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  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.
  16. #     * Neither the name of Google Inc. nor the names of its
  17. # contributors may be used to endorse or promote products derived from
  18. # this software without specific prior written permission.
  19. #
  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,
  27. # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28. # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29. # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  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. 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()
  105.