104 lines
3.1 KiB
JavaScript
104 lines
3.1 KiB
JavaScript
const mongoose = require("mongoose");
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const connectDB = require("../../src/config/database");
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const errorHandler = require("../../src/middleware/errorHandler");
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const mockRequest = (body = {}, params = {}) => ({
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body,
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params,
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});
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const mockResponse = () => {
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const res = {};
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res.status = jest.fn().mockReturnValue(res);
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res.json = jest.fn().mockReturnValue(res);
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return res;
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};
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describe("Modul 1 - Unit Tests", () => {
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beforeEach(() => {
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jest.clearAllMocks();
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console.error = jest.fn();
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});
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describe("Error Handler Middleware", () => {
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test("harus menangani error dengan status code yang disediakan", () => {
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const err = new Error("Bad Request Error");
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err.statusCode = 400;
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const req = mockRequest();
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const res = mockResponse();
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const next = jest.fn();
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errorHandler(err, req, res, next);
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expect(console.error).toHaveBeenCalled();
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expect(res.status).toHaveBeenCalledWith(400);
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expect(res.json).toHaveBeenCalledWith({
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success: false,
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error: "Bad Request Error",
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});
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});
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test("harus menggunakan default status code 500 jika tidak disediakan", () => {
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const err = new Error("Server Error Without Status Code");
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const req = mockRequest();
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const res = mockResponse();
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const next = jest.fn();
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errorHandler(err, req, res, next);
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expect(console.error).toHaveBeenCalled();
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expect(res.status).toHaveBeenCalledWith(500);
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expect(res.json).toHaveBeenCalledWith({
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success: false,
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error: "Server Error Without Status Code",
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});
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});
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});
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describe("Custom Error Creation", () => {
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test("harus dapat membuat custom error dengan status code", () => {
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const createCustomError = (message, statusCode) => {
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const error = new Error(message);
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error.statusCode = statusCode;
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return error;
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};
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const notFoundError = createCustomError("Resource not found", 404);
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const validationError = createCustomError("Validation failed", 400);
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expect(notFoundError).toBeInstanceOf(Error);
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expect(notFoundError.message).toBe("Resource not found");
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expect(notFoundError.statusCode).toBe(404);
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expect(validationError).toBeInstanceOf(Error);
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expect(validationError.message).toBe("Validation failed");
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expect(validationError.statusCode).toBe(400);
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});
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test("harus dapat meneruskan error ke middleware error handler", () => {
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const err = new Error("Test Error");
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err.statusCode = 422;
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const req = mockRequest();
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const res = mockResponse();
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const next = jest.fn();
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next(err);
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errorHandler(err, req, res, next);
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expect(next).toHaveBeenCalledWith(err);
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expect(res.status).toHaveBeenCalledWith(422);
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expect(res.json).toHaveBeenCalledWith({
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success: false,
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error: "Test Error",
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});
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});
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});
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describe("Express Middleware Structure", () => {
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test("harus memiliki struktur errorHandler yang benar", () => {
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expect(errorHandler).toBeInstanceOf(Function);
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expect(errorHandler.length).toBe(4);
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});
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});
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});
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