3 # Copyright 2006, Google Inc.
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31 """Unit test for Google Test's --gtest_list_tests flag.
33 A user can ask Google Test to list all tests by specifying the
34 --gtest_list_tests flag. If output is requested, via --gtest_output=xml
35 or --gtest_output=json, the tests are listed, with extra information in the
37 This script tests such functionality by invoking gtest_list_output_unittest_
38 (a program written with Google Test) the command line flags.
43 from googletest.test import gtest_test_utils
45 GTEST_LIST_TESTS_FLAG = '--gtest_list_tests'
46 GTEST_OUTPUT_FLAG = '--gtest_output'
48 EXPECTED_XML = """<\?xml version="1.0" encoding="UTF-8"\?>
49 <testsuites tests="16" name="AllTests">
50 <testsuite name="FooTest" tests="2">
51 <testcase name="Test1" file=".*gtest_list_output_unittest_.cc" line="43" />
52 <testcase name="Test2" file=".*gtest_list_output_unittest_.cc" line="45" />
54 <testsuite name="FooTestFixture" tests="2">
55 <testcase name="Test3" file=".*gtest_list_output_unittest_.cc" line="48" />
56 <testcase name="Test4" file=".*gtest_list_output_unittest_.cc" line="49" />
58 <testsuite name="TypedTest/0" tests="2">
59 <testcase name="Test7" type_param="int" file=".*gtest_list_output_unittest_.cc" line="60" />
60 <testcase name="Test8" type_param="int" file=".*gtest_list_output_unittest_.cc" line="61" />
62 <testsuite name="TypedTest/1" tests="2">
63 <testcase name="Test7" type_param="bool" file=".*gtest_list_output_unittest_.cc" line="60" />
64 <testcase name="Test8" type_param="bool" file=".*gtest_list_output_unittest_.cc" line="61" />
66 <testsuite name="Single/TypeParameterizedTestSuite/0" tests="2">
67 <testcase name="Test9" type_param="int" file=".*gtest_list_output_unittest_.cc" line="66" />
68 <testcase name="Test10" type_param="int" file=".*gtest_list_output_unittest_.cc" line="67" />
70 <testsuite name="Single/TypeParameterizedTestSuite/1" tests="2">
71 <testcase name="Test9" type_param="bool" file=".*gtest_list_output_unittest_.cc" line="66" />
72 <testcase name="Test10" type_param="bool" file=".*gtest_list_output_unittest_.cc" line="67" />
74 <testsuite name="ValueParam/ValueParamTest" tests="4">
75 <testcase name="Test5/0" value_param="33" file=".*gtest_list_output_unittest_.cc" line="52" />
76 <testcase name="Test5/1" value_param="42" file=".*gtest_list_output_unittest_.cc" line="52" />
77 <testcase name="Test6/0" value_param="33" file=".*gtest_list_output_unittest_.cc" line="53" />
78 <testcase name="Test6/1" value_param="42" file=".*gtest_list_output_unittest_.cc" line="53" />
93 "file": ".*gtest_list_output_unittest_.cc",
98 "file": ".*gtest_list_output_unittest_.cc",
104 "name": "FooTestFixture",
109 "file": ".*gtest_list_output_unittest_.cc",
114 "file": ".*gtest_list_output_unittest_.cc",
120 "name": "TypedTest\\\\/0",
126 "file": ".*gtest_list_output_unittest_.cc",
132 "file": ".*gtest_list_output_unittest_.cc",
138 "name": "TypedTest\\\\/1",
143 "type_param": "bool",
144 "file": ".*gtest_list_output_unittest_.cc",
149 "type_param": "bool",
150 "file": ".*gtest_list_output_unittest_.cc",
156 "name": "Single\\\\/TypeParameterizedTestSuite\\\\/0",
162 "file": ".*gtest_list_output_unittest_.cc",
168 "file": ".*gtest_list_output_unittest_.cc",
174 "name": "Single\\\\/TypeParameterizedTestSuite\\\\/1",
179 "type_param": "bool",
180 "file": ".*gtest_list_output_unittest_.cc",
185 "type_param": "bool",
186 "file": ".*gtest_list_output_unittest_.cc",
192 "name": "ValueParam\\\\/ValueParamTest",
196 "name": "Test5\\\\/0",
198 "file": ".*gtest_list_output_unittest_.cc",
202 "name": "Test5\\\\/1",
204 "file": ".*gtest_list_output_unittest_.cc",
208 "name": "Test6\\\\/0",
210 "file": ".*gtest_list_output_unittest_.cc",
214 "name": "Test6\\\\/1",
216 "file": ".*gtest_list_output_unittest_.cc",
226 class GTestListTestsOutputUnitTest(gtest_test_utils.TestCase):
227 """Unit test for Google Test's list tests with output to file functionality.
231 """Verifies XML output for listing tests in a Google Test binary.
233 Runs a test program that generates an empty XML output, and
234 tests that the XML output is expected.
236 self._TestOutput('xml', EXPECTED_XML)
239 """Verifies XML output for listing tests in a Google Test binary.
241 Runs a test program that generates an empty XML output, and
242 tests that the XML output is expected.
244 self._TestOutput('json', EXPECTED_JSON)
246 def _GetOutput(self, out_format):
247 file_path = os.path.join(gtest_test_utils.GetTempDir(),
248 'test_out.' + out_format)
249 gtest_prog_path = gtest_test_utils.GetTestExecutablePath(
250 'gtest_list_output_unittest_')
254 '%s=%s:%s' % (GTEST_OUTPUT_FLAG, out_format, file_path),
257 environ_copy = os.environ.copy()
258 p = gtest_test_utils.Subprocess(
259 command, env=environ_copy, working_dir=gtest_test_utils.GetTempDir())
261 self.assertTrue(p.exited)
262 self.assertEqual(0, p.exit_code)
263 self.assertTrue(os.path.isfile(file_path))
264 with open(file_path) as f:
268 def _TestOutput(self, test_format, expected_output):
269 actual = self._GetOutput(test_format)
270 actual_lines = actual.splitlines()
271 expected_lines = expected_output.splitlines()
273 for actual_line in actual_lines:
274 expected_line = expected_lines[line_count]
275 expected_line_re = re.compile(expected_line.strip())
277 expected_line_re.match(actual_line.strip()),
278 ('actual output of "%s",\n'
279 'which does not match expected regex of "%s"\n'
280 'on line %d' % (actual, expected_output, line_count)))
281 line_count = line_count + 1
284 if __name__ == '__main__':
285 os.environ['GTEST_STACK_TRACE_DEPTH'] = '1'
286 gtest_test_utils.Main()