test(cosmos): add init path coverage for platform-service

services/platform-service/src/lib/cosmos-init.test.ts

@@ -0,0 +1,67 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+
+const cosmosMock = {
+  initializeAllContainers: vi.fn(),
+  registerContainers: vi.fn(),
+};
+
+vi.mock('@bytelyst/cosmos', () => cosmosMock);
+
+describe('initCosmosIfNeeded', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    vi.unstubAllEnvs();
+  });
+
+  afterEach(() => {
+    vi.resetModules();
+  });
+
+  it('registers containers and skips init in production by default', async () => {
+    vi.stubEnv('COSMOS_ENDPOINT', 'https://example.documents.azure.com:443/');
+    vi.stubEnv('COSMOS_KEY', 'key');
+    vi.stubEnv('JWT_SECRET', 'secret');
+    vi.stubEnv('NODE_ENV', 'production');
+    vi.stubEnv('COSMOS_AUTO_INIT', 'false');
+
+    const { initCosmosIfNeeded } = await import('./cosmos-init.js');
+    await initCosmosIfNeeded();
+
+    expect(cosmosMock.registerContainers).toHaveBeenCalledOnce();
+    expect(cosmosMock.initializeAllContainers).not.toHaveBeenCalled();
+  });
+
+  it('initializes containers outside production and logs success', async () => {
+    vi.stubEnv('COSMOS_ENDPOINT', 'https://example.documents.azure.com:443/');
+    vi.stubEnv('COSMOS_KEY', 'key');
+    vi.stubEnv('JWT_SECRET', 'secret');
+    vi.stubEnv('NODE_ENV', 'test');
+
+    cosmosMock.initializeAllContainers.mockResolvedValue(undefined);
+    const infoSpy = vi.spyOn(console, 'info').mockImplementation(() => {});
+
+    const { initCosmosIfNeeded } = await import('./cosmos-init.js');
+    await initCosmosIfNeeded();
+
+    expect(cosmosMock.registerContainers).toHaveBeenCalledOnce();
+    expect(cosmosMock.initializeAllContainers).toHaveBeenCalledOnce();
+    expect(infoSpy).toHaveBeenCalledWith('[platform-service] Cosmos containers ensured');
+  });
+
+  it('logs warning when initialization fails', async () => {
+    vi.stubEnv('COSMOS_ENDPOINT', 'https://example.documents.azure.com:443/');
+    vi.stubEnv('COSMOS_KEY', 'key');
+    vi.stubEnv('JWT_SECRET', 'secret');
+    vi.stubEnv('NODE_ENV', 'test');
+
+    cosmosMock.initializeAllContainers.mockRejectedValue(new Error('boom'));
+    const warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
+
+    const { initCosmosIfNeeded } = await import('./cosmos-init.js');
+    await initCosmosIfNeeded();
+
+    expect(cosmosMock.registerContainers).toHaveBeenCalledOnce();
+    expect(cosmosMock.initializeAllContainers).toHaveBeenCalledOnce();
+    expect(warnSpy).toHaveBeenCalledWith('[platform-service] Cosmos init failed: boom');
+  });
+});