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// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "winapi-common" project.
// For details, see https://github.com/egor-tensin/winapi-common.
// Distributed under the MIT License.
#include <winapi/cmd_line.hpp>
#include <winapi/pipe.hpp>
#include <winapi/process.hpp>
#include <winapi/utf8.hpp>
#include <boost/test/unit_test.hpp>
#include <stdexcept>
#include <string>
#include <utility>
using namespace winapi;
namespace {
class WithEchoExe {
public:
WithEchoExe() : m_echo_exe(find_echo_exe()) {}
const std::string& get_echo_exe() { return m_echo_exe; }
private:
static std::string find_echo_exe() {
static const std::string prefix{"--echo_exe="};
return find_param_value(prefix);
}
static std::string find_param_value(const std::string& param_prefix) {
const auto cmd_line = CommandLine::query();
const auto& args = cmd_line.get_args();
for (const auto& arg : args) {
if (arg.rfind(param_prefix, 0) == 0) {
return arg.substr(param_prefix.length());
}
}
throw std::runtime_error{"couldn't find parameter " + param_prefix};
}
const std::string m_echo_exe;
};
} // namespace
BOOST_AUTO_TEST_SUITE(process_tests)
BOOST_FIXTURE_TEST_CASE(create_echo, WithEchoExe) {
const CommandLine cmd_line{get_echo_exe()};
auto process = Process::create(cmd_line);
process.wait();
BOOST_TEST(true, "Successfully created test process");
}
BOOST_FIXTURE_TEST_CASE(create_echo_with_args, WithEchoExe) {
const CommandLine cmd_line{get_echo_exe(), {"1", "2", "3"}};
auto process = Process::create(cmd_line);
process.wait();
}
BOOST_FIXTURE_TEST_CASE(create_echo_pipe, WithEchoExe) {
const CommandLine cmd_line{get_echo_exe(), {"1", "2", "3"}};
Process::IO io;
Pipe stdout_pipe;
io.std_out = process::Stdout{stdout_pipe};
auto process = Process::create(cmd_line, std::move(io));
const auto output = stdout_pipe.read_end().read();
process.wait();
const auto utf8 = narrow(output);
BOOST_TEST(utf8 == "1\r\n2\r\n3\r\n");
}
BOOST_AUTO_TEST_SUITE_END()
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