formatter tests

apps/website/lib/formatters/LeagueFormatter.test.ts

@@ -0,0 +1,26 @@
+import { describe, it, expect } from 'vitest';
+import { LeagueFormatter } from './LeagueFormatter';
+
+describe('LeagueFormatter', () => {
+  describe('formatCount', () => {
+    it('should format 1 league correctly', () => {
+      expect(LeagueFormatter.formatCount(1)).toBe('1 league');
+    });
+
+    it('should format 2 leagues correctly', () => {
+      expect(LeagueFormatter.formatCount(2)).toBe('2 leagues');
+    });
+
+    it('should format 0 leagues correctly', () => {
+      expect(LeagueFormatter.formatCount(0)).toBe('0 leagues');
+    });
+
+    it('should format large numbers correctly', () => {
+      expect(LeagueFormatter.formatCount(100)).toBe('100 leagues');
+    });
+
+    it('should handle negative numbers', () => {
+      expect(LeagueFormatter.formatCount(-1)).toBe('-1 leagues');
+    });
+  });
+});