jtwjs Dev Wiki
  • DEV_ROAD
    • ๐Ÿ’ช๐Ÿป ์ƒ์กดํ•˜๊ธฐ
    • Week 1
      • ๊ฐœ๋ฐœ ํ™˜๊ฒฝ ์„ธํŒ…
      • ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ
      • ๋ฆฌ์—‘ํŠธ
      • Testing Library
      • Parcel & ESLint
    • Week 2
      • JSX
      • Virtual DOM
    • Week 3
      • React Component
      • React State
    • Week 4
      • Express
      • Fetch API & CORS
      • React Hook
      • useRef & Custom Hook
    • Week 5
      • TDD
      • React Testing Library
      • MSW
      • Playwrite
      • Snapshot
    • Week 6
      • Separtion of Concerns
      • Principle
      • DI, (Dependency Injection)
      • Reflect-metadata
      • TSyringe
      • External Store
      • Follow Redux
      • usestore-ts
      • useSyncExternalStore
    • Week 7
      • Routing
      • Routes
      • Router
      • Navigation
    • Week 8
      • Design System
      • Style Basics
      • CSS-in-JS
      • Styled-Components
      • Global Style & Theme
    • Week 9
      • ๊ฐœ๋ฐœํ•˜๊ธฐ ์ „ ์ค€๋น„
      • ์ƒํ’ˆ ๋ชฉ๋ก ํŽ˜์ด์ง€
      • ์ƒํ’ˆ ์ƒ์„ธ ํŽ˜์ด์ง€
      • ์žฅ๋ฐ”๊ตฌ๋‹ˆ ํŽ˜์ด์ง€
    • Week 10
      • ๋กœ๊ทธ์ธ
      • ๋กœ๊ทธ์•„์›ƒ
      • ํšŒ์›๊ฐ€์ž…
      • ์ฃผ๋ฌธ ๋ชฉ๋ก & ์ฃผ๋ฌธ ์ƒ์„ธ
    • Week 11
      • ๋ฐฐ์†ก ์ •๋ณด ์ž…๋ ฅ
      • ํฌํŠธ์› ๊ฒฐ์ œ ์š”์ฒญ
      • ๋ฐฐ์†ก ๋ฐ ๊ฒฐ์ œ ์ •๋ณด ์ „๋‹ฌ
    • Week 12
      • ๊ด€๋ฆฌ์ž ์›น์‚ฌ์ดํŠธ๊ฐœ๋ฐœ์‹œ์ž‘
  • DEV_NOTE
    • TypeScript
      • ๊ธฐ๋ณธ์  ๋ฌธ๋ฒ•
        • Enum
        • ๋‹คํ˜•์„ฑ
          • Untitled
        • ๊ตฌ์กฐ์  ํƒ€์ดํ•‘
        • ์ œ๋„ˆ๋ฆญ ํƒ€์ž…
        • ์ปจ๋””์…”๋„ ํƒ€์ž…
        • ํ•จ์ˆ˜ ๋ฉ”์„œ๋“œ ํƒ€์ดํ•‘
        • infer๋กœ ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ์˜ ์ถ”๋ก  ์ง์ ‘ ํ™œ์šฉ
        • ์žฌ๊ท€ ํƒ€์ž…
        • ํ…œํ”Œ๋ฆฟ ๋ฆฌํ„ฐ๋Ÿด ํƒ€์ž…
        • ์ถ”๊ฐ€์ ์ธ ํƒ€์ž… ๊ฒ€์‚ฌ satisfies ์—ฐ์‚ฐ์ž
        • ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ ๊ฑด๋ง์ฆ
        • ์›์‹œ ์ž๋ฃŒํ˜•์—๋„ ๋ธŒ๋žœ๋”ฉ ๊ธฐ๋ฒ• ์‚ฌ์šฉ ๊ฐ€๋Šฅ
        • ํƒ€์ž… ์ขํžˆ๊ธฐ
        • ์œ ์šฉํ•œ ํƒ€์ž… ๋งŒ๋“ค๊ธฐ
        • ๋ฐ์ฝ”๋ ˆ์ดํ„ฐ ํ•จ์ˆ˜
        • ์•ฐ๋น„์–ธํŠธ ์„ ์–ธ๋„ ์„ ์–ธ ๋ณ‘ํ•ฉ์ด ๋œ๋‹ค.
        • ์•ฐ๋น„์–ธํŠธ ์„ ์–ธ๋„ ์„ ์–ธ๋ณ‘ํ•ฉ์ด ๋œ๋‹ค.
    • Testing
      • Unit Testing
      • ๋‹จ์œ„ ํ…Œ์ŠคํŠธ์˜ ๋‘ ๋ถ„ํŒŒ
      • ์ข‹์€ ๋‹จ์œ„ ํ…Œ์ŠคํŠธ๋ฅผ ๊ตฌ์„ฑํ•˜๋Š” 4๋Œ€ ์š”์†Œ
      • ํ…Œ์ŠคํŠธ ๋Œ€์—ญ๊ณผ ์‹๋ณ„ํ•  ์ˆ˜ ์žˆ๋Š” ๋™์ž‘
      • ๋‹จ์œ„ ํ…Œ์ŠคํŠธ ์Šคํƒ€์ผ
      • ๊ฐ€์น˜ ์žˆ๋Š” ๋‹จ์œ„ ํ…Œ์ŠคํŠธ๋ฅผ ์œ„ํ•œ ๋ฆฌํŒฉํ† ๋ง
      • ํ†ตํ•ฉ ํ…Œ์ŠคํŠธ
      • Cross Browsing Testing
      • ๊ธฐ๋Šฅ ํ…Œ์ŠคํŠธ ์ข…๋ฅ˜
      • React Testing Pattern
      • ํ”„๋ก ํŠธ์—”๋“œ ํ…Œ์ŠคํŠธ ์ž…๋ฌธ
        • ํ…Œ์ŠคํŠธ ๋ฒ”์œ„
        • ๋‹จ์œ„ ํ…Œ์ŠคํŠธ ๊ฒ€์ฆ
        • Mock
        • UI ์ปดํฌ๋„ŒํŠธ ํ…Œ์ŠคํŠธ
        • ํ…Œ์ŠคํŠธ ์ปค๋ฒ„๋ฆฌ์ง€
        • ์›น ํ†ตํ•ฉ ํ…Œ์ŠคํŠธ
        • MSW
        • ์Šคํ† ๋ฆฌ๋ถ
        • ์‹œ๊ฐ์  ํšŒ๊ท€ ํ…Œ์ŠคํŠธ
        • E2E ํ…Œ์ŠคํŠธ
        • Github Actions ์„ค์ •
        • ๊นƒํ—ˆ๋ธŒ ์•ก์…˜์—์„œ E2E
      • ์‹œํ”„ํŠธ ๋ ˆํ”„ํŠธ
        • ํ…Œ์ŠคํŠธ ๊ธฐ๋ณธ์ค‘์˜ ๊ธฐ๋ณธ
        • ๋‹จ์œ„ ํ…Œ์ŠคํŠธ
        • ์ฝ”๋“œ ๋ณต์žก๋„
        • ๋ฆฌํŒฉํ„ฐ๋ง
        • ์ฝ”๋“œ ๋ฆฌ๋ทฐ
        • ํ†ตํ•ฉ ํ…Œ์ŠคํŠธ ํŒจํ„ด
        • ์‹œ์Šคํ…œ ํ…Œ์ŠคํŠธ์˜ ์ž๋™ํ™”
        • ํƒ์ƒ‰์  ํ…Œ์ŠคํŠธ
      • Test Tip
      • vitest
      • playwright
      • Test Data Generator
      • MSW
    • Algorithm
      • coding test
      • Data Structure
    • Next.js
      • Data Fetching
      • Hydration
      • Next 13
      • Optimization
      • Next 15
    • Tailwind
      • Tailwind CSS
      • Theme
      • Directives
      • Tool
      • Design System
    • Storybook
      • Storybook
      • CSF3
      • CDD
      • Headless Component
    • Funtional Programming
      • ํ•จ์ˆ˜ํ˜• ํ”„๋กœ๊ทธ๋ž˜๋ฐ
      • ์ฐธ์กฐ ํˆฌ๋ช…์„ฑ
      • ๋ถ€์ˆ˜ํšจ๊ณผ
      • ํ•จ์ˆ˜ ํ•ฉ์„ฑ
      • ์ œ๋„ˆ๋ฆญ ํƒ€์ž… ํ™œ์šฉํ•˜๊ธฐ
      • ์•”๋ฌต์  ์ž…์ถœ๋ ฅ
      • ์•ก์…˜๊ณผ ๊ณ„์‚ฐ, ๋ฐ์ดํ„ฐ
      • ๊ณ„์ธตํ˜• ์„ค๊ณ„
      • ํ˜ธ์ถœ ๊ทธ๋ž˜ํ”„
      • ํ•จ์ˆ˜ํ˜• ์„ค๊ณ„
      • ๋ถˆ๋ณ€์„ฑ
      • ์ผ๊ธ‰ ํ•จ์ˆ˜
      • ํ•จ์ˆ˜ํ˜• ๋„๊ตฌ
    • Git
      • Github Actions
      • Conflict
      • Branch ์ „๋žต
    • Contents Format
      • Audio
    • 3D Graphic
      • 3D keyword
      • Three.js
      • Geometry
      • Material
      • Light
      • Camera
      • Decal
      • Rotation
      • Text
      • Shadow
      • Fog
      • Post Processing
      • Animation
      • Math
        • Vector Space
        • ๋ฒกํ„ฐ์˜ ์—ฐ์‚ฐ
        • ํšŒ์ „ ๊ณ„์‚ฐ
      • 3D ์ปจํ…์ธ ๊ฐ€ ๋งŒ๋“ค์–ด์ง€๋Š” ๊ณผ์ •
      • R3F
      • Env
      • Scene
      • Transform
      • R3F
      • Interaction & Raycast
      • Rendering Algorithnm
      • Blender
      • Blender
    • Accessibility
      • ์ ‘๊ทผ์„ฑ์ด๋ž€
    • Interactive Web
      • Parallax
      • Canvas
      • requestAnimationFrame
      • Effect
      • HSL
      • React.js + Canvas
      • Matter.js
    • AWS
      • DevOps
      • Amplify
      • S3
      • ํด๋ผ์šฐ๋“œ ์ปดํ“จํŒ…
        • ์˜จํ”„๋ ˆ๋ฏธ์Šค์™€ ํด๋ผ์šฐ๋“œ
        • ํด๋ผ์šฐ๋“œ ๋„์ž…ํšจ๊ณผ
        • ํด๋ผ์šฐ๋“œ ์ปดํ“จํŒ…์˜ ๋ฒ”์œ„
        • ์ปดํ“จํŒ… ์˜ต์…˜
          • EC2 - Virtual Machin
          • ECS, EKS - Container
          • Lambda - Serverless
        • ๋„คํŠธ์›Œํฌ ๊ฐ€์ƒํ™”
        • ์Šคํ† ๋ฆฌ์ง€
        • ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค
        • ๋ฐ์ดํ„ฐ ์ˆ˜์ง‘
        • ๋จธ์‹  ๋Ÿฌ๋‹ ์˜์—ญ
        • IoT ์˜์—ญ
        • ๋ธ”๋ก์ฒด์ธ ์˜์—ญ
      • ํด๋ผ์šฐ๋“œ ์•„ํ‚คํ…์ฒ˜ ์„ค๊ณ„
    • Network
      • Web Server & WAS
    • System Design
      • System Design
      • Component
      • ์˜์กด์„ฑ์„ ๋ฐฐ์ œํ•œ ๊ฐœ๋ฐœ
      • Error Handling
      • Architecture
        • ๋ชจ๋…ธ๋กœํ‹ฑ ์•„ํ‚คํ…์ฒ˜
        • Clean Architecture
        • Layered Architecture
        • ์ด๋ฒคํŠธ ๊ธฐ๋ฐ˜ ์•„ํ‚คํ…์ฒ˜
      • ์ƒํ™ฉ์„ ํŒŒ์•…ํ•˜๋Š” ๋ฉ”ํƒ€์ธ์ง€
      • ์ค‘๋ณต ๋ฌธ์ œ ํ•ด๊ฒฐํ•˜๊ธฐ
      • Monorepo Arhitecture
        • ๋ชจ๋…ธ๋ ˆํฌ ์šด์˜๊ณผ ํŠธ๋Ÿฌ๋ธ”์ŠˆํŒ…
        • Module Federation
      • ์ฝ”๋“œ ๋ณ‘๋ชฉ์ง€์ 
      • API ๋Œ€์‘
      • ๊ณตํ†ต ์ฝ”๋“œ
      • Infra ๊ตฌ์ถ•
      • ๋ชจ๋“ˆ ๊ธฐ๋ฐ˜์˜ ๊ฐœ๋ฐœ ๋ฐฉ์‹
      • Design System
        • ์ตœ์†Œ ์ˆ˜์ค€์˜ ์•„ํ‚คํ…์ฒ˜ ์„ค์ •
        • ๋” ํšจ์œจ์ ์ธ ๋””์ž์ธ์‹œ์Šคํ…œ ๋งŒ๋“ค๊ธฐ
        • ๋””์ž์ธ ์‹œ์Šคํ…œ๊ณผ UI ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ๋ชฉ์ 
        • ๋””์ž์ธ ํ† ํฐ
      • ํšจ์œจ์ ์ธ ์—…๋ฌด
        • ์—…๋ฌด ํ”„๋กœ์„ธ์Šค ๋ณ‘๋ชฉ ํŒŒ์•…
      • Clean Code
      • Design Pattern
        • CQRS Pattern
        • Strangler Fig Pattern
        • ๋ฐ์ฝ”๋ ˆ์ดํ„ฐ ํŒจํ„ด
        • ์ปค๋งจ๋“œ ํŒจํ„ด
        • ์ „๋žต ํŒจํ„ด
        • ์˜ต์ €๋ฒ„ ํŒจํ„ด
      • A/B ํ…Œ์ŠคํŒ…
      • ๋Œ€๊ทœ๋ชจ ๋ฆฌ์—‘ํŠธ ์›น์•ฑ ๊ฐœ๋ฐœ
        • ๋ณต์žก์„ฑ ๊ด€๋ฆฌ
        • ๋ชจ๋“ˆ์„ฑ
        • ์„ฑ๋Šฅ
        • ๋””์ž์ธ ์‹œ์Šคํ…œ
        • ๋ฐ์ดํ„ฐ ํŒจ์นญ
        • ์ƒํƒœ ๊ด€๋ฆฌ
        • ๊ตญ์ œํ™”
        • ์ฝ”๋“œ ์กฐ์งํ™”ํ•˜๊ธฐ
        • ๊ฐœ์ธํ™” A/B ํ…Œ์ŠคํŒ…
        • ํ™•์žฅ ๊ฐ€๋Šฅํ•œ ์›น ์•„ํ‚คํ…์ฒ˜
        • ํ…Œ์ŠคํŒ…
        • ํˆด๋ง
        • ๊ธฐ์ˆ ์  ๋งˆ์ด๊ทธ๋ ˆ์ด์…˜
        • ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ
        • ๋ผ์šฐํŒ…
        • ์‚ฌ์šฉ์ž ์ค‘์‹ฌ API ๋””์ž์ธ
        • ๋ฆฌ์•กํŠธ ๋ฏธ๋ž˜
    • Performance
      • React DevTools
      • Component ์ตœ์ ํ™”
      • Page Load
      • API
    • MFA
      • MSA
      • MFA ๋„์ž…ํ•˜๊ธฐ
      • Monorepo
        • Monorepo Tool
        • Yarn Berry Workspace
        • Turborepo
      • MFA Composition
      • SPA ํ†ตํ•ฉ
      • Design System
      • Package Manager
        • Yarn
        • pnpm
      • Transpiler & Bundler
        • Babel
        • Rollup
        • esbuild
        • swc
        • Webpack
        • Vite
      • ๋ถ„ํ•ด์™€ ํ†ตํ•ฉ์„ ์œ„ํ•œ ์—ฌ๋Ÿฌ ๊ธฐ์ˆ  ๋น„๊ต
    • State Management
      • Zustand
    • React v18
      • Automatic batching
      • Suspense
      • Transition
    • SEO
      • Search Engine Optimization
      • Open Graph Element
      • Metadata
    • FE Develop
      • Scrubbing
      • Clipboard
    • Refactoring
      • ๋ฆฌํŒฉํ† ๋ง ๊นŠ๊ฒŒ ๋“ค์—ฌ๋‹ค๋ณด๊ธฐ
      • ๊ธด ์ฝ”๋“œ ์กฐ๊ฐ๋‚ด๊ธฐ
      • ํƒ€์ž… ์ฝ”๋“œ ์ฒ˜๋ฆฌํ•˜๊ธฐ
      • ์œ ์‚ฌํ•œ ์ฝ”๋“œ ์œตํ•ฉํ•˜๊ธฐ
      • ๋ฐ์ดํ„ฐ ๋ณดํ˜ธ
      • ์ฝ”๋“œ ์ถ”๊ฐ€ ๋ฐ ์ œ๊ฑฐ
    • OAuth 2.0
    • Analytics
      • Mixpanel
    • ETC
      • VSCode
    • React Hook In Action
      • useContext & Provider
      • ์ปค์Šคํ…€ ํ›…
      • ์ฝ”๋“œ ๋ถ„ํ• ํ•˜๊ธฐ with Suspense, lazy
      • Suspense์™€ ์ด๋ฏธ์ง€ ์ ์žฌํ•˜๊ธฐ
      • useTransition, uesDeferredValue
      • SuspenseList
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On this page
  • E2E(End to End) Test
  • E2E Test ํŠน์ง•
  • E2E Test Framework
  • Cypress
  • Headless Chrome
  • Puppeteer
  • CodeceptJS
  • Playwright
  • ํ™˜๊ฒฝ์„ค์ •
  • ํ…Œ์ŠคํŠธ ์ฝ”๋“œ ์˜ˆ์‹œ
  1. DEV_ROAD
  2. Week 5

Playwrite

E2E(End to End) Test

์‹ค์ œ ์‚ฌ์šฉ์ž๊ฐ€ ์‚ฌ์šฉํ•˜๋Š” ๋ธŒ๋ผ์šฐ์ € ํ™˜๊ฒฝ์—์„œ ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ์ „์ฒด๋ฅผ ๋™์ž‘ํ•ด์„œ ๊ธฐ๋Šฅ์„ ํ™•์ธํ•˜๋Š” ํ…Œ์ŠคํŠธ

์ฆ‰, ์‚ฌ์šฉ์ž๊ฐ€ ์‹ค์ œ๋กœ ์†Œํ”„ํŠธ์›จ์–ด๋ฅผ ์‚ฌ์šฉํ–ˆ์„๋•Œ ํ”Œ๋กœ์šฐ๋ฅผ ํ…Œ์ŠคํŠธํ•˜๋Š” ๊ฒƒ

E2E Test ํŠน์ง•

  • ์‹ค์ œ ์‚ฌ์šฉ์ž ํ™˜๊ฒฝ์—์„œ ํ…Œ์ŠคํŠธํ•˜๋ฏ€๋กœ ์‚ฌ์šฉ์ž์˜ ์ž…์žฅ์—์„œ์˜ ๊ฒฝํ—˜์„ ์ง์ ‘์ ์œผ๋กœ ํ…Œ์ŠคํŠธํ•  ์ˆ˜ ์žˆ๋‹ค.

  • ์ „์ฒด ์‹œ์Šคํ…œ์„ ๋Œ€์ƒ์œผ๋กœ ํ…Œ์ŠคํŠธ๋ฅผ ์ˆ˜ํ–‰ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ๊ฐ๊ฐ์˜ ๋ชจ๋“ˆ์ด๋‚˜ ์ปดํฌ๋„ŒํŠธ๊ฐ€ ํ•จ๊ป˜ ์ž‘๋™ํ•  ๋•Œ ๋ฐœ์ƒํ•˜๋Š” ๋ฌธ์ œ์ ๋“ค์„ ํŒŒ์•… ๊ฐ€๋Šฅ

  • ์™ธ๋ถ€ ํ™˜๊ฒฝ์ด๋‚˜ ๋„คํŠธ์›Œํฌ๋ฅผ ์ด์šฉํ•œ๋‹ค๋ฉด ์กฐ๊ธˆ ๋ถˆ์•ˆ์ • ํ•  ์ˆ˜ ์žˆ๋‹ค.

E2E Test Framework

Cypress

npm i -D cypress
npx cypress open

Cypress์˜ ์˜ˆ์ œ ์ฝ”๋“œ๋ฅผ ์‚ดํŽด๋ณด๋ฉด UI ์š”์†Œ๋ฅผ ๊ฐ€์ ธ์˜ฌ ๋•Œ ๋‚ด๋ถ€ ๊ตฌํ˜„ ์‚ฌํ•ญ (์˜ˆ: class)์— ์˜์กดํ•˜๊ณ  ์žˆ๋‹ค.

testing-library๋Š” Cypress๋„ ์ง€์›ํ•˜๋ฏ€๋กœ ํ•จ๊ป˜ ์‚ฌ์šฉํ•˜๋ฉด UI ์š”์†Œ๋ฅผ ์‚ฌ์šฉ์ž ๊ด€์ ์—์„œ ๊ฐ€์ ธ์˜ฌ ์ˆ˜ ์žˆ๋‹ค

npm i -D @testing-library/cypress

E2E ํ…Œ์ŠคํŠธ์—์„œ๋„ ๋งˆ์ฐฌ๊ฐ€์ง€๋กœ, ๋„คํŠธ์›Œํฌ ๊ด€๋ จ ์˜์กด์„ฑ๋“ค์€ Mock ๋ฐ์ดํ„ฐ๋ฅผ ํ™œ์šฉํ•˜์—ฌ ํ…Œ์ŠคํŠธ๋ฅผ ์ง„ํ–‰ํ•œ๋‹ค.

์ด๋Š” ์‚ฌ์šฉ์ž์˜ ์‹ค์ œ ํ™˜๊ฒฝ๊ณผ ์œ ์‚ฌํ•œ ํ™˜๊ฒฝ์—์„œ ํ…Œ์ŠคํŠธ๋ฅผ ์ˆ˜ํ–‰ํ•˜๋”๋ผ๋„ ์™ธ๋ถ€ ์˜์กด์„ฑ์— ์˜ํ•ด ํ…Œ์ŠคํŠธ๊ฐ€ ์‹คํŒจํ•˜๋Š” ๊ฒƒ์„ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•จ์ด๋‹ค.

import '@testing-library/cypress/add-commands'

describe('App', () => {
  beforeEach(() => {
    cy.intercept('GET', '/restaurants', {
      fixture: 'restaurants.json', 
    })
    
    cy.visit('http://localhost:3001/');
  })

  it('display text search in the header', () => {
    cy.findByText(/search/).should('exist');
  })
})

Headless Chrome

Headless ์ƒํƒœ์—์„œ๋„ ํฌ๋กฌ ๋ธŒ๋ผ์šฐ์ €๋ฅผ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐฉ๋ฒ•, ํฌ๋กฌ์—†์ด ํฌ๋กฌ์„ ์‹คํ–‰ํ•˜๋Š” ๊ฒƒ์ด๋ผ๊ณ  ์„ค๋ช…ํ•˜๋Š”๋ฐ ํฌ๋กค๋ง์„ ํ•˜๊ฑฐ๋‚˜ E2E ํ…Œ์ŠคํŠธํ•  ๋•Œ ์œ ์šฉํ•˜๋‹ค๊ณ  ํ•œ๋‹ค.

Chrome ๋ธŒ๋ผ์šฐ์ €์˜ ๊ธฐ๋Šฅ์„ ๊ทธ๋Œ€๋กœ ๊ฐ€์ง€๊ณ  ์žˆ์ง€๋งŒ, ์‹ค์ œ๋กœ ํ™”๋ฉด์„ ๊ทธ๋ฆฌ์ง€ ์•Š๊ณ  ๋‚ด๋ถ€์ ์œผ๋กœ๋งŒ ์‹คํ–‰๋˜๋Š” ๋ชจ๋“œ ์ฆ‰, GUI -> CLI

headless๋ž€?

Headless๋Š” ์ผ๋ฐ˜์ ์œผ๋กœ ์‚ฌ์šฉ์ž ์ธํ„ฐํŽ˜์ด์Šค (UI)๊ฐ€ ์—†๋Š” ์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์„ ์˜๋ฏธ

"์›น ๊ฐœ๋ฐœ์—์„œ๋Š” ๋ธŒ๋ผ์šฐ์ €์— UI๋ฅผ ๋ Œ๋”ํ•˜์ง€ ์•Š๊ณ  ํƒ์ƒ‰ํ•˜๋Š”๋ธŒ๋ผ์šฐ์ € ๋ชจ๋“œ๋ฅผ ์˜๋ฏธํ•˜๊ธฐ๋„ ํ•œ๋‹ค. ์ด ๋ชจ๋“œ์—์„œ๋Š” ์›น ์‚ฌ์ดํŠธ๋ฅผ ๋ธŒ๋ผ์šฐ์ € ์ฐฝ์ด๋‚˜ ํƒญ ์—†์ด ๋ฐฑ๊ทธ๋ผ์šด๋“œ์—์„œ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ์œผ๋ฉฐ, ๋Œ€๊ฐœ ์ž๋™ํ™”๋œ ์›น ํ…Œ์ŠคํŠธ๋‚˜ ์›น ์Šคํฌ๋ž˜ํ•‘ ์ž‘์—… ๋“ฑ์—์„œ ์‚ฌ์šฉ๋œ๋‹ค"

  • ์ผ๋ฐ˜์ ์œผ๋กœ headless๋กœ ๋™์ž‘ํ•˜๋ฉด ํ™”๋ฉด์— UI๋ฅผ ๋ Œ๋”๋งํ•˜์ง€ ์•Š์œผ๋ฏ€๋กœ ํ…Œ์ŠคํŠธ ์‹คํ–‰์†๋„๊ฐ€ ๋” ๋น ๋ฅด๋‹ค.

  • CI/CD ํŒŒ์ดํ”„๋ผ์ธ์—์„œ ์ž๋™ํ™”๋œ ํ…Œ์ŠคํŠธ๋ฅผ ์ˆ˜ํ–‰ํ•  ๋•Œ ์œ ์šฉํ•˜๋‹ค.

Puppeteer

Google์—์„œ ๊ฐœ๋ฐœํ•œ Node.js์šฉ Headless Chrome ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ

Puppeteer๋Š” Headless Chrome์„ ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ๋กœ ์ œ์–ดํ•˜์—ฌ ์›น ํฌ๋กค๋ง, ์Šคํฌ๋ฆฐ์ƒท, E2E ํ…Œ์ŠคํŠธ ๋“ฑ ๋‹ค์–‘ํ•œ ์ž‘์—…์„ ์ž๋™ํ™”ํ•  ์ˆ˜ ์žˆ๋‹ค.

Chrome DevTools Protocol์„ ์‚ฌ์šฉํ•˜์—ฌ Chrome ๋ธŒ๋ผ์šฐ์ €์˜ ์ธ์Šคํ„ด์Šค๋ฅผ ์ œ์–ดํ•˜๋ฉฐ, ์ด๋ฅผ ํ†ตํ•ด Chrome ๋ธŒ๋ผ์šฐ์ €์˜ ๋ชจ๋“  ๊ธฐ๋Šฅ์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.

E2E ํ…Œ์ŠคํŠธ ๋„๊ตฌ๋กœ ๋ณด๋‹ค ๊ฐ„๋‹จํ•˜๊ณ  ํ…Œ์ŠคํŠธ ์ฝ”๋“œ ์ž‘์„ฑ์„ ๋น„๊ฐœ๋ฐœ์ž๋„ ์‰ฝ๊ฒŒ ์ดํ•ดํ•  ์ˆ˜ ์žˆ๋„๋ก ์ง๊ด€์ ์ธ API๋ฅผ ์ œ๊ณตํ•œ๋‹ค.

์žฅ์ 

  • ๊ฐ€๋…์„ฑ์ด ๋†’์€ DSL(Domain Specific Language)์„ ์ œ๊ณตํ•˜์—ฌ ํ…Œ์ŠคํŠธ ์ฝ”๋“œ ์ž‘์„ฑ์ด ์šฉ์ดํ•จ

  • Selenium, Puppeteer, Playwright ๋“ฑ, ๋‹ค์–‘ํ•œ ๋“œ๋ผ์ด๋ฒ„๋ฅผ ์ œ๊ณตํ•˜์—ฌ ๋‹ค๋ฅธ ๋„๊ตฌ๋กœ ์ž‘์„ฑ๋œ ํ…Œ์ŠคํŠธ ์ฝ”๋“œ๋ฅผ CodeceptJS ๋กœ ๋ณ€ํ™˜์ด ๊ฐ€๋Šฅํ•˜๋‹ค.

Getting Started

npx create-codeceptjs .

ํ•ด๋‹น ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ•˜๋ฉด package.json ์ŠคํŽ˜์ด์Šค๊ฐ€ 4์นธ์œผ๋กœ ๋ฐ”๋€Œ๊ฒŒ ๋œ๋‹ค. ์•„๋ž˜ ๋ช…๋ น์–ด๋ฅผ ํ†ตํ•ด ๋ณต๊ตฌ!

sed "s/    /  /g" package.json > package.json.tmp
rm package.json
mv package.json.tmp package.json

package.json ์— script๊ฐ€ ์ž๋™์œผ๋กœ ์ถ”๊ฐ€๋œ๋‹ค.

"scripts": {
  // ์›น ๋ธŒ๋ผ์šฐ์ €๋ฅผ ํ™”๋ฉด์— ๋„์›Œ ํ…Œ์ŠคํŠธ๋ฅผ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค. --steps: ๊ฐ ๋‹จ๊ณ„์˜ ์‹คํ–‰ ๊ฒฐ๊ณผ๊ฐ€ ์ž์„ธํžˆ ํ‘œ์‹œ
  "codeceptjs": "codeceptjs run --steps",
  // ์›น ๋ธŒ๋ผ์šฐ์ €๋ฅผ ํ™”๋ฉด์— ๋„์šฐ์ง€ ์•Š๊ณ  ํ…Œ์ŠคํŠธ๋ฅผ ์‹คํ–‰
  "codeceptjs:headless": "HEADLESS=true codeceptjs run --steps",
  // ์›น ๋ธŒ๋ผ์šฐ์ €์— CodeceptUI๋ฅผ ๋„์›Œ ํ›จ์”ฌ ํŽธํ•˜๊ฒŒ ํ…Œ์ŠคํŠธ๋ฅผ ์‹คํ–‰ํ•ฉ๋‹ˆ๋‹ค.
  "codeceptjs:ui": "codecept-ui --app",
  // demo๋Š” ๊ธฐ๋Šฅ๊ณผ ์‚ฌ์šฉ๋ฒ•์„ ์ตํžˆ๊ธฐ ์œ„ํ•ด codeceptjs๊ฐ€ ์ œ๊ณตํ•˜๋Š” ์ƒ˜ํ”Œ ์‹œ๋‚˜๋ฆฌ์˜ค๋ฅผ ์‹คํ–‰ํ•˜๋Š”๊ฒƒ
  "codeceptjs:demo": "codeceptjs run --steps -c node_modules/@codeceptjs/examples",
  "codeceptjs:demo:headless": "HEADLESS=true codeceptjs run --steps -c node_modules/@codeceptjs/examples",
  "codeceptjs:demo:ui": "codecept-ui --app  -c node_modules/@codeceptjs/examples"
}
npm uninstall @codeceptjs/examples 
npx codeceptjs init

? Where are your tests located? (./*_test.js)
# => ./tests/**/*_test.js

? What helpers do you want to use?
(Use arrow keys)
# => โฏ Playwright

? Where should logs, screenshots, and reports to be stored? (./output)
# => ./output

? Do you want localization for tests? (See https://codecept.io/translation/)
(Use arrow keys)
# => โฏ English (no localization)

? [Playwright] Base url of site to be tested (http://localhost)
# => http://localhost:8080

? [Playwright] Show browser window (Y/n)
# => Y

? [Playwright] Browser in which testing will be performed.
Possible options: chromium, firefox or webkit (chromium)
# => chromium

Creating a new test...
----------------------

? Feature which is being tested (ex: account, login, etc)
# => google

? Filename of a test (google_test.js)
# => google_test.js

์ƒ˜ํ”Œ ์ฝ”๋“œ

Feature('Google');

Scenario('Search โ€œCodeceptJSโ€', ({ I }) => {
  I.amOnPage('https://www.google.com/ncr');
  I.fillField('[name="q"]', 'CodeceptJS');
  I.click('Google Search');
  I.see('codecept.io');
});

์‹คํ–‰

npm run codeceptjs

Playwright

Headless Chrome์„ ๊ธฐ๋ฐ˜์œผ๋กœ ํ•œ Puppteer์„ ๊ณ„์Šนํ•˜๋ฉด์„œ ๋” ๋งŽ์€ ์›น ๋ธŒ๋ผ์šฐ์ €๋ฅผ ์ง€์›ํ•œ๋‹ค.

npm i -D @playwright/test eslint-plugin-playwright
npx playwright test

ํ™˜๊ฒฝ์„ค์ •

playwright.config.ts

import { PlaywrightTestConfig } from '@playwright/test';

const config: PlaywrightTestConfig = {
  testDir: './tests',
  retries: 0,
  use: {
    channel: 'chrome',
    baseURL: 'http://localhost:8080', // ๋„๋ฉ”์ธ URL ์„ค์ •
    headless: !!process.env.CI, // CI ํ™˜๊ฒฝ์—์„  headless๋กœ ๋™์ž‘ 
    screenshot: 'only-on-failure', // ํ…Œ์ŠคํŠธ ์‹คํŒจํ•  ๋•Œ ์Šคํฌ๋ฆฐ์ƒท์„ ์ฐ์–ด ๋‚จ๊น€
  },
};

export default config;

.gitignore ํŒŒ์ผ์— ์—๋Ÿฌ ์ƒํ™ฉ์˜ ์Šคํฌ๋ฆฐ์ƒท ๋“ฑ์ด ๋‹ด๊ธฐ๋Š” test-results/ ๋””๋ ‰ํ„ฐ๋ฆฌ ์ถ”๊ฐ€.

tests/.eslintrc.js

module.exports = {
  env: {
    jest: false, // jest๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๊ณ  playwright์—์„œ ์ œ๊ณตํ•˜๋Š” api๋ฅผ ์‚ฌ์šฉํ•˜๋ฏ€๋กœ false
  },
  extends: ['plugin:playwright/playwright-test'],
  rules: {
    'import/no-extraneous-dependencies': 'off',
  },
}

jest.config.js

E2E ํ…Œ์ŠคํŠธ๋Š” .spec, ๋‹จ์œ„ ํ…Œ์ŠคํŠธ๋Š” .test๋กœ ๊ตฌ๋ถ„ํ•˜์—ฌ ๋‹จ์œ„ํ…Œ์ŠคํŠธ ์‹คํ–‰์‹œ E2E ํ…Œ์ŠคํŠธ๋Š” ์‹คํ–‰ํ•˜์ง€ ์•Š๋„๋ก ์„ค์ •

module.exports = {
  //...
  testMatch: ['**/*.test.{ts,tsx}', '!**/*.spec.{ts,tsx}'],
  // ๋˜๋Š”
  testPathIgnorePatterns: ['<rootDir>/e2e/'],
};

ํ…Œ์ŠคํŠธ ์ฝ”๋“œ ์˜ˆ์‹œ

UI๊ฐ€ ๋ณต์žกํ•ด์ง€๋ฉด ์‚ฌ์šฉ์ž ๊ด€์ ์—์„œ ํŠน์ • ์š”์†Œ๋ฅผ ์ง€์ •ํ•˜๋Š” ๊ฒƒ์ด ์•„์ง์€ ์–ด๋ ค์šด๋ฐ ์ถ”ํ›„์— ์•Œ๊ฒŒ๋˜๋ฉด ํ•ด๋‹น ๋‚ด์šฉ์„ ๋ฐ˜์˜ํ•ด์„œ ๋‹ค์‹œ ์ž‘์„ฑํ•  ์˜ˆ์ •

import { test, expect } from '@playwright/test';

test('Filter Food', async ({ page }) => {
  await page.goto('/');

  await expect(page.getByRole('heading', { name: '์‹๋‹น ๊ฒ€์ƒ‰์ฐฝ' })).toBeVisible();

  const searchInput = page.getByLabel('๊ฒ€์ƒ‰');

  await searchInput.fill('๋ฉ”๋ฆฌ๊น€๋ฐฅ');

  await expect(page.getByText('์ œ์œก๊น€๋ฐฅ')).toBeVisible();

  await searchInput.fill('๋ฉ”๊ฐ€๋ฐ˜์ ');

  await expect(page.getByText('์งœ์žฅ๋ฉด')).toBeVisible();

  await searchInput.fill('์•„๋ฌด๊ฑฐ๋‚˜');

  await expect(page.getByText('์งœ์žฅ๋ฉด')).toBeHidden();

  const radioBtn = page.getByRole('radio', { name: 'ํ•œ์‹' });

  await radioBtn.click();

  await expect(page.getByText('๋ฉ”๋ฆฌ๊น€๋ฐฅ')).toBeVisible();

  await expect(page.getByText('๋ฉ”๊ฐ€๋ฐ˜์ ')).toBeHidden();
});

test('Cart', async ({ page }) => {
  await page.goto('/');

  const addBtn = await page.waitForSelector('button[name="#์งœ์žฅ๋ฉด"]');

  await addBtn.click();
  await addBtn.click();

  await expect(page.getByText('ํ•ฉ๊ณ„: 8000์› ์ฃผ๋ฌธ')).toBeVisible();

  const removeBtn = page.getByRole('button', { name: '์งœ์žฅ๋ฉด์ œ๊ฑฐ' });

  await removeBtn.click();

  await expect(page.getByText('ํ•ฉ๊ณ„: 0์› ์ฃผ๋ฌธ')).toBeVisible();
});

test('When order complete display receipt ', async ({ page }) => {
  await page.goto('/');

  const addBtn = await (page.waitForSelector('button[name="#์งœ์žฅ๋ฉด"]'));

  await addBtn.click();

  const orderBtn = page.getByRole('button', { name: '์ฃผ๋ฌธํ•˜๊ธฐ' });

  await orderBtn.click();

  await expect(page.getByRole('table', { name: '์˜์ˆ˜์ฆ' })).toBeVisible();
});

test('Receipts disappear after 5 seconds', async ({ page }) => {
  await page.goto('/');

  const addBtn = await page.waitForSelector('button[name="#์งœ์žฅ๋ฉด"]');

  await addBtn.click();

  const orderBtn = page.getByRole('button', { name: '์ฃผ๋ฌธํ•˜๊ธฐ' });

  await orderBtn.click();

  // eslint-disable-next-line playwright/no-wait-for-timeout
  await page.waitForTimeout(5000);

  await expect(page.getByRole('table', { name: '์˜์ˆ˜์ฆ' })).toBeHidden();
  await expect(page.getByRole('heading', { name: '[์˜์ˆ˜์ฆ ๋‚˜์˜ค๋Š” ๊ณณ]' })).toBeVisible();
});

waitFor*์™€ ๊ฐ™์€ ํŠน์ • ์‹œ๊ฐ„์„ ๊ธฐ๋‹ค๋ฆฌ๋Š” API๋ฅผ ์‚ฌ์šฉํ•  ๋•Œ, ์ด์ „์— expect()๋ฅผ ์ž‘์„ฑํ–ˆ๋‹ค๋ฉด ๋™์ž‘ํ•˜์ง€ ์•Š๋Š”๋‹ค.

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