fix #174: add daily integration tests

.github/workflows/ci.healthcheck.yml

@@ -0,0 +1,60 @@
+name: Continuous integration healthcheck
+
+on:
+  schedule:
+    - cron: 0 6 * * * # at 06:00 every day, UTC
+
+  workflow_dispatch:
+
+jobs:
+  update:
+    name: Updating test suite
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+        with: { fetch-depth: 0 }
+
+      - name: Fetch new test data
+        run: ./Taskfile testdata
+
+  test:
+    name: Testing
+    needs: [ update]
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        go:
+          - 1.x
+          - 1.18.x
+          - 1.19.x
+          - 1.20.x
+
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+        with: { fetch-depth: 0 }
+      - name: Set up Go environment
+        uses: actions/setup-go@v4
+        with: { go-version: '${{ matrix.go }}' }
+
+      - name: Prepare and run tests
+        run: make env deps-fetch test
+
+  notify:
+    name: Notifying
+    needs: [ update, test ]
+    runs-on: ubuntu-latest
+    if: github.event_name != 'pull_request' && (failure() || success())
+
+    steps:
+      - name: Send Slack notification
+        uses: rtCamp/action-slack-notify@v2
+        env:
+          SLACK_COLOR: ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
+          SLACK_ICON: https://github.com/github.png?size=64
+          SLACK_TITLE: '⚙️ ${{ github.repository }}: ${{ github.workflow }}'
+          SLACK_USERNAME: GitHub Actions
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}

.github/workflows/runs.yml

@@ -9,6 +9,7 @@ on:
         options:
           - Cache invalidation
           - Continuous integration
+          - Continuous integration healthcheck
           - Dependabot at weekends
           - Documentation delivery
           - Tools validation