#!/usr/bin/env python
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# * Redistributions of source code must retain the above copyright
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# * Redistributions in binary form must reproduce the above
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# in the documentation and/or other materials provided with the
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"""Unit test for the gtest_json_output module."""
import datetime
import errno
import json
import os
import re
import sys
import gtest_json_test_utils
import gtest_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.json'
GTEST_PROGRAM_NAME = 'gtest_xml_output_unittest_'
# The flag indicating stacktraces are not supported
NO_STACKTRACE_SUPPORT_FLAG = '--no_stacktrace_support'
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 = ''
EXPECTED_NON_EMPTY = {
u'tests': 23,
u'failures': 4,
u'disabled': 2,
u'errors': 0,
u'timestamp': u'*',
u'time': u'*',
u'ad_hoc_property': u'42',
u'name': u'AllTests',
u'testsuites': [
{
u'name': u'SuccessfulTest',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'Succeeds',
u'status': u'RUN',
u'time': u'*',
u'classname': u'SuccessfulTest'
}
]
},
{
u'name': u'FailedTest',
u'tests': 1,
u'failures': 1,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'Fails',
u'status': u'RUN',
u'time': u'*',
u'classname': u'FailedTest',
u'failures': [
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Expected equality of these values:\n'
u' 1\n 2' + STACK_TRACE_TEMPLATE,
u'type': u''
}
]
}
]
},
{
u'name': u'DisabledTest',
u'tests': 1,
u'failures': 0,
u'disabled': 1,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'DISABLED_test_not_run',
u'status': u'NOTRUN',
u'time': u'*',
u'classname': u'DisabledTest'
}
]
},
{
u'name': u'MixedResultTest',
u'tests': 3,
u'failures': 1,
u'disabled': 1,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'Succeeds',
u'status': u'RUN',
u'time': u'*',
u'classname': u'MixedResultTest'
},
{
u'name': u'Fails',
u'status': u'RUN',
u'time': u'*',
u'classname': u'MixedResultTest',
u'failures': [
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Expected equality of these values:\n'
u' 1\n 2' + STACK_TRACE_TEMPLATE,
u'type': u''
},
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Expected equality of these values:\n'
u' 2\n 3' + STACK_TRACE_TEMPLATE,
u'type': u''
}
]
},
{
u'name': u'DISABLED_test',
u'status': u'NOTRUN',
u'time': u'*',
u'classname': u'MixedResultTest'
}
]
},
{
u'name': u'XmlQuotingTest',
u'tests': 1,
u'failures': 1,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'OutputsCData',
u'status': u'RUN',
u'time': u'*',
u'classname': u'XmlQuotingTest',
u'failures': [
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Failed\nXML output: <?xml encoding="utf-8">'
u'<top><![CDATA[cdata text]]></top>' +
STACK_TRACE_TEMPLATE,
u'type': u''
}
]
}
]
},
{
u'name': u'InvalidCharactersTest',
u'tests': 1,
u'failures': 1,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'InvalidCharactersInMessage',
u'status': u'RUN',
u'time': u'*',
u'classname': u'InvalidCharactersTest',
u'failures': [
{
u'failure':
u'gtest_xml_output_unittest_.cc:*\n'
u'Failed\nInvalid characters in brackets'
u' [\x01\x02]' + STACK_TRACE_TEMPLATE,
u'type': u''
}
]
}
]
},
{
u'name': u'PropertyRecordingTest',
u'tests': 4,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'SetUpTestCase': u'yes',
u'TearDownTestCase': u'aye',
u'testsuite': [
{
u'name': u'OneProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyRecordingTest',
u'key_1': u'1'
},
{
u'name': u'IntValuedProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyRecordingTest',
u'key_int': u'1'
},
{
u'name': u'ThreeProperties',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyRecordingTest',
u'key_1': u'1',
u'key_2': u'2',
u'key_3': u'3'
},
{
u'name': u'TwoValuesForOneKeyUsesLastValue',
u'status': u'RUN',
u'time': u'*',
u'classname': u'PropertyRecordingTest',
u'key_1': u'2'
}
]
},
{
u'name': u'NoFixtureTest',
u'tests': 3,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'RecordProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'NoFixtureTest',
u'key': u'1'
},
{
u'name': u'ExternalUtilityThatCallsRecordIntValuedProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'NoFixtureTest',
u'key_for_utility_int': u'1'
},
{
u'name':
u'ExternalUtilityThatCallsRecordStringValuedProperty',
u'status': u'RUN',
u'time': u'*',
u'classname': u'NoFixtureTest',
u'key_for_utility_string': u'1'
}
]
},
{
u'name': u'TypedTest/0',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasTypeParamAttribute',
u'type_param': u'int',
u'status': u'RUN',
u'time': u'*',
u'classname': u'TypedTest/0'
}
]
},
{
u'name': u'TypedTest/1',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasTypeParamAttribute',
u'type_param': u'long',
u'status': u'RUN',
u'time': u'*',
u'classname': u'TypedTest/1'
}
]
},
{
u'name': u'Single/TypeParameterizedTestCase/0',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasTypeParamAttribute',
u'type_param': u'int',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/TypeParameterizedTestCase/0'
}
]
},
{
u'name': u'Single/TypeParameterizedTestCase/1',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasTypeParamAttribute',
u'type_param': u'long',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/TypeParameterizedTestCase/1'
}
]
},
{
u'name': u'Single/ValueParamTest',
u'tests': 4,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [
{
u'name': u'HasValueParamAttribute/0',
u'value_param': u'33',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/ValueParamTest'
},
{
u'name': u'HasValueParamAttribute/1',
u'value_param': u'42',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/ValueParamTest'
},
{
u'name': u'AnotherTestThatHasValueParamAttribute/0',
u'value_param': u'33',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/ValueParamTest'
},
{
u'name': u'AnotherTestThatHasValueParamAttribute/1',
u'value_param': u'42',
u'status': u'RUN',
u'time': u'*',
u'classname': u'Single/ValueParamTest'
}
]
}
]
}
EXPECTED_FILTERED = {
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'timestamp': u'*',
u'name': u'AllTests',
u'ad_hoc_property': u'42',
u'testsuites': [{
u'name': u'SuccessfulTest',
u'tests': 1,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'testsuite': [{
u'name': u'Succeeds',
u'status': u'RUN',
u'time': u'*',
u'classname': u'SuccessfulTest',
}]
}],
}
EXPECTED_EMPTY = {
u'tests': 0,
u'failures': 0,
u'disabled': 0,
u'errors': 0,
u'time': u'*',
u'timestamp': u'*',
u'name': u'AllTests',
u'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 GTestJsonOutputUnitTest(gtest_test_utils.TestCase):
"""Unit test for Google Test's JSON 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 testNonEmptyJsonOutput(self):
"""Verifies JSON output for a Google Test binary with non-empty output.
Runs a test program that generates a non-empty JSON output, and
tests that the JSON output is expected.
"""
self._TestJsonOutput(GTEST_PROGRAM_NAME, EXPECTED_NON_EMPTY, 1)
def testEmptyJsonOutput(self):
"""Verifies JSON output for a Google Test binary without actual tests.
Runs a test program that generates an empty JSON output, and
tests that the JSON output is expected.
"""
self._TestJsonOutput('gtest_no_test_unittest', EXPECTED_EMPTY, 0)
def testTimestampValue(self):
"""Checks whether the timestamp attribute in the JSON output is valid.
Runs a test program that generates an empty JSON output, and checks if
the timestamp attribute in the testsuites tag is valid.
"""
actual = self._GetJsonOutput('gtest_no_test_unittest', [], 0)
date_time_str = actual['timestamp']
# 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,
'JSON datettime string %s has incorrect format' % date_time_str)
date_time_from_json = 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_json)
# timestamp value should be near the current local time
self.assertTrue(time_delta < datetime.timedelta(seconds=600),
'time_delta is %s' % time_delta)
def testDefaultOutputFile(self):
"""Verifies the default output file name.
Confirms that Google Test produces an JSON 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 = sys.exc_info()[1]
if e.errno != errno.ENOENT:
raise
p = gtest_test_utils.Subprocess(
[gtest_prog_path, '%s=json' % 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 testSuppressedJsonOutput(self):
"""Verifies that no JSON output is generated.
Tests that no JSON file is generated if the default JSON listener is
shut down before RUN_ALL_TESTS is invoked.
"""
json_path = os.path.join(gtest_test_utils.GetTempDir(),
GTEST_PROGRAM_NAME + 'out.json')
if os.path.isfile(json_path):
os.remove(json_path)
command = [GTEST_PROGRAM_PATH,
'%s=json:%s' % (GTEST_OUTPUT_FLAG, json_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(json_path))
def testFilteredTestJsonOutput(self):
"""Verifies JSON 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 JSON output.
"""
self._TestJsonOutput(GTEST_PROGRAM_NAME, EXPECTED_FILTERED, 0,
extra_args=['%s=SuccessfulTest.*' % GTEST_FILTER_FLAG])
def _GetJsonOutput(self, gtest_prog_name, extra_args, expected_exit_code):
"""Returns the JSON output generated by running the program gtest_prog_name.
Furthermore, the program's exit code must be expected_exit_code.
Args:
gtest_prog_name: Google Test binary name.
extra_args: extra arguments to binary invocation.
expected_exit_code: program's exit code.
"""
json_path = os.path.join(gtest_test_utils.GetTempDir(),
gtest_prog_name + 'out.json')
gtest_prog_path = gtest_test_utils.GetTestExecutablePath(gtest_prog_name)
command = (
[gtest_prog_path, '%s=json:%s' % (GTEST_OUTPUT_FLAG, json_path)] +
extra_args
)
p = gtest_test_utils.Subprocess(command)
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))
with open(json_path) as f:
actual = json.load(f)
return actual
def _TestJsonOutput(self, gtest_prog_name, expected,
expected_exit_code, extra_args=None):
"""Checks the JSON output generated by the Google Test binary.
Asserts that the JSON document generated by running the program
gtest_prog_name matches expected_json, a string containing another
JSON document. Furthermore, the program's exit code must be
expected_exit_code.
Args:
gtest_prog_name: Google Test binary name.
expected: expected output.
expected_exit_code: program's exit code.
extra_args: extra arguments to binary invocation.
"""
actual = self._GetJsonOutput(gtest_prog_name, extra_args or [],
expected_exit_code)
self.assertEqual(expected, gtest_json_test_utils.normalize(actual))
if __name__ == '__main__':
if NO_STACKTRACE_SUPPORT_FLAG in sys.argv:
# unittest.main() can't handle unknown flags
sys.argv.remove(NO_STACKTRACE_SUPPORT_FLAG)
os.environ['GTEST_STACK_TRACE_DEPTH'] = '1'
gtest_test_utils.Main()