chore: add boilerplate testing workflow

.github/workflows/test.yml

@@ -0,0 +1,39 @@
+name: Test Next.js App
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Install dependencies
+        run: npm install
+        working-directory: ./src
+
+      - name: Run linter
+        run: npm run lint
+        working-directory: ./src
+
+      - name: Run tests
+        run: npx jest --config jest.config.js
+        working-directory: ./src
+
+      - name: Build application
+        run: npm run build
+        working-directory: ./src

src/.babelrc

@@ -0,0 +1,3 @@
+{
+    "presets": ["@babel/preset-env", "@babel/preset-react", "@babel/preset-typescript"]
+}

src/jest.config.js

@@ -0,0 +1,10 @@
+module.exports = {
+  testEnvironment: 'jest-environment-jsdom',
+  setupFilesAfterEnv: ['<rootDir>/jest.setup.js'],
+  transform: {
+    '^.+\\.(js|jsx|ts|tsx)$': 'babel-jest',
+  },
+  moduleNameMapper: {
+    '\\.(css|less|scss|sass)$': 'identity-obj-proxy',
+  },
+};

src/jest.setup.js

@@ -0,0 +1 @@
+import '@testing-library/jest-dom';