Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

481 lines (424 sloc) 13.604 kb
/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 2011-2012 Couchbase, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include <gtest/gtest.h>
#include <libcouchbase/couchbase.h>
#include <iostream>
#include <getopt.h>
#include <vector>
#include <sstream>
class CommandLineOption
{
public:
CommandLineOption(char s, const char *l, bool arg) :
shortopt(s), longopt(strdup(l)), hasArgument(arg), found(false),
argument(NULL) {}
~CommandLineOption() {
free(longopt);
}
char shortopt;
char *longopt;
bool hasArgument;
bool found;
char *argument;
};
class Getopt
{
public:
Getopt() {
verbose = getenv("LCB_VERBOSE_TESTS") != 0;
}
Getopt &addOption(CommandLineOption *option) {
options.push_back(option);
return *this;
}
int populateArgv(const std::vector<std::string> &argv, char **av) {
std::vector<std::string>::const_iterator it;
av[0] = const_cast<char *>("getopt-test");
int ii = 1;
if (verbose) {
std::cout << "parse: { ";
}
bool needcomma = false;
for (it = argv.begin(); it != argv.end(); ++it, ++ii) {
av[ii] = const_cast<char *>(it->c_str());
if (verbose) {
if (needcomma) {
std::cout << ", ";
}
std::cout << it->c_str();
}
needcomma = true;
}
if (verbose) {
std::cout << " }" << std::endl;
}
return ii;
}
bool parse(const std::vector<std::string> &argv) {
optind = 0;
optarg = NULL;
if (argv.size() > 256) {
return false;
}
struct option opts[256];
char *av[256] = {};
int argc = populateArgv(argv, av);
memset(opts, 0, 256 * sizeof(*opts));
std::stringstream ss;
std::vector<CommandLineOption *>::iterator iter;
int ii = 0;
for (iter = options.begin(); iter != options.end(); ++iter, ++ii) {
opts[ii].name = (*iter)->longopt;
opts[ii].has_arg = (*iter)->hasArgument ? required_argument : no_argument;
opts[ii].val = (*iter)->shortopt;
ss << (*iter)->shortopt;
if ((*iter)->hasArgument) {
ss << ":";
}
}
optarg = NULL;
optind = 0;
std::string shortopts = ss.str();
int c;
while ((c = getopt_long(argc, av, shortopts.c_str(), opts, NULL)) != -1) {
for (iter = options.begin(); iter != options.end(); ++iter, ++ii) {
if ((*iter)->shortopt == c) {
(*iter)->found = true;
(*iter)->argument = optarg;
break;
}
}
if (iter == options.end()) {
return false;
}
}
return true;
}
bool verbose;
std::vector<CommandLineOption *> options;
};
class GetoptUnitTests : public ::testing::Test
{
protected:
};
static void setup(Getopt &getopt)
{
getopt.addOption(new CommandLineOption('a', "alpha", true)).
addOption(new CommandLineOption('b', "bravo", false)).
addOption(new CommandLineOption('c', "charlie", false));
}
// Verify that we allow no options and that the option array is empty
TEST_F(GetoptUnitTests, testParseEmptyNoOptions)
{
std::vector<std::string> argv;
Getopt getopt;
ASSERT_TRUE(getopt.parse(argv));
ASSERT_EQ(0, getopt.options.size());
ASSERT_EQ(getopt.options.end(), getopt.options.begin());
}
// Verify that we allow no options and that the option array is empty
TEST_F(GetoptUnitTests, testParseEmpty)
{
std::vector<std::string> argv;
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
EXPECT_NE(getopt.options.end(), getopt.options.begin());
// validate that none of the options is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
EXPECT_FALSE((*iter)->found);
}
}
TEST_F(GetoptUnitTests, testParseOnlyArguments)
{
std::vector<std::string> argv;
argv.push_back("foo");
argv.push_back("bar");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
// validate that none of the options is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
ASSERT_FALSE((*iter)->found);
}
ASSERT_EQ(1, optind);
}
TEST_F(GetoptUnitTests, testParseOnlyArgumentsWithSeparatorInThere)
{
std::vector<std::string> argv;
argv.push_back("foo");
argv.push_back("--");
argv.push_back("bar");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
// validate that none of the options is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
EXPECT_FALSE((*iter)->found);
}
}
TEST_F(GetoptUnitTests, testParseSingleLongoptWithoutArgument)
{
std::vector<std::string> argv;
argv.push_back("--bravo");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
// validate that --bravo is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
if ((*iter)->shortopt == 'b') {
EXPECT_TRUE((*iter)->found);
} else {
EXPECT_FALSE((*iter)->found);
}
}
}
TEST_F(GetoptUnitTests, testParseSingleLongoptWithoutRequiredArgument)
{
std::vector<std::string> argv;
argv.push_back("--alpha");
Getopt getopt;
setup(getopt);
ASSERT_FALSE(getopt.parse(argv));
}
TEST_F(GetoptUnitTests, testParseSingleLongoptWithRequiredArgument)
{
std::vector<std::string> argv;
argv.push_back("--alpha=foo");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
// validate that --alpha is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
if ((*iter)->shortopt == 'a') {
EXPECT_TRUE((*iter)->found);
EXPECT_STREQ("foo", (*iter)->argument);
} else {
EXPECT_FALSE((*iter)->found);
}
}
}
TEST_F(GetoptUnitTests, testParseSingleLongoptWithRequiredArgument1)
{
std::vector<std::string> argv;
argv.push_back("--alpha");
argv.push_back("foo");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
// validate that --alpha is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
if ((*iter)->shortopt == 'a') {
EXPECT_TRUE((*iter)->found);
EXPECT_STREQ("foo", (*iter)->argument);
} else {
EXPECT_FALSE((*iter)->found);
}
}
}
TEST_F(GetoptUnitTests, testParseMulipleLongoptWithArgumentsAndOptions)
{
std::vector<std::string> argv;
argv.push_back("--alpha=foo");
argv.push_back("--bravo");
argv.push_back("--charlie");
argv.push_back("foo");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
// validate that --alpha, bravo and charlie is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
EXPECT_TRUE((*iter)->found);
if ((*iter)->shortopt == 'a') {
ASSERT_STREQ("foo", (*iter)->argument);
}
}
ASSERT_EQ(4, optind);
}
TEST_F(GetoptUnitTests, testParseMulipleLongoptWithArgumentsAndOptionsAndSeparator)
{
std::vector<std::string> argv;
argv.push_back("--alpha=foo");
argv.push_back("--");
argv.push_back("--bravo");
argv.push_back("--charlie");
argv.push_back("foo");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
if ((*iter)->shortopt == 'a') {
EXPECT_TRUE((*iter)->found);
EXPECT_STREQ("foo", (*iter)->argument);
} else {
EXPECT_FALSE((*iter)->found);
}
}
ASSERT_EQ(3, optind);
}
TEST_F(GetoptUnitTests, testParseMulipleLongoptWithArgumentsAndOptionsAndSeparator1)
{
std::vector<std::string> argv;
argv.push_back("--alpha");
argv.push_back("foo");
argv.push_back("--");
argv.push_back("--bravo");
argv.push_back("--charlie");
argv.push_back("foo");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
if ((*iter)->shortopt == 'a') {
EXPECT_TRUE((*iter)->found);
EXPECT_STREQ("foo", (*iter)->argument);
} else {
EXPECT_FALSE((*iter)->found);
}
}
ASSERT_EQ(4, optind);
}
TEST_F(GetoptUnitTests, testParseSingleShortoptWithoutArgument)
{
std::vector<std::string> argv;
argv.push_back("-b");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
// validate that -b is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
if ((*iter)->shortopt == 'b') {
EXPECT_TRUE((*iter)->found);
} else {
EXPECT_FALSE((*iter)->found);
}
}
}
TEST_F(GetoptUnitTests, testParseSingleShortoptWithoutRequiredArgument)
{
std::vector<std::string> argv;
argv.push_back("-a");
Getopt getopt;
setup(getopt);
ASSERT_FALSE(getopt.parse(argv));
// validate that none is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
EXPECT_FALSE((*iter)->found);
}
}
TEST_F(GetoptUnitTests, testParseSingleShortoptWithRequiredArgument)
{
std::vector<std::string> argv;
argv.push_back("-a");
argv.push_back("foo");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
// validate that none is set
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
if ((*iter)->shortopt == 'a') {
EXPECT_TRUE((*iter)->found);
EXPECT_STREQ("foo", (*iter)->argument);
} else {
EXPECT_FALSE((*iter)->found);
}
}
}
TEST_F(GetoptUnitTests, testParseMulipleShortoptWithArgumentsAndOptions)
{
std::vector<std::string> argv;
argv.push_back("-a");
argv.push_back("foo");
argv.push_back("-b");
argv.push_back("-c");
argv.push_back("foo");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
EXPECT_TRUE((*iter)->found);
if ((*iter)->shortopt == 'a') {
EXPECT_STREQ("foo", (*iter)->argument);
}
}
ASSERT_EQ(5, optind);
}
TEST_F(GetoptUnitTests, testParseMulipleShortoptWithArgumentsAndOptionsAndSeparator)
{
std::vector<std::string> argv;
argv.push_back("-a");
argv.push_back("foo");
argv.push_back("--");
argv.push_back("-b");
argv.push_back("-c");
argv.push_back("foo");
Getopt getopt;
setup(getopt);
ASSERT_TRUE(getopt.parse(argv));
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
if ((*iter)->shortopt == 'a') {
EXPECT_TRUE((*iter)->found);
EXPECT_STREQ("foo", (*iter)->argument);
} else {
EXPECT_FALSE((*iter)->found);
}
}
ASSERT_EQ(4, optind);
}
TEST_F(GetoptUnitTests, testParseMix)
{
std::vector<std::string> argv;
argv.push_back("-alpha");
argv.push_back("foo");
argv.push_back("-a");
argv.push_back("bar");
argv.push_back("-c");
argv.push_back("--bravo");
argv.push_back("-bc");
argv.push_back("foo");
Getopt getopt;
setup(getopt);
#ifdef _WIN32
ASSERT_FALSE(getopt.parse(argv));
#else
ASSERT_TRUE(getopt.parse(argv));
std::vector<CommandLineOption *>::const_iterator iter;
for (iter = getopt.options.begin(); iter != getopt.options.end(); ++iter) {
EXPECT_TRUE((*iter)->found);
if ((*iter)->shortopt == 'a') {
// the second -a overrides the first
EXPECT_STREQ("bar", (*iter)->argument);
}
}
ASSERT_EQ(7, optind);
#endif
}
Jump to Line
Something went wrong with that request. Please try again.