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fullstack-open/part4/bloglist/tests/blog_api.test.js
Andrew Trieu 4b88f3958f Upload 4.14
2023-05-31 21:27:58 +03:00

132 lines
3.5 KiB
JavaScript

const mongoose = require('mongoose')
const supertest = require('supertest')
const app = require('../app')
const api = supertest(app)
const Blog = require('../models/blog')
const helper = require('./test_helper')
beforeEach(async () => {
await Blog.deleteMany({})
await Blog.insertMany(helper.initialBlogs)
})
describe('getting blogs', () => {
test('blogs are returned as json', async () => {
await api
.get('/api/blogs')
.expect(200)
.expect('Content-Type', /application\/json/)
})
test('all blogs are returned', async () => {
const response = await api.get('/api/blogs')
expect(response.body).toHaveLength(helper.initialBlogs.length)
})
test('a specific blog is within the returned blogs', async () => {
const response = await api.get('/api/blogs')
const contents = response.body.map((r) => r.title)
expect(contents).toContain('Another blog')
})
})
describe('adding blog', () => {
test('a valid blog can be added ', async () => {
const newBlog = {
title: 'Test',
author: 'Tester',
url: 'http:/test.com',
likes: 999
}
await api
.post('/api/blogs')
.send(newBlog)
.expect(201)
.expect('Content-Type', /application\/json/)
const blogsAtEnd = await helper.blogsInDb()
expect(blogsAtEnd).toHaveLength(helper.initialBlogs.length + 1)
const contents = blogsAtEnd.map((n) => n.title)
expect(contents).toContain('Test')
})
test('blog without title or url is not added', async () => {
const newBlog = {
author: 'Tester',
likes: 999
}
await api.post('/api/blogs').send(newBlog).expect(400)
const blogsAtEnd = await helper.blogsInDb()
expect(blogsAtEnd).toHaveLength(helper.initialBlogs.length)
})
test('blog without likes is added with 0 likes', async () => {
const newBlog = {
title: 'Another test',
author: 'Tester',
url: 'http:/test.com'
}
await api
.post('/api/blogs')
.send(newBlog)
.expect(201)
.expect('Content-Type', /application\/json/)
const blogsAtEnd = await helper.blogsInDb()
const addedBlog = blogsAtEnd.find(blog => blog.title === 'Another test')
expect(addedBlog.likes).toBe(0)
})
})
describe('deleting blog', () => {
test('a blog can be deleted', async () => {
const blogsAtStart = await helper.blogsInDb()
const blogToDelete = blogsAtStart[0]
await api.delete(`/api/blogs/${blogToDelete.id}`).expect(204)
const blogsAtEnd = await helper.blogsInDb()
expect(blogsAtEnd).toHaveLength(helper.initialBlogs.length - 1)
const contents = blogsAtEnd.map((r) => r.title)
expect(contents).not.toContain(blogToDelete.title)
})
})
describe('updating blog', () => {
test('a blog can be updated', async () => {
const blogsAtStart = await helper.blogsInDb()
const blogToUpdate = blogsAtStart[0]
const newBlog = {
title: 'Updated blog',
author: blogToUpdate.author,
url: blogToUpdate.url,
likes: blogToUpdate.likes
}
await api.put(`/api/blogs/${blogToUpdate.id}`).send(newBlog).expect(200)
const blogsAtEnd = await helper.blogsInDb()
expect(blogsAtEnd).toHaveLength(helper.initialBlogs.length)
const contents = blogsAtEnd.map((r) => r.title)
expect(contents).toContain('Updated blog')
})
})
describe('blog id check', () => {
test('blog id is defined', async () => {
const response = await api.get('/api/blogs')
expect(response.body[0].id).toBeDefined()
})
})
afterAll(async () => {
await mongoose.connection.close()
})