mirror of
https://github.com/transmission/transmission
synced 2024-12-27 18:18:10 +00:00
301 lines
9 KiB
C++
301 lines
9 KiB
C++
// This file Copyright (C) 2017-2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#include "transmission.h"
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#include "error.h"
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#include "file.h"
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#include "platform.h"
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#include "subprocess.h"
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#include "gtest/internal/gtest-port.h" // GetArgvs()
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#include "test-fixtures.h"
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#include <array>
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#include <fstream>
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#include <map>
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#include <string>
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#include <string_view>
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#ifdef _WIN32
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#include <windows.h>
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#define setenv(key, value, unused) SetEnvironmentVariableA(key, value)
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#endif
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namespace libtransmission
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{
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namespace test
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{
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std::string getTestProgramPath(std::string const& filename)
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{
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auto const exe_path = tr_sys_path_resolve(testing::internal::GetArgvs().front().data());
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auto const exe_dir = tr_sys_path_dirname(exe_path);
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return std::string{ exe_dir } + TR_PATH_DELIMITER + filename;
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}
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class SubprocessTest
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: public ::testing::Test
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, public testing::WithParamInterface<std::string>
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{
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protected:
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Sandbox sandbox_;
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[[nodiscard]] std::string buildSandboxPath(std::string const& filename) const
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{
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auto path = sandbox_.path();
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path += TR_PATH_DELIMITER;
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path += filename;
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tr_sys_path_native_separators(&path.front());
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return path;
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}
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[[nodiscard]] static std::string nativeCwd()
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{
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auto path = tr_sys_dir_get_current();
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tr_sys_path_native_separators(path.data());
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return path;
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}
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std::string const arg_dump_args_{ "--dump-args" };
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std::string const arg_dump_env_{ "--dump-env" };
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std::string const arg_dump_cwd_{ "--dump-cwd" };
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std::string self_path_;
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static void waitForFileToExist(std::string const& path)
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{
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auto const test = [path]()
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{
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return tr_sys_path_exists(path.data());
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};
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EXPECT_TRUE(waitFor(test, 30000));
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}
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void SetUp() override
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{
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self_path_ = GetParam();
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}
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};
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TEST_P(SubprocessTest, SpawnAsyncMissingExec)
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{
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auto const missing_exe_path = std::string{ TR_IF_WIN32("C:\\", "/") "tr-missing-test-exe" TR_IF_WIN32(".exe", "") };
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auto args = std::array<char const*, 2>{ missing_exe_path.data(), nullptr };
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tr_error* error = nullptr;
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auto const ret = tr_spawn_async(std::data(args), {}, {}, &error);
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EXPECT_FALSE(ret);
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EXPECT_NE(nullptr, error);
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EXPECT_NE(0, error->code);
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EXPECT_NE(nullptr, error->message);
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tr_error_clear(&error);
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}
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TEST_P(SubprocessTest, SpawnAsyncArgs)
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{
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auto const result_path = buildSandboxPath("result.txt");
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bool const allow_batch_metachars = TR_IF_WIN32(false, true) || !tr_strvEndsWith(tr_strlower(self_path_), ".cmd"sv);
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auto const test_arg1 = std::string{ "arg1 " };
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auto const test_arg2 = std::string{ " arg2" };
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auto const test_arg3 = std::string{};
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auto const test_arg4 = std::string{ "\"arg3'^! $PATH %PATH% \\" };
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auto const args = std::array<char const*, 8>{ self_path_.c_str(),
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result_path.data(),
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arg_dump_args_.data(),
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test_arg1.data(),
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test_arg2.data(),
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test_arg3.data(),
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allow_batch_metachars ? test_arg4.data() : nullptr,
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nullptr };
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tr_error* error = nullptr;
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bool const ret = tr_spawn_async(std::data(args), {}, {}, &error);
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EXPECT_TRUE(ret) << args[0] << ' ' << args[1];
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EXPECT_EQ(nullptr, error) << *error;
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waitForFileToExist(result_path);
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auto in = std::ifstream{ result_path, std::ios_base::in };
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EXPECT_TRUE(in.is_open());
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auto line = std::string{};
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ(test_arg1, line);
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ(test_arg2, line);
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ(test_arg3, line);
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if (allow_batch_metachars)
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{
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ(test_arg4, line);
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}
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EXPECT_FALSE(std::getline(in, line));
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}
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TEST_P(SubprocessTest, SpawnAsyncEnv)
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{
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auto const result_path = buildSandboxPath("result.txt");
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auto const test_env_key1 = std::string{ "VAR1" };
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auto const test_env_key2 = std::string{ "_VAR_2_" };
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auto const test_env_key3 = std::string{ "vAr#" };
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auto const test_env_key4 = std::string{ "FOO" };
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auto const test_env_key5 = std::string{ "ZOO" };
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auto const test_env_key6 = std::string{ "TR_MISSING_TEST_ENV_KEY" };
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auto const test_env_value1 = std::string{ "value1 " };
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auto const test_env_value2 = std::string{ " value2" };
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auto const test_env_value3 = std::string{ " \"value3'^! $PATH %PATH% " };
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auto const test_env_value4 = std::string{ "bar" };
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auto const test_env_value5 = std::string{ "jar" };
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auto args = std::array<char const*, 10>{
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self_path_.c_str(), //
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result_path.data(), //
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arg_dump_env_.data(), //
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test_env_key1.data(), //
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test_env_key2.data(), //
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test_env_key3.data(), //
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test_env_key4.data(), //
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test_env_key5.data(), //
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test_env_key6.data(), //
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nullptr, //
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};
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auto const env = std::map<std::string_view, std::string_view>{
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{ test_env_key1, test_env_value1 },
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{ test_env_key2, test_env_value2 },
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{ test_env_key3, test_env_value3 },
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{ test_env_key5, test_env_value5 },
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};
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setenv("FOO", "bar", 1 /*true*/); // inherited
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setenv("ZOO", "tar", 1 /*true*/); // overridden
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tr_error* error = nullptr;
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bool const ret = tr_spawn_async(std::data(args), env, {}, &error);
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EXPECT_TRUE(ret);
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EXPECT_EQ(nullptr, error) << *error;
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waitForFileToExist(result_path);
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auto in = std::ifstream{ result_path, std::ios_base::in };
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EXPECT_TRUE(in.is_open());
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auto line = std::string{};
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ(test_env_value1, line);
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ(test_env_value2, line);
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ(test_env_value3, line);
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ(test_env_value4, line);
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ(test_env_value5, line);
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EXPECT_TRUE(std::getline(in, line));
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EXPECT_EQ("<null>"sv, line);
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EXPECT_FALSE(std::getline(in, line));
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}
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TEST_P(SubprocessTest, SpawnAsyncCwdExplicit)
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{
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auto const test_dir = sandbox_.path();
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auto const result_path = buildSandboxPath("result.txt");
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auto const args = std::array<char const*, 4>{ self_path_.c_str(), result_path.data(), arg_dump_cwd_.data(), nullptr };
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tr_error* error = nullptr;
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bool const ret = tr_spawn_async(std::data(args), {}, test_dir, &error);
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EXPECT_TRUE(ret);
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EXPECT_EQ(nullptr, error) << *error;
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waitForFileToExist(result_path);
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auto in = std::ifstream{ result_path, std::ios_base::in };
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EXPECT_TRUE(in.is_open());
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auto line = std::string{};
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EXPECT_TRUE(std::getline(in, line));
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auto expected = std::string{ test_dir };
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tr_sys_path_native_separators(std::data(expected));
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auto actual = line;
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tr_sys_path_native_separators(std::data(actual));
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EXPECT_EQ(expected, actual);
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EXPECT_FALSE(std::getline(in, line));
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}
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TEST_P(SubprocessTest, SpawnAsyncCwdInherit)
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{
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auto const result_path = buildSandboxPath("result.txt");
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auto const expected_cwd = nativeCwd();
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auto const args = std::array<char const*, 4>{ self_path_.c_str(), result_path.data(), arg_dump_cwd_.data(), nullptr };
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tr_error* error = nullptr;
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auto const ret = tr_spawn_async(std::data(args), {}, {}, &error);
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EXPECT_TRUE(ret);
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EXPECT_EQ(nullptr, error) << *error;
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waitForFileToExist(result_path);
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auto in = std::ifstream{ result_path, std::ios_base::in };
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EXPECT_TRUE(in.is_open());
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auto line = std::string{};
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EXPECT_TRUE(std::getline(in, line));
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auto actual = line;
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tr_sys_path_native_separators(std::data(actual));
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EXPECT_EQ(expected_cwd, actual);
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EXPECT_FALSE(std::getline(in, line));
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}
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TEST_P(SubprocessTest, SpawnAsyncCwdMissing)
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{
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auto const result_path = buildSandboxPath("result.txt");
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auto const args = std::array<char const*, 4>{ self_path_.c_str(), result_path.data(), arg_dump_cwd_.data(), nullptr };
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tr_error* error = nullptr;
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auto const ret = tr_spawn_async(std::data(args), {}, TR_IF_WIN32("C:\\", "/") "tr-missing-test-work-dir", &error);
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EXPECT_FALSE(ret);
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EXPECT_NE(nullptr, error);
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EXPECT_NE(0, error->code);
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EXPECT_NE(nullptr, error->message);
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tr_error_clear(&error);
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}
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INSTANTIATE_TEST_SUITE_P(
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Subprocess,
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SubprocessTest,
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TR_IF_WIN32(
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::testing::Values( //
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getTestProgramPath("subprocess-test.exe"),
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getTestProgramPath("subprocess-test.cmd")),
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::testing::Values( //
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getTestProgramPath("subprocess-test"))));
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} // namespace test
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} // namespace libtransmission
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