add more tests

rpcx/internal/serverinterceptors/statinterceptor_test.go

@@ -0,0 +1,22 @@
+package serverinterceptors
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/tal-tech/go-zero/core/stat"
+	"google.golang.org/grpc"
+)
+
+func TestUnaryStatInterceptor(t *testing.T) {
+	metrics := stat.NewMetrics("mock")
+	interceptor := UnaryStatInterceptor(metrics)
+	_, err := interceptor(context.Background(), nil, &grpc.UnaryServerInfo{
+		FullMethod: "/",
+	}, func(
+		ctx context.Context, req interface{}) (interface{}, error) {
+		return nil, nil
+	})
+	assert.Nil(t, err)
+}