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transmission/tests/libtransmission/api-compat-test.cc
Charles Kerr 9a792046f3 feat: add libtransmission::api_compat::convert() (#7917) 
Add a module to convert between tr4 and tr5 RPC / settings / config file payloads.

This will be used as a compatibility layer between Transmission 5's naming scheme
and Transmission <= 4.

Co-authored-by: Yat Ho <lagoho7@gmail.com>
Co-authored-by: Dzmitry Neviadomski <nevack.d@gmail.com>
2025-12-14 10:56:07 -06:00

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// This file Copyright © Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#include <string_view>
#include <libtransmission/api-compat.h>
#include <libtransmission/quark.h>
#include <libtransmission/variant.h>
#include "gtest/gtest.h"
#include "test-fixtures.h"
namespace
{
constexpr std::string_view LegacySessionGetJson = R"json({
"method": "session-get",
"tag": 0
})json";
constexpr std::string_view CurrentSessionGetJson = R"json({
"id": 0,
"jsonrpc": "2.0",
"method": "session_get"
})json";
constexpr std::string_view LegacySessionGetResponseJson = R"json({
"arguments": {
"alt-speed-down": 50,
"alt-speed-enabled": false,
"alt-speed-time-begin": 540,
"alt-speed-time-day": 127,
"alt-speed-time-enabled": false,
"alt-speed-time-end": 1020,
"alt-speed-up": 50,
"anti-brute-force-enabled": false,
"anti-brute-force-threshold": 100,
"blocklist-enabled": false,
"blocklist-size": 0,
"blocklist-url": "http://www.example.com/blocklist",
"cache-size-mb": 4,
"config-dir": "/home/user/.config/transmission",
"default-trackers": "",
"dht-enabled": true,
"download-dir": "/home/user/Downloads",
"download-dir-free-space": 2199023255552,
"download-queue-enabled": true,
"download-queue-size": 4,
"encryption": "preferred",
"idle-seeding-limit": 30,
"idle-seeding-limit-enabled": false,
"incomplete-dir": "/home/user/Downloads",
"incomplete-dir-enabled": false,
"lpd-enabled": false,
"peer-limit-global": 200,
"peer-limit-per-torrent": 50,
"peer-port": 51413,
"peer-port-random-on-start": false,
"pex-enabled": true,
"port-forwarding-enabled": true,
"preferred_transports": [
"utp",
"tcp"
],
"queue-stalled-enabled": true,
"queue-stalled-minutes": 30,
"rename-partial-files": true,
"reqq": 2000,
"rpc-version": 18,
"rpc-version-minimum": 14,
"rpc-version-semver": "6.0.0",
"script-torrent-added-enabled": false,
"script-torrent-added-filename": "",
"script-torrent-done-enabled": false,
"script-torrent-done-filename": "/home/user/scripts/script.sh",
"script-torrent-done-seeding-enabled": false,
"script-torrent-done-seeding-filename": "",
"seed-queue-enabled": false,
"seed-queue-size": 10,
"seedRatioLimit": 2.0,
"seedRatioLimited": false,
"sequential_download": false,
"session-id": "pdvuklydohaohwwluzpmpmllkaopzzlzzpvupkpuavhjhlzhyjfwoly",
"speed-limit-down": 100.0,
"speed-limit-down-enabled": false,
"speed-limit-up": 100.0,
"speed-limit-up-enabled": false,
"start-added-torrents": true,
"tcp-enabled": true,
"trash-original-torrent-files": false,
"units": {
"memory-bytes": 1024,
"memory-units": [
"B",
"KiB",
"MiB",
"GiB",
"TiB"
],
"size-bytes": 1000,
"size-units": [
"B",
"kB",
"MB",
"GB",
"TB"
],
"speed-bytes": 1000,
"speed-units": [
"B/s",
"kB/s",
"MB/s",
"GB/s",
"TB/s"
]
},
"utp-enabled": true,
"version": "4.1.0-beta.4 (b11bfd9712)"
},
"result": "success",
"tag": 40
})json";
constexpr std::string_view CurrentSessionGetResponseJson = R"json({
"id": 40,
"jsonrpc": "2.0",
"result": {
"alt_speed_down": 50,
"alt_speed_enabled": false,
"alt_speed_time_begin": 540,
"alt_speed_time_day": 127,
"alt_speed_time_enabled": false,
"alt_speed_time_end": 1020,
"alt_speed_up": 50,
"anti_brute_force_enabled": false,
"anti_brute_force_threshold": 100,
"blocklist_enabled": false,
"blocklist_size": 0,
"blocklist_url": "http://www.example.com/blocklist",
"cache_size_mb": 4,
"config_dir": "/home/user/.config/transmission",
"default_trackers": "",
"dht_enabled": true,
"download_dir": "/home/user/Downloads",
"download_dir_free_space": 2199023255552,
"download_queue_enabled": true,
"download_queue_size": 4,
"encryption": "preferred",
"idle_seeding_limit": 30,
"idle_seeding_limit_enabled": false,
"incomplete_dir": "/home/user/Downloads",
"incomplete_dir_enabled": false,
"lpd_enabled": false,
"peer_limit_global": 200,
"peer_limit_per_torrent": 50,
"peer_port": 51413,
"peer_port_random_on_start": false,
"pex_enabled": true,
"port_forwarding_enabled": true,
"preferred_transports": [
"utp",
"tcp"
],
"queue_stalled_enabled": true,
"queue_stalled_minutes": 30,
"rename_partial_files": true,
"reqq": 2000,
"rpc_version": 18,
"rpc_version_minimum": 14,
"rpc_version_semver": "6.0.0",
"script_torrent_added_enabled": false,
"script_torrent_added_filename": "",
"script_torrent_done_enabled": false,
"script_torrent_done_filename": "/home/user/scripts/script.sh",
"script_torrent_done_seeding_enabled": false,
"script_torrent_done_seeding_filename": "",
"seed_queue_enabled": false,
"seed_queue_size": 10,
"seed_ratio_limit": 2.0,
"seed_ratio_limited": false,
"sequential_download": false,
"session_id": "pdvuklydohaohwwluzpmpmllkaopzzlzzpvupkpuavhjhlzhyjfwoly",
"speed_limit_down": 100.0,
"speed_limit_down_enabled": false,
"speed_limit_up": 100.0,
"speed_limit_up_enabled": false,
"start_added_torrents": true,
"tcp_enabled": true,
"trash_original_torrent_files": false,
"units": {
"memory_bytes": 1024,
"memory_units": [
"B",
"KiB",
"MiB",
"GiB",
"TiB"
],
"size_bytes": 1000,
"size_units": [
"B",
"kB",
"MB",
"GB",
"TB"
],
"speed_bytes": 1000,
"speed_units": [
"B/s",
"kB/s",
"MB/s",
"GB/s",
"TB/s"
]
},
"utp_enabled": true,
"version": "4.1.0-beta.4 (b11bfd9712)"
}
})json";
constexpr std::string_view LegacyTorrentGetJson = R"json({
"arguments": {
"fields": [
"downloadDir",
"downloadedEver",
"editDate",
"error",
"errorString",
"eta",
"haveUnchecked",
"haveValid",
"id",
"isFinished",
"leftUntilDone",
"manualAnnounceTime",
"metadataPercentComplete",
"name",
"peersConnected",
"peersGettingFromUs",
"peersSendingToUs",
"percentDone",
"queuePosition",
"rateDownload",
"rateUpload",
"recheckProgress",
"seedRatioLimit",
"seedRatioMode",
"sizeWhenDone",
"status",
"uploadRatio",
"uploadedEver",
"webseedsSendingToUs"
],
"ids": "recently-active"
},
"method": "torrent-get",
"tag": 6
})json";
constexpr std::string_view CurrentTorrentGetJson = R"json({
"id": 6,
"jsonrpc": "2.0",
"method": "torrent_get",
"params": {
"fields": [
"download_dir",
"downloaded_ever",
"edit_date",
"error",
"error_string",
"eta",
"have_unchecked",
"have_valid",
"id",
"is_finished",
"left_until_done",
"manual_announce_time",
"metadata_percent_complete",
"name",
"peers_connected",
"peers_getting_from_us",
"peers_sending_to_us",
"percent_done",
"queue_position",
"rate_download",
"rate_upload",
"recheck_progress",
"seed_ratio_limit",
"seed_ratio_mode",
"size_when_done",
"status",
"upload_ratio",
"uploaded_ever",
"webseeds_sending_to_us"
],
"ids": "recently_active"
}
})json";
constexpr std::string_view CurrentPortTestErrorResponse = R"json({
"error": {
"code": 8,
"data": {
"error_string": "Couldn't test port: No Response (0)",
"result": {
"ip_protocol": "ipv6"
}
},
"message": "HTTP error from backend service"
},
"id": 9,
"jsonrpc": "2.0"
})json";
constexpr std::string_view LegacyPortTestErrorResponse = R"json({
"arguments": {
"ip_protocol": "ipv6"
},
"result": "Couldn't test port: No Response (0)",
"tag": 9
})json";
constexpr std::string_view LegacyStatsJson = R"json({
"downloaded-bytes": 12,
"files-added": 34,
"seconds-active": 56,
"session-count": 78,
"uploaded-bytes": 90
})json";
constexpr std::string_view CurrentStatsJson = R"json({
"downloaded_bytes": 12,
"files_added": 34,
"seconds_active": 56,
"session_count": 78,
"uploaded_bytes": 90
})json";
constexpr std::string_view LegacySettingsJson = R"json({
"alt-speed-down": 50,
"alt-speed-enabled": false,
"alt-speed-time-begin": 540,
"alt-speed-time-day": 127,
"alt-speed-time-enabled": false,
"alt-speed-time-end": 1020,
"alt-speed-up": 50,
"blocklist-date": 0,
"blocklist-enabled": false,
"blocklist-updates-enabled": true,
"blocklist-url": "http://www.example.com/blocklist",
"compact-view": false,
"default-trackers": "",
"dht-enabled": true,
"download-dir": "/home/user/Downloads",
"download-queue-enabled": true,
"download-queue-size": 5,
"encryption": 1,
"filter-mode": "show-all",
"filter-trackers": "",
"idle-seeding-limit": 30,
"idle-seeding-limit-enabled": false,
"incomplete-dir": "/home/user/Downloads",
"incomplete-dir-enabled": false,
"inhibit-desktop-hibernation": false,
"lpd-enabled": true,
"main-window-height": 500,
"main-window-layout-order": "menu,toolbar,filter,list,statusbar",
"main-window-width": 650,
"main-window-x": 3840,
"main-window-y": 0,
"message-level": 4,
"open-dialog-dir": "/home/user",
"peer-limit-global": 200,
"peer-limit-per-torrent": 50,
"peer-port": 51413,
"peer-port-random-high": 65535,
"peer-port-random-low": 49152,
"peer-port-random-on-start": false,
"peer-socket-tos": "le",
"pex-enabled": true,
"port-forwarding-enabled": true,
"preallocation": 1,
"prompt-before-exit": true,
"queue-stalled-minutes": 30,
"ratio-limit": 2.0,
"ratio-limit-enabled": false,
"read-clipboard": false,
"remote-session-enabled": false,
"remote-session-host": "localhost",
"remote-session-https": false,
"remote-session-password": "",
"remote-session-port": 9091,
"remote-session-requres-authentication": false,
"remote-session-username": "",
"rename-partial-files": true,
"rpc-authentication-required": false,
"rpc-enabled": false,
"rpc-password": "",
"rpc-port": 9091,
"rpc-username": "",
"rpc-whitelist": "127.0.0.1,::1",
"rpc-whitelist-enabled": true,
"script-torrent-done-enabled": false,
"script-torrent-done-filename": "",
"script-torrent-done-seeding-enabled": false,
"script-torrent-done-seeding-filename": "",
"show-backup-trackers": false,
"show-filterbar": true,
"show-notification-area-icon": false,
"show-options-window": true,
"show-statusbar": true,
"show-toolbar": true,
"show-tracker-scrapes": false,
"sleep-per-seconds-during-verify": 100,
"sort-mode": "sort-by-name",
"sort-reversed": false,
"speed-limit-down": 100,
"speed-limit-down-enabled": false,
"speed-limit-up": 100,
"speed-limit-up-enabled": false,
"start-added-torrents": true,
"start-minimized": false,
"statusbar-stats": "total-ratio",
"torrent-added-notification-enabled": true,
"torrent-complete-notification-enabled": true,
"torrent-complete-sound-command": [
"canberra-gtk-play",
"-i",
"complete-download",
"-d",
"transmission torrent downloaded"
],
"torrent-complete-sound-enabled": true,
"trash-original-torrent-files": false,
"upload-slots-per-torrent": 8,
"utp-enabled": true,
"watch-dir": "/home/user/Downloads",
"watch-dir-enabled": false
})json";
constexpr std::string_view CurrentSettingsJson = R"json({
"alt_speed_down": 50,
"alt_speed_enabled": false,
"alt_speed_time_begin": 540,
"alt_speed_time_day": 127,
"alt_speed_time_enabled": false,
"alt_speed_time_end": 1020,
"alt_speed_up": 50,
"blocklist_date": 0,
"blocklist_enabled": false,
"blocklist_updates_enabled": true,
"blocklist_url": "http://www.example.com/blocklist",
"compact_view": false,
"default_trackers": "",
"dht_enabled": true,
"download_dir": "/home/user/Downloads",
"download_queue_enabled": true,
"download_queue_size": 5,
"encryption": 1,
"filter_mode": "show-all",
"filter_trackers": "",
"idle_seeding_limit": 30,
"idle_seeding_limit_enabled": false,
"incomplete_dir": "/home/user/Downloads",
"incomplete_dir_enabled": false,
"inhibit_desktop_hibernation": false,
"lpd_enabled": true,
"main_window_height": 500,
"main_window_layout_order": "menu,toolbar,filter,list,statusbar",
"main_window_width": 650,
"main_window_x": 3840,
"main_window_y": 0,
"message_level": 4,
"open_dialog_dir": "/home/user",
"peer_limit_global": 200,
"peer_limit_per_torrent": 50,
"peer_port": 51413,
"peer_port_random_high": 65535,
"peer_port_random_low": 49152,
"peer_port_random_on_start": false,
"peer_socket_tos": "le",
"pex_enabled": true,
"port_forwarding_enabled": true,
"preallocation": 1,
"prompt_before_exit": true,
"queue_stalled_minutes": 30,
"ratio_limit": 2.0,
"ratio_limit_enabled": false,
"read_clipboard": false,
"remote_session_enabled": false,
"remote_session_host": "localhost",
"remote_session_https": false,
"remote_session_password": "",
"remote_session_port": 9091,
"remote_session_requires_authentication": false,
"remote_session_username": "",
"rename_partial_files": true,
"rpc_authentication_required": false,
"rpc_enabled": false,
"rpc_password": "",
"rpc_port": 9091,
"rpc_username": "",
"rpc_whitelist": "127.0.0.1,::1",
"rpc_whitelist_enabled": true,
"script_torrent_done_enabled": false,
"script_torrent_done_filename": "",
"script_torrent_done_seeding_enabled": false,
"script_torrent_done_seeding_filename": "",
"show_backup_trackers": false,
"show_filterbar": true,
"show_notification_area_icon": false,
"show_options_window": true,
"show_statusbar": true,
"show_toolbar": true,
"show_tracker_scrapes": false,
"sleep_per_seconds_during_verify": 100,
"sort_mode": "sort-by-name",
"sort_reversed": false,
"speed_limit_down": 100,
"speed_limit_down_enabled": false,
"speed_limit_up": 100,
"speed_limit_up_enabled": false,
"start_added_torrents": true,
"start_minimized": false,
"statusbar_stats": "total-ratio",
"torrent_added_notification_enabled": true,
"torrent_complete_notification_enabled": true,
"torrent_complete_sound_command": [
"canberra-gtk-play",
"-i",
"complete-download",
"-d",
"transmission torrent downloaded"
],
"torrent_complete_sound_enabled": true,
"trash_original_torrent_files": false,
"upload_slots_per_torrent": 8,
"utp_enabled": true,
"watch_dir": "/home/user/Downloads",
"watch_dir_enabled": false
})json";
constexpr std::string_view BadFreeSpaceRequest = R"json({
"id": 39693,
"jsonrpc": "2.0",
"method": "free_space",
"params": {
"path": "this/path/is/not/absolute"
}
})json";
constexpr std::string_view BadFreeSpaceRequestLegacy = R"json({
"arguments": {
"path": "this/path/is/not/absolute"
},
"method": "free-space",
"tag": 39693
})json";
constexpr std::string_view BadFreeSpaceResponse = R"json({
"error": {
"code": 3,
"data": {
"error_string": "directory path is not absolute"
},
"message": "path is not absolute"
},
"id": 39693,
"jsonrpc": "2.0"
})json";
constexpr std::string_view BadFreeSpaceResponseLegacy = R"json({
"arguments": {},
"result": "directory path is not absolute",
"tag": 39693
})json";
constexpr std::string_view WellFormedFreeSpaceRequest = R"json({
"id": 41414,
"jsonrpc": "2.0",
"method": "free_space",
"params": {
"path": "/this/path/does/not/exist"
}
})json";
constexpr std::string_view WellFormedFreeSpaceResponse = R"json({
"id": 41414,
"jsonrpc": "2.0",
"result": {
"path": "/this/path/does/not/exist",
"size_bytes": -1,
"total_size": -1
}
})json";
constexpr std::string_view WellFormedFreeSpaceLegacyRequest = R"json({
"arguments": {
"path": "/this/path/does/not/exist"
},
"method": "free-space",
"tag": 41414
})json";
constexpr std::string_view WellFormedFreeSpaceLegacyResponse = R"json({
"arguments": {
"path": "/this/path/does/not/exist",
"size-bytes": -1,
"total_size": -1
},
"result": "success",
"tag": 41414
})json";
constexpr std::string_view BadMethodNameResponse = R"json({
"error": {
"code": -32601,
"message": "Method not found"
},
"id": 39693,
"jsonrpc": "2.0"
})json";
constexpr std::string_view BadMethodNameLegacyResponse = R"json({
"arguments": {},
"result": "no method name",
"tag": 39693
})json";
constexpr std::string_view UnrecognisedInfoResponse = R"json({
"error": {
"code": 4,
"message": "unrecognized info"
},
"id": 10,
"jsonrpc": "2.0"
})json";
constexpr std::string_view UnrecognisedInfoLegacyResponse = R"json({
"arguments": {},
"result": "unrecognized info",
"tag": 10
})json";
} // namespace
TEST(ApiCompatTest, canConvertRpc)
{
using Style = libtransmission::api_compat::Style;
using TestCase = std::tuple<std::string_view, std::string_view, Style, std::string_view>;
// clang-format off
static auto constexpr TestCases = std::array<TestCase, 40U>{ {
{ "free_space tr5 -> tr5", BadFreeSpaceRequest, Style::Tr5, BadFreeSpaceRequest },
{ "free_space tr5 -> tr4", BadFreeSpaceRequest, Style::Tr4, BadFreeSpaceRequestLegacy },
{ "free_space tr4 -> tr5", BadFreeSpaceRequestLegacy, Style::Tr5, BadFreeSpaceRequest },
{ "free_space tr4 -> tr4", BadFreeSpaceRequestLegacy, Style::Tr4, BadFreeSpaceRequestLegacy },
{ "free_space error response tr5 -> tr5", BadFreeSpaceResponse, Style::Tr5, BadFreeSpaceResponse },
{ "free_space error response tr5 -> tr4", BadFreeSpaceResponse, Style::Tr4, BadFreeSpaceResponseLegacy },
{ "free_space error response tr4 -> tr5", BadFreeSpaceResponseLegacy, Style::Tr5, BadFreeSpaceResponse },
{ "free_space error response tr4 -> tr4", BadFreeSpaceResponseLegacy, Style::Tr4, BadFreeSpaceResponseLegacy },
{ "free_space req tr5 -> tr5", WellFormedFreeSpaceRequest, Style::Tr5, WellFormedFreeSpaceRequest },
{ "free_space req tr5 -> tr4", WellFormedFreeSpaceRequest, Style::Tr4, WellFormedFreeSpaceLegacyRequest },
{ "free_space req tr4 -> tr5", WellFormedFreeSpaceLegacyRequest, Style::Tr5, WellFormedFreeSpaceRequest },
{ "free_space req tr4 -> tr4", WellFormedFreeSpaceLegacyRequest, Style::Tr4, WellFormedFreeSpaceLegacyRequest },
{ "free_space response tr5 -> tr5", WellFormedFreeSpaceResponse, Style::Tr5, WellFormedFreeSpaceResponse },
{ "free_space response tr5 -> tr4", WellFormedFreeSpaceResponse, Style::Tr4, WellFormedFreeSpaceLegacyResponse },
{ "free_space response tr4 -> tr5", WellFormedFreeSpaceLegacyResponse, Style::Tr5, WellFormedFreeSpaceResponse },
{ "free_space response tr4 -> tr4", WellFormedFreeSpaceLegacyResponse, Style::Tr4, WellFormedFreeSpaceLegacyResponse },
{ "session_get tr5 -> tr5", CurrentSessionGetJson, Style::Tr5, CurrentSessionGetJson },
{ "session_get tr5 -> tr4", CurrentSessionGetJson, Style::Tr4, LegacySessionGetJson },
{ "session_get tr4 -> tr5", LegacySessionGetJson, Style::Tr5, CurrentSessionGetJson },
{ "session_get tr4 -> tr4", LegacySessionGetJson, Style::Tr4, LegacySessionGetJson },
{ "session_get response tr5 -> tr5", CurrentSessionGetResponseJson, Style::Tr5, CurrentSessionGetResponseJson },
{ "session_get response tr5 -> tr4", CurrentSessionGetResponseJson, Style::Tr4, LegacySessionGetResponseJson },
{ "session_get response tr4 -> tr5", LegacySessionGetResponseJson, Style::Tr5, CurrentSessionGetResponseJson },
{ "session_get response tr4 -> tr4", LegacySessionGetResponseJson, Style::Tr4, LegacySessionGetResponseJson },
{ "torrent_get tr5 -> tr5", CurrentTorrentGetJson, Style::Tr5, CurrentTorrentGetJson },
{ "torrent_get tr5 -> tr4", CurrentTorrentGetJson, Style::Tr4, LegacyTorrentGetJson },
{ "torrent_get tr4 -> tr5", LegacyTorrentGetJson, Style::Tr5, CurrentTorrentGetJson },
{ "torrent_get tr4 -> tr4", LegacyTorrentGetJson, Style::Tr4, LegacyTorrentGetJson },
{ "port_test error response tr5 -> tr5", CurrentPortTestErrorResponse, Style::Tr5, CurrentPortTestErrorResponse },
{ "port_test error response tr5 -> tr4", CurrentPortTestErrorResponse, Style::Tr4, LegacyPortTestErrorResponse },
{ "port_test error response tr4 -> tr5", LegacyPortTestErrorResponse, Style::Tr5, CurrentPortTestErrorResponse },
{ "port_test error response tr4 -> tr4", LegacyPortTestErrorResponse, Style::Tr4, LegacyPortTestErrorResponse },
{ "bad method name tr5 -> tr5", BadMethodNameResponse, Style::Tr5, BadMethodNameResponse },
{ "bad method name tr5 -> tr4", BadMethodNameResponse, Style::Tr4, BadMethodNameLegacyResponse },
{ "bad method name tr4 -> tr5", BadMethodNameLegacyResponse, Style::Tr5, BadMethodNameResponse },
{ "bad method name tr4 -> tr4", BadMethodNameLegacyResponse, Style::Tr4, BadMethodNameLegacyResponse },
{ "unrecognised info tr5 -> tr5", UnrecognisedInfoResponse, Style::Tr5, UnrecognisedInfoResponse},
{ "unrecognised info tr5 -> tr4", UnrecognisedInfoResponse, Style::Tr4, UnrecognisedInfoLegacyResponse},
{ "unrecognised info tr4 -> tr5", UnrecognisedInfoLegacyResponse, Style::Tr5, UnrecognisedInfoResponse},
{ "unrecognised info tr4 -> tr4", UnrecognisedInfoLegacyResponse, Style::Tr4, UnrecognisedInfoLegacyResponse},
// TODO(ckerr): torrent-get with 'table'
} };
// clang-format on
for (auto const& [name, src, tgt_style, expected] : TestCases)
{
auto serde = tr_variant_serde::json();
auto parsed = serde.parse(src);
ASSERT_TRUE(parsed.has_value()) << name << ": " << serde.error_;
auto converted = libtransmission::api_compat::convert(*parsed, tgt_style);
EXPECT_EQ(expected, serde.to_string(converted)) << name;
}
}
TEST(ApiCompatTest, canConvertDataFiles)
{
using Style = libtransmission::api_compat::Style;
using TestCase = std::tuple<std::string_view, std::string_view, Style, std::string_view>;
// clang-format off
static auto constexpr TestCases = std::array<TestCase, 8U>{ {
{ "settings tr5 -> tr5", CurrentSettingsJson, Style::Tr5, CurrentSettingsJson },
{ "settings tr5 -> tr4", CurrentSettingsJson, Style::Tr4, LegacySettingsJson },
{ "settings tr4 -> tr5", LegacySettingsJson, Style::Tr5, CurrentSettingsJson },
{ "settings tr4 -> tr4", LegacySettingsJson, Style::Tr4, LegacySettingsJson },
{ "stats tr5 -> tr5", CurrentStatsJson, Style::Tr5, CurrentStatsJson },
{ "stats tr5 -> tr4", CurrentStatsJson, Style::Tr4, LegacyStatsJson },
{ "stats tr4 -> tr5", LegacyStatsJson, Style::Tr5, CurrentStatsJson },
{ "stats tr4 -> tr4", LegacyStatsJson, Style::Tr4, LegacyStatsJson },
} };
// clang-format on
for (auto const& [name, src, tgt_style, expected] : TestCases)
{
auto serde = tr_variant_serde::json();
auto parsed = serde.parse(src);
ASSERT_TRUE(parsed.has_value());
auto converted = libtransmission::api_compat::convert(*parsed, tgt_style);
EXPECT_EQ(expected, serde.to_string(converted)) << name;
}
}
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