32 """Unit test for Google Test's --gtest_list_tests flag.
34 A user can ask Google Test to list all tests by specifying the
35 --gtest_list_tests flag. This script tests such functionality
36 by invoking gtest_list_tests_unittest_ (a program written with
37 Google Test) the command line flags.
40 __author__ =
'phanna@google.com (Patrick Hanna)'
42 import gtest_test_utils
49 LIST_TESTS_FLAG =
'gtest_list_tests'
56 EXPECTED_OUTPUT_NO_FILTER_RE = re.compile(
r"""FooDeathTest\.
71 TypedTest/0\. # TypeParam = (VeryLo{245}|class VeryLo{239})\.\.\.
74 TypedTest/1\. # TypeParam = int\s*\*( __ptr64)?
77 TypedTest/2\. # TypeParam = .*MyArray<bool,\s*42>
80 My/TypeParamTest/0\. # TypeParam = (VeryLo{245}|class VeryLo{239})\.\.\.
83 My/TypeParamTest/1\. # TypeParam = int\s*\*( __ptr64)?
86 My/TypeParamTest/2\. # TypeParam = .*MyArray<bool,\s*42>
89 MyInstantiation/ValueParamTest\.
90 TestA/0 # GetParam\(\) = one line
91 TestA/1 # GetParam\(\) = two\\nlines
92 TestA/2 # GetParam\(\) = a very\\nlo{241}\.\.\.
93 TestB/0 # GetParam\(\) = one line
94 TestB/1 # GetParam\(\) = two\\nlines
95 TestB/2 # GetParam\(\) = a very\\nlo{241}\.\.\.
100 EXPECTED_OUTPUT_FILTER_FOO_RE = re.compile(
r"""FooDeathTest\.
118 """Runs gtest_list_tests_unittest_ and returns the list of tests printed."""
121 capture_stderr=
False).output
127 """Tests using the --gtest_list_tests flag to list all tests."""
130 """Runs gtest_list_tests_unittest_ and verifies that it prints
134 flag_value: value of the --gtest_list_tests flag;
135 None if the flag should not be present.
136 expected_output_re: regular expression that matches the expected
137 output after running command;
138 other_flag: a different flag to be passed to command
139 along with gtest_list_tests;
140 None if the flag should not be present.
143 if flag_value
is None:
145 flag_expression =
'not set'
146 elif flag_value ==
'0':
147 flag =
'--%s=0' % LIST_TESTS_FLAG
148 flag_expression =
'0'
150 flag =
'--%s' % LIST_TESTS_FLAG
151 flag_expression =
'1'
155 if other_flag
is not None:
160 if expected_output_re:
162 expected_output_re.match(output),
163 (
'when %s is %s, the output of "%s" is "%s",\n'
164 'which does not match regex "%s"' %
165 (LIST_TESTS_FLAG, flag_expression,
' '.
join(args), output,
166 expected_output_re.pattern)))
169 not EXPECTED_OUTPUT_NO_FILTER_RE.match(output),
170 (
'when %s is %s, the output of "%s" is "%s"'%
171 (LIST_TESTS_FLAG, flag_expression,
' '.
join(args), output)))
174 """Tests the behavior of the default mode."""
177 expected_output_re=
None,
181 """Tests using the --gtest_list_tests flag."""
184 expected_output_re=
None,
187 expected_output_re=EXPECTED_OUTPUT_NO_FILTER_RE,
191 """Tests that --gtest_list_tests overrides the non-filter flags."""
194 expected_output_re=EXPECTED_OUTPUT_NO_FILTER_RE,
195 other_flag=
'--gtest_break_on_failure')
198 """Tests that --gtest_list_tests takes into account the
199 --gtest_filter flag."""
202 expected_output_re=EXPECTED_OUTPUT_FILTER_FOO_RE,
203 other_flag=
'--gtest_filter=Foo*')
206 if __name__ ==
'__main__':