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237 lines
9.7 KiB
237 lines
9.7 KiB
#!/usr/bin/env python |
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# |
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# Copyright 2010 Google Inc. All Rights Reserved. |
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# |
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# Redistribution and use in source and binary forms, with or without |
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# modification, are permitted provided that the following conditions are |
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# met: |
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# |
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# * Redistributions of source code must retain the above copyright |
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# notice, this list of conditions and the following disclaimer. |
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# * Redistributions in binary form must reproduce the above |
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# copyright notice, this list of conditions and the following disclaimer |
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# in the documentation and/or other materials provided with the |
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# distribution. |
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# * Neither the name of Google Inc. nor the names of its |
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# contributors may be used to endorse or promote products derived from |
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# this software without specific prior written permission. |
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# |
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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"""Tests Google Test's exception catching behavior. |
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This script invokes gtest_catch_exceptions_test_ and |
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gtest_catch_exceptions_ex_test_ (programs written with |
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Google Test) and verifies their output. |
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""" |
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__author__ = 'vladl@google.com (Vlad Losev)' |
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import os |
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import gtest_test_utils |
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# Constants. |
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FLAG_PREFIX = '--gtest_' |
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LIST_TESTS_FLAG = FLAG_PREFIX + 'list_tests' |
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NO_CATCH_EXCEPTIONS_FLAG = FLAG_PREFIX + 'catch_exceptions=0' |
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FILTER_FLAG = FLAG_PREFIX + 'filter' |
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# Path to the gtest_catch_exceptions_ex_test_ binary, compiled with |
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# exceptions enabled. |
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EX_EXE_PATH = gtest_test_utils.GetTestExecutablePath( |
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'gtest_catch_exceptions_ex_test_') |
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# Path to the gtest_catch_exceptions_test_ binary, compiled with |
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# exceptions disabled. |
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EXE_PATH = gtest_test_utils.GetTestExecutablePath( |
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'gtest_catch_exceptions_no_ex_test_') |
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environ = gtest_test_utils.environ |
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SetEnvVar = gtest_test_utils.SetEnvVar |
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# Tests in this file run a Google-Test-based test program and expect it |
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# to terminate prematurely. Therefore they are incompatible with |
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# the premature-exit-file protocol by design. Unset the |
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# premature-exit filepath to prevent Google Test from creating |
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# the file. |
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SetEnvVar(gtest_test_utils.PREMATURE_EXIT_FILE_ENV_VAR, None) |
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TEST_LIST = gtest_test_utils.Subprocess( |
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[EXE_PATH, LIST_TESTS_FLAG], env=environ).output |
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SUPPORTS_SEH_EXCEPTIONS = 'ThrowsSehException' in TEST_LIST |
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if SUPPORTS_SEH_EXCEPTIONS: |
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BINARY_OUTPUT = gtest_test_utils.Subprocess([EXE_PATH], env=environ).output |
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EX_BINARY_OUTPUT = gtest_test_utils.Subprocess( |
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[EX_EXE_PATH], env=environ).output |
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# The tests. |
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if SUPPORTS_SEH_EXCEPTIONS: |
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# pylint:disable-msg=C6302 |
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class CatchSehExceptionsTest(gtest_test_utils.TestCase): |
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"""Tests exception-catching behavior.""" |
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def TestSehExceptions(self, test_output): |
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self.assert_('SEH exception with code 0x2a thrown ' |
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'in the test fixture\'s constructor' |
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in test_output) |
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self.assert_('SEH exception with code 0x2a thrown ' |
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'in the test fixture\'s destructor' |
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in test_output) |
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self.assert_('SEH exception with code 0x2a thrown in SetUpTestCase()' |
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in test_output) |
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self.assert_('SEH exception with code 0x2a thrown in TearDownTestCase()' |
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in test_output) |
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self.assert_('SEH exception with code 0x2a thrown in SetUp()' |
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in test_output) |
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self.assert_('SEH exception with code 0x2a thrown in TearDown()' |
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in test_output) |
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self.assert_('SEH exception with code 0x2a thrown in the test body' |
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in test_output) |
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def testCatchesSehExceptionsWithCxxExceptionsEnabled(self): |
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self.TestSehExceptions(EX_BINARY_OUTPUT) |
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def testCatchesSehExceptionsWithCxxExceptionsDisabled(self): |
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self.TestSehExceptions(BINARY_OUTPUT) |
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class CatchCxxExceptionsTest(gtest_test_utils.TestCase): |
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"""Tests C++ exception-catching behavior. |
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Tests in this test case verify that: |
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* C++ exceptions are caught and logged as C++ (not SEH) exceptions |
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* Exception thrown affect the remainder of the test work flow in the |
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expected manner. |
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""" |
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def testCatchesCxxExceptionsInFixtureConstructor(self): |
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self.assert_('C++ exception with description ' |
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'"Standard C++ exception" thrown ' |
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'in the test fixture\'s constructor' |
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in EX_BINARY_OUTPUT) |
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self.assert_('unexpected' not in EX_BINARY_OUTPUT, |
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'This failure belongs in this test only if ' |
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'"CxxExceptionInConstructorTest" (no quotes) ' |
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'appears on the same line as words "called unexpectedly"') |
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if ('CxxExceptionInDestructorTest.ThrowsExceptionInDestructor' in |
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EX_BINARY_OUTPUT): |
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def testCatchesCxxExceptionsInFixtureDestructor(self): |
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self.assert_('C++ exception with description ' |
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'"Standard C++ exception" thrown ' |
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'in the test fixture\'s destructor' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInDestructorTest::TearDownTestCase() ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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def testCatchesCxxExceptionsInSetUpTestCase(self): |
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self.assert_('C++ exception with description "Standard C++ exception"' |
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' thrown in SetUpTestCase()' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInConstructorTest::TearDownTestCase() ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInSetUpTestCaseTest constructor ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInSetUpTestCaseTest destructor ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInSetUpTestCaseTest::SetUp() ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInSetUpTestCaseTest::TearDown() ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInSetUpTestCaseTest test body ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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def testCatchesCxxExceptionsInTearDownTestCase(self): |
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self.assert_('C++ exception with description "Standard C++ exception"' |
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' thrown in TearDownTestCase()' |
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in EX_BINARY_OUTPUT) |
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def testCatchesCxxExceptionsInSetUp(self): |
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self.assert_('C++ exception with description "Standard C++ exception"' |
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' thrown in SetUp()' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInSetUpTest::TearDownTestCase() ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInSetUpTest destructor ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInSetUpTest::TearDown() ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('unexpected' not in EX_BINARY_OUTPUT, |
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'This failure belongs in this test only if ' |
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'"CxxExceptionInSetUpTest" (no quotes) ' |
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'appears on the same line as words "called unexpectedly"') |
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def testCatchesCxxExceptionsInTearDown(self): |
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self.assert_('C++ exception with description "Standard C++ exception"' |
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' thrown in TearDown()' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInTearDownTest::TearDownTestCase() ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInTearDownTest destructor ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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def testCatchesCxxExceptionsInTestBody(self): |
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self.assert_('C++ exception with description "Standard C++ exception"' |
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' thrown in the test body' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInTestBodyTest::TearDownTestCase() ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInTestBodyTest destructor ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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self.assert_('CxxExceptionInTestBodyTest::TearDown() ' |
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'called as expected.' |
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in EX_BINARY_OUTPUT) |
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def testCatchesNonStdCxxExceptions(self): |
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self.assert_('Unknown C++ exception thrown in the test body' |
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in EX_BINARY_OUTPUT) |
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def testUnhandledCxxExceptionsAbortTheProgram(self): |
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# Filters out SEH exception tests on Windows. Unhandled SEH exceptions |
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# cause tests to show pop-up windows there. |
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FITLER_OUT_SEH_TESTS_FLAG = FILTER_FLAG + '=-*Seh*' |
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# By default, Google Test doesn't catch the exceptions. |
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uncaught_exceptions_ex_binary_output = gtest_test_utils.Subprocess( |
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[EX_EXE_PATH, |
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NO_CATCH_EXCEPTIONS_FLAG, |
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FITLER_OUT_SEH_TESTS_FLAG], |
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env=environ).output |
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self.assert_('Unhandled C++ exception terminating the program' |
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in uncaught_exceptions_ex_binary_output) |
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self.assert_('unexpected' not in uncaught_exceptions_ex_binary_output) |
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if __name__ == '__main__': |
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gtest_test_utils.Main()
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