Files
ThothII/backend/test/settings-store.test.ts
T

100 lines
3.6 KiB
TypeScript

import { test, expect } from "vitest";
import { closeSync, existsSync, fsyncSync, mkdtempSync, openSync, readFileSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import {
captureSettingsSnapshot,
loadSettings,
restoreSettingsSnapshot,
saveSettings,
} from "../src/settings/settings-store.js";
import { loadConfig } from "../src/config.js";
function cfgWith(file: string) {
return loadConfig({ THT_HARNESS_DIR: "../harness", SETTINGS_FILE: file });
}
test("loadSettings returns {} when the file does not exist", () => {
const dir = mkdtempSync(join(tmpdir(), "tht-set-"));
try {
expect(loadSettings(cfgWith(join(dir, "settings.json")))).toEqual({});
} finally {
rmSync(dir, { recursive: true, force: true });
}
});
test("saveSettings writes the file and loadSettings reads it back", () => {
const dir = mkdtempSync(join(tmpdir(), "tht-set-"));
try {
const cfg = cfgWith(join(dir, "nested", "settings.json"));
const saved = saveSettings(cfg, { workspace: "psd", thinking: "medium" });
expect(saved.thinking).toBe("medium");
expect(loadSettings(cfg)).toEqual({ workspace: "psd", thinking: "medium" });
} finally {
rmSync(dir, { recursive: true, force: true });
}
});
test("loadSettings returns {} on corrupt JSON (no throw)", () => {
const dir = mkdtempSync(join(tmpdir(), "tht-set-"));
try {
const file = join(dir, "settings.json");
writeFileSync(file, "{ not json");
expect(loadSettings(cfgWith(file))).toEqual({});
} finally {
rmSync(dir, { recursive: true, force: true });
}
});
test("loadConfig sets settingsFile from SETTINGS_FILE, default data/settings.json", () => {
expect(loadConfig({}).settingsFile).toBe("data/settings.json");
expect(loadConfig({ SETTINGS_FILE: "/x/y.json" }).settingsFile).toBe("/x/y.json");
});
test("saveSettings restores the previous file when post-rename directory durability fails", () => {
const dir = mkdtempSync(join(tmpdir(), "tht-set-transaction-"));
try {
const cfg = cfgWith(join(dir, "settings.json"));
saveSettings(cfg, { thinking: "low" });
let syncs = 0;
expect(() => saveSettings(
cfg,
{ thinking: "high" },
{
syncDirectory(directory: string) {
syncs += 1;
if (syncs === 1) throw new Error("injected directory fsync failure");
const fd = openSync(directory, "r");
try { fsyncSync(fd); } finally { closeSync(fd); }
},
},
)).toThrow(/directory fsync failure/);
expect(loadSettings(cfg)).toEqual({ thinking: "low" });
expect(syncs).toBeGreaterThanOrEqual(2);
} finally {
rmSync(dir, { recursive: true, force: true });
}
});
test("settings snapshots restore exact absent and empty-file states", () => {
const dir = mkdtempSync(join(tmpdir(), "tht-settings-snapshot-"));
try {
const file = join(dir, "settings.json");
const cfg = cfgWith(file);
const absent = captureSettingsSnapshot(cfg);
expect(absent).toEqual({ exists: false, rawBase64: "" });
saveSettings(cfg, { provider: "new", model: "model", thinking: "high" });
restoreSettingsSnapshot(cfg, absent);
expect(existsSync(file)).toBe(false);
writeFileSync(file, Buffer.alloc(0), { mode: 0o600 });
const empty = captureSettingsSnapshot(cfg);
expect(empty.exists).toBe(true);
saveSettings(cfg, { provider: "new", model: "model", thinking: "high" });
restoreSettingsSnapshot(cfg, empty);
expect(readFileSync(file)).toEqual(Buffer.alloc(0));
} finally {
rmSync(dir, { recursive: true, force: true });
}
});