test(generator): add coverage for tower top white highlight on count > 5

Author: Subhooo5

lib/svg/generator.test.ts

@@ -377,6 +377,52 @@ describe('generateSVG', () => {
       expect(svg).not.toContain('attributeName="opacity" values="1;0.4;1"');
     });
   });
+
+  describe('tower top highlight', () => {
+    it('renders white highlight on tower top when contributionCount > 5', () => {
+      const calendarWithHighCount: ContributionCalendar = {
+        totalContributions: 9,
+        weeks: [
+          {
+            contributionDays: [
+              { contributionCount: 6, date: '2024-06-10' },
+              { contributionCount: 3, date: '2024-06-11' },
+            ],
+          },
+        ],
+      };
+
+      const svg = generateSVG(
+        mockStats,
+        { user: 'avi' } as unknown as BadgeParams,
+        calendarWithHighCount
+      );
+
+      expect(svg).toContain('fill="white" fill-opacity="0.2"');
+    });
+
+    it('does not render white highlight when all days have contributionCount <= 5', () => {
+      const calendarWithLowCount: ContributionCalendar = {
+        totalContributions: 8,
+        weeks: [
+          {
+            contributionDays: [
+              { contributionCount: 3, date: '2024-06-10' },
+              { contributionCount: 5, date: '2024-06-11' },
+            ],
+          },
+        ],
+      };
+
+      const svg = generateSVG(
+        mockStats,
+        { user: 'avi' } as unknown as BadgeParams,
+        calendarWithLowCount
+      );
+
+      expect(svg).not.toContain('fill="white" fill-opacity="0.2"');
+    });
+  });
 });
 
 describe('generateMonthlySVG', () => {