AFFiNE/packages/backend/server/tests/cache.spec.ts

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2023-11-22 07:08:59 +03:00
import { Test, TestingModule } from '@nestjs/testing';
import test from 'ava';
import { Cache, CacheModule } from '../src/cache';
import { ConfigModule } from '../src/config';
let cache: Cache;
let module: TestingModule;
test.beforeEach(async () => {
module = await Test.createTestingModule({
imports: [ConfigModule.forRoot(), CacheModule],
}).compile();
const prefix = Math.random().toString(36).slice(2, 7);
cache = new Proxy(module.get(Cache), {
get(target, prop) {
// @ts-expect-error safe
const fn = target[prop];
if (typeof fn === 'function') {
// replase first parameter of fn with prefix
return (...args: any[]) =>
fn.call(target, `${prefix}:${args[0]}`, ...args.slice(1));
}
return fn;
},
});
});
test.afterEach(async () => {
await module.close();
});
test('should be able to set normal cache', async t => {
t.true(await cache.set('test', 1));
t.is(await cache.get<number>('test'), 1);
t.true(await cache.has('test'));
t.true(await cache.delete('test'));
t.is(await cache.get('test'), undefined);
t.true(await cache.set('test', { a: 1 }));
t.deepEqual(await cache.get('test'), { a: 1 });
});
test('should be able to set cache with non-exiting flag', async t => {
t.true(await cache.setnx('test', 1));
t.false(await cache.setnx('test', 2));
t.is(await cache.get('test'), 1);
});
test('should be able to set cache with ttl', async t => {
t.true(await cache.set('test', 1));
t.is(await cache.get('test'), 1);
t.true(await cache.expire('test', 1 * 1000));
const ttl = await cache.ttl('test');
t.true(ttl <= 1 * 1000);
t.true(ttl > 0);
});
test('should be able to incr/decr number cache', async t => {
t.true(await cache.set('test', 1));
t.is(await cache.increase('test'), 2);
t.is(await cache.increase('test'), 3);
t.is(await cache.decrease('test'), 2);
t.is(await cache.decrease('test'), 1);
// increase an nonexists number
t.is(await cache.increase('test2'), 1);
t.is(await cache.increase('test2'), 2);
});
test('should be able to manipulate list cache', async t => {
t.is(await cache.pushBack('test', 1), 1);
t.is(await cache.pushBack('test', 2, 3, 4), 4);
t.is(await cache.len('test'), 4);
t.deepEqual(await cache.list('test', 1, -1), [2, 3, 4]);
t.deepEqual(await cache.popFront('test', 2), [1, 2]);
t.deepEqual(await cache.popBack('test', 1), [4]);
t.is(await cache.pushBack('test2', { a: 1 }), 1);
t.deepEqual(await cache.popFront('test2', 1), [{ a: 1 }]);
});
test('should be able to manipulate map cache', async t => {
t.is(await cache.mapSet('test', 'a', 1), true);
t.is(await cache.mapSet('test', 'b', 2), true);
t.is(await cache.mapLen('test'), 2);
t.is(await cache.mapGet('test', 'a'), 1);
t.is(await cache.mapGet('test', 'b'), 2);
t.is(await cache.mapIncrease('test', 'a'), 2);
t.is(await cache.mapIncrease('test', 'a'), 3);
t.is(await cache.mapDecrease('test', 'b', 3), -1);
const keys = await cache.mapKeys('test');
t.deepEqual(keys, ['a', 'b']);
const randomKey = await cache.mapRandomKey('test');
t.truthy(randomKey);
t.true(keys.includes(randomKey!));
t.is(await cache.mapDelete('test', 'a'), true);
t.is(await cache.mapGet('test', 'a'), undefined);
});