Add handling of negative space values

2025-06-05 15:05:13 -04:00
parent b705cfc4c3
commit f2a1f9e1b8
3 changed files with 64 additions and 20 deletions
@@ -0,0 +1,35 @@
+import { describe, expect, it } from 'vitest';
+
+import { calculateUsedPercentage, calculateTotal } from './space';
+
+describe('calculateTotal()', () => {
+    it('should return the total', () => {
+        expect(calculateTotal({ FreeSpace: 1, UsedSpace: 2 })).toBe(3);
+    });
+
+    it('should return -1 for invalid used space values', () => {
+        expect(calculateTotal({ FreeSpace: 1 })).toBe(-1);
+        expect(calculateTotal({ FreeSpace: 1, UsedSpace: -1 })).toBe(-1);
+    });
+
+    it('should treat invalid free space values as 0', () => {
+        expect(calculateTotal({ UsedSpace: 1 })).toBe(1);
+        expect(calculateTotal({ FreeSpace: -1, UsedSpace: 1 })).toBe(1);
+    });
+});
+
+describe('calculateUsedPercentage', () => {
+    it('should return the percentage used', () => {
+        expect(calculateUsedPercentage({ FreeSpace: 1, UsedSpace: 3 })).toBe(75);
+    });
+
+    it('should return 0 for invalid used space values', () => {
+        expect(calculateUsedPercentage({ FreeSpace: 1 })).toBe(0);
+        expect(calculateUsedPercentage({ FreeSpace: 1, UsedSpace: -1 })).toBe(0);
+    });
+
+    it('should return 100 for invalid free space values', () => {
+        expect(calculateUsedPercentage({ UsedSpace: 1 })).toBe(100);
+        expect(calculateUsedPercentage({ FreeSpace: -1, UsedSpace: 1 })).toBe(100);
+    });
+});