test(api): add unit tests for analytics, metrics, notifications, payments, and search modules

New test coverage for infrastructure and presentation layers across
multiple modules including Momo/ZaloPay payment services, Typesense
search repository, listing indexer, and notification handlers.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/api/src/modules/analytics/presentation/__tests__/analytics.controller.spec.ts

@@ -0,0 +1,79 @@
+import { type QueryBus } from '@nestjs/cqrs';
+import { GetDistrictStatsQuery } from '../../application/queries/get-district-stats/get-district-stats.query';
+import { GetHeatmapQuery } from '../../application/queries/get-heatmap/get-heatmap.query';
+import { GetMarketReportQuery } from '../../application/queries/get-market-report/get-market-report.query';
+import { GetPriceTrendQuery } from '../../application/queries/get-price-trend/get-price-trend.query';
+import { AnalyticsController } from '../controllers/analytics.controller';
+
+describe('AnalyticsController', () => {
+  let controller: AnalyticsController;
+  let mockQueryBus: { execute: ReturnType<typeof vi.fn> };
+
+  beforeEach(() => {
+    mockQueryBus = { execute: vi.fn() };
+    controller = new AnalyticsController(mockQueryBus as unknown as QueryBus);
+  });
+
+  it('getMarketReport executes GetMarketReportQuery with correct params', async () => {
+    const expected = { city: 'Hồ Chí Minh', period: '2026-Q1', districts: [] };
+    mockQueryBus.execute.mockResolvedValue(expected);
+
+    const result = await controller.getMarketReport({
+      city: 'Hồ Chí Minh',
+      period: '2026-Q1',
+      propertyType: 'APARTMENT',
+    } as any);
+
+    expect(mockQueryBus.execute).toHaveBeenCalledWith(
+      new GetMarketReportQuery('Hồ Chí Minh', '2026-Q1', 'APARTMENT'),
+    );
+    expect(result).toBe(expected);
+  });
+
+  it('getPriceTrend executes GetPriceTrendQuery with correct params', async () => {
+    const expected = { district: 'Quận 1', city: 'Hồ Chí Minh', trend: [] };
+    mockQueryBus.execute.mockResolvedValue(expected);
+
+    const result = await controller.getPriceTrend({
+      district: 'Quận 1',
+      city: 'Hồ Chí Minh',
+      propertyType: 'APARTMENT',
+      periods: ['2025-Q4', '2026-Q1'],
+    } as any);
+
+    expect(mockQueryBus.execute).toHaveBeenCalledWith(
+      new GetPriceTrendQuery('Quận 1', 'Hồ Chí Minh', 'APARTMENT', ['2025-Q4', '2026-Q1']),
+    );
+    expect(result).toBe(expected);
+  });
+
+  it('getHeatmap executes GetHeatmapQuery with correct params', async () => {
+    const expected = { city: 'Hồ Chí Minh', data: [] };
+    mockQueryBus.execute.mockResolvedValue(expected);
+
+    const result = await controller.getHeatmap({
+      city: 'Hồ Chí Minh',
+      period: '2026-Q1',
+    } as any);
+
+    expect(mockQueryBus.execute).toHaveBeenCalledWith(
+      new GetHeatmapQuery('Hồ Chí Minh', '2026-Q1'),
+    );
+    expect(result).toBe(expected);
+  });
+
+  it('getDistrictStats executes GetDistrictStatsQuery with correct params', async () => {
+    const expected = { city: 'Hà Nội', stats: [] };
+    mockQueryBus.execute.mockResolvedValue(expected);
+
+    const result = await controller.getDistrictStats({
+      city: 'Hà Nội',
+      period: '2026-Q1',
+    } as any);
+
+    expect(mockQueryBus.execute).toHaveBeenCalledWith(
+      new GetDistrictStatsQuery('Hà Nội', '2026-Q1'),
+    );
+    expect(result).toBe(expected);
+  });
+});