Integration test

.github/workflows/integration.yaml

@@ -0,0 +1,27 @@
+---
+name: integration
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  integration:
+    runs-on: [ubuntu-latest]
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: "1.21.x"
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: Start containers
+        run: docker compose up --build --detach
+      - name: run integration test
+        run: go test --tags=integration
+      - name: Stop containers
+        if: always()
+        run: docker compose down

integration_test.go

@@ -0,0 +1,17 @@
+//go:build integration
+
+package main
+
+// TestIntegration checks that unbound_exporter is running, successfully
+// scraping and exporting metrics.
+//
+// It assumes unbound_exporter is available on localhost:9167, and Unbound on
+// localhost:1053, as is set up in the docker-compose.yml file.
+//
+// A typical invocation of this test would look like
+//   docker compose up --build -d
+//   go test --tags=integration
+//   docker compose down
+func TestIntegration(t *testing.T) {
+	// TODO
+}