view data tests

apps/website/lib/display-objects/DashboardDateDisplay.test.ts

@@ -0,0 +1,94 @@
+import { describe, it, expect } from 'vitest';
+import { DashboardDateDisplay } from './DashboardDateDisplay';
+
+describe('DashboardDateDisplay', () => {
+  describe('happy paths', () => {
+    it('should format future date correctly', () => {
+      const now = new Date();
+      const futureDate = new Date(now.getTime() + 24 * 60 * 60 * 1000); // 24 hours from now
+
+      const result = DashboardDateDisplay.format(futureDate);
+
+      expect(result.date).toMatch(/^[A-Za-z]{3}, [A-Za-z]{3} \d{1,2}, \d{4}$/);
+      expect(result.time).toMatch(/^\d{2}:\d{2}$/);
+      expect(result.relative).toBe('1d');
+    });
+
+    it('should format date less than 24 hours correctly', () => {
+      const now = new Date();
+      const futureDate = new Date(now.getTime() + 6 * 60 * 60 * 1000); // 6 hours from now
+
+      const result = DashboardDateDisplay.format(futureDate);
+
+      expect(result.relative).toBe('6h');
+    });
+
+    it('should format date more than 24 hours correctly', () => {
+      const now = new Date();
+      const futureDate = new Date(now.getTime() + 48 * 60 * 60 * 1000); // 2 days from now
+
+      const result = DashboardDateDisplay.format(futureDate);
+
+      expect(result.relative).toBe('2d');
+    });
+
+    it('should format past date correctly', () => {
+      const now = new Date();
+      const pastDate = new Date(now.getTime() - 24 * 60 * 60 * 1000); // 24 hours ago
+
+      const result = DashboardDateDisplay.format(pastDate);
+
+      expect(result.relative).toBe('Past');
+    });
+
+    it('should format current date correctly', () => {
+      const now = new Date();
+
+      const result = DashboardDateDisplay.format(now);
+
+      expect(result.relative).toBe('Now');
+    });
+
+    it('should format date with leading zeros in time', () => {
+      const date = new Date('2024-01-15T05:03:00');
+
+      const result = DashboardDateDisplay.format(date);
+
+      expect(result.time).toBe('05:03');
+    });
+  });
+
+  describe('edge cases', () => {
+    it('should handle midnight correctly', () => {
+      const date = new Date('2024-01-15T00:00:00');
+
+      const result = DashboardDateDisplay.format(date);
+
+      expect(result.time).toBe('00:00');
+    });
+
+    it('should handle end of day correctly', () => {
+      const date = new Date('2024-01-15T23:59:59');
+
+      const result = DashboardDateDisplay.format(date);
+
+      expect(result.time).toBe('23:59');
+    });
+
+    it('should handle different days of week', () => {
+      const date = new Date('2024-01-15'); // Monday
+
+      const result = DashboardDateDisplay.format(date);
+
+      expect(result.date).toContain('Mon');
+    });
+
+    it('should handle different months', () => {
+      const date = new Date('2024-01-15');
+
+      const result = DashboardDateDisplay.format(date);
+
+      expect(result.date).toContain('Jan');
+    });
+  });
+});