328 lines
11 KiB
Python
Executable File
328 lines
11 KiB
Python
Executable File
#!/usr/bin/env python
|
|
#
|
|
# Copyright 2008, Google Inc.
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are
|
|
# met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above
|
|
# copyright notice, this list of conditions and the following disclaimer
|
|
# in the documentation and/or other materials provided with the
|
|
# distribution.
|
|
# * Neither the name of Google Inc. nor the names of its
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
"""Tests the text output of Google C++ Testing Framework.
|
|
|
|
SYNOPSIS
|
|
gtest_output_test.py --gtest_build_dir=BUILD/DIR --gengolden
|
|
# where BUILD/DIR contains the built gtest_output_test_ file.
|
|
gtest_output_test.py --gengolden
|
|
gtest_output_test.py
|
|
"""
|
|
|
|
__author__ = 'wan@google.com (Zhanyong Wan)'
|
|
|
|
import os
|
|
import re
|
|
import sys
|
|
import gtest_test_utils
|
|
|
|
|
|
# The flag for generating the golden file
|
|
GENGOLDEN_FLAG = '--gengolden'
|
|
CATCH_EXCEPTIONS_ENV_VAR_NAME = 'GTEST_CATCH_EXCEPTIONS'
|
|
|
|
IS_WINDOWS = os.name == 'nt'
|
|
|
|
if IS_WINDOWS:
|
|
GOLDEN_NAME = 'gtest_output_test_golden_win.txt'
|
|
else:
|
|
GOLDEN_NAME = 'gtest_output_test_golden_lin.txt'
|
|
|
|
PROGRAM_PATH = gtest_test_utils.GetTestExecutablePath('gtest_output_test_')
|
|
|
|
# At least one command we exercise must not have the
|
|
# --gtest_internal_skip_environment_and_ad_hoc_tests flag.
|
|
COMMAND_LIST_TESTS = ({}, [PROGRAM_PATH, '--gtest_list_tests'])
|
|
COMMAND_WITH_COLOR = ({}, [PROGRAM_PATH, '--gtest_color=yes'])
|
|
COMMAND_WITH_TIME = ({}, [PROGRAM_PATH,
|
|
'--gtest_print_time',
|
|
'--gtest_internal_skip_environment_and_ad_hoc_tests',
|
|
'--gtest_filter=FatalFailureTest.*:LoggingTest.*'])
|
|
COMMAND_WITH_DISABLED = (
|
|
{}, [PROGRAM_PATH,
|
|
'--gtest_also_run_disabled_tests',
|
|
'--gtest_internal_skip_environment_and_ad_hoc_tests',
|
|
'--gtest_filter=*DISABLED_*'])
|
|
COMMAND_WITH_SHARDING = (
|
|
{'GTEST_SHARD_INDEX': '1', 'GTEST_TOTAL_SHARDS': '2'},
|
|
[PROGRAM_PATH,
|
|
'--gtest_internal_skip_environment_and_ad_hoc_tests',
|
|
'--gtest_filter=PassingTest.*'])
|
|
|
|
GOLDEN_PATH = os.path.join(gtest_test_utils.GetSourceDir(), GOLDEN_NAME)
|
|
|
|
|
|
def ToUnixLineEnding(s):
|
|
"""Changes all Windows/Mac line endings in s to UNIX line endings."""
|
|
|
|
return s.replace('\r\n', '\n').replace('\r', '\n')
|
|
|
|
|
|
def RemoveLocations(test_output):
|
|
"""Removes all file location info from a Google Test program's output.
|
|
|
|
Args:
|
|
test_output: the output of a Google Test program.
|
|
|
|
Returns:
|
|
output with all file location info (in the form of
|
|
'DIRECTORY/FILE_NAME:LINE_NUMBER: 'or
|
|
'DIRECTORY\\FILE_NAME(LINE_NUMBER): ') replaced by
|
|
'FILE_NAME:#: '.
|
|
"""
|
|
|
|
return re.sub(r'.*[/\\](.+)(\:\d+|\(\d+\))\: ', r'\1:#: ', test_output)
|
|
|
|
|
|
def RemoveStackTraceDetails(output):
|
|
"""Removes all stack traces from a Google Test program's output."""
|
|
|
|
# *? means "find the shortest string that matches".
|
|
return re.sub(r'Stack trace:(.|\n)*?\n\n',
|
|
'Stack trace: (omitted)\n\n', output)
|
|
|
|
|
|
def RemoveStackTraces(output):
|
|
"""Removes all traces of stack traces from a Google Test program's output."""
|
|
|
|
# *? means "find the shortest string that matches".
|
|
return re.sub(r'Stack trace:(.|\n)*?\n\n', '', output)
|
|
|
|
|
|
def RemoveTime(output):
|
|
"""Removes all time information from a Google Test program's output."""
|
|
|
|
return re.sub(r'\(\d+ ms', '(? ms', output)
|
|
|
|
|
|
def RemoveTypeInfoDetails(test_output):
|
|
"""Removes compiler-specific type info from Google Test program's output.
|
|
|
|
Args:
|
|
test_output: the output of a Google Test program.
|
|
|
|
Returns:
|
|
output with type information normalized to canonical form.
|
|
"""
|
|
|
|
# some compilers output the name of type 'unsigned int' as 'unsigned'
|
|
return re.sub(r'unsigned int', 'unsigned', test_output)
|
|
|
|
|
|
def RemoveTestCounts(output):
|
|
"""Removes test counts from a Google Test program's output."""
|
|
|
|
output = re.sub(r'\d+ tests?, listed below',
|
|
'? tests, listed below', output)
|
|
output = re.sub(r'\d+ FAILED TESTS',
|
|
'? FAILED TESTS', output)
|
|
output = re.sub(r'\d+ tests? from \d+ test cases?',
|
|
'? tests from ? test cases', output)
|
|
output = re.sub(r'\d+ tests? from ([a-zA-Z_])',
|
|
r'? tests from \1', output)
|
|
return re.sub(r'\d+ tests?\.', '? tests.', output)
|
|
|
|
|
|
def RemoveMatchingTests(test_output, pattern):
|
|
"""Removes output of specified tests from a Google Test program's output.
|
|
|
|
This function strips not only the beginning and the end of a test but also
|
|
all output in between.
|
|
|
|
Args:
|
|
test_output: A string containing the test output.
|
|
pattern: A regex string that matches names of test cases or
|
|
tests to remove.
|
|
|
|
Returns:
|
|
Contents of test_output with tests whose names match pattern removed.
|
|
"""
|
|
|
|
test_output = re.sub(
|
|
r'.*\[ RUN \] .*%s(.|\n)*?\[( FAILED | OK )\] .*%s.*\n' % (
|
|
pattern, pattern),
|
|
'',
|
|
test_output)
|
|
return re.sub(r'.*%s.*\n' % pattern, '', test_output)
|
|
|
|
|
|
def NormalizeOutput(output):
|
|
"""Normalizes output (the output of gtest_output_test_.exe)."""
|
|
|
|
output = ToUnixLineEnding(output)
|
|
output = RemoveLocations(output)
|
|
output = RemoveStackTraceDetails(output)
|
|
output = RemoveTime(output)
|
|
return output
|
|
|
|
|
|
def GetShellCommandOutput(env_cmd):
|
|
"""Runs a command in a sub-process, and returns its output in a string.
|
|
|
|
Args:
|
|
env_cmd: The shell command. A 2-tuple where element 0 is a dict of extra
|
|
environment variables to set, and element 1 is a string with
|
|
the command and any flags.
|
|
|
|
Returns:
|
|
A string with the command's combined standard and diagnostic output.
|
|
"""
|
|
|
|
# Spawns cmd in a sub-process, and gets its standard I/O file objects.
|
|
# Set and save the environment properly.
|
|
environ = os.environ.copy()
|
|
environ.update(env_cmd[0])
|
|
p = gtest_test_utils.Subprocess(env_cmd[1], env=environ)
|
|
|
|
return p.output
|
|
|
|
|
|
def GetCommandOutput(env_cmd):
|
|
"""Runs a command and returns its output with all file location
|
|
info stripped off.
|
|
|
|
Args:
|
|
env_cmd: The shell command. A 2-tuple where element 0 is a dict of extra
|
|
environment variables to set, and element 1 is a string with
|
|
the command and any flags.
|
|
"""
|
|
|
|
# Disables exception pop-ups on Windows.
|
|
environ, cmdline = env_cmd
|
|
environ = dict(environ) # Ensures we are modifying a copy.
|
|
environ[CATCH_EXCEPTIONS_ENV_VAR_NAME] = '1'
|
|
return NormalizeOutput(GetShellCommandOutput((environ, cmdline)))
|
|
|
|
|
|
def GetOutputOfAllCommands():
|
|
"""Returns concatenated output from several representative commands."""
|
|
|
|
return (GetCommandOutput(COMMAND_WITH_COLOR) +
|
|
GetCommandOutput(COMMAND_WITH_TIME) +
|
|
GetCommandOutput(COMMAND_WITH_DISABLED) +
|
|
GetCommandOutput(COMMAND_WITH_SHARDING))
|
|
|
|
|
|
test_list = GetShellCommandOutput(COMMAND_LIST_TESTS)
|
|
SUPPORTS_DEATH_TESTS = 'DeathTest' in test_list
|
|
SUPPORTS_TYPED_TESTS = 'TypedTest' in test_list
|
|
SUPPORTS_THREADS = 'ExpectFailureWithThreadsTest' in test_list
|
|
SUPPORTS_STACK_TRACES = False
|
|
|
|
CAN_GENERATE_GOLDEN_FILE = (SUPPORTS_DEATH_TESTS and
|
|
SUPPORTS_TYPED_TESTS and
|
|
SUPPORTS_THREADS)
|
|
|
|
|
|
class GTestOutputTest(gtest_test_utils.TestCase):
|
|
def RemoveUnsupportedTests(self, test_output):
|
|
if not SUPPORTS_DEATH_TESTS:
|
|
test_output = RemoveMatchingTests(test_output, 'DeathTest')
|
|
if not SUPPORTS_TYPED_TESTS:
|
|
test_output = RemoveMatchingTests(test_output, 'TypedTest')
|
|
test_output = RemoveMatchingTests(test_output, 'TypedDeathTest')
|
|
test_output = RemoveMatchingTests(test_output, 'TypeParamDeathTest')
|
|
if not SUPPORTS_THREADS:
|
|
test_output = RemoveMatchingTests(test_output,
|
|
'ExpectFailureWithThreadsTest')
|
|
test_output = RemoveMatchingTests(test_output,
|
|
'ScopedFakeTestPartResultReporterTest')
|
|
test_output = RemoveMatchingTests(test_output,
|
|
'WorksConcurrently')
|
|
if not SUPPORTS_STACK_TRACES:
|
|
test_output = RemoveStackTraces(test_output)
|
|
|
|
return test_output
|
|
|
|
def testOutput(self):
|
|
output = GetOutputOfAllCommands()
|
|
|
|
golden_file = open(GOLDEN_PATH, 'rb')
|
|
# A mis-configured source control system can cause \r appear in EOL
|
|
# sequences when we read the golden file irrespective of an operating
|
|
# system used. Therefore, we need to strip those \r's from newlines
|
|
# unconditionally.
|
|
golden = ToUnixLineEnding(golden_file.read())
|
|
golden_file.close()
|
|
|
|
# We want the test to pass regardless of certain features being
|
|
# supported or not.
|
|
|
|
# We still have to remove type name specifics in all cases.
|
|
normalized_actual = RemoveTypeInfoDetails(output)
|
|
normalized_golden = RemoveTypeInfoDetails(golden)
|
|
|
|
if CAN_GENERATE_GOLDEN_FILE:
|
|
self.assertEqual(normalized_golden, normalized_actual)
|
|
else:
|
|
normalized_actual = RemoveTestCounts(normalized_actual)
|
|
normalized_golden = RemoveTestCounts(self.RemoveUnsupportedTests(
|
|
normalized_golden))
|
|
|
|
# This code is very handy when debugging golden file differences:
|
|
if os.getenv('DEBUG_GTEST_OUTPUT_TEST'):
|
|
open(os.path.join(
|
|
gtest_test_utils.GetSourceDir(),
|
|
'_gtest_output_test_normalized_actual.txt'), 'wb').write(
|
|
normalized_actual)
|
|
open(os.path.join(
|
|
gtest_test_utils.GetSourceDir(),
|
|
'_gtest_output_test_normalized_golden.txt'), 'wb').write(
|
|
normalized_golden)
|
|
|
|
self.assertEqual(normalized_golden, normalized_actual)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
if sys.argv[1:] == [GENGOLDEN_FLAG]:
|
|
if CAN_GENERATE_GOLDEN_FILE:
|
|
output = GetOutputOfAllCommands()
|
|
golden_file = open(GOLDEN_PATH, 'wb')
|
|
golden_file.write(output)
|
|
golden_file.close()
|
|
else:
|
|
message = (
|
|
"""Unable to write a golden file when compiled in an environment
|
|
that does not support all the required features (death tests""")
|
|
if IS_WINDOWS:
|
|
message += (
|
|
"""\nand typed tests). Please check that you are using VC++ 8.0 SP1
|
|
or higher as your compiler.""")
|
|
else:
|
|
message += """\ntyped tests, and threads). Please generate the
|
|
golden file using a binary built with those features enabled."""
|
|
|
|
sys.stderr.write(message)
|
|
sys.exit(1)
|
|
else:
|
|
gtest_test_utils.Main()
|