#!/usr/bin/env python # # Copyright 2006, 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. """Unit test for Google Test's --gtest_list_tests flag. A user can ask Google Test to list all tests by specifying the --gtest_list_tests flag. This script tests such functionality by invoking googletest-list-tests-unittest_ (a program written with Google Test) the command line flags. """ import re from googletest.test import gtest_test_utils # Constants. # The command line flag for enabling/disabling listing all tests. LIST_TESTS_FLAG = 'gtest_list_tests' # Path to the googletest-list-tests-unittest_ program. EXE_PATH = gtest_test_utils.GetTestExecutablePath('googletest-list-tests-unittest_') # The expected output when running googletest-list-tests-unittest_ with # --gtest_list_tests EXPECTED_OUTPUT_NO_FILTER_RE = re.compile(r"""FooDeathTest\. Test1 Foo\. Bar1 Bar2 DISABLED_Bar3 Abc\. Xyz Def FooBar\. Baz FooTest\. Test1 DISABLED_Test2 Test3 TypedTest/0\. # TypeParam = (VeryLo{245}|class VeryLo{239})\.\.\. TestA TestB TypedTest/1\. # TypeParam = int\s*\*( __ptr64)? TestA TestB TypedTest/2\. # TypeParam = .*MyArray TestA TestB My/TypeParamTest/0\. # TypeParam = (VeryLo{245}|class VeryLo{239})\.\.\. TestA TestB My/TypeParamTest/1\. # TypeParam = int\s*\*( __ptr64)? TestA TestB My/TypeParamTest/2\. # TypeParam = .*MyArray TestA TestB MyInstantiation/ValueParamTest\. TestA/0 # GetParam\(\) = one line TestA/1 # GetParam\(\) = two\\nlines TestA/2 # GetParam\(\) = a very\\nlo{241}\.\.\. TestB/0 # GetParam\(\) = one line TestB/1 # GetParam\(\) = two\\nlines TestB/2 # GetParam\(\) = a very\\nlo{241}\.\.\. """) # The expected output when running googletest-list-tests-unittest_ with # --gtest_list_tests and --gtest_filter=Foo*. EXPECTED_OUTPUT_FILTER_FOO_RE = re.compile(r"""FooDeathTest\. Test1 Foo\. Bar1 Bar2 DISABLED_Bar3 FooBar\. Baz FooTest\. Test1 DISABLED_Test2 Test3 """) # Utilities. def Run(args): """Runs googletest-list-tests-unittest_ and returns the list of tests printed.""" return gtest_test_utils.Subprocess([EXE_PATH] + args, capture_stderr=False).output # The unit test. class GTestListTestsUnitTest(gtest_test_utils.TestCase): """Tests using the --gtest_list_tests flag to list all tests.""" def RunAndVerify(self, flag_value, expected_output_re, other_flag): """Runs googletest-list-tests-unittest_ and verifies that it prints the correct tests. Args: flag_value: value of the --gtest_list_tests flag; None if the flag should not be present. expected_output_re: regular expression that matches the expected output after running command; other_flag: a different flag to be passed to command along with gtest_list_tests; None if the flag should not be present. """ if flag_value is None: flag = '' flag_expression = 'not set' elif flag_value == '0': flag = '--%s=0' % LIST_TESTS_FLAG flag_expression = '0' else: flag = '--%s' % LIST_TESTS_FLAG flag_expression = '1' args = [flag] if other_flag is not None: args += [other_flag] output = Run(args) if expected_output_re: self.assert_( expected_output_re.match(output), ('when %s is %s, the output of "%s" is "%s",\n' 'which does not match regex "%s"' % (LIST_TESTS_FLAG, flag_expression, ' '.join(args), output, expected_output_re.pattern))) else: self.assert_( not EXPECTED_OUTPUT_NO_FILTER_RE.match(output), ('when %s is %s, the output of "%s" is "%s"'% (LIST_TESTS_FLAG, flag_expression, ' '.join(args), output))) def testDefaultBehavior(self): """Tests the behavior of the default mode.""" self.RunAndVerify(flag_value=None, expected_output_re=None, other_flag=None) def testFlag(self): """Tests using the --gtest_list_tests flag.""" self.RunAndVerify(flag_value='0', expected_output_re=None, other_flag=None) self.RunAndVerify(flag_value='1', expected_output_re=EXPECTED_OUTPUT_NO_FILTER_RE, other_flag=None) def testOverrideNonFilterFlags(self): """Tests that --gtest_list_tests overrides the non-filter flags.""" self.RunAndVerify(flag_value='1', expected_output_re=EXPECTED_OUTPUT_NO_FILTER_RE, other_flag='--gtest_break_on_failure') def testWithFilterFlags(self): """Tests that --gtest_list_tests takes into account the --gtest_filter flag.""" self.RunAndVerify(flag_value='1', expected_output_re=EXPECTED_OUTPUT_FILTER_FOO_RE, other_flag='--gtest_filter=Foo*') if __name__ == '__main__': gtest_test_utils.Main()