Add health-check test

tests/integration/api_health_test.go

@@ -0,0 +1,28 @@
+package integration
+
+import (
+	"net/http"
+	"testing"
+
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/routers/web/healthcheck"
+	"code.gitea.io/gitea/tests"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestApiHeatlhCheck(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+	t.Run("Test health-check pass", func(t *testing.T) {
+		defer tests.PrintCurrentTest(t)()
+
+		req := NewRequest(t, "GET", "/api/healthz")
+		resp := MakeRequest(t, req, http.StatusOK)
+		assert.Contains(t, resp.Header().Values("Cache-Control"), "no-store")
+
+		var status healthcheck.Response
+		DecodeJSON(t, resp, &status)
+		assert.Equal(t, healthcheck.Pass, status.Status)
+		assert.Equal(t, setting.AppName, status.Description)
+	})
+}