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Implements the --help flag; fixes tests on Windows.

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This commit is contained in:
zhanyong.wan 2009-03-11 22:18:52 +00:00
parent 3d8064999c
commit 87d23e45f0
11 changed files with 382 additions and 46 deletions
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6
Makefile.am
View File

@ -319,6 +319,12 @@ test_gtest_filter_unittest__LDADD = lib/libgtest.la
check_SCRIPTS += test/gtest_filter_unittest.py
TESTS += test/gtest_filter_unittest.py
check_PROGRAMS += test/gtest_help_test_
test_gtest_help_test__SOURCES = test/gtest_help_test_.cc
test_gtest_help_test__LDADD = lib/libgtest_main.la
check_SCRIPTS += test/gtest_help_test.py
TESTS += test/gtest_help_test.py
check_PROGRAMS += test/gtest_list_tests_unittest_
test_gtest_list_tests_unittest__SOURCES = test/gtest_list_tests_unittest_.cc
test_gtest_list_tests_unittest__LDADD = lib/libgtest.la

13
include/gtest/internal/gtest-port.h
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@ -151,9 +151,11 @@
#include <stdio.h>
#include <iostream> // Used for GTEST_CHECK_
#define GTEST_NAME_ "Google Test"
#define GTEST_DEV_EMAIL_ "googletestframework@@googlegroups.com"
#define GTEST_FLAG_PREFIX_ "gtest_"
#define GTEST_FLAG_PREFIX_UPPER_ "GTEST_"
#define GTEST_NAME_ "Google Test"
#define GTEST_PROJECT_URL_ "http://code.google.com/p/googletest/"
// Determines the version of gcc that is used to compile this.
#ifdef __GNUC__
@ -696,13 +698,18 @@ struct is_pointer : public false_type {};
template <typename T>
struct is_pointer<T*> : public true_type {};
#if GTEST_OS_WINDOWS
#define GTEST_PATH_SEP_ "\\"
#else
#define GTEST_PATH_SEP_ "/"
#endif // GTEST_OS_WINDOWS
// Defines BiggestInt as the biggest signed integer type the compiler
// supports.
#if GTEST_OS_WINDOWS
typedef __int64 BiggestInt;
#else
typedef long long BiggestInt; // NOLINT
typedef long long BiggestInt; // NOLINT
#endif // GTEST_OS_WINDOWS
// The maximum number a BiggestInt can represent. This definition

1
scons/SConscript
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@ -213,6 +213,7 @@ GtestBinary(env_with_exceptions,
# TODO(wan@google.com) Add these unit tests:
# - gtest_break_on_failure_unittest_
# - gtest_filter_unittest_
# - gtest_help_test_
# - gtest_list_tests_unittest_
# - gtest_throw_on_failure_ex_test
# - gtest_throw_on_failure_test_

145
src/gtest.cc
View File

@ -244,6 +244,10 @@ GTEST_DEFINE_bool_(
namespace internal {
// g_help_flag is true iff the --help flag or an equivalent form is
// specified on the command line.
static bool g_help_flag = false;
// GTestIsInitialized() returns true iff the user has initialized
// Google Test. Useful for catching the user mistake of not initializing
// Google Test before calling RUN_ALL_TESTS().
@ -2471,6 +2475,7 @@ static void PrintTestPartResult(
namespace internal {
enum GTestColor {
COLOR_DEFAULT,
COLOR_RED,
COLOR_GREEN,
COLOR_YELLOW
@ -2484,20 +2489,21 @@ WORD GetColorAttribute(GTestColor color) {
case COLOR_RED: return FOREGROUND_RED;
case COLOR_GREEN: return FOREGROUND_GREEN;
case COLOR_YELLOW: return FOREGROUND_RED | FOREGROUND_GREEN;
default: return 0;
}
return 0;
}
#else
// Returns the ANSI color code for the given color.
// Returns the ANSI color code for the given color. COLOR_DEFAULT is
// an invalid input.
const char* GetAnsiColorCode(GTestColor color) {
switch (color) {
case COLOR_RED: return "1";
case COLOR_GREEN: return "2";
case COLOR_YELLOW: return "3";
default: return NULL;
};
return NULL;
}
#endif // GTEST_OS_WINDOWS && !_WIN32_WCE
@ -2540,9 +2546,11 @@ void ColoredPrintf(GTestColor color, const char* fmt, ...) {
va_start(args, fmt);
#if defined(_WIN32_WCE) || GTEST_OS_SYMBIAN || GTEST_OS_ZOS
static const bool use_color = false;
const bool use_color = false;
#else
static const bool use_color = ShouldUseColor(isatty(fileno(stdout)) != 0);
static const bool in_color_mode =
ShouldUseColor(isatty(fileno(stdout)) != 0);
const bool use_color = in_color_mode && (color != COLOR_DEFAULT);
#endif // defined(_WIN32_WCE) || GTEST_OS_SYMBIAN || GTEST_OS_ZOS
// The '!= 0' comparison is necessary to satisfy MSVC 7.1.
@ -2577,6 +2585,7 @@ void ColoredPrintf(GTestColor color, const char* fmt, ...) {
} // namespace internal
using internal::ColoredPrintf;
using internal::COLOR_DEFAULT;
using internal::COLOR_RED;
using internal::COLOR_GREEN;
using internal::COLOR_YELLOW;
@ -3590,6 +3599,10 @@ int UnitTestImpl::RunAllTests() {
return 1;
}
// Do not run any test if the --help flag was specified.
if (g_help_flag)
return 0;
RegisterParameterizedTests();
// Even if sharding is not on, test runners may want to use the
@ -3789,9 +3802,9 @@ bool ShouldRunTestOnShard(int total_shards, int shard_index, int test_id) {
// Returns the number of tests that should run.
int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
const Int32 total_shards = shard_tests == HONOR_SHARDING_PROTOCOL ?
Int32FromEnvOrDie(kTestTotalShards, -1) : -1;
Int32FromEnvOrDie(kTestTotalShards, -1) : -1;
const Int32 shard_index = shard_tests == HONOR_SHARDING_PROTOCOL ?
Int32FromEnvOrDie(kTestShardIndex, -1) : -1;
Int32FromEnvOrDie(kTestShardIndex, -1) : -1;
// num_runnable_tests are the number of tests that will
// run across all shards (i.e., match filter and are not disabled).
@ -3800,7 +3813,7 @@ int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
int num_runnable_tests = 0;
int num_selected_tests = 0;
for (const internal::ListNode<TestCase *> *test_case_node =
test_cases_.Head();
test_cases_.Head();
test_case_node != NULL;
test_case_node = test_case_node->next()) {
TestCase * const test_case = test_case_node->element();
@ -3808,7 +3821,7 @@ int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
test_case->set_should_run(false);
for (const internal::ListNode<TestInfo *> *test_info_node =
test_case->test_info_list().Head();
test_case->test_info_list().Head();
test_info_node != NULL;
test_info_node = test_info_node->next()) {
TestInfo * const test_info = test_info_node->element();
@ -3816,10 +3829,10 @@ int UnitTestImpl::FilterTests(ReactionToSharding shard_tests) {
// A test is disabled if test case name or test name matches
// kDisableTestFilter.
const bool is_disabled =
internal::UnitTestOptions::MatchesFilter(test_case_name,
kDisableTestFilter) ||
internal::UnitTestOptions::MatchesFilter(test_name,
kDisableTestFilter);
internal::UnitTestOptions::MatchesFilter(test_case_name,
kDisableTestFilter) ||
internal::UnitTestOptions::MatchesFilter(test_name,
kDisableTestFilter);
test_info->impl()->set_is_disabled(is_disabled);
const bool is_runnable =
@ -4089,6 +4102,102 @@ bool ParseStringFlag(const char* str, const char* flag, String* value) {
return true;
}
// Prints a string containing code-encoded text. The following escape
// sequences can be used in the string to control the text color:
//
// @@ prints a single '@' character.
// @R changes the color to red.
// @G changes the color to green.
// @Y changes the color to yellow.
// @D changes to the default terminal text color.
//
// TODO(wan@google.com): Write tests for this once we add stdout
// capturing to Google Test.
static void PrintColorEncoded(const char* str) {
GTestColor color = COLOR_DEFAULT; // The current color.
// Conceptually, we split the string into segments divided by escape
// sequences. Then we print one segment at a time. At the end of
// each iteration, the str pointer advances to the beginning of the
// next segment.
for (;;) {
const char* p = strchr(str, '@');
if (p == NULL) {
ColoredPrintf(color, "%s", str);
return;
}
ColoredPrintf(color, "%s", String(str, p - str).c_str());
const char ch = p[1];
str = p + 2;
if (ch == '@') {
ColoredPrintf(color, "@");
} else if (ch == 'D') {
color = COLOR_DEFAULT;
} else if (ch == 'R') {
color = COLOR_RED;
} else if (ch == 'G') {
color = COLOR_GREEN;
} else if (ch == 'Y') {
color = COLOR_YELLOW;
} else {
--str;
}
}
}
static const char kColorEncodedHelpMessage[] =
"This program contains tests written using " GTEST_NAME_ ". You can use the\n"
"following command line flags to control its behavior:\n"
"\n"
"Test Selection:\n"
" @G--" GTEST_FLAG_PREFIX_ "list_tests@D\n"
" List the names of all tests instead of running them. The name of\n"
" TEST(Foo, Bar) is \"Foo.Bar\".\n"
" @G--" GTEST_FLAG_PREFIX_ "filter=@YPOSTIVE_PATTERNS"
"[@G-@YNEGATIVE_PATTERNS]@D\n"
" Run only the tests whose name matches one of the positive patterns but\n"
" none of the negative patterns. '?' matches any single character; '*'\n"
" matches any substring; ':' separates two patterns.\n"
" @G--" GTEST_FLAG_PREFIX_ "also_run_disabled_tests@D\n"
" Run all disabled tests too.\n"
" @G--" GTEST_FLAG_PREFIX_ "repeat=@Y[COUNT]@D\n"
" Run the tests repeatedly; use a negative count to repeat forever.\n"
"\n"
"Test Output:\n"
" @G--" GTEST_FLAG_PREFIX_ "color=@Y(@Gyes@Y|@Gno@Y|@Gauto@Y)@D\n"
" Enable/disable colored output. The default is @Gauto@D.\n"
" -@G-" GTEST_FLAG_PREFIX_ "print_time@D\n"
" Print the elapsed time of each test.\n"
" @G--" GTEST_FLAG_PREFIX_ "output=xml@Y[@G:@YDIRECTORY_PATH@G"
GTEST_PATH_SEP_ "@Y|@G:@YFILE_PATH]@D\n"
" Generate an XML report in the given directory or with the given file\n"
" name. @YFILE_PATH@D defaults to @Gtest_details.xml@D.\n"
"\n"
"Failure Behavior:\n"
" @G--" GTEST_FLAG_PREFIX_ "break_on_failure@D\n"
" Turn assertion failures into debugger break-points.\n"
" @G--" GTEST_FLAG_PREFIX_ "throw_on_failure@D\n"
" Turn assertion failures into C++ exceptions.\n"
#if GTEST_OS_WINDOWS
" @G--" GTEST_FLAG_PREFIX_ "catch_exceptions@D\n"
" Suppress pop-ups caused by exceptions.\n"
#endif // GTEST_OS_WINDOWS
"\n"
"Except for @G--" GTEST_FLAG_PREFIX_ "list_tests@D, you can alternatively set "
"the corresponding\n"
"environment variable of a flag (all letters in upper-case). For example, to\n"
"print the elapsed time, you can either specify @G--" GTEST_FLAG_PREFIX_
"print_time@D or set the\n"
"@G" GTEST_FLAG_PREFIX_UPPER_ "PRINT_TIME@D environment variable to a "
"non-zero value.\n"
"\n"
"For more information, please read the " GTEST_NAME_ " documentation at\n"
"@G" GTEST_PROJECT_URL_ "@D. If you find a bug in " GTEST_NAME_ "\n"
"(not one in your own code or tests), please report it to\n"
"@G<" GTEST_DEV_EMAIL_ ">@D.\n";
// Parses the command line for Google Test flags, without initializing
// other parts of Google Test. The type parameter CharType can be
// instantiated to either char or wchar_t.
@ -4137,8 +4246,18 @@ void ParseGoogleTestFlagsOnlyImpl(int* argc, CharType** argv) {
// We also need to decrement the iterator as we just removed
// an element.
i--;
} else if (arg_string == "--help" || arg_string == "-h" ||
arg_string == "-?" || arg_string == "/?") {
g_help_flag = true;
}
}
if (g_help_flag) {
// We print the help here instead of in RUN_ALL_TESTS(), as the
// latter may not be called at all if the user is using Google
// Test with another testing framework.
PrintColorEncoded(kColorEncodedHelpMessage);
}
}
// Parses the command line for Google Test flags, without initializing

13
test/gtest-death-test_test.cc
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@ -33,6 +33,7 @@
#include <gtest/gtest-death-test.h>
#include <gtest/gtest.h>
#include <gtest/internal/gtest-filepath.h>
#if GTEST_HAS_DEATH_TEST
@ -62,6 +63,7 @@ using testing::Message;
using testing::internal::DeathTest;
using testing::internal::DeathTestFactory;
using testing::internal::FilePath;
using testing::internal::GetLastSystemErrorMessage;
using testing::internal::ParseNaturalNumber;
using testing::internal::String;
@ -99,6 +101,16 @@ class ReplaceDeathTestFactory {
class TestForDeathTest : public testing::Test {
protected:
TestForDeathTest() : original_dir_(FilePath::GetCurrentDir()) {}
virtual ~TestForDeathTest() {
#if GTEST_OS_WINDOWS
_chdir(original_dir_.c_str());
#else
chdir(original_dir_.c_str());
#endif
}
// A static member function that's expected to die.
static void StaticMemberFunction() {
fprintf(stderr, "%s", "death inside StaticMemberFunction().");
@ -121,6 +133,7 @@ class TestForDeathTest : public testing::Test {
// True iff MemberFunction() should die.
bool should_die_;
const FilePath original_dir_;
};
// A class with a member function that may die.

12
test/gtest-filepath_test.cc
View File

@ -50,16 +50,11 @@
#include "src/gtest-internal-inl.h"
#undef GTEST_IMPLEMENTATION_
#if GTEST_OS_WINDOWS
#ifdef _WIN32_WCE
#include <windows.h> // NOLINT
#else
#elif GTEST_OS_WINDOWS
#include <direct.h> // NOLINT
#endif // _WIN32_WCE
#define GTEST_PATH_SEP_ "\\"
#else
#define GTEST_PATH_SEP_ "/"
#endif // GTEST_OS_WINDOWS
namespace testing {
namespace internal {
@ -88,11 +83,13 @@ int _rmdir(const char* path) {
#ifndef _WIN32_WCE
TEST(GetCurrentDirTest, ReturnsCurrentDir) {
EXPECT_FALSE(FilePath::GetCurrentDir().IsEmpty());
const FilePath original_dir = FilePath::GetCurrentDir();
EXPECT_FALSE(original_dir.IsEmpty());
#if GTEST_OS_WINDOWS
_chdir(GTEST_PATH_SEP_);
const FilePath cwd = FilePath::GetCurrentDir();
_chdir(original_dir.c_str());
// Skips the ":".
const char* const cwd_without_drive = strchr(cwd.c_str(), ':');
ASSERT_TRUE(cwd_without_drive != NULL);
@ -100,6 +97,7 @@ TEST(GetCurrentDirTest, ReturnsCurrentDir) {
#else
chdir(GTEST_PATH_SEP_);
EXPECT_STREQ(GTEST_PATH_SEP_, FilePath::GetCurrentDir().c_str());
chdir(original_dir.c_str());
#endif
}

40
test/gtest-options_test.cc
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@ -98,7 +98,10 @@ TEST(XmlOutputTest, GetOutputFileFromDirectoryPath) {
FilePath("path\\gtest-options_test.xml")).c_str()) == 0 ||
_strcmpi(output_file.c_str(),
GetAbsolutePathOf(
FilePath("path\\gtest-options-ex_test.xml")).c_str()) == 0)
FilePath("path\\gtest-options-ex_test.xml")).c_str()) == 0 ||
_strcmpi(output_file.c_str(),
GetAbsolutePathOf(
FilePath("path\\gtest_all_test.xml")).c_str()) == 0)
<< " output_file = " << output_file;
#else
GTEST_FLAG(output) = "xml:path/";
@ -113,7 +116,13 @@ TEST(XmlOutputTest, GetOutputFileFromDirectoryPath) {
FilePath("path/gtest-options_test.xml")).c_str() ||
output_file ==
GetAbsolutePathOf(
FilePath("path/lt-gtest-options_test.xml")).c_str())
FilePath("path/lt-gtest-options_test.xml")).c_str() ||
output_file ==
GetAbsolutePathOf(
FilePath("path/gtest_all_test.xml")).c_str() ||
output_file ==
GetAbsolutePathOf(
FilePath("path/lt-gtest_all_test.xml")).c_str())
<< " output_file = " << output_file;
#endif
}
@ -123,13 +132,16 @@ TEST(OutputFileHelpersTest, GetCurrentExecutableName) {
const char* const exe_str = executable.c_str();
#if defined(_WIN32_WCE) || GTEST_OS_WINDOWS
ASSERT_TRUE(_strcmpi("gtest-options_test", exe_str) == 0 ||
_strcmpi("gtest-options-ex_test", exe_str) == 0)
_strcmpi("gtest-options-ex_test", exe_str) == 0 ||
_strcmpi("gtest_all_test", exe_str) == 0)
<< "GetCurrentExecutableName() returns " << exe_str;
#else
// TODO(wan@google.com): remove the hard-coded "lt-" prefix when
// Chandler Carruth's libtool replacement is ready.
EXPECT_TRUE(String(exe_str) == "gtest-options_test" ||
String(exe_str) == "lt-gtest-options_test")
String(exe_str) == "lt-gtest-options_test" ||
String(exe_str) == "gtest_all_test" ||
String(exe_str) == "lt-gtest_all_test")
<< "GetCurrentExecutableName() returns " << exe_str;
#endif
}
@ -192,7 +204,11 @@ TEST_F(XmlOutputChangeDirTest, PreserveOriginalWorkingDirWithRelativePath) {
_strcmpi(output_file.c_str(),
FilePath::ConcatPaths(
original_working_dir_,
FilePath("path\\gtest-options-ex_test.xml")).c_str()) == 0)
FilePath("path\\gtest-options-ex_test.xml")).c_str()) == 0 ||
_strcmpi(output_file.c_str(),
FilePath::ConcatPaths(
original_working_dir_,
FilePath("path\\gtest_all_test.xml")).c_str()) == 0)
<< " output_file = " << output_file;
#else
GTEST_FLAG(output) = "xml:path/";
@ -205,7 +221,11 @@ TEST_F(XmlOutputChangeDirTest, PreserveOriginalWorkingDirWithRelativePath) {
EXPECT_TRUE(output_file == FilePath::ConcatPaths(original_working_dir_,
FilePath("path/gtest-options_test.xml")).c_str() ||
output_file == FilePath::ConcatPaths(original_working_dir_,
FilePath("path/lt-gtest-options_test.xml")).c_str())
FilePath("path/lt-gtest-options_test.xml")).c_str() ||
output_file == FilePath::ConcatPaths(original_working_dir_,
FilePath("path/gtest_all_test.xml")).c_str() ||
output_file == FilePath::ConcatPaths(original_working_dir_,
FilePath("path/lt-gtest_all_test.xml")).c_str())
<< " output_file = " << output_file;
#endif
}
@ -230,7 +250,9 @@ TEST_F(XmlOutputChangeDirTest, PreserveOriginalWorkingDirWithAbsolutePath) {
_strcmpi(output_file.c_str(),
FilePath("c:\\tmp\\gtest-options_test.xml").c_str()) == 0 ||
_strcmpi(output_file.c_str(),
FilePath("c:\\tmp\\gtest-options-ex_test.xml").c_str()) == 0)
FilePath("c:\\tmp\\gtest-options-ex_test.xml").c_str()) == 0 ||
_strcmpi(output_file.c_str(),
FilePath("c:\\tmp\\gtest_all_test.xml").c_str()) == 0)
<< " output_file = " << output_file;
#else
GTEST_FLAG(output) = "xml:/tmp/";
@ -241,7 +263,9 @@ TEST_F(XmlOutputChangeDirTest, PreserveOriginalWorkingDirWithAbsolutePath) {
// hard-coded logic when Chandler Carruth's libtool replacement is
// ready.
EXPECT_TRUE(output_file == "/tmp/gtest-options_test.xml" ||
output_file == "/tmp/lt-gtest-options_test.xml")
output_file == "/tmp/lt-gtest-options_test.xml" ||
output_file == "/tmp/gtest_all_test.xml" ||
output_file == "/tmp/lt-gtest_all_test.xml")
<< " output_file = " << output_file;
#endif
}

1
test/gtest_all_test.cc
View File

@ -33,7 +33,6 @@
//
// Sometimes it's desirable to build most of Google Test's own tests
// by compiling a single file. This file serves this purpose.
#include "test/gtest_environment_test.cc"
#include "test/gtest-filepath_test.cc"
#include "test/gtest-linked_ptr_test.cc"
#include "test/gtest-message_test.cc"

127
test/gtest_help_test.py Executable file
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@ -0,0 +1,127 @@
#!/usr/bin/python2.4
#
# Copyright 2009, 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 --help flag of Google C++ Testing Framework.
SYNOPSIS
gtest_help_test.py --gtest_build_dir=BUILD/DIR
# where BUILD/DIR contains the built gtest_help_test_ file.
gtest_help_test.py
"""
__author__ = 'wan@google.com (Zhanyong Wan)'
import gtest_test_utils
import os
import re
import unittest
IS_WINDOWS = os.name == 'nt'
if IS_WINDOWS:
PROGRAM = 'gtest_help_test_.exe'
else:
PROGRAM = 'gtest_help_test_'
PROGRAM_PATH = os.path.join(gtest_test_utils.GetBuildDir(), PROGRAM)
FLAG_PREFIX = '--gtest_'
CATCH_EXCEPTIONS_FLAG = FLAG_PREFIX + 'catch_exceptions'
# The help message must match this regex.
HELP_REGEX = re.compile(
FLAG_PREFIX + r'list_tests.*' +
FLAG_PREFIX + r'filter=.*' +
FLAG_PREFIX + r'also_run_disabled_tests.*' +
FLAG_PREFIX + r'repeat=.*' +
FLAG_PREFIX + r'color=.*' +
FLAG_PREFIX + r'print_time.*' +
FLAG_PREFIX + r'output=.*' +
FLAG_PREFIX + r'break_on_failure.*' +
FLAG_PREFIX + r'throw_on_failure.*',
re.DOTALL)
def RunWithFlag(flag):
"""Runs gtest_help_test_ with the given flag.
Returns:
the exit code and the text output as a tuple.
Args:
flag: the command-line flag to pass to gtest_help_test_, or None.
"""
if flag is None:
command = [PROGRAM_PATH]
else:
command = [PROGRAM_PATH, flag]
child = gtest_test_utils.Subprocess(command)
return child.exit_code, child.output
class GTestHelpTest(unittest.TestCase):
"""Tests the --help flag and its equivalent forms."""
def TestHelpFlag(self, flag):
"""Verifies that the right message is printed and the tests are
skipped when the given flag is specified."""
exit_code, output = RunWithFlag(flag)
self.assertEquals(0, exit_code)
self.assert_(HELP_REGEX.search(output), output)
if IS_WINDOWS:
self.assert_(CATCH_EXCEPTIONS_FLAG in output, output)
else:
self.assert_(CATCH_EXCEPTIONS_FLAG not in output, output)
def testPrintsHelpWithFullFlag(self):
self.TestHelpFlag('--help')
def testPrintsHelpWithShortFlag(self):
self.TestHelpFlag('-h')
def testPrintsHelpWithQuestionFlag(self):
self.TestHelpFlag('-?')
def testPrintsHelpWithWindowsStyleQuestionFlag(self):
self.TestHelpFlag('/?')
def testRunsTestsWithoutHelpFlag(self):
"""Verifies that when no help flag is specified, the tests are run
and the help message is not printed."""
exit_code, output = RunWithFlag(None)
self.assert_(exit_code != 0)
self.assert_(not HELP_REGEX.search(output), output)
if __name__ == '__main__':
gtest_test_utils.Main()

42
test/gtest_help_test_.cc Normal file
View File

@ -0,0 +1,42 @@
// Copyright 2009, 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.
//
// Author: wan@google.com (Zhanyong Wan)
// This program is meant to be run by gtest_help_test.py. Do not run
// it directly.
#include <gtest/gtest.h>
// When a help flag is specified, this program should skip the tests
// and exit with 0; otherwise the following test will be executed,
// causing this program to exit with a non-zero code.
TEST(HelpFlagTest, ShouldNotBeRun) {
ASSERT_TRUE(false) << "Tests shouldn't be run when --help is specified.";
}

28
test/gtest_test_utils.py
View File

@ -124,7 +124,7 @@ def GetExitStatus(exit_code):
class Subprocess:
def __init__(this, command, working_dir=None):
def __init__(self, command, working_dir=None):
"""Changes into a specified directory, if provided, and executes a command.
Restores the old directory afterwards. Execution results are returned
via the following attributes:
@ -137,7 +137,7 @@ class Subprocess:
combined in a string.
Args:
command: A command to run.
command: A command to run, in the form of sys.argv.
working_dir: A directory to change into.
"""
@ -154,8 +154,8 @@ class Subprocess:
cwd=working_dir, universal_newlines=True)
# communicate returns a tuple with the file obect for the child's
# output.
this.output = p.communicate()[0]
this._return_code = p.returncode
self.output = p.communicate()[0]
self._return_code = p.returncode
else:
old_dir = os.getcwd()
try:
@ -163,25 +163,25 @@ class Subprocess:
os.chdir(working_dir)
p = popen2.Popen4(command)
p.tochild.close()
this.output = p.fromchild.read()
self.output = p.fromchild.read()
ret_code = p.wait()
finally:
os.chdir(old_dir)
# Converts ret_code to match the semantics of
# subprocess.Popen.returncode.
if os.WIFSIGNALED(ret_code):
this._return_code = -os.WTERMSIG(ret_code)
self._return_code = -os.WTERMSIG(ret_code)
else: # os.WIFEXITED(ret_code) should return True here.
this._return_code = os.WEXITSTATUS(ret_code)
self._return_code = os.WEXITSTATUS(ret_code)
if this._return_code < 0:
this.terminated_by_signal = True
this.exited = False
this.signal = -this._return_code
if self._return_code < 0:
self.terminated_by_signal = True
self.exited = False
self.signal = -self._return_code
else:
this.terminated_by_signal = False
this.exited = True
this.exit_code = this._return_code
self.terminated_by_signal = False
self.exited = True
self.exit_code = self._return_code
def Main():