ut/gtest/googlemock/test/gmock_leak_test.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2009, Google Inc.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions are
   8 # met:
   9 #
  10 #     * Redistributions of source code must retain the above copyright
  11 # notice, this list of conditions and the following disclaimer.
  12 #     * Redistributions in binary form must reproduce the above
  13 # copyright notice, this list of conditions and the following disclaimer
  14 # in the documentation and/or other materials provided with the
  15 # distribution.
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  17 # contributors may be used to endorse or promote products derived from
  18 # this software without specific prior written permission.
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  20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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  30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31
  32 """Tests that leaked mock objects can be caught be Google Mock."""
  33
  34 __author__ = 'wan@google.com (Zhanyong Wan)'
  35
  36
  37 import gmock_test_utils
  38
  39
  40 PROGRAM_PATH = gmock_test_utils.GetTestExecutablePath('gmock_leak_test_')
  41 TEST_WITH_EXPECT_CALL = [PROGRAM_PATH, '--gtest_filter=*ExpectCall*']
  42 TEST_WITH_ON_CALL = [PROGRAM_PATH, '--gtest_filter=*OnCall*']
  43 TEST_MULTIPLE_LEAKS = [PROGRAM_PATH, '--gtest_filter=*MultipleLeaked*']
  44
  45 environ = gmock_test_utils.environ
  46 SetEnvVar = gmock_test_utils.SetEnvVar
  47
  48 # Tests in this file run a Google-Test-based test program and expect it
  49 # to terminate prematurely.  Therefore they are incompatible with
  50 # the premature-exit-file protocol by design.  Unset the
  51 # premature-exit filepath to prevent Google Test from creating
  52 # the file.
  53 SetEnvVar(gmock_test_utils.PREMATURE_EXIT_FILE_ENV_VAR, None)
  54
  55
  56 class GMockLeakTest(gmock_test_utils.TestCase):
  57
  58   def testCatchesLeakedMockByDefault(self):
  59     self.assertNotEqual(
  60         0,
  61         gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL,
  62                                     env=environ).exit_code)
  63     self.assertNotEqual(
  64         0,
  65         gmock_test_utils.Subprocess(TEST_WITH_ON_CALL,
  66                                     env=environ).exit_code)
  67
  68   def testDoesNotCatchLeakedMockWhenDisabled(self):
  69     self.assertEquals(
  70         0,
  71         gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL +
  72                                     ['--gmock_catch_leaked_mocks=0'],
  73                                     env=environ).exit_code)
  74     self.assertEquals(
  75         0,
  76         gmock_test_utils.Subprocess(TEST_WITH_ON_CALL +
  77                                     ['--gmock_catch_leaked_mocks=0'],
  78                                     env=environ).exit_code)
  79
  80   def testCatchesLeakedMockWhenEnabled(self):
  81     self.assertNotEqual(
  82         0,
  83         gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL +
  84                                     ['--gmock_catch_leaked_mocks'],
  85                                     env=environ).exit_code)
  86     self.assertNotEqual(
  87         0,
  88         gmock_test_utils.Subprocess(TEST_WITH_ON_CALL +
  89                                     ['--gmock_catch_leaked_mocks'],
  90                                     env=environ).exit_code)
  91
  92   def testCatchesLeakedMockWhenEnabledWithExplictFlagValue(self):
  93     self.assertNotEqual(
  94         0,
  95         gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL +
  96                                     ['--gmock_catch_leaked_mocks=1'],
  97                                     env=environ).exit_code)
  98
  99   def testCatchesMultipleLeakedMocks(self):
 100     self.assertNotEqual(
 101         0,
 102         gmock_test_utils.Subprocess(TEST_MULTIPLE_LEAKS +
 103                                     ['--gmock_catch_leaked_mocks'],
 104                                     env=environ).exit_code)
 105
 106
 107 if __name__ == '__main__':
 108   gmock_test_utils.Main()