From f93eb4ed26ae6f86fd6e6bcee6a9336163377c2d Mon Sep 17 00:00:00 2001
From: Joaco2603 <jpappa2603@gmail.com>
Date: Mon, 1 Sep 2025 00:53:38 -0600
Subject: [PATCH] feature/test-nft

---
 .../application/repository/repository.test.ts | 101 ++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 src/modules/nft/__tests__/application/repository/repository.test.ts

diff --git a/src/modules/nft/__tests__/application/repository/repository.test.ts b/src/modules/nft/__tests__/application/repository/repository.test.ts
new file mode 100644
index 0000000..f919ea2
--- /dev/null
+++ b/src/modules/nft/__tests__/application/repository/repository.test.ts
@@ -0,0 +1,101 @@
+import NFTRepository from "../../../repositories/nft.repository";
+
+// filepath: src/modules/nft/_tests_/application/repository/repository.test.ts
+// Note: We recommend installing an extension to run jest tests.
+
+describe("NFTRepository - reference-related operations", () => {
+    let repository: any;
+    let mockModel: any;
+    let mockPrisma: any;
+
+    beforeEach(() => {
+        repository = new NFTRepository();
+
+        mockModel = {
+            create: jest.fn(),
+            findUnique: jest.fn(),
+            findMany: jest.fn(),
+            delete: jest.fn(),
+        };
+
+        // Some codebases use nft while others nFT for the Prisma model accessor.
+        // Provide both to make tests resilient to either shape.
+        mockPrisma = {
+            nft: mockModel,
+            nFT: mockModel,
+        };
+
+        // Inject the mocked prisma into the repository instance regardless of how it's referenced inside.
+        (repository as any).prisma = mockPrisma;
+    });
+
+    it("should expose CRUD methods", () => {
+        expect(typeof repository.createNFT).toBe("function");
+        expect(typeof repository.getNFTById).toBe("function");
+        expect(typeof repository.getNFTByUserId).toBe("function");
+        expect(typeof repository.deleteNFT).toBe("function");
+    });
+
+    it("createNFT() - creates an NFT and returns its reference", async () => {
+        const payload = {
+            userId: "user-1",
+            organizationId: "org-1",
+            description: "An NFT for testing",
+            isMinted: false,
+        };
+
+        const created = { id: "nft-1", ...payload };
+        mockModel.create.mockResolvedValue(created);
+
+        const result = await repository.createNFT(payload);
+
+        expect(mockModel.create).toHaveBeenCalled();
+        // Common Prisma pattern: create({ data: payload })
+        expect(mockModel.create.mock.calls[0][0]).toEqual(expect.objectContaining({ data: payload }));
+        expect(result).toEqual(created);
+    });
+
+    it("getNFTById() - retrieves an NFT using its ID", async () => {
+        const nft = { id: "nft-2", userId: "user-2", description: "by id" };
+        mockModel.findUnique.mockResolvedValue(nft);
+
+        const result = await repository.getNFTById("nft-2");
+
+        expect(mockModel.findUnique).toHaveBeenCalled();
+        // Common Prisma pattern: findUnique({ where: { id } })
+        expect(mockModel.findUnique.mock.calls[0][0]).toEqual(expect.objectContaining({ where: { id: "nft-2" } }));
+        expect(result).toEqual(nft);
+    });
+
+    it("getNFTByUserId() - retrieves NFTs owned by a specific user", async () => {
+        const nfts = [
+            { id: "nft-a", userId: "owner-1", description: "A" },
+            { id: "nft-b", userId: "owner-1", description: "B" },
+        ];
+        mockModel.findMany.mockResolvedValue(nfts);
+
+        const result = await repository.getNFTByUserId("owner-1");
+
+        expect(mockModel.findMany).toHaveBeenCalled();
+        // Common Prisma pattern: findMany({ where: { userId } })
+        expect(mockModel.findMany.mock.calls[0][0]).toEqual(expect.objectContaining({ where: { userId: "owner-1" } }));
+        expect(result).toEqual(nfts);
+    });
+
+    it("deleteNFT() - removes an NFT and ensures it is no longer retrievable", async () => {
+        const deleted = { id: "nft-del", userId: "owner-del", description: "to be deleted" };
+        mockModel.delete.mockResolvedValue(deleted);
+
+        const result = await repository.deleteNFT("nft-del");
+
+        expect(mockModel.delete).toHaveBeenCalled();
+        // Common Prisma pattern: delete({ where: { id } })
+        expect(mockModel.delete.mock.calls[0][0]).toEqual(expect.objectContaining({ where: { id: "nft-del" } }));
+        expect(result).toEqual(deleted);
+
+        // Simulate subsequent retrieval returns null (not found)
+        mockModel.findUnique.mockResolvedValueOnce(null);
+        const afterDelete = await repository.getNFTById("nft-del");
+        expect(afterDelete).toBeNull();
+    });
+});
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