Testing React Applications [13 May 2018, ENG] torrent

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Testing React Applications

Год выпуска: 13 May 2018
Производитель: frontendmasters.com
Сайт производителя: https://frontendmasters.com/courses/testing-react/
Автор: Kent C. Dodds
Продолжительность: 4 hours, 11 min
Тип раздаваемого материала: Видеоклипы
Язык: Английский
Описание: Learn to catch errors before they reach the end user with automated tests! Write maintainable tests for your React applications using the popular Jest testing framework. You'll also see how much of your code is covered in tests, test your React components with the react-testing library and write end-to-end tests with Cypress and the cypress-testing library. Join Kent and learn how to test your code in-depth. This course is for developers who want to gain confidence in shipping bug-free React applications to production!
Course Code (Github) - https://github.com/kentcdodds/testing-workshop/tree/fem

Другие курсы этого автора - https://rutracker.org/forum/search_cse.php?q=Kent+C+Dodds
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Table of Contents
Introduction

Course Overview
00:00:00 - 00:08:17
Course Overview
Kent C. Dodds introduces the course by reviewing the agenda, which includes using Jest and Cypress. - https://github.com/kentcdodds/testing-workshop/tree/fem - https://facebook.github.io/jest/ - https://www.cypress.io/
Testing Fundamentals
00:08:18 - 00:13:42
Testing Fundamentals
Kent discusses what a test is and reviews the different types of testing.
Writing a React Test & Exercise
00:13:43 - 00:16:24
Writing a React Test & Exercise
Kent introduces a simple React component test and exercise.
Writing a React Test Solution
00:16:25 - 00:25:29
Writing a React Test Solution
Kent walks through the solution to the simple react component test and discusses the considerations when testing a React component. Kent takes questions from students. - https://facebook.github.io/jest/docs/en/expect.html

Test Configurations

Configuring Jest & Babel
00:25:30 - 00:35:04
Configuring Jest & Babel
After installing Jest and adding a test script, Kent makes the Babel configuration dynamic to transpile modules for the test.
Jest JSDOM
00:35:05 - 00:37:21
Jest JSDOM
Kent shows that JSDOM is loaded by default in Jest. If not needed, the test environment can be configured to be Node instead.
CSS Imports
00:37:22 - 00:48:10
CSS Imports
If webpack loaders exist, Kent shows how to configure Jest to be able to load CSS files. Kent takes questions from students.
CSS Modules
00:48:11 - 00:51:57
CSS Modules
Kent shows how to use identity-obj-proxy to simulate CSS Module imports with Jest.
Handling Dynamic Imports
00:51:58 - 00:55:45
Handling Dynamic Imports
Kent installs a babel plugin to transform dynamic imports to something that can be run in Node that Jest understands.
Adding Code Coverage Reports
00:55:46 - 01:02:25
Adding Code Coverage Reports
After adding code coverage reporting with --coverage flag, Kent shows how to fine-tune coverage reporting only to include files desired and to set a threshold to acceptable levels of coverage.
Jest Watch Mode
01:02:26 - 01:07:37
Jest Watch Mode
When configuring Jest watch mode, which allows runs tests related to only the files that have changed, Kent shows that watch mode also allows the running of all the tests matching a specific pattern by the file name or the test name. Kent takes questions from students.
Jest Config Review
01:07:38 - 01:14:35
Jest Config Review
Kent discusses the steps that occurred to configure Jest for a standard React application. Kent takes questions from students.

Unit Testing React Components

Course Project Overview
01:14:36 - 01:15:53
Course Project Overview
Kent walks through the files to get set up for testing React components.
Unit Testing a React Component
01:15:54 - 01:32:07
Unit Testing a React Component
Kent reviews unit testing a simple React form using raw DOM and React APIs. - https://blog.kentcdodds.com/but-really-what-is-a-javascript-mock-10d060966f7d
Test a Form Component Exercise
01:32:08 - 01:35:36
Test a Form Component Exercise
Kent introduces the exercise to for testing a simple React form.
Test a Form Component Solution
01:35:37 - 01:43:01
Test a Form Component Solution
Kent walks through solution to the Test Form Component Exercise for testing for the simple React form login component. Kent takes questions from students.
Enzyme Limitations
01:43:02 - 01:57:02
Enzyme Limitations
Kent discusses the limitations of Enzyme, the JavaScript testing utility for React, and shallow rendering. Kent takes questions from students. - https://github.com/airbnb/enzyme - http://airbnb.io/enzyme/docs/api/shallow.html - https://github.com/kentcdodds/dom-testing-library
react-testing-library
01:57:03 - 02:11:37
react-testing-library
Kent gives an overview of the philosophy and API of react-testing-library. Kent takes questions from students. - https://github.com/kentcdodds/react-testing-library - https://www.npmjs.com/package/babel-plugin-react-remove-properties
react-testing-library Exercise
02:11:38 - 02:14:15
react-testing-library Exercise
In this exercise, students use react-testing-library to render and simulate top-level methods and getByText and getByLabelText test selector methods.
react-testing-library Solution
02:14:16 - 02:28:17
react-testing-library Solution
Kent walks through the solution to the react-testing-library Exercise. Kent takes questions from students.
Using DOM Events Exercise
02:28:18 - 02:28:58
Using DOM Events Exercise
In this exercise, students use react-testing-library to render our React component into the document to use real events rather than simulated events in our tests.
Using DOM Events Solution
02:28:59 - 02:32:31
Using DOM Events Solution
Kent walks through the solution to Using Dom Events Exercise.
Component Testing Q&A
02:32:32 - 02:38:19
Component Testing Q&A
Kent answers questions from students about testing with setTimeout, checking state of components, broad vs. specific unit tests, and more.

Snapshot Testing

Introducing Snapshot Testing
02:38:20 - 02:48:44
Introducing Snapshot Testing
Kent introduces snapshot testing, which easily compares values of anything over time and keeps the tests updated. Kent takes questions from students. - https://github.com/kentcdodds/import-all.macro
Snapshot Testing Exercise
02:48:45 - 02:50:58
Snapshot Testing Exercise
In this exercise, students set up for snapshot serializers to include CSS in the snapshot.
Snapshot Testing Solution
02:50:59 - 02:53:36
Snapshot Testing Solution
Kent walks through the solution for Snapshot Testing Exercise.
Snapshot Q&A
02:53:37 - 03:07:17
Snapshot Q&A
Kent takes questions about snapshot testing regarding what parts of the code are responsible for generating the snapshots, making sure tests are providing value, resetting snapshots, and more. Then Kent reviews how to write useful snapshot tests. - https://blog.kentcdodds.com/effective-snapshot-testing-e0d1a2c28eca

Integration Testing Pages

Integration Tests Demo
03:07:18 - 03:11:32
Integration Tests Demo
Kent reviews the course integration test demonstration for a registration form.
Integration Tests Exercise
03:11:33 - 03:19:10
Integration Tests Exercise
After reviewing utility file for testing applications, Kent demonstrates setting up an integration test. In this exercise, students work on creating the login test.
Integration Tests Solution
03:19:11 - 03:27:06
Integration Tests Solution
Kent walks through the solution for the Integration Tests Exercise. Kent answers questions from students.
Integration Testing Q&A
03:27:07 - 03:29:36
Integration Testing Q&A
Kent answers questions from students about component testing and the ESLint plugin for Jest. - https://www.npmjs.com/package/eslint-plugin-jest

Configuring Cypress

Cypress
03:29:37 - 03:44:36
Cypress
After reviewing steps to configure and using Cypress, Kent shows how to automate the testing.
Cypress Q&A
03:44:37 - 03:47:59
Cypress Q&A
Kent takes questions from students about installing extensions with Cypress and cross-browser support of Cypress.
Configuring Cypress Exercise
03:48:00 - 03:58:35
Configuring Cypress Exercise
In this exercise, students set up Cypress testing on the login form.
Configuring Cypress Solution
03:58:36 - 04:05:57
Configuring Cypress Solution
Kent walks through the solution to the Configuring Cypress Exercise. Then Kent answers students' questions.

Wrapping Up

Testing Trophy
04:05:58 - 04:11:21
Testing Trophy
After discussing the Testing Trophy, which is a new model that covers the different kinds of automated test to create a balanced approach, Kent wraps up the Testing React Applications course. - https://twitter.com/kentcdodds/status/960723172591992832?lang=en
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Файлы примеров: присутствуют
Формат видео: MP4
Видео: H264, 1920x1080, 16:9, 23.98 fps, avg 800 kb/s
Аудио: AAC, 48kHz, 127, stereo
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