googletest/test/gtest_xml_output_unittest.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2006, Google Inc.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions are
   8 # met:
   9 #
  10 #     * Redistributions of source code must retain the above copyright
  11 # notice, this list of conditions and the following disclaimer.
  12 #     * Redistributions in binary form must reproduce the above
  13 # copyright notice, this list of conditions and the following disclaimer
  14 # in the documentation and/or other materials provided with the
  15 # distribution.
  16 #     * Neither the name of Google Inc. nor the names of its
  17 # contributors may be used to endorse or promote products derived from
  18 # this software without specific prior written permission.
  19 #
  20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31
  32 """Unit test for the gtest_xml_output module"""
  33
  34 import datetime
  35 import errno
  36 import os
  37 import re
  38 import sys
  39 from xml.dom import minidom, Node
  40
  41 import gtest_test_utils
  42 import gtest_xml_test_utils
  43
  44 GTEST_FILTER_FLAG = '--gtest_filter'
  45 GTEST_LIST_TESTS_FLAG = '--gtest_list_tests'
  46 GTEST_OUTPUT_FLAG = '--gtest_output'
  47 GTEST_DEFAULT_OUTPUT_FILE = 'test_detail.xml'
  48 GTEST_PROGRAM_NAME = 'gtest_xml_output_unittest_'
  49
  50 # The flag indicating stacktraces are not supported
  51 NO_STACKTRACE_SUPPORT_FLAG = '--no_stacktrace_support'
  52
  53 # The environment variables for test sharding.
  54 TOTAL_SHARDS_ENV_VAR = 'GTEST_TOTAL_SHARDS'
  55 SHARD_INDEX_ENV_VAR = 'GTEST_SHARD_INDEX'
  56 SHARD_STATUS_FILE_ENV_VAR = 'GTEST_SHARD_STATUS_FILE'
  57
  58 SUPPORTS_STACK_TRACES = NO_STACKTRACE_SUPPORT_FLAG not in sys.argv
  59
  60 if SUPPORTS_STACK_TRACES:
  61   STACK_TRACE_TEMPLATE = '\nStack trace:\n*'
  62 else:
  63   STACK_TRACE_TEMPLATE = ''
  64   # unittest.main() can't handle unknown flags
  65   sys.argv.remove(NO_STACKTRACE_SUPPORT_FLAG)
  66
  67 EXPECTED_NON_EMPTY_XML = """<?xml version="1.0" encoding="UTF-8"?>
  68 <testsuites tests="26" failures="5" disabled="2" errors="0" time="*" timestamp="*" name="AllTests" ad_hoc_property="42">
  69   <testsuite name="SuccessfulTest" tests="1" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
  70     <testcase name="Succeeds" status="run" result="completed" time="*" timestamp="*" classname="SuccessfulTest"/>
  71   </testsuite>
  72   <testsuite name="FailedTest" tests="1" failures="1" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
  73     <testcase name="Fails" status="run" result="completed" time="*" timestamp="*" classname="FailedTest">
  74       <failure message="gtest_xml_output_unittest_.cc:*&#x0A;Expected equality of these values:&#x0A;  1&#x0A;  2" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
  75 Expected equality of these values:
  76   1
  77   2%(stack)s]]></failure>
  78     </testcase>
  79   </testsuite>
  80   <testsuite name="MixedResultTest" tests="3" failures="1" disabled="1" skipped="0" errors="0" time="*" timestamp="*">
  81     <testcase name="Succeeds" status="run" result="completed" time="*" timestamp="*" classname="MixedResultTest"/>
  82     <testcase name="Fails" status="run" result="completed" time="*" timestamp="*" classname="MixedResultTest">
  83       <failure message="gtest_xml_output_unittest_.cc:*&#x0A;Expected equality of these values:&#x0A;  1&#x0A;  2" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
  84 Expected equality of these values:
  85   1
  86   2%(stack)s]]></failure>
  87       <failure message="gtest_xml_output_unittest_.cc:*&#x0A;Expected equality of these values:&#x0A;  2&#x0A;  3" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
  88 Expected equality of these values:
  89   2
  90   3%(stack)s]]></failure>
  91     </testcase>
  92     <testcase name="DISABLED_test" status="notrun" result="suppressed" time="*" timestamp="*" classname="MixedResultTest"/>
  93   </testsuite>
  94   <testsuite name="XmlQuotingTest" tests="1" failures="1" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
  95     <testcase name="OutputsCData" status="run" result="completed" time="*" timestamp="*" classname="XmlQuotingTest">
  96       <failure message="gtest_xml_output_unittest_.cc:*&#x0A;Failed&#x0A;XML output: &lt;?xml encoding=&quot;utf-8&quot;&gt;&lt;top&gt;&lt;![CDATA[cdata text]]&gt;&lt;/top&gt;" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
  97 Failed
  98 XML output: <?xml encoding="utf-8"><top><![CDATA[cdata text]]>]]&gt;<![CDATA[</top>%(stack)s]]></failure>
  99     </testcase>
 100   </testsuite>
 101   <testsuite name="InvalidCharactersTest" tests="1" failures="1" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 102     <testcase name="InvalidCharactersInMessage" status="run" result="completed" time="*" timestamp="*" classname="InvalidCharactersTest">
 103       <failure message="gtest_xml_output_unittest_.cc:*&#x0A;Failed&#x0A;Invalid characters in brackets []" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
 104 Failed
 105 Invalid characters in brackets []%(stack)s]]></failure>
 106     </testcase>
 107   </testsuite>
 108   <testsuite name="DisabledTest" tests="1" failures="0" disabled="1" skipped="0" errors="0" time="*" timestamp="*">
 109     <testcase name="DISABLED_test_not_run" status="notrun" result="suppressed" time="*" timestamp="*" classname="DisabledTest"/>
 110   </testsuite>
 111   <testsuite name="SkippedTest" tests="3" failures="1" disabled="0" skipped="2" errors="0" time="*" timestamp="*">
 112     <testcase name="Skipped" status="run" result="skipped" time="*" timestamp="*" classname="SkippedTest">
 113       <skipped message="gtest_xml_output_unittest_.cc:*&#x0A;"><![CDATA[gtest_xml_output_unittest_.cc:*
 114 %(stack)s]]></skipped>
 115     </testcase>
 116     <testcase name="SkippedWithMessage" status="run" result="skipped" time="*" timestamp="*" classname="SkippedTest">
 117       <skipped message="gtest_xml_output_unittest_.cc:*&#x0A;It is good practice to tell why you skip a test."><![CDATA[gtest_xml_output_unittest_.cc:*
 118 It is good practice to tell why you skip a test.%(stack)s]]></skipped>
 119     </testcase>
 120     <testcase name="SkippedAfterFailure" status="run" result="completed" time="*" timestamp="*" classname="SkippedTest">
 121       <failure message="gtest_xml_output_unittest_.cc:*&#x0A;Expected equality of these values:&#x0A;  1&#x0A;  2" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
 122 Expected equality of these values:
 123   1
 124   2%(stack)s]]></failure>
 125       <skipped message="gtest_xml_output_unittest_.cc:*&#x0A;It is good practice to tell why you skip a test."><![CDATA[gtest_xml_output_unittest_.cc:*
 126 It is good practice to tell why you skip a test.%(stack)s]]></skipped>
 127     </testcase>
 128
 129   </testsuite>
 130   <testsuite name="PropertyRecordingTest" tests="4" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*" SetUpTestSuite="yes" TearDownTestSuite="aye">
 131     <testcase name="OneProperty" status="run" result="completed" time="*" timestamp="*" classname="PropertyRecordingTest">
 132       <properties>
 133         <property name="key_1" value="1"/>
 134       </properties>
 135     </testcase>
 136     <testcase name="IntValuedProperty" status="run" result="completed" time="*" timestamp="*" classname="PropertyRecordingTest">
 137       <properties>
 138         <property name="key_int" value="1"/>
 139       </properties>
 140     </testcase>
 141     <testcase name="ThreeProperties" status="run" result="completed" time="*" timestamp="*" classname="PropertyRecordingTest">
 142       <properties>
 143         <property name="key_1" value="1"/>
 144         <property name="key_2" value="2"/>
 145         <property name="key_3" value="3"/>
 146       </properties>
 147     </testcase>
 148     <testcase name="TwoValuesForOneKeyUsesLastValue" status="run" result="completed" time="*" timestamp="*" classname="PropertyRecordingTest">
 149       <properties>
 150         <property name="key_1" value="2"/>
 151       </properties>
 152     </testcase>
 153   </testsuite>
 154   <testsuite name="NoFixtureTest" tests="3" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 155      <testcase name="RecordProperty" status="run" result="completed" time="*" timestamp="*" classname="NoFixtureTest">
 156        <properties>
 157          <property name="key" value="1"/>
 158        </properties>
 159      </testcase>
 160      <testcase name="ExternalUtilityThatCallsRecordIntValuedProperty" status="run" result="completed" time="*" timestamp="*" classname="NoFixtureTest">
 161        <properties>
 162          <property name="key_for_utility_int" value="1"/>
 163        </properties>
 164      </testcase>
 165      <testcase name="ExternalUtilityThatCallsRecordStringValuedProperty" status="run" result="completed" time="*" timestamp="*" classname="NoFixtureTest">
 166        <properties>
 167          <property name="key_for_utility_string" value="1"/>
 168        </properties>
 169      </testcase>
 170   </testsuite>
 171   <testsuite name="Single/ValueParamTest" tests="4" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 172     <testcase name="HasValueParamAttribute/0" value_param="33" status="run" result="completed" time="*" timestamp="*" classname="Single/ValueParamTest" />
 173     <testcase name="HasValueParamAttribute/1" value_param="42" status="run" result="completed" time="*" timestamp="*" classname="Single/ValueParamTest" />
 174     <testcase name="AnotherTestThatHasValueParamAttribute/0" value_param="33" status="run" result="completed" time="*" timestamp="*" classname="Single/ValueParamTest" />
 175     <testcase name="AnotherTestThatHasValueParamAttribute/1" value_param="42" status="run" result="completed" time="*" timestamp="*" classname="Single/ValueParamTest" />
 176   </testsuite>
 177   <testsuite name="TypedTest/0" tests="1" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 178     <testcase name="HasTypeParamAttribute" type_param="*" status="run" result="completed" time="*" timestamp="*" classname="TypedTest/0" />
 179   </testsuite>
 180   <testsuite name="TypedTest/1" tests="1" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 181     <testcase name="HasTypeParamAttribute" type_param="*" status="run" result="completed" time="*" timestamp="*" classname="TypedTest/1" />
 182   </testsuite>
 183   <testsuite name="Single/TypeParameterizedTestSuite/0" tests="1" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 184     <testcase name="HasTypeParamAttribute" type_param="*" status="run" result="completed" time="*" timestamp="*" classname="Single/TypeParameterizedTestSuite/0" />
 185   </testsuite>
 186   <testsuite name="Single/TypeParameterizedTestSuite/1" tests="1" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 187     <testcase name="HasTypeParamAttribute" type_param="*" status="run" result="completed" time="*" timestamp="*" classname="Single/TypeParameterizedTestSuite/1" />
 188   </testsuite>
 189 </testsuites>""" % {
 190     'stack': STACK_TRACE_TEMPLATE
 191 }
 192
 193 EXPECTED_FILTERED_TEST_XML = """<?xml version="1.0" encoding="UTF-8"?>
 194 <testsuites tests="1" failures="0" disabled="0" errors="0" time="*"
 195             timestamp="*" name="AllTests" ad_hoc_property="42">
 196   <testsuite name="SuccessfulTest" tests="1" failures="0" disabled="0" skipped="0"
 197              errors="0" time="*" timestamp="*">
 198     <testcase name="Succeeds" status="run" result="completed" time="*" timestamp="*" classname="SuccessfulTest"/>
 199   </testsuite>
 200 </testsuites>"""
 201
 202 EXPECTED_SHARDED_TEST_XML = """<?xml version="1.0" encoding="UTF-8"?>
 203 <testsuites tests="3" failures="0" disabled="0" errors="0" time="*" timestamp="*" name="AllTests" ad_hoc_property="42">
 204   <testsuite name="SuccessfulTest" tests="1" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 205     <testcase name="Succeeds" status="run" result="completed" time="*" timestamp="*" classname="SuccessfulTest"/>
 206   </testsuite>
 207   <testsuite name="PropertyRecordingTest" tests="1" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*" SetUpTestSuite="yes" TearDownTestSuite="aye">
 208     <testcase name="IntValuedProperty" status="run" result="completed" time="*" timestamp="*" classname="PropertyRecordingTest">
 209       <properties>
 210         <property name="key_int" value="1"/>
 211       </properties>
 212     </testcase>
 213   </testsuite>
 214   <testsuite name="Single/ValueParamTest" tests="1" failures="0" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 215     <testcase name="HasValueParamAttribute/0" value_param="33" status="run" result="completed" time="*" timestamp="*" classname="Single/ValueParamTest" />
 216   </testsuite>
 217 </testsuites>"""
 218
 219 EXPECTED_NO_TEST_XML = """<?xml version="1.0" encoding="UTF-8"?>
 220 <testsuites tests="0" failures="0" disabled="0" errors="0" time="*"
 221             timestamp="*" name="AllTests">
 222   <testsuite name="NonTestSuiteFailure" tests="1" failures="1" disabled="0" skipped="0" errors="0" time="*" timestamp="*">
 223     <testcase name="" status="run" result="completed" time="*" timestamp="*" classname="">
 224       <failure message="gtest_no_test_unittest.cc:*&#x0A;Expected equality of these values:&#x0A;  1&#x0A;  2" type=""><![CDATA[gtest_no_test_unittest.cc:*
 225 Expected equality of these values:
 226   1
 227   2%(stack)s]]></failure>
 228     </testcase>
 229   </testsuite>
 230 </testsuites>""" % {
 231     'stack': STACK_TRACE_TEMPLATE
 232 }
 233
 234 GTEST_PROGRAM_PATH = gtest_test_utils.GetTestExecutablePath(GTEST_PROGRAM_NAME)
 235
 236 SUPPORTS_TYPED_TESTS = 'TypedTest' in gtest_test_utils.Subprocess(
 237     [GTEST_PROGRAM_PATH, GTEST_LIST_TESTS_FLAG], capture_stderr=False).output
 238
 239
 240 class GTestXMLOutputUnitTest(gtest_xml_test_utils.GTestXMLTestCase):
 241   """
 242   Unit test for Google Test's XML output functionality.
 243   """
 244
 245   # This test currently breaks on platforms that do not support typed and
 246   # type-parameterized tests, so we don't run it under them.
 247   if SUPPORTS_TYPED_TESTS:
 248     def testNonEmptyXmlOutput(self):
 249       """
 250       Runs a test program that generates a non-empty XML output, and
 251       tests that the XML output is expected.
 252       """
 253       self._TestXmlOutput(GTEST_PROGRAM_NAME, EXPECTED_NON_EMPTY_XML, 1)
 254
 255   def testNoTestXmlOutput(self):
 256     """Verifies XML output for a Google Test binary without actual tests.
 257
 258     Runs a test program that generates an XML output for a binary without tests,
 259     and tests that the XML output is expected.
 260     """
 261
 262     self._TestXmlOutput('gtest_no_test_unittest', EXPECTED_NO_TEST_XML, 0)
 263
 264   def testTimestampValue(self):
 265     """Checks whether the timestamp attribute in the XML output is valid.
 266
 267     Runs a test program that generates an empty XML output, and checks if
 268     the timestamp attribute in the testsuites tag is valid.
 269     """
 270     actual = self._GetXmlOutput('gtest_no_test_unittest', [], {}, 0)
 271     date_time_str = actual.documentElement.getAttributeNode('timestamp').value
 272     # datetime.strptime() is only available in Python 2.5+ so we have to
 273     # parse the expected datetime manually.
 274     match = re.match(r'(\d+)-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)', date_time_str)
 275     self.assertTrue(
 276         re.match,
 277         'XML datettime string %s has incorrect format' % date_time_str)
 278     date_time_from_xml = datetime.datetime(
 279         year=int(match.group(1)), month=int(match.group(2)),
 280         day=int(match.group(3)), hour=int(match.group(4)),
 281         minute=int(match.group(5)), second=int(match.group(6)))
 282
 283     time_delta = abs(datetime.datetime.now() - date_time_from_xml)
 284     # timestamp value should be near the current local time
 285     self.assertTrue(time_delta < datetime.timedelta(seconds=600),
 286                     'time_delta is %s' % time_delta)
 287     actual.unlink()
 288
 289   def testDefaultOutputFile(self):
 290     """
 291     Confirms that Google Test produces an XML output file with the expected
 292     default name if no name is explicitly specified.
 293     """
 294     output_file = os.path.join(gtest_test_utils.GetTempDir(),
 295                                GTEST_DEFAULT_OUTPUT_FILE)
 296     gtest_prog_path = gtest_test_utils.GetTestExecutablePath(
 297         'gtest_no_test_unittest')
 298     try:
 299       os.remove(output_file)
 300     except OSError:
 301       e = sys.exc_info()[1]
 302       if e.errno != errno.ENOENT:
 303         raise
 304
 305     p = gtest_test_utils.Subprocess(
 306         [gtest_prog_path, '%s=xml' % GTEST_OUTPUT_FLAG],
 307         working_dir=gtest_test_utils.GetTempDir())
 308     self.assert_(p.exited)
 309     self.assertEquals(0, p.exit_code)
 310     self.assert_(os.path.isfile(output_file))
 311
 312   def testSuppressedXmlOutput(self):
 313     """
 314     Tests that no XML file is generated if the default XML listener is
 315     shut down before RUN_ALL_TESTS is invoked.
 316     """
 317
 318     xml_path = os.path.join(gtest_test_utils.GetTempDir(),
 319                             GTEST_PROGRAM_NAME + 'out.xml')
 320     if os.path.isfile(xml_path):
 321       os.remove(xml_path)
 322
 323     command = [GTEST_PROGRAM_PATH,
 324                '%s=xml:%s' % (GTEST_OUTPUT_FLAG, xml_path),
 325                '--shut_down_xml']
 326     p = gtest_test_utils.Subprocess(command)
 327     if p.terminated_by_signal:
 328       # p.signal is available only if p.terminated_by_signal is True.
 329       self.assertFalse(
 330           p.terminated_by_signal,
 331           '%s was killed by signal %d' % (GTEST_PROGRAM_NAME, p.signal))
 332     else:
 333       self.assert_(p.exited)
 334       self.assertEquals(1, p.exit_code,
 335                         "'%s' exited with code %s, which doesn't match "
 336                         'the expected exit code %s.'
 337                         % (command, p.exit_code, 1))
 338
 339     self.assert_(not os.path.isfile(xml_path))
 340
 341   def testFilteredTestXmlOutput(self):
 342     """Verifies XML output when a filter is applied.
 343
 344     Runs a test program that executes only some tests and verifies that
 345     non-selected tests do not show up in the XML output.
 346     """
 347
 348     self._TestXmlOutput(GTEST_PROGRAM_NAME, EXPECTED_FILTERED_TEST_XML, 0,
 349                         extra_args=['%s=SuccessfulTest.*' % GTEST_FILTER_FLAG])
 350
 351   def testShardedTestXmlOutput(self):
 352     """Verifies XML output when run using multiple shards.
 353
 354     Runs a test program that executes only one shard and verifies that tests
 355     from other shards do not show up in the XML output.
 356     """
 357
 358     self._TestXmlOutput(
 359         GTEST_PROGRAM_NAME,
 360         EXPECTED_SHARDED_TEST_XML,
 361         0,
 362         extra_env={SHARD_INDEX_ENV_VAR: '0',
 363                    TOTAL_SHARDS_ENV_VAR: '10'})
 364
 365   def _GetXmlOutput(self, gtest_prog_name, extra_args, extra_env,
 366                     expected_exit_code):
 367     """
 368     Returns the xml output generated by running the program gtest_prog_name.
 369     Furthermore, the program's exit code must be expected_exit_code.
 370     """
 371     xml_path = os.path.join(gtest_test_utils.GetTempDir(),
 372                             gtest_prog_name + 'out.xml')
 373     gtest_prog_path = gtest_test_utils.GetTestExecutablePath(gtest_prog_name)
 374
 375     command = ([gtest_prog_path, '%s=xml:%s' % (GTEST_OUTPUT_FLAG, xml_path)] +
 376                extra_args)
 377     environ_copy = os.environ.copy()
 378     if extra_env:
 379       environ_copy.update(extra_env)
 380     p = gtest_test_utils.Subprocess(command, env=environ_copy)
 381
 382     if p.terminated_by_signal:
 383       self.assert_(False,
 384                    '%s was killed by signal %d' % (gtest_prog_name, p.signal))
 385     else:
 386       self.assert_(p.exited)
 387       self.assertEquals(expected_exit_code, p.exit_code,
 388                         "'%s' exited with code %s, which doesn't match "
 389                         'the expected exit code %s.'
 390                         % (command, p.exit_code, expected_exit_code))
 391     actual = minidom.parse(xml_path)
 392     return actual
 393
 394   def _TestXmlOutput(self, gtest_prog_name, expected_xml,
 395                      expected_exit_code, extra_args=None, extra_env=None):
 396     """
 397     Asserts that the XML document generated by running the program
 398     gtest_prog_name matches expected_xml, a string containing another
 399     XML document.  Furthermore, the program's exit code must be
 400     expected_exit_code.
 401     """
 402
 403     actual = self._GetXmlOutput(gtest_prog_name, extra_args or [],
 404                                 extra_env or {}, expected_exit_code)
 405     expected = minidom.parseString(expected_xml)
 406     self.NormalizeXml(actual.documentElement)
 407     self.AssertEquivalentNodes(expected.documentElement,
 408                                actual.documentElement)
 409     expected.unlink()
 410     actual.unlink()
 411
 412
 413 if __name__ == '__main__':
 414   os.environ['GTEST_STACK_TRACE_DEPTH'] = '1'
 415   gtest_test_utils.Main()