Upload 5.23

part4/bloglist/app.js

@@ -14,7 +14,8 @@ mongoose.set('strictQuery', false)
 
 logger.info('connecting to', config.MONGODB_URI)
 
-mongoose.connect(config.MONGODB_URI)
+mongoose
+  .connect(config.MONGODB_URI)
   .then(() => {
     logger.info('connected to MongoDB')
   })
@@ -33,6 +34,11 @@ app.use('/api/blogs', blogsRouter)
 app.use('/api/users', usersRouter)
 app.use('/api/login', loginRouter)
 
+if (process.env.NODE_ENV === 'test') {
+  const testingRouter = require('./controllers/testing')
+  app.use('/api/testing', testingRouter)
+}
+
 app.use(middleware.unknownEndpoint)
 app.use(middleware.errorHandler)
 

part4/bloglist/controllers/testing.js

@@ -0,0 +1,12 @@
+const testingRouter = require('express').Router()
+const Blog = require('../models/blog')
+const User = require('../models/user')
+
+testingRouter.post('/reset', async (request, response) => {
+  await Blog.deleteMany({})
+  await User.deleteMany({})
+
+  response.status(204).end()
+})
+
+module.exports = testingRouter

part4/bloglist/package.json

@@ -6,7 +6,9 @@
   "scripts": {
     "start": "cross-env NODE_ENV=production node index.js",
     "dev": "cross-env NODE_ENV=development nodemon index.js",
-    "test": "cross-env NODE_ENV=test jest --verbose --runInBand"
+    "test": "cross-env NODE_ENV=test jest --verbose --runInBand",
+    "start:test": "cross-env NODE_ENV=test node index.js"
+
   },
   "author": "",
   "license": "ISC",

part5/bloglist-frontend/.eslintrc.cjs

@@ -4,6 +4,7 @@ module.exports = {
     browser: true,
     es6: true,
     'jest/globals': true,
+    'cypress/globals': true
   },
   extends: ['eslint:recommended', 'plugin:react/recommended'],
   parserOptions: {
@@ -13,7 +14,7 @@ module.exports = {
     ecmaVersion: 2018,
     sourceType: 'module',
   },
-  plugins: ['react', 'jest'],
+  plugins: ['react', 'jest', 'cypress'],
   rules: {
     indent: ['error', 2],
     'linebreak-style': ['error', 'unix'],

part5/bloglist-frontend/cypress.config.js

@@ -0,0 +1,9 @@
+import { defineConfig } from "cypress";
+
+export default defineConfig({
+  e2e: {
+    setupNodeEvents(on, config) {
+      // implement node event listeners here
+    },
+  },
+});

part5/bloglist-frontend/cypress/e2e/spec.cy.js

@@ -0,0 +1,102 @@
+describe('blog app', function () {
+  beforeEach(function () {
+    cy.request('POST', 'http://localhost:3001/api/testing/reset')
+    cy.request('POST', 'http://localhost:3001/api/users/', {
+      name: 'Andrew',
+      username: 'andyyyyy',
+      password: '123456',
+    })
+    cy.request('POST', 'http://localhost:3001/api/users/', {
+      name: 'Matti Luukkainen',
+      username: 'mluukkai',
+      password: 'salainen',
+    })
+    cy.visit('http://localhost:3000')
+  })
+
+  it('front page can be opened', function () {
+    cy.contains('Bloglist')
+    cy.contains('Please log in')
+    cy.contains('Username')
+    cy.contains('Password')
+    cy.contains('Login')
+  })
+
+  describe('when logged in', function () {
+    beforeEach(function () {
+      it('login succeeds with correct credentials', function () {
+        cy.get('.username').type('andyyyyy')
+        cy.get('.password').type('123456')
+        cy.get('.loginButton').click()
+      })
+
+      cy.contains('Andrew logged in')
+    })
+
+    it('a new blog can be created', function () {
+      cy.contains('New blog').click()
+      cy.get('.title').type('a blog created')
+      cy.get('.author').type('cypress')
+      cy.get('.urlAddress').type('cypress.com')
+      cy.get('.createButton').click()
+      cy.contains('a blog created by cypress')
+    })
+
+    it('a blog can be liked', function () {
+      cy.contains('New blog').click()
+      cy.get('.title').type('a blog created')
+      cy.get('.author').type('cypress')
+      cy.get('.urlAddress').type('cypress.com')
+      cy.get('.createButton').click()
+      cy.contains('a blog created by cypress')
+      cy.contains('View').click()
+      cy.contains('+').click()
+      cy.contains('1')
+    })
+
+    it('a blog can be deleted', function () {
+      cy.contains('New blog').click()
+      cy.get('.title').type('a blog created')
+      cy.get('.author').type('cypress')
+      cy.get('.urlAddress').type('cypress.com')
+      cy.get('.createButton').click()
+      cy.contains('a blog created by cypress')
+      cy.contains('View').click()
+      cy.contains('Remove').click()
+      cy.get('html').should('not.contain', 'a blog created by cypress')
+    })
+
+    it('only the creator can delete a blog', function () {
+      cy.contains('New blog').click()
+      cy.get('.title').type('a blog created')
+      cy.get('.author').type('cypress')
+      cy.get('.urlAddress').type('cypress.com')
+      cy.get('.createButton').click()
+      cy.contains('a blog created by cypress')
+      cy.get('.logoutButton').click()
+      cy.get('.username').type('mluukkai')
+      cy.get('.password').type('salainen')
+      cy.get('.loginButton').click()
+      cy.contains('View').click()
+      cy.contains('Remove').click()
+      cy.contains('a blog created by cypress')
+    })
+
+    it('blogs are ordered according to likes', function () {
+      cy.contains('New blog').click()
+      cy.get('.title').type('another blog created')
+      cy.get('.author').type('cypress')
+      cy.get('.urlAddress').type('cypress.com')
+      cy.get('.createButton').click()
+      cy.contains('another blog created by cypress')
+      cy.contains('View').click()
+      cy.contains('+').click()
+      cy.wait(1000)
+      cy.contains('+').click()
+      cy.wait(1000)
+      cy.visit('http://localhost:3000')
+      cy.get('.blog').eq(0).should('contain', 'another blog created by cypress')
+      cy.get('.blog').eq(1).should('contain', 'a blog created by cypress')
+    })
+  })
+})

part5/bloglist-frontend/cypress/fixtures/example.json

@@ -0,0 +1,5 @@
+{
+  "name": "Using fixtures to represent data",
+  "email": "hello@cypress.io",
+  "body": "Fixtures are a great way to mock data for responses to routes"
+}

part5/bloglist-frontend/cypress/support/commands.js

@@ -0,0 +1,25 @@
+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add('login', (email, password) => { ... })
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add('drag', { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add('dismiss', { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This will overwrite an existing command --
+// Cypress.Commands.overwrite('visit', (originalFn, url, options) => { ... })

part5/bloglist-frontend/cypress/support/e2e.js

@@ -0,0 +1,20 @@
+// ***********************************************************
+// This example support/e2e.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import './commands'
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')

part5/bloglist-frontend/package.json

@@ -16,7 +16,9 @@
     "test": "react-scripts test",
     "eject": "react-scripts eject",
     "eslint": "eslint .",
-    "dev": "NODE_ENV=development nodemon index.js"
+    "dev": "NODE_ENV=development nodemon index.js",
+    "cypress:open": "cypress open",
+    "start:test": "NODE_ENV=test node index.js"
   },
   "eslintConfig": {
     "extends": [
@@ -41,6 +43,8 @@
     "@testing-library/jest-dom": "^5.16.5",
     "@testing-library/react": "^14.0.0",
     "@testing-library/user-event": "^14.4.3",
+    "cypress": "^12.15.0",
+    "eslint-plugin-cypress": "^2.13.3",
     "eslint-plugin-jest": "^27.2.2",
     "nodemon": "^2.0.22"
   },

part5/bloglist-frontend/src/App.js

@@ -107,13 +107,13 @@ const App = () => {
   }
 
   const loginForm = () => (
-    <form onSubmit={handleLogin}>
+    <form onSubmit={handleLogin} className="loginForm">
       <div>
         Username
         <input
           type="text"
           value={username}
-          name="username"
+          className="username"
           onChange={({ target }) => setUsername(target.value)}
         />
       </div>
@@ -122,11 +122,11 @@ const App = () => {
         <input
           type="password"
           value={password}
-          name="password"
+          className="password"
           onChange={({ target }) => setPassword(target.value)}
         />
       </div>
-      <button type="submit">Login</button>
+      <button type="submit" className='loginButton'>Login</button>
     </form>
   )
 
@@ -134,19 +134,21 @@ const App = () => {
     return (
       <div>
         <p> {user.name} logged in </p>
-        <button onClick={handleLogout}>Logout</button>
+        <button onClick={handleLogout} className='logoutButton'>Logout</button>
         <Togglable buttonLabel="New blog" ref={newBlogRef}>
           <BlogForm createBlog={handleNewBlog} />
         </Togglable>
         <h2> All blogs</h2>
-        {blogs.map((blog) => (
-          <Blog
-            key={blog.id}
-            blog={blog}
-            setNotification={setNotification}
-            removeBlog={handleRemoveBlog}
-          />
-        ))}
+        {blogs
+          .sort((a, b) => b.likes - a.likes)
+          .map((blog) => (
+            <Blog
+              key={blog.id}
+              blog={blog}
+              setNotification={setNotification}
+              removeBlog={handleRemoveBlog}
+            />
+          ))}
       </div>
     )
   }

part5/bloglist-frontend/src/components/Blog.test.js

@@ -70,10 +70,10 @@ describe('test for blogs', () => {
 
     const user = userEvent.setup()
 
-    const title = component.container.getElementsByName('title')
-    const author = component.container.getElementsByName('author')
-    const url = component.container.getElementsByName('urlAddress')
-    const form = component.container.getElementsByName('form')
+    const title = component.container.querySelector('.title')
+    const author = component.container.querySelector('.author')
+    const url = component.container.querySelector('.urlAddress')
+    const form = component.container.querySelector('.form')
 
     await user.type(title, 'How to be a good programmer')
     await user.type(author, 'Andrew Trieu')

part5/bloglist-frontend/src/components/BlogForm.js

@@ -24,13 +24,13 @@ export const BlogForm = ({ createBlog }) => {
   return (
     <div>
       <h2> Create new blog</h2>
-      <form onSubmit={addBlog} name='form'>
+      <form onSubmit={addBlog} className='form'>
         <div>
           Title:
           <input
             type="text"
             value={title}
-            name="title"
+            className="title"
             onChange={(event) => setTitle(event.target.value)}
           />
         </div>
@@ -39,7 +39,7 @@ export const BlogForm = ({ createBlog }) => {
           <input
             type="text"
             value={author}
-            name="author"
+            className="author"
             onChange={(event) => setAuthor(event.target.value)}
           />
         </div>
@@ -48,11 +48,11 @@ export const BlogForm = ({ createBlog }) => {
           <input
             type="text"
             value={urlAddress}
-            name="urlAddress"
+            className="urlAddress"
             onChange={(event) => setUrlAddress(event.target.value)}
           />
         </div>
-        <button type="submit">Create</button>
+        <button type="submit" className='createButton'>Create</button>
       </form>
     </div>
   )