view data fixes

apps/website/lib/page-queries/DashboardPageQuery.test.ts

@@ -0,0 +1,82 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { DashboardPageQuery } from './DashboardPageQuery';
+import { DashboardService } from '@/lib/services/analytics/DashboardService';
+import { Result } from '@/lib/contracts/Result';
+import { DashboardViewDataBuilder } from '@/lib/builders/view-data/DashboardViewDataBuilder';
+import { mapToPresentationError } from '@/lib/contracts/page-queries/PresentationError';
+
+// Mock dependencies
+vi.mock('@/lib/services/analytics/DashboardService', () => ({
+  DashboardService: vi.fn().mockImplementation(function (this: any) {
+    this.getDashboardOverview = vi.fn();
+  }),
+}));
+
+vi.mock('@/lib/builders/view-data/DashboardViewDataBuilder', () => ({
+  DashboardViewDataBuilder: {
+    build: vi.fn(),
+  },
+}));
+
+vi.mock('@/lib/contracts/page-queries/PresentationError', () => ({
+  mapToPresentationError: vi.fn(),
+}));
+
+describe('DashboardPageQuery', () => {
+  let query: DashboardPageQuery;
+  let mockServiceInstance: any;
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+    query = new DashboardPageQuery();
+    mockServiceInstance = {
+      getDashboardOverview: vi.fn(),
+    };
+    (DashboardService as any).mockImplementation(function (this: any) {
+      return mockServiceInstance;
+    });
+  });
+
+  it('should return view data when service succeeds', async () => {
+    const apiDto = { some: 'dashboard-data' };
+    const viewData = { transformed: 'dashboard-view' } as any;
+
+    mockServiceInstance.getDashboardOverview.mockResolvedValue(Result.ok(apiDto));
+    (DashboardViewDataBuilder.build as any).mockReturnValue(viewData);
+
+    const result = await query.execute();
+
+    expect(result.isOk()).toBe(true);
+    expect(result.unwrap()).toEqual(viewData);
+    expect(DashboardService).toHaveBeenCalled();
+    expect(mockServiceInstance.getDashboardOverview).toHaveBeenCalled();
+    expect(DashboardViewDataBuilder.build).toHaveBeenCalledWith(apiDto);
+  });
+
+  it('should return mapped presentation error when service fails', async () => {
+    const serviceError = 'some-domain-error';
+    const presentationError = 'some-presentation-error';
+
+    mockServiceInstance.getDashboardOverview.mockResolvedValue(Result.err(serviceError));
+    (mapToPresentationError as any).mockReturnValue(presentationError);
+
+    const result = await query.execute();
+
+    expect(result.isErr()).toBe(true);
+    expect(result.getError()).toBe(presentationError);
+    expect(mapToPresentationError).toHaveBeenCalledWith(serviceError);
+  });
+
+  it('should provide a static execute method', async () => {
+    const apiDto = { some: 'dashboard-data' };
+    const viewData = { transformed: 'dashboard-view' } as any;
+
+    mockServiceInstance.getDashboardOverview.mockResolvedValue(Result.ok(apiDto));
+    (DashboardViewDataBuilder.build as any).mockReturnValue(viewData);
+
+    const result = await DashboardPageQuery.execute();
+
+    expect(result.isOk()).toBe(true);
+    expect(result.unwrap()).toEqual(viewData);
+  });
+});