William Valentin
47 lines
1.5 KiB
TypeScript
47 lines
1.5 KiB
TypeScript
import { describe, it, expect, beforeEach, afterEach } from 'vitest';
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import { mkdtempSync, rmSync, readFileSync, writeFileSync } from 'fs';
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import { resolve } from 'path';
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import { tmpdir } from 'os';
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import { loadPreferences, savePreference } from './preferences.js';
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describe('preferences', () => {
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let dataDir: string;
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beforeEach(() => {
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dataDir = mkdtempSync(resolve(tmpdir(), 'flynn-prefs-'));
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});
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afterEach(() => {
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rmSync(dataDir, { recursive: true, force: true });
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});
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it('returns empty object when file is missing', () => {
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expect(loadPreferences(dataDir)).toEqual({});
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});
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it('returns empty object when file is corrupt', () => {
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writeFileSync(resolve(dataDir, 'preferences.json'), 'not json!!!');
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expect(loadPreferences(dataDir)).toEqual({});
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});
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it('round-trips a saved preference', () => {
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savePreference(dataDir, 'modelTier', 'local');
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const prefs = loadPreferences(dataDir);
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expect(prefs.modelTier).toBe('local');
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});
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it('merges preferences without overwriting other keys', () => {
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savePreference(dataDir, 'modelTier', 'fast');
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savePreference(dataDir, 'otherKey', 42);
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const raw = JSON.parse(readFileSync(resolve(dataDir, 'preferences.json'), 'utf-8'));
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expect(raw.modelTier).toBe('fast');
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expect(raw.otherKey).toBe(42);
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});
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it('creates parent directories if needed', () => {
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const nested = resolve(dataDir, 'sub', 'dir');
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savePreference(nested, 'modelTier', 'default');
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expect(loadPreferences(nested).modelTier).toBe('default');
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});
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});
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