chore: import upstream snapshot with attribution

api/src/routes/helpers/certificate-utils.test.ts

@@ -0,0 +1,50 @@
+import { describe, test, expect } from 'vitest';
+
+import { getFallbackFullStackDate } from './certificate-utils.js';
+
+const fullStackChallenges = [
+  {
+    completedDate: 1585210952511,
+    id: '5a553ca864b52e1d8bceea14'
+  },
+  {
+    completedDate: 1585210952511,
+    id: '561add10cb82ac38a17513bc'
+  },
+  {
+    completedDate: 1588665778679,
+    id: '561acd10cb82ac38a17513bc'
+  },
+  {
+    completedDate: 1685210952511,
+    id: '561abd10cb81ac38a17513bc'
+  },
+  {
+    completedDate: 1585210952511,
+    id: '561add10cb82ac38a17523bc'
+  },
+  {
+    completedDate: 1588665778679,
+    id: '561add10cb82ac38a17213bc'
+  }
+];
+
+describe('helper functions', () => {
+  describe('getFallbackFullStackDate', () => {
+    test('should return the date of the latest completed challenge', () => {
+      expect(getFallbackFullStackDate(fullStackChallenges, 123)).toBe(
+        1685210952511
+      );
+    });
+
+    test('should fall back to completedDate if no certifications are provided', () => {
+      expect(getFallbackFullStackDate([], 123)).toBe(123);
+    });
+
+    test('should fall back to completedDate if none of the certifications have been completed', () => {
+      expect(
+        getFallbackFullStackDate([{ completedDate: 567, id: 'abc' }], 123)
+      ).toBe(123);
+    });
+  });
+});