test(reports): add unit tests for ReportsController and ReportsRepository with mocked dependencies

backend/src/users/repositories/users.repository.spec.ts

@@ -0,0 +1,150 @@
+import { Test, TestingModule } from "@nestjs/testing";
+import { DatabaseService } from "../../database/database.service";
+import { UsersRepository } from "./users.repository";
+
+describe("UsersRepository", () => {
+	let repository: UsersRepository;
+	let _databaseService: DatabaseService;
+
+	const mockDb = {
+		insert: jest.fn().mockReturnThis(),
+		values: jest.fn().mockReturnThis(),
+		returning: jest.fn().mockResolvedValue([{ uuid: "u1" }]),
+		select: jest.fn().mockReturnThis(),
+		from: jest.fn().mockReturnThis(),
+		where: jest.fn().mockReturnThis(),
+		limit: jest.fn().mockReturnThis(),
+		offset: jest.fn().mockReturnThis(),
+		update: jest.fn().mockReturnThis(),
+		set: jest.fn().mockReturnThis(),
+		delete: jest.fn().mockReturnThis(),
+		transaction: jest.fn(),
+	};
+
+	beforeEach(async () => {
+		const module: TestingModule = await Test.createTestingModule({
+			providers: [
+				UsersRepository,
+				{
+					provide: DatabaseService,
+					useValue: { db: mockDb },
+				},
+			],
+		}).compile();
+
+		repository = module.get<UsersRepository>(UsersRepository);
+		_databaseService = module.get<DatabaseService>(DatabaseService);
+		jest.clearAllMocks();
+	});
+
+	it("should be defined", () => {
+		expect(repository).toBeDefined();
+	});
+
+	describe("create", () => {
+		it("should insert a user", async () => {
+			const data = {
+				username: "u",
+				email: "e",
+				passwordHash: "p",
+				emailHash: "eh",
+			};
+			await repository.create(data);
+			expect(mockDb.insert).toHaveBeenCalled();
+			expect(mockDb.values).toHaveBeenCalledWith(data);
+		});
+	});
+
+	describe("findByEmailHash", () => {
+		it("should select user by email hash", async () => {
+			mockDb.limit.mockResolvedValueOnce([{ uuid: "u1" }]);
+			const result = await repository.findByEmailHash("hash");
+			expect(result.uuid).toBe("u1");
+			expect(mockDb.select).toHaveBeenCalled();
+			expect(mockDb.where).toHaveBeenCalled();
+		});
+	});
+
+	describe("findOneWithPrivateData", () => {
+		it("should select user with private data", async () => {
+			mockDb.limit.mockResolvedValueOnce([{ uuid: "u1" }]);
+			const result = await repository.findOneWithPrivateData("u1");
+			expect(result.uuid).toBe("u1");
+		});
+	});
+
+	describe("countAll", () => {
+		it("should return count", async () => {
+			mockDb.from.mockResolvedValueOnce([{ count: 5 }]);
+			const result = await repository.countAll();
+			expect(result).toBe(5);
+		});
+	});
+
+	describe("findAll", () => {
+		it("should select users with limit and offset", async () => {
+			mockDb.offset.mockResolvedValueOnce([{ uuid: "u1" }]);
+			const result = await repository.findAll(10, 0);
+			expect(result[0].uuid).toBe("u1");
+			expect(mockDb.limit).toHaveBeenCalledWith(10);
+			expect(mockDb.offset).toHaveBeenCalledWith(0);
+		});
+	});
+
+	describe("findByUsername", () => {
+		it("should find by username", async () => {
+			mockDb.limit.mockResolvedValueOnce([{ uuid: "u1" }]);
+			const result = await repository.findByUsername("u");
+			expect(result.uuid).toBe("u1");
+		});
+	});
+
+	describe("update", () => {
+		it("should update user", async () => {
+			mockDb.returning.mockResolvedValueOnce([{ uuid: "u1" }]);
+			await repository.update("u1", { displayName: "New" });
+			expect(mockDb.update).toHaveBeenCalled();
+			expect(mockDb.set).toHaveBeenCalled();
+		});
+	});
+
+	describe("getTwoFactorSecret", () => {
+		it("should return secret", async () => {
+			mockDb.limit.mockResolvedValueOnce([{ secret: "s" }]);
+			const result = await repository.getTwoFactorSecret("u1");
+			expect(result).toBe("s");
+		});
+	});
+
+	describe("getUserContents", () => {
+		it("should return contents", async () => {
+			mockDb.where.mockResolvedValueOnce([{ id: "c1" }]);
+			const result = await repository.getUserContents("u1");
+			expect(result[0].id).toBe("c1");
+		});
+	});
+
+	describe("softDeleteUserAndContents", () => {
+		it("should run transaction", async () => {
+			const mockTx = {
+				update: jest.fn().mockReturnThis(),
+				set: jest.fn().mockReturnThis(),
+				where: jest.fn().mockReturnThis(),
+				returning: jest.fn().mockResolvedValue([{ uuid: "u1" }]),
+			};
+			mockDb.transaction.mockImplementation(async (cb) => cb(mockTx));
+
+			const result = await repository.softDeleteUserAndContents("u1");
+			expect(result[0].uuid).toBe("u1");
+			expect(mockTx.update).toHaveBeenCalledTimes(2);
+		});
+	});
+
+	describe("purgeDeleted", () => {
+		it("should delete old deleted users", async () => {
+			mockDb.returning.mockResolvedValueOnce([{ uuid: "u1" }]);
+			const _result = await repository.purgeDeleted(new Date());
+			expect(mockDb.delete).toHaveBeenCalled();
+		});
+	});
+});