Files
bird/tests/runtime-features.test.ts
T

114 lines
3.1 KiB
TypeScript

import { randomUUID } from 'node:crypto';
import { mkdir, readFile, writeFile } from 'node:fs/promises';
import os from 'node:os';
import path from 'node:path';
import { afterEach, describe, expect, it } from 'vitest';
import { clearFeatureOverridesCache, refreshFeatureOverridesCache } from '../src/lib/runtime-features.js';
import { buildLikesFeatures, buildSearchFeatures } from '../src/lib/twitter-client-features.js';
describe('runtime-features', () => {
afterEach(() => {
delete process.env.BIRD_FEATURES_JSON;
delete process.env.BIRD_FEATURES_CACHE;
delete process.env.BIRD_FEATURES_PATH;
clearFeatureOverridesCache();
});
it('applies global and set overrides from env json', () => {
process.env.BIRD_FEATURES_JSON = JSON.stringify({
global: {
global_flag: true,
ignored: 'nope',
},
sets: {
search: {
global_flag: false,
search_only: true,
bad: 1,
},
likes: {
likes_only: true,
},
},
});
clearFeatureOverridesCache();
const search = buildSearchFeatures();
expect(search.global_flag).toBe(false);
expect(search.search_only).toBe(true);
expect(search.bad).toBeUndefined();
const likes = buildLikesFeatures();
expect(likes.global_flag).toBe(true);
expect(likes.likes_only).toBe(true);
});
it('refresh merges defaults with existing cache', async () => {
const cacheDir = path.join(os.tmpdir(), `bird-test-${randomUUID()}`);
await mkdir(cacheDir, { recursive: true });
const cachePath = path.join(cacheDir, 'features.json');
await writeFile(
cachePath,
JSON.stringify(
{
global: {
existing_flag: true,
},
sets: {
search: {
existing_search: false,
},
},
},
null,
2,
),
);
process.env.BIRD_FEATURES_PATH = cachePath;
await refreshFeatureOverridesCache();
const raw = await readFile(cachePath, 'utf8');
const parsed = JSON.parse(raw) as {
global?: Record<string, boolean>;
sets?: Record<string, Record<string, boolean>>;
};
expect(parsed.global?.existing_flag).toBe(true);
expect(parsed.global?.responsive_web_grok_annotations_enabled).toBe(false);
expect(parsed.sets?.search?.existing_search).toBe(false);
});
it('applies overrides from cache file', async () => {
const cacheDir = path.join(os.tmpdir(), `bird-test-${randomUUID()}`);
await mkdir(cacheDir, { recursive: true });
const cachePath = path.join(cacheDir, 'features.json');
await writeFile(
cachePath,
JSON.stringify(
{
global: {
file_flag: true,
},
sets: {
search: {
file_search: true,
},
},
},
null,
2,
),
);
process.env.BIRD_FEATURES_PATH = cachePath;
clearFeatureOverridesCache();
const search = buildSearchFeatures();
expect(search.file_flag).toBe(true);
expect(search.file_search).toBe(true);
});
});