75 lines
2.6 KiB
JavaScript
75 lines
2.6 KiB
JavaScript
'use strict';
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const test = require('node:test');
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const assert = require('node:assert/strict');
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const fs = require('node:fs');
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const os = require('node:os');
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const path = require('node:path');
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const { DiscoveryCache } = require('../discovery/cache');
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const DAY = 86400000;
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function setup(t, options = {}) {
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const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'circus-dcache-'));
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t.after(() => fs.rmSync(dir, { recursive: true, force: true }));
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const clock = { t: Date.UTC(2026, 0, 1) };
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const cache = new DiscoveryCache(dir, { ...options, now: () => clock.t });
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return { dir, clock, cache };
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}
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test('cache round-trips an entry', (t) => {
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const { clock, cache } = setup(t);
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cache.put('title', 42, { a: 1 });
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const entry = cache.get('title', 42);
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assert.deepEqual(entry.data, { a: 1 });
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assert.equal(entry.fetchedAt, new Date(clock.t).toISOString());
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assert.equal(entry.schema, 1);
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assert.equal(entry.kind, 'title');
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});
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test('freshness follows TTL per kind', (t) => {
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const { clock, cache } = setup(t);
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cache.put('fresh', 'global', []);
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cache.put('title', 1, {});
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clock.t += 8 * DAY;
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assert.equal(cache.isFresh('fresh', 'global'), false);
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assert.equal(cache.isFresh('title', 1), true);
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clock.t += 23 * DAY;
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assert.equal(cache.isFresh('title', 1), false);
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assert.notEqual(cache.get('title', 1), null);
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assert.equal(cache.list('title').length, 1);
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});
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test('prune keeps the newest maxFiles', (t) => {
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const { clock, cache } = setup(t, { maxFiles: 3 });
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for (let i = 1; i <= 5; i++) { clock.t += 1000; cache.put('title', i, { i }); }
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assert.equal(cache.stats().files, 3);
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assert.equal(cache.get('title', 1), null);
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assert.equal(cache.get('title', 2), null);
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assert.notEqual(cache.get('title', 5), null);
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});
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test('corrupt entry is deleted', (t) => {
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const { dir, cache } = setup(t);
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cache.put('recs', 7, {});
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const file = path.join(dir, 'recs', fs.readdirSync(path.join(dir, 'recs'))[0]);
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fs.writeFileSync(file, '{broken');
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assert.equal(cache.get('recs', 7), null);
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assert.equal(fs.existsSync(file), false);
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});
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test('odd keys are file-safe', (t) => {
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const { dir, cache } = setup(t);
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cache.put('tagTop', 'genre:Slice of Life/../x', [1]);
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const files = fs.readdirSync(path.join(dir, 'tagTop'));
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assert.equal(files.length, 1);
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assert.deepEqual(fs.readdirSync(dir), ['tagTop']);
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assert.deepEqual(cache.get('tagTop', 'genre:Slice of Life/../x').data, [1]);
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});
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test('unknown kind throws', (t) => {
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const { cache } = setup(t);
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assert.throws(() => cache.put('nope', 1, {}), TypeError);
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assert.throws(() => cache.get('nope', 1), TypeError);
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});
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