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205 lines
6.4 KiB
205 lines
6.4 KiB
#!/usr/bin/env python
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#
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# Copyright 2006, Google Inc.
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# 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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"""Unit test for Google Test's --gtest_list_tests flag.
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A user can ask Google Test to list all tests by specifying the
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--gtest_list_tests flag. This script tests such functionality
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by invoking googletest-list-tests-unittest_ (a program written with
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Google Test) the command line flags.
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"""
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import re
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import gtest_test_utils
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# Constants.
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# The command line flag for enabling/disabling listing all tests.
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LIST_TESTS_FLAG = 'gtest_list_tests'
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# Path to the googletest-list-tests-unittest_ program.
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EXE_PATH = gtest_test_utils.GetTestExecutablePath('googletest-list-tests-unittest_')
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# The expected output when running googletest-list-tests-unittest_ with
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# --gtest_list_tests
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EXPECTED_OUTPUT_NO_FILTER_RE = re.compile(r"""FooDeathTest\.
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Test1
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Foo\.
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Bar1
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Bar2
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DISABLED_Bar3
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Abc\.
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Xyz
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Def
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FooBar\.
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Baz
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FooTest\.
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Test1
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DISABLED_Test2
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Test3
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TypedTest/0\. # TypeParam = (VeryLo{245}|class VeryLo{239})\.\.\.
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TestA
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TestB
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TypedTest/1\. # TypeParam = int\s*\*( __ptr64)?
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TestA
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TestB
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TypedTest/2\. # TypeParam = .*MyArray<bool,\s*42>
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TestA
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TestB
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My/TypeParamTest/0\. # TypeParam = (VeryLo{245}|class VeryLo{239})\.\.\.
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TestA
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TestB
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My/TypeParamTest/1\. # TypeParam = int\s*\*( __ptr64)?
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TestA
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TestB
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My/TypeParamTest/2\. # TypeParam = .*MyArray<bool,\s*42>
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TestA
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TestB
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MyInstantiation/ValueParamTest\.
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TestA/0 # GetParam\(\) = one line
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TestA/1 # GetParam\(\) = two\\nlines
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TestA/2 # GetParam\(\) = a very\\nlo{241}\.\.\.
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TestB/0 # GetParam\(\) = one line
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TestB/1 # GetParam\(\) = two\\nlines
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TestB/2 # GetParam\(\) = a very\\nlo{241}\.\.\.
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""")
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# The expected output when running googletest-list-tests-unittest_ with
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# --gtest_list_tests and --gtest_filter=Foo*.
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EXPECTED_OUTPUT_FILTER_FOO_RE = re.compile(r"""FooDeathTest\.
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Test1
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Foo\.
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Bar1
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Bar2
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DISABLED_Bar3
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FooBar\.
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Baz
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FooTest\.
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Test1
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DISABLED_Test2
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Test3
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""")
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# Utilities.
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def Run(args):
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"""Runs googletest-list-tests-unittest_ and returns the list of tests printed."""
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return gtest_test_utils.Subprocess([EXE_PATH] + args,
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capture_stderr=False).output
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# The unit test.
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class GTestListTestsUnitTest(gtest_test_utils.TestCase):
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"""Tests using the --gtest_list_tests flag to list all tests."""
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def RunAndVerify(self, flag_value, expected_output_re, other_flag):
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"""Runs googletest-list-tests-unittest_ and verifies that it prints
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the correct tests.
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Args:
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flag_value: value of the --gtest_list_tests flag;
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None if the flag should not be present.
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expected_output_re: regular expression that matches the expected
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output after running command;
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other_flag: a different flag to be passed to command
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along with gtest_list_tests;
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None if the flag should not be present.
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"""
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if flag_value is None:
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flag = ''
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flag_expression = 'not set'
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elif flag_value == '0':
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flag = '--%s=0' % LIST_TESTS_FLAG
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flag_expression = '0'
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else:
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flag = '--%s' % LIST_TESTS_FLAG
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flag_expression = '1'
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args = [flag]
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if other_flag is not None:
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args += [other_flag]
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output = Run(args)
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if expected_output_re:
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self.assert_(
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expected_output_re.match(output),
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('when %s is %s, the output of "%s" is "%s",\n'
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'which does not match regex "%s"' %
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(LIST_TESTS_FLAG, flag_expression, ' '.join(args), output,
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expected_output_re.pattern)))
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else:
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self.assert_(
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not EXPECTED_OUTPUT_NO_FILTER_RE.match(output),
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('when %s is %s, the output of "%s" is "%s"'%
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(LIST_TESTS_FLAG, flag_expression, ' '.join(args), output)))
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def testDefaultBehavior(self):
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"""Tests the behavior of the default mode."""
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self.RunAndVerify(flag_value=None,
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expected_output_re=None,
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other_flag=None)
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def testFlag(self):
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"""Tests using the --gtest_list_tests flag."""
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self.RunAndVerify(flag_value='0',
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expected_output_re=None,
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other_flag=None)
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self.RunAndVerify(flag_value='1',
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expected_output_re=EXPECTED_OUTPUT_NO_FILTER_RE,
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other_flag=None)
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def testOverrideNonFilterFlags(self):
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"""Tests that --gtest_list_tests overrides the non-filter flags."""
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self.RunAndVerify(flag_value='1',
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expected_output_re=EXPECTED_OUTPUT_NO_FILTER_RE,
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other_flag='--gtest_break_on_failure')
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def testWithFilterFlags(self):
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"""Tests that --gtest_list_tests takes into account the
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--gtest_filter flag."""
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self.RunAndVerify(flag_value='1',
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expected_output_re=EXPECTED_OUTPUT_FILTER_FOO_RE,
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other_flag='--gtest_filter=Foo*')
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if __name__ == '__main__':
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gtest_test_utils.Main()
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