Add GitHub Actions to build, test, and deploy on Pages

Author: yasulab

Diff for: .github/workflows/test.yml

@@ -0,0 +1,70 @@
+name: Test & Deploy
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - "*"
+
+jobs:
+  # Test job is always triggered as continuous integration
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: ☑️ Checkout code
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 2
+
+    - name: 💎 Setup Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        bundler-cache: true
+
+    - name: 🔧 Build & Test
+      run: |
+        JEKYLL_ENV=production bundle exec jekyll build
+        JEKYLL_ENV=production bundle exec jekyll doctor
+        SKIP_BUILD=true       bundle exec rake test
+
+    - name: 🔔 Notify results
+      env:
+        IDOBATA_GITHUB_ACTIONS: ${{ secrets.IDOBATA_GITHUB_ACTIONS }}
+      if: always() && ( env.IDOBATA_GITHUB_ACTIONS!= null )
+      uses: yasslab/idobata_notify@main # https://github.com/yasslab/idobata_notify
+      with:
+        idobata_hook_url: ${{ env.IDOBATA_GITHUB_ACTIONS }}
+
+  # Deploy job is triggered only pushed to main branch && CI passed
+  deploy:
+    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+    - name: ☑️ Checkout code
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 1
+
+    - name: 💎 Setup Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        bundler-cache: true
+
+    - name: 🧪 Install gems
+      run: |
+        bundle config set with 'test'
+        bundle config set path 'vendor/bundle'
+        bundle install --jobs 4 --retry 3
+
+    - name: 🔧 Build
+      run: |
+        JEKYLL_ENV=production bundle exec jekyll build
+
+    - name: 🚀 Deploy to GitHub Pages
+      if:   github.ref == 'refs/heads/main' && job.status == 'success'
+      uses: peaceiris/actions-gh-pages@v3
+      with:
+        personal_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir:    ./_site