feat(api): add SearchModule with GET /search endpoint backed by Meilisearch

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-28 00:28:13 +05:30
parent 6f18433c67
commit 8ad5f737bd
8 changed files with 223 additions and 0 deletions
@@ -0,0 +1,88 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { ConfigService } from '@nestjs/config';
+import { SearchService } from './search.service';
+import * as searchPkg from '@tower/search';
+
+jest.mock('@tower/search', () => ({
+  createMeiliClient: jest.fn(),
+  configureIndex: jest.fn().mockResolvedValue(undefined),
+  MESSAGES_INDEX: 'tower-messages',
+}));
+
+describe('SearchService', () => {
+  let service: SearchService;
+  const mockSearch = jest.fn();
+  const mockIndex = jest.fn().mockReturnValue({ search: mockSearch });
+  const mockClient = { index: mockIndex };
+
+  beforeEach(async () => {
+    jest.clearAllMocks();
+    (searchPkg.createMeiliClient as jest.Mock).mockReturnValue(mockClient);
+
+    const module: TestingModule = await Test.createTestingModule({
+      providers: [
+        SearchService,
+        { provide: ConfigService, useValue: { get: jest.fn().mockReturnValue('') } },
+      ],
+    }).compile();
+
+    service = module.get<SearchService>(SearchService);
+    await service.onModuleInit();
+  });
+
+  it('calls configureIndex on init', () => {
+    expect(searchPkg.configureIndex).toHaveBeenCalledWith(mockClient);
+  });
+
+  it('returns hits and total', async () => {
+    mockSearch.mockResolvedValue({ hits: [{ id: 'msg-1', content: 'hello' }], totalHits: 1 });
+    const result = await service.search('hello');
+    expect(result.hits).toHaveLength(1);
+    expect(result.total).toBe(1);
+    expect(result.query).toBe('hello');
+  });
+
+  it('searches with no filter when no groupId or tags', async () => {
+    mockSearch.mockResolvedValue({ hits: [], totalHits: 0 });
+    await service.search('test');
+    expect(mockSearch).toHaveBeenCalledWith('test', expect.objectContaining({ filter: undefined }));
+  });
+
+  it('applies sourceGroupId filter', async () => {
+    mockSearch.mockResolvedValue({ hits: [], totalHits: 0 });
+    await service.search('hello', 'grp-1');
+    expect(mockSearch).toHaveBeenCalledWith(
+      'hello',
+      expect.objectContaining({ filter: 'sourceGroupId = "grp-1"' }),
+    );
+  });
+
+  it('applies tags filter', async () => {
+    mockSearch.mockResolvedValue({ hits: [], totalHits: 0 });
+    await service.search('hello', undefined, ['#important']);
+    expect(mockSearch).toHaveBeenCalledWith(
+      'hello',
+      expect.objectContaining({ filter: 'tags = "#important"' }),
+    );
+  });
+
+  it('combines groupId and tags filters with AND', async () => {
+    mockSearch.mockResolvedValue({ hits: [], totalHits: 0 });
+    await service.search('hello', 'grp-1', ['#important', '#event']);
+    expect(mockSearch).toHaveBeenCalledWith(
+      'hello',
+      expect.objectContaining({
+        filter: 'sourceGroupId = "grp-1" AND tags = "#important" AND tags = "#event"',
+      }),
+    );
+  });
+
+  it('defaults page to 1 and hitsPerPage to 20', async () => {
+    mockSearch.mockResolvedValue({ hits: [], totalHits: 0 });
+    await service.search('hello');
+    expect(mockSearch).toHaveBeenCalledWith(
+      'hello',
+      expect.objectContaining({ page: 1, hitsPerPage: 20 }),
+    );
+  });
+});