minix/external/bsd/kyua-cli/dist/cli/cmd_help_test.cpp

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// Copyright 2010 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.
#include "cli/cmd_help.hpp"
#include <algorithm>
#include <cstdlib>
#include <iterator>
#include <atf-c++.hpp>
#include "cli/common.ipp"
#include "engine/config.hpp"
#include "utils/cmdline/commands_map.ipp"
#include "utils/cmdline/exceptions.hpp"
#include "utils/cmdline/globals.hpp"
#include "utils/cmdline/options.hpp"
#include "utils/cmdline/parser.hpp"
#include "utils/cmdline/ui_mock.hpp"
#include "utils/defs.hpp"
#include "utils/sanity.hpp"
namespace cmdline = utils::cmdline;
namespace config = utils::config;
using cli::cmd_help;
namespace {
/// Mock command with a simple definition (no options, no arguments).
///
/// Attempting to run this command will result in a crash. It is only provided
/// to validate the generation of interactive help.
class cmd_mock_simple : public cli::cli_command {
public:
/// Constructs a new mock command.
///
/// \param name_ The name of the command to create.
cmd_mock_simple(const char* name_) : cli::cli_command(
name_, "", 0, 0, "Simple command")
{
}
/// Runs the mock command.
///
/// \param unused_ui Object to interact with the I/O of the program.
/// \param unused_cmdline Representation of the command line to the
/// subcommand.
/// \param unused_user_config The runtime configuration of the program.
///
/// \return Nothing because this function is never called.
int
run(cmdline::ui* UTILS_UNUSED_PARAM(ui),
const cmdline::parsed_cmdline& UTILS_UNUSED_PARAM(cmdline),
const config::tree& UTILS_UNUSED_PARAM(user_config))
{
UNREACHABLE;
}
};
/// Mock command with a complex definition (some options, some arguments).
///
/// Attempting to run this command will result in a crash. It is only provided
/// to validate the generation of interactive help.
class cmd_mock_complex : public cli::cli_command {
public:
/// Constructs a new mock command.
///
/// \param name_ The name of the command to create.
cmd_mock_complex(const char* name_) : cli::cli_command(
name_, "[arg1 .. argN]", 0, 2, "Complex command")
{
add_option(cmdline::bool_option("flag_a", "Flag A"));
add_option(cmdline::bool_option('b', "flag_b", "Flag B"));
add_option(cmdline::string_option('c', "flag_c", "Flag C", "c_arg"));
add_option(cmdline::string_option("flag_d", "Flag D", "d_arg", "foo"));
}
/// Runs the mock command.
///
/// \param unused_ui Object to interact with the I/O of the program.
/// \param unused_cmdline Representation of the command line to the
/// subcommand.
/// \param unused_user_config The runtime configuration of the program.
///
/// \return Nothing because this function is never called.
int
run(cmdline::ui* UTILS_UNUSED_PARAM(ui),
const cmdline::parsed_cmdline& UTILS_UNUSED_PARAM(cmdline),
const config::tree& UTILS_UNUSED_PARAM(user_config))
{
UNREACHABLE;
}
};
/// Initializes the cmdline library and generates the set of test commands.
///
/// \param [out] commands A mapping that is updated to contain the commands to
/// use for testing.
static void
setup(cmdline::commands_map< cli::cli_command >& commands)
{
cmdline::init("progname");
commands.insert(new cmd_mock_simple("mock_simple"));
commands.insert(new cmd_mock_complex("mock_complex"));
commands.insert(new cmd_mock_simple("mock_simple_2"), "First");
commands.insert(new cmd_mock_complex("mock_complex_2"), "First");
commands.insert(new cmd_mock_simple("mock_simple_3"), "Second");
}
/// Performs a test on the global help (not that of a subcommand).
///
/// \param general_options The genral options supported by the tool, if any.
/// \param expected_options Expected lines of help output documenting the
/// options in general_options.
/// \param ui The cmdline::mock_ui object to which to write the output.
static void
global_test(const cmdline::options_vector& general_options,
const std::vector< std::string >& expected_options,
cmdline::ui_mock& ui)
{
cmdline::commands_map< cli::cli_command > mock_commands;
setup(mock_commands);
cmdline::args_vector args;
args.push_back("help");
cmd_help cmd(&general_options, &mock_commands);
ATF_REQUIRE_EQ(EXIT_SUCCESS, cmd.main(&ui, args, engine::default_config()));
std::vector< std::string > expected;
expected.push_back("Usage: progname [general_options] command "
"[command_options] [args]");
if (!general_options.empty()) {
expected.push_back("");
expected.push_back("Available general options:");
std::copy(expected_options.begin(), expected_options.end(),
std::back_inserter(expected));
}
expected.push_back("");
expected.push_back("Generic commands:");
expected.push_back(" mock_complex Complex command.");
expected.push_back(" mock_simple Simple command.");
expected.push_back("");
expected.push_back("First commands:");
expected.push_back(" mock_complex_2 Complex command.");
expected.push_back(" mock_simple_2 Simple command.");
expected.push_back("");
expected.push_back("Second commands:");
expected.push_back(" mock_simple_3 Simple command.");
expected.push_back("");
expected.push_back("See kyua(1) for more details.");
ATF_REQUIRE(expected == ui.out_log());
ATF_REQUIRE(ui.err_log().empty());
}
} // anonymous namespace
ATF_TEST_CASE_WITHOUT_HEAD(global__no_options);
ATF_TEST_CASE_BODY(global__no_options)
{
cmdline::ui_mock ui;
cmdline::options_vector general_options;
global_test(general_options, std::vector< std::string >(), ui);
}
ATF_TEST_CASE_WITHOUT_HEAD(global__some_options);
ATF_TEST_CASE_BODY(global__some_options)
{
cmdline::ui_mock ui;
cmdline::options_vector general_options;
const cmdline::bool_option flag_a("flag_a", "Flag A");
general_options.push_back(&flag_a);
const cmdline::string_option flag_c('c', "lc", "Flag C", "X");
general_options.push_back(&flag_c);
std::vector< std::string > expected;
expected.push_back(" --flag_a Flag A.");
expected.push_back(" -c X, --lc=X Flag C.");
global_test(general_options, expected, ui);
}
ATF_TEST_CASE_WITHOUT_HEAD(subcommand__simple);
ATF_TEST_CASE_BODY(subcommand__simple)
{
cmdline::options_vector general_options;
cmdline::commands_map< cli::cli_command > mock_commands;
setup(mock_commands);
cmdline::args_vector args;
args.push_back("help");
args.push_back("mock_simple");
cmd_help cmd(&general_options, &mock_commands);
cmdline::ui_mock ui;
ATF_REQUIRE_EQ(EXIT_SUCCESS, cmd.main(&ui, args, engine::default_config()));
ATF_REQUIRE(atf::utils::grep_collection("^Usage: progname \\[general_options\\] "
"mock_simple$", ui.out_log()));
ATF_REQUIRE(!atf::utils::grep_collection("Available.*options", ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection("^See kyua-mock_simple\\(1\\) for more "
"details.", ui.out_log()));
ATF_REQUIRE(ui.err_log().empty());
}
ATF_TEST_CASE_WITHOUT_HEAD(subcommand__complex);
ATF_TEST_CASE_BODY(subcommand__complex)
{
cmdline::options_vector general_options;
const cmdline::bool_option global_a("global_a", "Global A");
general_options.push_back(&global_a);
const cmdline::string_option global_c('c', "global_c", "Global C",
"c_global");
general_options.push_back(&global_c);
cmdline::commands_map< cli::cli_command > mock_commands;
setup(mock_commands);
cmdline::args_vector args;
args.push_back("help");
args.push_back("mock_complex");
cmd_help cmd(&general_options, &mock_commands);
cmdline::ui_mock ui;
ATF_REQUIRE_EQ(EXIT_SUCCESS, cmd.main(&ui, args, engine::default_config()));
ATF_REQUIRE(atf::utils::grep_collection(
"^Usage: progname \\[general_options\\] mock_complex "
"\\[command_options\\] \\[arg1 .. argN\\]$", ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection("Available general options",
ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection("--global_a", ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection("--global_c=c_global",
ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection("Available command options",
ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection("--flag_a *Flag A",
ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection("-b.*--flag_b *Flag B",
ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection(
"-c c_arg.*--flag_c=c_arg *Flag C", ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection(
"--flag_d=d_arg *Flag D.*default.*foo", ui.out_log()));
ATF_REQUIRE(atf::utils::grep_collection(
"^See kyua-mock_complex\\(1\\) for more details.", ui.out_log()));
ATF_REQUIRE(ui.err_log().empty());
}
ATF_TEST_CASE_WITHOUT_HEAD(subcommand__unknown);
ATF_TEST_CASE_BODY(subcommand__unknown)
{
cmdline::options_vector general_options;
cmdline::commands_map< cli::cli_command > mock_commands;
setup(mock_commands);
cmdline::args_vector args;
args.push_back("help");
args.push_back("foobar");
cmd_help cmd(&general_options, &mock_commands);
cmdline::ui_mock ui;
ATF_REQUIRE_THROW_RE(cmdline::usage_error, "command foobar.*not exist",
cmd.main(&ui, args, engine::default_config()));
ATF_REQUIRE(ui.out_log().empty());
ATF_REQUIRE(ui.err_log().empty());
}
ATF_TEST_CASE_WITHOUT_HEAD(invalid_args);
ATF_TEST_CASE_BODY(invalid_args)
{
cmdline::options_vector general_options;
cmdline::commands_map< cli::cli_command > mock_commands;
setup(mock_commands);
cmdline::args_vector args;
args.push_back("help");
args.push_back("mock_simple");
args.push_back("mock_complex");
cmd_help cmd(&general_options, &mock_commands);
cmdline::ui_mock ui;
ATF_REQUIRE_THROW_RE(cmdline::usage_error, "Too many arguments",
cmd.main(&ui, args, engine::default_config()));
ATF_REQUIRE(ui.out_log().empty());
ATF_REQUIRE(ui.err_log().empty());
}
ATF_INIT_TEST_CASES(tcs)
{
ATF_ADD_TEST_CASE(tcs, global__no_options);
ATF_ADD_TEST_CASE(tcs, global__some_options);
ATF_ADD_TEST_CASE(tcs, subcommand__simple);
ATF_ADD_TEST_CASE(tcs, subcommand__complex);
ATF_ADD_TEST_CASE(tcs, subcommand__unknown);
ATF_ADD_TEST_CASE(tcs, invalid_args);
}