refactor(infra): directory structure (#4615)

packages/backend/server/tests/session.spec.ts

@@ -0,0 +1,46 @@
+/// <reference types="../src/global.d.ts" />
+
+import { Test, TestingModule } from '@nestjs/testing';
+import ava, { type TestFn } from 'ava';
+
+import { ConfigModule } from '../src/config';
+import { SessionModule, SessionService } from '../src/session';
+
+const test = ava as TestFn<{
+  session: SessionService;
+  app: TestingModule;
+}>;
+
+test.beforeEach(async t => {
+  const module = await Test.createTestingModule({
+    imports: [
+      ConfigModule.forRoot({
+        redis: {
+          enabled: false,
+        },
+      }),
+      SessionModule,
+    ],
+  }).compile();
+  const session = module.get(SessionService);
+  t.context.app = module;
+  t.context.session = session;
+});
+
+test.afterEach.always(async t => {
+  await t.context.app.close();
+});
+
+test('should be able to set session', async t => {
+  const { session } = t.context;
+  await session.set('test', 'value');
+  t.is(await session.get('test'), 'value');
+});
+
+test('should be expired by ttl', async t => {
+  const { session } = t.context;
+  await session.set('test', 'value', 100);
+  t.is(await session.get('test'), 'value');
+  await new Promise(resolve => setTimeout(resolve, 500));
+  t.is(await session.get('test'), undefined);
+});