test: add health system test

.github/workflows/build.yaml

@@ -22,11 +22,24 @@ jobs:
       - name: Build
         run: go build ./...
 
+  test:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+
       - name: Unit Tests
-        run: go test ./...
+        run: go test ./... -v
 
       - name: Integration Tests
-        run: go test ./... -tags integration
+        run: go test ./... -tags integration -v
+
+      - name: System Tests
+        run: go test ./tests -tags system -v
 
   lint:
     runs-on: ubuntu-latest

Makefile

@@ -14,6 +14,10 @@ unit-test:
 integration-test:
 	go test ./... -tags integration -v
 
+.PHONY: system-test
+system-test:
+	go test ./tests -tags system -v
+
 .PHONY: fmt
 fmt:
 	go fmt ./...

tests/server_test.go

@@ -0,0 +1,53 @@
+//go:build system
+
+package tests
+
+import (
+	"context"
+	"net/http"
+	"testing"
+
+	"github.com/andydunstall/pico/pkg/log"
+	"github.com/andydunstall/pico/server"
+	"github.com/andydunstall/pico/server/config"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestServer(t *testing.T) {
+	serverConf := defaultServerConfig()
+	server, err := server.NewServer(serverConf, log.NewNopLogger())
+	require.NoError(t, err)
+
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	go func() {
+		require.NoError(t, server.Run(ctx))
+	}()
+
+	t.Run("health status", func(t *testing.T) {
+		resp, err := http.Get(
+			"http://" + serverConf.Admin.AdvertiseAddr + "/health",
+		)
+		assert.NoError(t, err)
+		defer resp.Body.Close()
+		assert.Equal(t, http.StatusOK, resp.StatusCode)
+	})
+}
+
+// defaultServerConfig returns the default server configuration for local
+// tests.
+func defaultServerConfig() *config.Config {
+	return &config.Config{
+		Proxy: config.ProxyConfig{
+			BindAddr:       "127.0.0.1:0",
+			GatewayTimeout: 1,
+		},
+		Upstream: config.UpstreamConfig{
+			BindAddr: "127.0.0.1:0",
+		},
+		Admin: config.AdminConfig{
+			BindAddr: "127.0.0.1:0",
+		},
+	}
+}