summaryrefslogtreecommitdiffstats
path: root/googlemock/test/gmock_leak_test.py
blob: a2fee4b6d7f0d8dd3e5bbfb7baddb89de7e27f4f (plain)
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
#!/usr/bin/env python
#
# Copyright 2009, 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.

"""Tests that leaked mock objects can be caught be Google Mock."""

__author__ = 'wan@google.com (Zhanyong Wan)'

import gmock_test_utils

PROGRAM_PATH = gmock_test_utils.GetTestExecutablePath('gmock_leak_test_')
TEST_WITH_EXPECT_CALL = [PROGRAM_PATH, '--gtest_filter=*ExpectCall*']
TEST_WITH_ON_CALL = [PROGRAM_PATH, '--gtest_filter=*OnCall*']
TEST_MULTIPLE_LEAKS = [PROGRAM_PATH, '--gtest_filter=*MultipleLeaked*']

environ = gmock_test_utils.environ
SetEnvVar = gmock_test_utils.SetEnvVar

# Tests in this file run a Google-Test-based test program and expect it
# to terminate prematurely.  Therefore they are incompatible with
# the premature-exit-file protocol by design.  Unset the
# premature-exit filepath to prevent Google Test from creating
# the file.
SetEnvVar(gmock_test_utils.PREMATURE_EXIT_FILE_ENV_VAR, None)


class GMockLeakTest(gmock_test_utils.TestCase):

  def testCatchesLeakedMockByDefault(self):
    self.assertNotEqual(
        0,
        gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL,
                                    env=environ).exit_code)
    self.assertNotEqual(
        0,
        gmock_test_utils.Subprocess(TEST_WITH_ON_CALL,
                                    env=environ).exit_code)

  def testDoesNotCatchLeakedMockWhenDisabled(self):
    self.assertEquals(
        0,
        gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL +
                                    ['--gmock_catch_leaked_mocks=0'],
                                    env=environ).exit_code)
    self.assertEquals(
        0,
        gmock_test_utils.Subprocess(TEST_WITH_ON_CALL +
                                    ['--gmock_catch_leaked_mocks=0'],
                                    env=environ).exit_code)

  def testCatchesLeakedMockWhenEnabled(self):
    self.assertNotEqual(
        0,
        gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL +
                                    ['--gmock_catch_leaked_mocks'],
                                    env=environ).exit_code)
    self.assertNotEqual(
        0,
        gmock_test_utils.Subprocess(TEST_WITH_ON_CALL +
                                    ['--gmock_catch_leaked_mocks'],
                                    env=environ).exit_code)

  def testCatchesLeakedMockWhenEnabledWithExplictFlagValue(self):
    self.assertNotEqual(
        0,
        gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL +
                                    ['--gmock_catch_leaked_mocks=1'],
                                    env=environ).exit_code)

  def testCatchesMultipleLeakedMocks(self):
    self.assertNotEqual(
        0,
        gmock_test_utils.Subprocess(TEST_MULTIPLE_LEAKS +
                                    ['--gmock_catch_leaked_mocks'],
                                    env=environ).exit_code)


if __name__ == '__main__':
  gmock_test_utils.Main()