rename ngin to rest

rest/handler/metrichandler_test.go

@@ -0,0 +1,24 @@
+package handler
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"zero/core/stat"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestMetricHandler(t *testing.T) {
+	metrics := stat.NewMetrics("unit-test")
+	metricHandler := MetricHandler(metrics)
+	handler := metricHandler(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	}))
+
+	req := httptest.NewRequest(http.MethodGet, "http://localhost", nil)
+	resp := httptest.NewRecorder()
+	handler.ServeHTTP(resp, req)
+	assert.Equal(t, http.StatusOK, resp.Code)
+}