Add unit tests and pnpm install workflow

.github/workflows/unit-test.yml

@@ -0,0 +1,52 @@
+name: 'Unit Tests'
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  cache-and-install:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      pull-requests: write
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: 16
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+          run_install: false
+
+      - name: Get pnpm store directory
+        shell: bash
+        run: |
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+
+      - name: Setup pnpm cache
+        uses: actions/cache@v3
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Run unit tests
+        run: pnpm test:coverage
+
+      - name: Report Coverage
+        if: always()
+        uses: davelosert/vitest-coverage-report-action@v2

vitest.config.ts

@@ -6,7 +6,12 @@ export default defineConfig({
     setupFiles: ['./src/test-setup.ts'],
     environment: 'happy-dom',
     coverage: {
+      reporter: ['text', 'json-summary', 'json'],
       provider: 'istanbul',
+      lines: 70,
+      branches: 70,
+      functions: 70,
+      statements: 70,
     },
   },
   resolve: {