presenter refactoring

apps/api/src/domain/analytics/presenters/GetDashboardDataPresenter.test.ts

@@ -0,0 +1,45 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { GetDashboardDataPresenter } from './GetDashboardDataPresenter';
+import type { GetDashboardDataOutput } from '@core/analytics/application/use-cases/GetDashboardDataUseCase';
+
+describe('GetDashboardDataPresenter', () => {
+  let presenter: GetDashboardDataPresenter;
+
+  beforeEach(() => {
+    presenter = new GetDashboardDataPresenter();
+  });
+
+  it('maps use case output to DTO correctly', () => {
+    const output: GetDashboardDataOutput = {
+      totalUsers: 100,
+      activeUsers: 50,
+      totalRaces: 20,
+      totalLeagues: 5,
+    };
+
+    presenter.present(output);
+
+    expect(presenter.viewModel).toEqual({
+      totalUsers: 100,
+      activeUsers: 50,
+      totalRaces: 20,
+      totalLeagues: 5,
+    });
+  });
+
+  it('reset clears state and causes viewModel to throw', () => {
+    const output: GetDashboardDataOutput = {
+      totalUsers: 100,
+      activeUsers: 50,
+      totalRaces: 20,
+      totalLeagues: 5,
+    };
+
+    presenter.present(output);
+    expect(presenter.viewModel).toBeDefined();
+
+    presenter.reset();
+
+    expect(() => presenter.viewModel).toThrow('Presenter not presented');
+  });
+});