add blogdetail route tests

Author: janishar

tests/routes/v1/blog/blogDetail/index.test.ts

@@ -0,0 +1,97 @@
+import { addHeaders } from '../../../../auth/authentication/mock';
+
+import {
+	mockBlogFindByUrl, mockFindInfoWithTextById, BLOG_ID, BLOG_URL
+} from './mock';
+
+import supertest from 'supertest';
+import app from '../../../../../src/app';
+import { Types } from 'mongoose';
+
+describe('BlogDetail by URL route', () => {
+
+	beforeEach(() => {
+		mockBlogFindByUrl.mockClear();
+	});
+
+	const request = supertest(app);
+	const endpoint = '/v1/blog/url';
+
+	it('Should send error when endpoint query is not passed', async () => {
+		const response = await addHeaders(request.get(endpoint));
+		expect(response.status).toBe(400);
+		expect(response.body.message).toMatch(/endpoint/);
+		expect(response.body.message).toMatch(/required/);
+		expect(mockBlogFindByUrl).not.toBeCalled();
+	});
+
+	it('Should send error when url endpoint is more that 200 chars', async () => {
+		const param = new Array(201).fill('a').join('');
+		const response = await addHeaders(request.get(endpoint)
+			.query({ endpoint: param })
+		);
+		expect(response.status).toBe(400);
+		expect(response.body.message).toMatch(/length must/);
+		expect(response.body.message).toMatch(/200/);
+		expect(mockBlogFindByUrl).not.toBeCalled();
+	});
+
+	it('Should send error when blog do not exists', async () => {
+		const response = await addHeaders(request.get(endpoint)
+			.query({ endpoint: 'xyz' })
+		);
+		expect(response.status).toBe(400);
+		expect(response.body.message).toMatch(/do not exists/);
+		expect(mockBlogFindByUrl).toBeCalledTimes(1);
+		expect(mockBlogFindByUrl).toBeCalledWith('xyz');
+	});
+
+	it('Should send data when blog exists', async () => {
+		const response = await addHeaders(request.get(endpoint)
+			.query({ endpoint: BLOG_URL })
+		);
+		expect(response.status).toBe(200);
+		expect(response.body.message).toMatch(/success/);
+		expect(response.body.data).toBeDefined();
+		expect(response.body.data).toHaveProperty('_id');
+		expect(mockBlogFindByUrl).toBeCalledTimes(1);
+		expect(mockBlogFindByUrl).toBeCalledWith(BLOG_URL);
+	});
+});
+
+describe('BlogDetail by id route', () => {
+
+	beforeEach(() => {
+		mockFindInfoWithTextById.mockClear();
+	});
+
+	const request = supertest(app);
+	const endpoint = '/v1/blog/id/';
+
+	it('Should send error when invalid id is passed', async () => {
+		const response = await addHeaders(request.get(endpoint + 'abc'));
+		expect(response.status).toBe(400);
+		expect(response.body.message).toMatch(/invalid/);
+		expect(mockFindInfoWithTextById).not.toBeCalled();
+	});
+
+	it('Should send error when blog do not exists', async () => {
+		const response = await addHeaders(
+			request.get(endpoint + new Types.ObjectId().toHexString())
+		);
+		expect(response.status).toBe(400);
+		expect(response.body.message).toMatch(/do not exists/);
+		expect(mockFindInfoWithTextById).toBeCalledTimes(1);
+	});
+
+	it('Should send data when blog exists', async () => {
+		const response = await addHeaders(
+			request.get(endpoint + BLOG_ID.toHexString())
+		);
+		expect(response.status).toBe(200);
+		expect(response.body.message).toMatch(/success/);
+		expect(response.body.data).toBeDefined();
+		expect(response.body.data).toHaveProperty('_id');
+		expect(mockFindInfoWithTextById).toBeCalledTimes(1);
+	});
+});

tests/routes/v1/blog/blogDetail/mock.ts

@@ -0,0 +1,28 @@
+import { IBlog } from '../../../../../src/database/model/Blog';
+import { Types } from 'mongoose';
+
+jest.unmock('../../../../../src/database/repository/BlogRepo');
+
+export const BLOG_ID = new Types.ObjectId();
+export const BLOG_URL = 'abc';
+
+export const mockBlogFindByUrl = jest.fn(async (blogUrl: string): Promise<IBlog> => {
+	if (blogUrl === BLOG_URL) return <IBlog>{
+		_id: BLOG_ID,
+		blogUrl: blogUrl
+	};
+	return null;
+});
+
+export const mockFindInfoWithTextById = jest.fn(async (id: Types.ObjectId): Promise<IBlog> => {
+	if (BLOG_ID.equals(id)) return <IBlog>{
+		_id: BLOG_ID,
+		blogUrl: BLOG_URL
+	};
+	return null;
+});
+
+jest.mock('../../../../../src/database/repository/BlogRepo', () => ({
+	get findByUrl() { return mockBlogFindByUrl; },
+	get findInfoWithTextById() { return mockFindInfoWithTextById; }
+}));