did test for FEAT hngprojects#201

src/test/adminOrganizationService.spec.ts

@@ -0,0 +1,64 @@
+// src/services/AdminOrganisationService.spec.ts
+import AppDataSource from "../data-source";
+import { Organization } from "../models";
+import { HttpError } from "../middleware";
+import { AdminOrganisationService } from "../services/admin.services";
+import { validate as uuidValidate } from "uuid";
+
+jest.mock("../data-source", () => {
+  return {
+    AppDataSource: {
+      getRepository: jest.fn(),
+    },
+  };
+});
+
+jest.mock("../models");
+jest.mock("uuid", () => ({
+  validate: jest.fn(),
+}));
+
+describe("AdminOrganisationService - getById", () => {
+  let adminOrganisationService: AdminOrganisationService;
+  let mockRepository;
+
+  beforeEach(() => {
+    adminOrganisationService = new AdminOrganisationService();
+    mockRepository = {
+      findOne: jest.fn(),
+    };
+    (AppDataSource.getRepository as jest.Mock).mockReturnValue(mockRepository);
+  });
+
+  it("should return the organization if it exists", async () => {
+    const org_id = "valid-uuid";
+    const mockOrganization = { id: org_id, name: "Org" };
+
+    (uuidValidate as jest.Mock).mockReturnValue(true);
+    mockRepository.findOne.mockResolvedValue(mockOrganization);
+
+    const result = await adminOrganisationService.getSingleOrgById({ params: { id: org_id } } as any);
+
+    expect(result).toEqual(mockOrganization);
+    expect(mockRepository.findOne).toHaveBeenCalledWith({ where: { id: org_id } });
+  });
+
+  it("should throw a 400 error for an invalid UUID", async () => {
+    const org_id = "invalid-uuid";
+
+    (uuidValidate as jest.Mock).mockReturnValue(false);
+
+    await expect(adminOrganisationService.getSingleOrgById({ params: { id: org_id } } as any))
+      .rejects.toThrow(new HttpError(400, "Invalid organization ID."));
+  });
+
+  it("should throw a 404 error if the organization is not found", async () => {
+    const org_id = "valid-uuid";
+
+    (uuidValidate as jest.Mock).mockReturnValue(true);
+    mockRepository.findOne.mockResolvedValue(null);
+
+    await expect(adminOrganisationService.getSingleOrgById({ params: { id: org_id } } as any))
+      .rejects.toThrow(new HttpError(404, "Organization not found."));
+  });
+});