilter('doesnotexist_test', fake_exclusions)
self.assertEquals('--gtest_filter=-Evil.Crash:-Naughty.Test', filter)
if __name__ == '__main__':
unittest.main()
|
