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import assert from "node:assert/strict";
import test from "node:test";
import {
cleanupPluginAssignments,
cleanupPluginLaunchOptions,
cleanupLegacyWrapper,
hasWrapperLaunchIntegration,
installWrapperIntegration,
installWrapperLaunchOption,
isLegacyWrapperToken,
normalizeLaunchOptions,
readSteamLaunchOptions,
removeWrapperIntegration,
removeWrapperLaunchOption,
} from "../src/utils/steamLaunchOptions.ts";
const wrapper = "~/.lsfg";
test("inserts one wrapper immediately before an existing command macro", () => {
assert.deepEqual(installWrapperLaunchOption('gamemoderun %command% --profile "high quality"', wrapper), {
options: 'gamemoderun ~/.lsfg %command% --profile "high quality"',
commandTokenAdded: false,
});
assert.equal(hasWrapperLaunchIntegration(`gamemoderun ${wrapper} %command%`, wrapper), true);
assert.deepEqual(installWrapperLaunchOption(`gamemoderun ${wrapper} %command%`, wrapper), {
options: `gamemoderun ${wrapper} %command%`,
commandTokenAdded: false,
});
});
test("normalizes blank and argument-only shortcut fields", () => {
assert.deepEqual(installWrapperLaunchOption("", wrapper), {
options: `${wrapper} %command%`,
commandTokenAdded: true,
});
assert.deepEqual(installWrapperLaunchOption("FOO=bar --windowed", wrapper), {
options: `FOO=bar ${wrapper} %command% --windowed`,
commandTokenAdded: true,
});
assert.throws(() => installWrapperLaunchOption("gamemoderun --windowed", wrapper), /refusing to guess/);
assert.throws(() => installWrapperLaunchOption('"%command%"', wrapper), /refusing to guess/);
});
test("preserves assignments quoting suffixes and released wrapper cleanup", () => {
const options = 'FOO="hello world" VK_INSTANCE_LAYERS="one:two" gamemoderun %command% --flag "two words"';
assert.equal(
installWrapperLaunchOption(options, wrapper).options,
'FOO="hello world" VK_INSTANCE_LAYERS="one:two" gamemoderun ~/.lsfg %command% --flag "two words"',
);
assert.equal(removeWrapperLaunchOption(`${wrapper} %command% --arg "${wrapper}"`, wrapper, true), `--arg "${wrapper}"`);
assert.equal(normalizeLaunchOptions(" FOO=bar %COMMAND% --flag "), "FOO=bar %COMMAND% --flag");
for (const token of ["~/lsfg", "/home/deck/lsfg", "mako-run", "mako-launch"]) {
assert.equal(cleanupLegacyWrapper(`FOO=bar ${token} %command% --arg "${token}"`), `FOO=bar %command% --arg "${token}"`);
}
assert.equal(isLegacyWrapperToken("/home/kurt/lsfg"), true);
assert.equal(isLegacyWrapperToken("/opt/tools/lsfg"), false);
});
test("removes only managed assignments and preserves unrelated values", () => {
assert.equal(
cleanupPluginAssignments(
'FOO="keep this" ENABLE_GAMESCOPE_WSI=0 DXVK_HDR=0 SteamDeck=0 DISABLE_VKBASALT=1 MESA_LOADER_DRIVER_OVERRIDE=zink DXVK_CONFIG="dxgi.syncInterval = 0; dxvk.maxFrameRate = 30" %command%',
),
'FOO="keep this" DXVK_CONFIG="dxgi.syncInterval = 0" %command%',
);
assert.equal(cleanupPluginLaunchOptions(`DXVK_FRAME_RATE=30 ${wrapper} %command%`, wrapper), "%command%");
assert.equal(
cleanupPluginAssignments("PROTON_USE_WOW64=1 MANGOHUD=1 MANGOHUD_CONFIG=alpha %command%"),
"PROTON_USE_WOW64=1 MANGOHUD=1 MANGOHUD_CONFIG=alpha %command%",
);
});
test("uses launch options for Steam and MAKO-style Target wrapping for direct Flatpak", async () => {
const previousWindow = (globalThis as Record<string, unknown>).window;
const previousSteamClient = (globalThis as Record<string, unknown>).SteamClient;
let appOptions = "FOO=bar %command%";
let shortcutOptions = "--windowed";
let shortcutTarget = '"flatpak"';
const appWrites: string[] = [];
const shortcutWrites: string[] = [];
const targetWrites: string[] = [];
const unregisters: number[] = [];
const apps = {
RegisterForAppDetails(appId: number, callback: (details: SteamAppDetails) => void) {
callback(appId === 42
? { strLaunchOptions: appOptions, strShortcutLaunchOptions: "wrong-field" }
: { strShortcutExe: shortcutTarget, strShortcutLaunchOptions: shortcutOptions, strLaunchOptions: "wrong-field" });
return { unregister: () => unregisters.push(appId) };
},
SetAppLaunchOptions(appId: number, options: string) {
assert.equal(appId, 42);
appWrites.push(options);
appOptions = options.replaceAll(" ", " ");
},
SetShortcutLaunchOptions(appId: number, options: string) {
assert.equal(appId, 43);
shortcutWrites.push(options);
shortcutOptions = options;
},
SetShortcutExe(appId: number, executable: string) {
assert.equal(appId, 43);
targetWrites.push(executable);
shortcutTarget = executable;
},
};
(globalThis as Record<string, unknown>).window = { setTimeout, clearTimeout };
(globalThis as Record<string, unknown>).SteamClient = { Apps: apps };
try {
const normal = await readSteamLaunchOptions(42, false);
assert.equal(normal.options, "FOO=bar %command%");
const installed = await installWrapperIntegration(42, false, wrapper);
assert.equal(installed.snapshot.options, `FOO=bar ${wrapper} %command%`.replaceAll(" ", " "));
assert.equal(installed.commandTokenAdded, false);
assert.equal(appWrites.length, 1);
const shortcut = await installWrapperIntegration(43, true, wrapper, false, true);
assert.equal(shortcut.snapshot.target, '~/.lsfg "/usr/bin/flatpak"');
assert.deepEqual(targetWrites, ['~/.lsfg "/usr/bin/flatpak"']);
assert.equal(shortcut.snapshot.options, "--windowed");
assert.deepEqual(shortcutWrites, []);
const second = await installWrapperIntegration(43, true, wrapper, false, true);
assert.equal(second.changed, false);
assert.deepEqual(targetWrites, ['~/.lsfg "/usr/bin/flatpak"']);
const restored = await removeWrapperIntegration(43, true, wrapper, false, true);
assert.equal(restored.target, "/usr/bin/flatpak");
assert.deepEqual(targetWrites, ['~/.lsfg "/usr/bin/flatpak"', "/usr/bin/flatpak"]);
const cleaned = await removeWrapperIntegration(42, false, wrapper, installed.commandTokenAdded);
assert.equal(cleaned.options, "FOO=bar %command%".replaceAll(" ", " "));
assert.ok(unregisters.includes(42));
assert.ok(unregisters.includes(43));
} finally {
if (previousWindow === undefined) delete (globalThis as Record<string, unknown>).window;
else (globalThis as Record<string, unknown>).window = previousWindow;
if (previousSteamClient === undefined) delete (globalThis as Record<string, unknown>).SteamClient;
else (globalThis as Record<string, unknown>).SteamClient = previousSteamClient;
}
});
test("AppImage and EmuDeck script shortcuts stay launch-option based", async () => {
const previousWindow = (globalThis as Record<string, unknown>).window;
const previousSteamClient = (globalThis as Record<string, unknown>).SteamClient;
const cases = [
{
target: "env",
options: 'DESKTOPINTEGRATION=1 "/home/deck/AppImages/dusk.appimage"',
expected: 'DESKTOPINTEGRATION=1 ~/.lsfg %command% "/home/deck/AppImages/dusk.appimage"',
},
{
target: '"/home/deck/Emulation/tools/launchers/retroarch.sh" -L core rom.z64',
options: "",
expected: "~/.lsfg %command%",
},
];
(globalThis as Record<string, unknown>).window = { setTimeout, clearTimeout };
try {
for (const [index, item] of cases.entries()) {
let shortcutTarget = item.target;
let shortcutOptions = item.options;
const targetWrites: string[] = [];
const shortcutWrites: string[] = [];
(globalThis as Record<string, unknown>).SteamClient = {
Apps: {
RegisterForAppDetails(_appId: number, callback: (details: SteamAppDetails) => void) {
callback({ strShortcutExe: shortcutTarget, strShortcutLaunchOptions: shortcutOptions });
return { unregister() {} };
},
SetShortcutLaunchOptions(_appId: number, options: string) {
shortcutWrites.push(options);
shortcutOptions = options;
},
SetShortcutExe(_appId: number, executable: string) {
targetWrites.push(executable);
shortcutTarget = executable;
},
},
};
const installed = await installWrapperIntegration(100 + index, true, wrapper, false, false);
assert.equal(installed.snapshot.target, item.target);
assert.equal(installed.snapshot.options, item.expected);
assert.deepEqual(targetWrites, []);
assert.deepEqual(shortcutWrites, [item.expected]);
const restored = await removeWrapperIntegration(100 + index, true, wrapper, installed.commandTokenAdded, false);
assert.equal(restored.target, item.target);
assert.equal(restored.options, item.options);
assert.deepEqual(targetWrites, []);
}
} finally {
if (previousWindow === undefined) delete (globalThis as Record<string, unknown>).window;
else (globalThis as Record<string, unknown>).window = previousWindow;
if (previousSteamClient === undefined) delete (globalThis as Record<string, unknown>).SteamClient;
else (globalThis as Record<string, unknown>).SteamClient = previousSteamClient;
}
});
test("direct Flatpak fails closed and rolls Target writes back", async () => {
const previousWindow = (globalThis as Record<string, unknown>).window;
const previousSteamClient = (globalThis as Record<string, unknown>).SteamClient;
let shortcutTarget = "/usr/bin/flatpak";
const targetWrites: string[] = [];
(globalThis as Record<string, unknown>).window = { setTimeout, clearTimeout };
(globalThis as Record<string, unknown>).SteamClient = {
Apps: {
RegisterForAppDetails(_appId: number, callback: (details: SteamAppDetails) => void) {
callback({ strShortcutExe: shortcutTarget, strShortcutLaunchOptions: "" });
return { unregister() {} };
},
SetShortcutExe(_appId: number, executable: string) {
targetWrites.push(executable);
shortcutTarget = executable;
if (executable.startsWith(wrapper)) throw new Error("simulated Target write failure");
},
},
};
try {
await assert.rejects(installWrapperIntegration(43, true, wrapper, false, true), /simulated Target write failure/);
assert.equal(shortcutTarget, "/usr/bin/flatpak");
assert.deepEqual(targetWrites, ['~/.lsfg "/usr/bin/flatpak"', "/usr/bin/flatpak"]);
shortcutTarget = "garbage";
await assert.rejects(installWrapperIntegration(43, true, wrapper, false, true), /supported direct Flatpak/);
} finally {
if (previousWindow === undefined) delete (globalThis as Record<string, unknown>).window;
else (globalThis as Record<string, unknown>).window = previousWindow;
if (previousSteamClient === undefined) delete (globalThis as Record<string, unknown>).SteamClient;
else (globalThis as Record<string, unknown>).SteamClient = previousSteamClient;
}
});
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