feat: socket.io redis->postgres socket.io, add broadcastchannel option

server/test/medium/specs/middleware/websocket.adapter.spec.ts

@@ -0,0 +1,70 @@
+import { INestApplication } from '@nestjs/common';
+import { IoAdapter } from '@nestjs/platform-socket.io';
+import { SocketIoAdapter } from 'src/enum';
+import { asPgPoolSsl, createWebSocketAdapter } from 'src/middleware/websocket.adapter';
+import { Mocked, vi } from 'vitest';
+
+describe('asPgPoolSsl', () => {
+  it('should return false for undefined ssl', () => {
+    expect(asPgPoolSsl()).toBe(false);
+  });
+
+  it('should return false for ssl = false', () => {
+    expect(asPgPoolSsl(false)).toBe(false);
+  });
+
+  it('should return false for ssl = "allow"', () => {
+    expect(asPgPoolSsl('allow')).toBe(false);
+  });
+
+  it('should return { rejectUnauthorized: false } for ssl = true', () => {
+    expect(asPgPoolSsl(true)).toEqual({ rejectUnauthorized: false });
+  });
+
+  it('should return { rejectUnauthorized: false } for ssl = "prefer"', () => {
+    expect(asPgPoolSsl('prefer')).toEqual({ rejectUnauthorized: false });
+  });
+
+  it('should return { rejectUnauthorized: false } for ssl = "require"', () => {
+    expect(asPgPoolSsl('require')).toEqual({ rejectUnauthorized: false });
+  });
+
+  it('should return { rejectUnauthorized: true } for ssl = "verify-full"', () => {
+    expect(asPgPoolSsl('verify-full')).toEqual({ rejectUnauthorized: true });
+  });
+
+  it('should pass through object ssl config unchanged', () => {
+    const sslConfig = { ca: 'certificate', rejectUnauthorized: true };
+    expect(asPgPoolSsl(sslConfig)).toBe(sslConfig);
+  });
+});
+
+describe('createWebSocketAdapter', () => {
+  let mockApp: Mocked<INestApplication>;
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+
+    mockApp = {
+      getHttpServer: vi.fn().mockReturnValue({}),
+    } as unknown as Mocked<INestApplication>;
+  });
+
+  describe('BroadcastChannel adapter', () => {
+    it('should create BroadcastChannel adapter when configured', async () => {
+      const adapter = await createWebSocketAdapter(mockApp, SocketIoAdapter.BroadcastChannel);
+
+      expect(adapter).toBeDefined();
+      expect(adapter).toBeInstanceOf(IoAdapter);
+    });
+  });
+
+  describe('Postgres adapter', () => {
+    it('should create Postgres adapter when configured', async () => {
+      const adapter = await createWebSocketAdapter(mockApp, SocketIoAdapter.Postgres);
+
+      expect(adapter).toBeDefined();
+      expect(adapter).toBeInstanceOf(IoAdapter);
+    });
+  });
+});