#!/usr/bin/env python
#
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"""Unit test for the gtest_xml_output module"""
import datetime
import errno
import os
import re
import sys
from xml.dom import minidom, Node
import gtest_test_utils
import gtest_xml_test_utils
GTEST_FILTER_FLAG = '--gtest_filter'
GTEST_LIST_TESTS_FLAG = '--gtest_list_tests'
GTEST_OUTPUT_FLAG = '--gtest_output'
GTEST_DEFAULT_OUTPUT_FILE = 'test_detail.xml'
GTEST_PROGRAM_NAME = 'gtest_xml_output_unittest_'
# The flag indicating stacktraces are not supported
NO_STACKTRACE_SUPPORT_FLAG = '--no_stacktrace_support'
# The environment variables for test sharding.
TOTAL_SHARDS_ENV_VAR = 'GTEST_TOTAL_SHARDS'
SHARD_INDEX_ENV_VAR = 'GTEST_SHARD_INDEX'
SHARD_STATUS_FILE_ENV_VAR = 'GTEST_SHARD_STATUS_FILE'
SUPPORTS_STACK_TRACES = NO_STACKTRACE_SUPPORT_FLAG not in sys.argv
if SUPPORTS_STACK_TRACES:
STACK_TRACE_TEMPLATE = '\nStack trace:\n*'
else:
STACK_TRACE_TEMPLATE = ''
# unittest.main() can't handle unknown flags
sys.argv.remove(NO_STACKTRACE_SUPPORT_FLAG)
EXPECTED_NON_EMPTY_XML = """<?xml version="1.0" encoding="UTF-8"?>
<testsuites tests="23" failures="4" disabled="2" errors="0" time="*" timestamp="*" name="AllTests" ad_hoc_property="42">
<testsuite name="SuccessfulTest" tests="1" failures="0" disabled="0" errors="0" time="*">
<testcase name="Succeeds" status="run" time="*" classname="SuccessfulTest"/>
</testsuite>
<testsuite name="FailedTest" tests="1" failures="1" disabled="0" errors="0" time="*">
<testcase name="Fails" status="run" time="*" classname="FailedTest">
<failure message="gtest_xml_output_unittest_.cc:*
Expected equality of these values:
 1
 2" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
Expected equality of these values:
1
2%(stack)s]]></failure>
</testcase>
</testsuite>
<testsuite name="MixedResultTest" tests="3" failures="1" disabled="1" errors="0" time="*">
<testcase name="Succeeds" status="run" time="*" classname="MixedResultTest"/>
<testcase name="Fails" status="run" time="*" classname="MixedResultTest">
<failure message="gtest_xml_output_unittest_.cc:*
Expected equality of these values:
 1
 2" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
Expected equality of these values:
1
2%(stack)s]]></failure>
<failure message="gtest_xml_output_unittest_.cc:*
Expected equality of these values:
 2
 3" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
Expected equality of these values:
2
3%(stack)s]]></failure>
</testcase>
<testcase name="DISABLED_test" status="notrun" time="*" classname="MixedResultTest"/>
</testsuite>
<testsuite name="XmlQuotingTest" tests="1" failures="1" disabled="0" errors="0" time="*">
<testcase name="OutputsCData" status="run" time="*" classname="XmlQuotingTest">
<failure message="gtest_xml_output_unittest_.cc:*
Failed
XML output: <?xml encoding="utf-8"><top><![CDATA[cdata text]]></top>" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
Failed
XML output: <?xml encoding="utf-8"><top><![CDATA[cdata text]]>]]><![CDATA[</top>%(stack)s]]></failure>
</testcase>
</testsuite>
<testsuite name="InvalidCharactersTest" tests="1" failures="1" disabled="0" errors="0" time="*">
<testcase name="InvalidCharactersInMessage" status="run" time="*" classname="InvalidCharactersTest">
<failure message="gtest_xml_output_unittest_.cc:*
Failed
Invalid characters in brackets []" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
Failed
Invalid characters in brackets []%(stack)s]]></failure>
</testcase>
</testsuite>
<testsuite name="DisabledTest" tests="1" failures="0" disabled="1" errors="0" time="*">
<testcase name="DISABLED_test_not_run" status="notrun" time="*" classname="DisabledTest"/>
</testsuite>
<testsuite name="PropertyRecordingTest" tests="4" failures="0" disabled="0" errors="0" time="*" SetUpTestCase="yes" TearDownTestCase="aye">
<testcase name="OneProperty" status="run" time="*" classname="PropertyRecordingTest">
<properties>
<property name="key_1" value="1"/>
</properties>
</testcase>
<testcase name="IntValuedProperty" status="run" time="*" classname="PropertyRecordingTest">
<properties>
<property name="key_int" value="1"/>
</properties>
</testcase>
<testcase name="ThreeProperties" status="run" time="*" classname="PropertyRecordingTest">
<properties>
<property name="key_1" value="1"/>
<property name="key_2" value="2"/>
<property name="key_3" value="3"/>
</properties>
</testcase>
<testcase name="TwoValuesForOneKeyUsesLastValue" status="run" time="*" classname="PropertyRecordingTest">
<properties>
<property name="key_1" value="2"/>
</properties>
</testcase>
</testsuite>
<testsuite name="NoFixtureTest" tests="3" failures="0" disabled="0" errors="0" time="*">
<testcase name="RecordProperty" status="run" time="*" classname="NoFixtureTest">
<properties>
<property name="key" value="1"/>
</properties>
</testcase>
<testcase name="ExternalUtilityThatCallsRecordIntValuedProperty" status="run" time="*" classname="NoFixtureTest">
<properties>
<property name="key_for_utility_int" value="1"/>
</properties>
</testcase>
<testcase name="ExternalUtilityThatCallsRecordStringValuedProperty" status="run" time="*" classname="NoFixtureTest">
<properties>
<property name="key_for_utility_string" value="1"/>
</properties>
</testcase>
</testsuite>
<testsuite name="Single/ValueParamTest" tests="4" failures="0" disabled="0" errors="0" time="*">
<testcase name="HasValueParamAttribute/0" value_param="33" status="run" time="*" classname="Single/ValueParamTest" />
<testcase name="HasValueParamAttribute/1" value_param="42" status="run" time="*" classname="Single/ValueParamTest" />
<testcase name="AnotherTestThatHasValueParamAttribute/0" value_param="33" status="run" time="*" classname="Single/ValueParamTest" />
<testcase name="AnotherTestThatHasValueParamAttribute/1" value_param="42" status="run" time="*" classname="Single/ValueParamTest" />
</testsuite>
<testsuite name="TypedTest/0" tests="1" failures="0" disabled="0" errors="0" time="*">
<testcase name="HasTypeParamAttribute" type_param="*" status="run" time="*" classname="TypedTest/0" />
</testsuite>
<testsuite name="TypedTest/1" tests="1" failures="0" disabled="0" errors="0" time="*">
<testcase name="HasTypeParamAttribute" type_param="*" status="run" time="*" classname="TypedTest/1" />
</testsuite>
<testsuite name="Single/TypeParameterizedTestCase/0" tests="1" failures="0" disabled="0" errors="0" time="*">
<testcase name="HasTypeParamAttribute" type_param="*" status="run" time="*" classname="Single/TypeParameterizedTestCase/0" />
</testsuite>
<testsuite name="Single/TypeParameterizedTestCase/1" tests="1" failures="0" disabled="0" errors="0" time="*">
<testcase name="HasTypeParamAttribute" type_param="*" status="run" time="*" classname="Single/TypeParameterizedTestCase/1" />
</testsuite>
</testsuites>""" % {'stack': STACK_TRACE_TEMPLATE}
EXPECTED_FILTERED_TEST_XML = """<?xml version="1.0" encoding="UTF-8"?>
<testsuites tests="1" failures="0" disabled="0" errors="0" time="*"
timestamp="*" name="AllTests" ad_hoc_property="42">
<testsuite name="SuccessfulTest" tests="1" failures="0" disabled="0"
errors="0" time="*">
<testcase name="Succeeds" status="run" time="*" classname="SuccessfulTest"/>
</testsuite>
</testsuites>"""
EXPECTED_SHARDED_TEST_XML = """<?xml version="1.0" encoding="UTF-8"?>
<testsuites tests="3" failures="0" disabled="0" errors="0" time="*" timestamp="*" name="AllTests" ad_hoc_property="42">
<testsuite name="SuccessfulTest" tests="1" failures="0" disabled="0" errors="0" time="*">
<testcase name="Succeeds" status="run" time="*" classname="SuccessfulTest"/>
</testsuite>
<testsuite name="NoFixtureTest" tests="1" failures="0" disabled="0" errors="0" time="*">
<testcase name="RecordProperty" status="run" time="*" classname="NoFixtureTest">
<properties>
<property name="key" value="1"/>
</properties>
</testcase>
</testsuite>
<testsuite name="Single/ValueParamTest" tests="1" failures="0" disabled="0" errors="0" time="*">
<testcase name="AnotherTestThatHasValueParamAttribute/1" value_param="42" status="run" time="*" classname="Single/ValueParamTest" />
</testsuite>
</testsuites>"""
EXPECTED_EMPTY_XML = """<?xml version="1.0" encoding="UTF-8"?>
<testsuites tests="0" failures="0" disabled="0" errors="0" time="*"
timestamp="*" name="AllTests">
</testsuites>"""
GTEST_PROGRAM_PATH = gtest_test_utils.GetTestExecutablePath(GTEST_PROGRAM_NAME)
SUPPORTS_TYPED_TESTS = 'TypedTest' in gtest_test_utils.Subprocess(
[GTEST_PROGRAM_PATH, GTEST_LIST_TESTS_FLAG], capture_stderr=False).output
class GTestXMLOutputUnitTest(gtest_xml_test_utils.GTestXMLTestCase):
"""
Unit test for Google Test's XML output functionality.
"""
# This test currently breaks on platforms that do not support typed and
# type-parameterized tests, so we don't run it under them.
if SUPPORTS_TYPED_TESTS:
def testNonEmptyXmlOutput(self):
"""
Runs a test program that generates a non-empty XML output, and
tests that the XML output is expected.
"""
self._TestXmlOutput(GTEST_PROGRAM_NAME, EXPECTED_NON_EMPTY_XML, 1)
def testEmptyXmlOutput(self):
"""Verifies XML output for a Google Test binary without actual tests.
Runs a test program that generates an empty XML output, and
tests that the XML output is expected.
"""
self._TestXmlOutput('gtest_no_test_unittest', EXPECTED_EMPTY_XML, 0)
def testTimestampValue(self):
"""Checks whether the timestamp attribute in the XML output is valid.
Runs a test program that generates an empty XML output, and checks if
the timestamp attribute in the testsuites tag is valid.
"""
actual = self._GetXmlOutput('gtest_no_test_unittest', [], {}, 0)
date_time_str = actual.documentElement.getAttributeNode('timestamp').value
# datetime.strptime() is only available in Python 2.5+ so we have to
# parse the expected datetime manually.
match = re.match(r'(\d+)-(\d\d)-(\d\d)T(\d\d):(\d\d):(\d\d)', date_time_str)
self.assertTrue(
re.match,
'XML datettime string %s has incorrect format' % date_time_str)
date_time_from_xml = datetime.datetime(
year=int(match.group(1)), month=int(match.group(2)),
day=int(match.group(3)), hour=int(match.group(4)),
minute=int(match.group(5)), second=int(match.group(6)))
time_delta = abs(datetime.datetime.now() - date_time_from_xml)
# timestamp value should be near the current local time
self.assertTrue(time_delta < datetime.timedelta(seconds=600),
'time_delta is %s' % time_delta)
actual.unlink()
def testDefaultOutputFile(self):
"""
Confirms that Google Test produces an XML output file with the expected
default name if no name is explicitly specified.
"""
output_file = os.path.join(gtest_test_utils.GetTempDir(),
GTEST_DEFAULT_OUTPUT_FILE)
gtest_prog_path = gtest_test_utils.GetTestExecutablePath(
'gtest_no_test_unittest')
try:
os.remove(output_file)
except OSError, e:
if e.errno != errno.ENOENT:
raise
p = gtest_test_utils.Subprocess(
[gtest_prog_path, '%s=xml' % GTEST_OUTPUT_FLAG],
working_dir=gtest_test_utils.GetTempDir())
self.assert_(p.exited)
self.assertEquals(0, p.exit_code)
self.assert_(os.path.isfile(output_file))
def testSuppressedXmlOutput(self):
"""
Tests that no XML file is generated if the default XML listener is
shut down before RUN_ALL_TESTS is invoked.
"""
xml_path = os.path.join(gtest_test_utils.GetTempDir(),
GTEST_PROGRAM_NAME + 'out.xml')
if os.path.isfile(xml_path):
os.remove(xml_path)
command = [GTEST_PROGRAM_PATH,
'%s=xml:%s' % (GTEST_OUTPUT_FLAG, xml_path),
'--shut_down_xml']
p = gtest_test_utils.Subprocess(command)
if p.terminated_by_signal:
# p.signal is available only if p.terminated_by_signal is True.
self.assertFalse(
p.terminated_by_signal,
'%s was killed by signal %d' % (GTEST_PROGRAM_NAME, p.signal))
else:
self.assert_(p.exited)
self.assertEquals(1, p.exit_code,
"'%s' exited with code %s, which doesn't match "
'the expected exit code %s.'
% (command, p.exit_code, 1))
self.assert_(not os.path.isfile(xml_path))
def testFilteredTestXmlOutput(self):
"""Verifies XML output when a filter is applied.
Runs a test program that executes only some tests and verifies that
non-selected tests do not show up in the XML output.
"""
self._TestXmlOutput(GTEST_PROGRAM_NAME, EXPECTED_FILTERED_TEST_XML, 0,
extra_args=['%s=SuccessfulTest.*' % GTEST_FILTER_FLAG])
def testShardedTestXmlOutput(self):
"""Verifies XML output when run using multiple shards.
Runs a test program that executes only one shard and verifies that tests
from other shards do not show up in the XML output.
"""
self._TestXmlOutput(
GTEST_PROGRAM_NAME,
EXPECTED_SHARDED_TEST_XML,
0,
extra_env={SHARD_INDEX_ENV_VAR: '0',
TOTAL_SHARDS_ENV_VAR: '10'})
def _GetXmlOutput(self, gtest_prog_name, extra_args, extra_env,
expected_exit_code):
"""
Returns the xml output generated by running the program gtest_prog_name.
Furthermore, the program's exit code must be expected_exit_code.
"""
xml_path = os.path.join(gtest_test_utils.GetTempDir(),
gtest_prog_name + 'out.xml')
gtest_prog_path = gtest_test_utils.GetTestExecutablePath(gtest_prog_name)
command = ([gtest_prog_path, '%s=xml:%s' % (GTEST_OUTPUT_FLAG, xml_path)] +
extra_args)
environ_copy = os.environ.copy()
if extra_env:
environ_copy.update(extra_env)
p = gtest_test_utils.Subprocess(command, env=environ_copy)
if p.terminated_by_signal:
self.assert_(False,
'%s was killed by signal %d' % (gtest_prog_name, p.signal))
else:
self.assert_(p.exited)
self.assertEquals(expected_exit_code, p.exit_code,
"'%s' exited with code %s, which doesn't match "
'the expected exit code %s.'
% (command, p.exit_code, expected_exit_code))
actual = minidom.parse(xml_path)
return actual
def _TestXmlOutput(self, gtest_prog_name, expected_xml,
expected_exit_code, extra_args=None, extra_env=None):
"""
Asserts that the XML document generated by running the program
gtest_prog_name matches expected_xml, a string containing another
XML document. Furthermore, the program's exit code must be
expected_exit_code.
"""
actual = self._GetXmlOutput(gtest_prog_name, extra_args or [],
extra_env or {}, expected_exit_code)
expected = minidom.parseString(expected_xml)
self.NormalizeXml(actual.documentElement)
self.AssertEquivalentNodes(expected.documentElement,
actual.documentElement)
expected.unlink()
actual.unlink()
if __name__ == '__main__':
os.environ['GTEST_STACK_TRACE_DEPTH'] = '1'
gtest_test_utils.Main()