googlemock/test/gmock_leak_test.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2009, Google Inc.
   4 # All rights reserved.
   5 #
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   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
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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 from googlemock.test import gmock_test_utils
  35
  36 PROGRAM_PATH = gmock_test_utils.GetTestExecutablePath('gmock_leak_test_')
  37 TEST_WITH_EXPECT_CALL = [PROGRAM_PATH, '--gtest_filter=*ExpectCall*']
  38 TEST_WITH_ON_CALL = [PROGRAM_PATH, '--gtest_filter=*OnCall*']
  39 TEST_MULTIPLE_LEAKS = [PROGRAM_PATH, '--gtest_filter=*MultipleLeaked*']
  40
  41 environ = gmock_test_utils.environ
  42 SetEnvVar = gmock_test_utils.SetEnvVar
  43
  44 # Tests in this file run a Google-Test-based test program and expect it
  45 # to terminate prematurely.  Therefore they are incompatible with
  46 # the premature-exit-file protocol by design.  Unset the
  47 # premature-exit filepath to prevent Google Test from creating
  48 # the file.
  49 SetEnvVar(gmock_test_utils.PREMATURE_EXIT_FILE_ENV_VAR, None)
  50
  51
  52 class GMockLeakTest(gmock_test_utils.TestCase):
  53
  54   def testCatchesLeakedMockByDefault(self):
  55     self.assertNotEqual(
  56         0,
  57         gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL,
  58                                     env=environ).exit_code)
  59     self.assertNotEqual(
  60         0,
  61         gmock_test_utils.Subprocess(TEST_WITH_ON_CALL,
  62                                     env=environ).exit_code)
  63
  64   def testDoesNotCatchLeakedMockWhenDisabled(self):
  65     self.assertEquals(
  66         0,
  67         gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL +
  68                                     ['--gmock_catch_leaked_mocks=0'],
  69                                     env=environ).exit_code)
  70     self.assertEquals(
  71         0,
  72         gmock_test_utils.Subprocess(TEST_WITH_ON_CALL +
  73                                     ['--gmock_catch_leaked_mocks=0'],
  74                                     env=environ).exit_code)
  75
  76   def testCatchesLeakedMockWhenEnabled(self):
  77     self.assertNotEqual(
  78         0,
  79         gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL +
  80                                     ['--gmock_catch_leaked_mocks'],
  81                                     env=environ).exit_code)
  82     self.assertNotEqual(
  83         0,
  84         gmock_test_utils.Subprocess(TEST_WITH_ON_CALL +
  85                                     ['--gmock_catch_leaked_mocks'],
  86                                     env=environ).exit_code)
  87
  88   def testCatchesLeakedMockWhenEnabledWithExplictFlagValue(self):
  89     self.assertNotEqual(
  90         0,
  91         gmock_test_utils.Subprocess(TEST_WITH_EXPECT_CALL +
  92                                     ['--gmock_catch_leaked_mocks=1'],
  93                                     env=environ).exit_code)
  94
  95   def testCatchesMultipleLeakedMocks(self):
  96     self.assertNotEqual(
  97         0,
  98         gmock_test_utils.Subprocess(TEST_MULTIPLE_LEAKS +
  99                                     ['--gmock_catch_leaked_mocks'],
 100                                     env=environ).exit_code)
 101
 102
 103 if __name__ == '__main__':
 104   gmock_test_utils.Main()