feat: complete cmpp platform phases 0-5

gateway/internal/health/server_test.go

@@ -0,0 +1,31 @@
+package health
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+)
+
+func TestHealthHandler(t *testing.T) {
+	server := httptest.NewServer(Handler())
+	defer server.Close()
+
+	response, err := http.Get(server.URL + "/health")
+	if err != nil {
+		t.Fatalf("get health: %v", err)
+	}
+	defer response.Body.Close()
+
+	if response.StatusCode != http.StatusOK {
+		t.Fatalf("unexpected status: %d", response.StatusCode)
+	}
+
+	var payload Status
+	if err := json.NewDecoder(response.Body).Decode(&payload); err != nil {
+		t.Fatalf("decode health payload: %v", err)
+	}
+	if payload.Status != "ok" || payload.Service != "cmpp-gateway" {
+		t.Fatalf("unexpected payload: %+v", payload)
+	}
+}