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Diffstat (limited to 'googletest/test/googletest-list-tests-unittest.py')
| -rwxr-xr-x | googletest/test/googletest-list-tests-unittest.py | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/googletest/test/googletest-list-tests-unittest.py b/googletest/test/googletest-list-tests-unittest.py new file mode 100755 index 0000000..a38073a --- /dev/null +++ b/googletest/test/googletest-list-tests-unittest.py @@ -0,0 +1,207 @@ +#!/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. +""" + +__author__ = 'phanna@google.com (Patrick Hanna)' + +import re +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<bool,\s*42> + 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<bool,\s*42> + 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() |