[FE] test: cypress를 이용한 e2e 테스트, CI 추가

.github/workflows/fe-test-e2e.yml

@@ -0,0 +1,35 @@
+name: Cypress Tests
+
+on:
+  pull_request:
+    branches:
+      - develop
+    paths:
+      - frontend/**
+      - .github/**
+
+defaults:
+  run:
+    working-directory: ./frontend
+
+jobs:
+  cypress-run:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Create .env.development file
+        run: |
+          touch .env.development
+          echo "BASE_URL=${{secrets.BASE_URL_DEVELOPMENT}}" >> .env.development
+
+      - name: Cypress run
+        uses: cypress-io/github-action@v5
+        with:
+          start: yarn start
+          wait-on: 'http://localhost:3000'
+          browser: chrome
+          working-directory: ./frontend
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

frontend/.eslintrc

@@ -25,6 +25,7 @@
     "plugin:import/typescript",
     "plugin:storybook/recommended",
     "plugin:@typescript-eslint/parser",
+    "plugin:cypress/recommended",
     "prettier"
   ],
   "rules": {

frontend/.gitignore

@@ -1,4 +1,6 @@
 node_modules/
 dist/
 yarn-error.log
-.env.*
+.env.*
+
+cypress/videos

frontend/cypress.config.ts

@@ -0,0 +1,10 @@
+import { defineConfig } from 'cypress';
+
+export default defineConfig({
+  e2e: {
+    baseUrl: 'http://localhost:3000',
+    setupNodeEvents(on, config) {
+      // implement node event listeners here
+    },
+  },
+});

frontend/cypress/e2e/main-page.cy.ts

@@ -0,0 +1,54 @@
+describe('동글 메인 페이지', () => {
+  beforeEach(() => {
+    cy.viewport(1440, 810);
+    cy.visit(`/`);
+  });
+
+  describe('글 업로드 테스트', () => {
+    it('Add Post 버튼을 누르면 글 가져오기 모달 창이 열린다.', () => {
+      cy.findByText('Add Post').click();
+
+      cy.findByText('글 가져오기').should('exist');
+    });
+
+    it('드래그 앤 드롭으로 마크다운 파일을 업로드할 수 있다.', () => {
+      cy.findByText('Add Post').click();
+      cy.findByLabelText('파일 업로드').attachFile('markdown-test.md', {
+        subjectType: 'drag-n-drop',
+      });
+
+      cy.findByText('markdown-test').should('exist');
+      cy.findByText('e2e 테스트를 위한 마크다운 파일입니다.').should('exist');
+      cy.findByText('글 정보').should('exist');
+      cy.findByLabelText('오른쪽 사이드바 토글').should('exist');
+    });
+
+    it('기본 카테고리에서 업로드한 글을 확인할 수 있다.', () => {
+      cy.findByText('기본').click();
+
+      cy.findAllByText('markdown-test').should('exist');
+    });
+  });
+
+  describe('카테고리 테스트', () => {
+    it('카테고리 추가 버튼을 클릭하여 입력 창에 이름을 입력하고 엔터를 쳐서 카테고리를 추가할 수 있다.', () => {
+      cy.findByLabelText('카테고리 추가 입력 창 열기').click();
+      cy.findByLabelText('카테고리 추가 입력 창').focus().type('동글이{enter}');
+      cy.findByText('동글이').should('exist');
+    });
+
+    it('카테고리 이름 수정 버튼을 클릭하여 입력 창에 이름을 입력하고 엔터를 쳐서 카테고리 이름을 수정할 수 있다.', () => {
+      cy.findByText('동글이').realHover();
+      cy.findByLabelText('동글이 카테고리 이름 수정').click();
+      cy.findByLabelText('동글이 카테고리 이름 수정 입력 창').focus().type('동글동글이{enter}');
+      cy.findByText('동글이').should('not.exist');
+      cy.findByText('동글동글이').should('exist');
+    });
+
+    it('카테고리 삭제 버튼을 클릭하여 카테고리를 삭제할 수 있다.', () => {
+      cy.findByText('동글동글이').realHover();
+      cy.findByLabelText('동글동글이 카테고리 삭제').click();
+      cy.findByText('동글동글이').should('not.exist');
+    });
+  });
+});

frontend/cypress/fixtures/example.json

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

frontend/cypress/fixtures/markdown-test.md

@@ -0,0 +1,8 @@
+## e2e 테스트를 위한 마크다운 파일입니다.
+
+- 쿠마쿠마쿠마
+  - Kuma
+
+```javascript
+const name = 'kuma';
+```

frontend/cypress/support/commands.ts

@@ -0,0 +1,41 @@
+/// <reference types="cypress" />
+/// <reference types="@testing-library/cypress" />
+// ***********************************************
+// This example commands.ts 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) => { ... })
+//
+// declare global {
+//   namespace Cypress {
+//     interface Chainable {
+//       login(email: string, password: string): Chainable<void>
+//       drag(subject: string, options?: Partial<TypeOptions>): Chainable<Element>
+//       dismiss(subject: string, options?: Partial<TypeOptions>): Chainable<Element>
+//       visit(originalFn: CommandOriginalFn, url: string, options: Partial<VisitOptions>): Chainable<Element>
+//     }
+//   }
+// }
+import '@testing-library/cypress/add-commands';
+import 'cypress-real-events';
+import 'cypress-file-upload';

frontend/cypress/support/e2e.ts

@@ -0,0 +1,20 @@
+// ***********************************************************
+// This example support/e2e.ts 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')

frontend/package.json

@@ -12,7 +12,9 @@
     "start:prod": "cross-env NODE_ENV=production webpack serve --config webpack.prod.js",
     "storybook": "storybook dev -p 6006",
     "build-storybook": "storybook build",
-    "test": "jest --maxWorkers=50%"
+    "cy:open": "cypress open",
+    "cy:run": "cypress run",
+    "test:e2e": "start-server-and-test start http://localhost:3000 cy:run"
   },
   "dependencies": {
     "@tanstack/react-query": "^4.32.6",
@@ -36,6 +38,7 @@
     "@storybook/react-webpack5": "^7.0.26",
     "@storybook/testing-library": "^0.0.14-next.2",
     "@svgr/webpack": "^8.0.1",
+    "@testing-library/cypress": "^9.0.0",
     "@testing-library/react": "^14.0.0",
     "@types/dompurify": "^3.0.2",
     "@types/jest": "^29.5.3",
@@ -45,10 +48,14 @@
     "@typescript-eslint/eslint-plugin": "5.61.0",
     "@typescript-eslint/parser": "5.61.0",
     "cross-env": "^7.0.3",
+    "cypress": "^12.17.3",
+    "cypress-file-upload": "^5.0.8",
+    "cypress-real-events": "^1.10.0",
     "dotenv-webpack": "^8.0.1",
     "eslint": "8.44.0",
     "eslint-config-prettier": "8.8.0",
     "eslint-import-resolver-typescript": "3.5.5",
+    "eslint-plugin-cypress": "^2.14.0",
     "eslint-plugin-import": "2.27.5",
     "eslint-plugin-jsx-a11y": "6.7.1",
     "eslint-plugin-react": "7.32.2",
@@ -60,6 +67,7 @@
     "msw": "^1.2.3",
     "msw-storybook-addon": "^1.8.0",
     "prettier": "3.0.0",
+    "start-server-and-test": "^2.0.0",
     "storybook": "^7.0.26",
     "storybook-addon-react-router-v6": "^1.0.2",
     "ts-jest": "^29.1.1",

frontend/src/components/@common/FileUploader/FileUploader.tsx

@@ -21,7 +21,12 @@ const FileUploader = ({ accept = '*', width = '30rem', height = '10rem', onFileS
 
   return (
     <button ref={dragRef} onClick={openFinder}>
-      <S.Description $isDragging={isDragging} $width={width} $height={height}>
+      <S.Description
+        $isDragging={isDragging}
+        $width={width}
+        $height={height}
+        aria-label='파일 업로드'
+      >
         <ImportIcon />
         드래그하거나 클릭해서 업로드
       </S.Description>

frontend/src/components/Category/Category/Category.tsx

@@ -59,6 +59,7 @@ const Category = ({ categoryId, categoryName, isDefaultCategory }: Props) => {
           onBlur={resetInput}
           onKeyDown={escapeRename}
           onKeyUp={requestChangedName}
+          aria-label={`${categoryName} 카테고리 이름 수정 입력 창`}
         />
       ) : (
         <>

frontend/src/components/Category/Header/Header.tsx

@@ -46,6 +46,7 @@ const Header = () => {
           onBlur={resetInput}
           onKeyDown={escapeAddCategory}
           onKeyUp={requestAddCategory}
+          aria-label='카테고리 추가 입력 창'
         />
       ) : (
         <S.Button onClick={openInput} aria-label='카테고리 추가 입력 창 열기'>

frontend/tsconfig.json

@@ -9,12 +9,13 @@
     "jsx": "react-jsx",
     "module": "ESNext",
     "moduleResolution": "Node",
-    "sourceMap": true,
+    "sourceMap": false,
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
     "strict": true,
     "noImplicitAny": true,
-    "skipLibCheck": true
+    "skipLibCheck": true,
+    "types": ["cypress", "@testing-library/cypress", "cypress-real-events", "cypress-file-upload"]
   },
   "include": ["src", "__tests__"],
   "exclude": ["node_modules"]