fetch-document-by-id-review-sonar-coverage

src/document/document.service.spec.ts

@@ -186,5 +186,35 @@ describe('DocumentService', () => {
       jest.spyOn(service['prisma'].documents, 'findUnique').mockResolvedValue(null);
       await expect(service.fetchDocument({ id: 'not-found-id' })).rejects.toThrow('980');
     });
+
+    it('should return presigned url for FILENET if alternate branch is hit', async () => {
+      // This mock matches the FILENET + document_link branch in the service
+      mockPrisma.documents.findUnique.mockResolvedValue({
+        document_id: '3',
+        document_name: 'filenet-alt.pdf',
+        source: 'FILENET',
+        document_link: 'doc-link',
+      });
+      jest.spyOn(service, 'logInsertToDocumentsAuditLogs').mockResolvedValue(true);
+      const result = await service.fetchDocument({ id: '3' });
+      console.log('DEBUG result:', result); // <-- Add this line
+      expect(result.base64).toBeDefined();
+      expect(result.base64?.fileName).toBe('filenet-alt.pdf');
+      expect(result.base64?.mimeType).toBe('application/pdf');
+      expect(result.base64?.content).toBeDefined();
+      expect(service.logInsertToDocumentsAuditLogs).toHaveBeenCalled();
+    });
+
+    it('should throw original error if logInsertToDocumentsAuditLogs fails', async () => {
+      mockPrisma.documents.findUnique.mockResolvedValue({
+        document_id: '4',
+        document_name: 'fail-log.pdf',
+        source: 'FILENET',
+        document_link: 'doc-link',
+      });
+      jest.spyOn(service, 'logInsertToDocumentsAuditLogs').mockRejectedValue(new Error('log failed'));
+      await expect(service.fetchDocument({ id: '4' }))
+        .rejects.toThrow('log failed');
+    });
   });
 });