fix the toMap when input is basic map

dara/core.go

@@ -729,10 +729,17 @@ func ToMap(args ...interface{}) map[string]interface{} {
 			}
 		default:
 			val := reflect.ValueOf(obj)
-			res := structToMap(val)
-			for key, value := range res {
-				if value != nil {
-					finalArg[key] = value
+			if val.Kind().String() == "map" {
+				tmp := val.MapKeys()
+				for _, key := range tmp {
+					finalArg[key.String()] = val.MapIndex(key).Interface()
+				}
+			} else {
+				res := structToMap(val)
+				for key, value := range res {
+					if value != nil {
+						finalArg[key] = value
+					}
 				}
 			}
 		}

dara/core_test.go

@@ -361,11 +361,27 @@ type Test struct {
 }
 
 func TestToMap(t *testing.T) {
+	inStr := map[string]string{
+		"tea": "test",
+		"test": "test2",
+	}
+	result := ToMap(inStr)
+	utils.AssertEqual(t, "test", result["tea"])
+	utils.AssertEqual(t, "test2", result["test"])
+
+	inInt := map[string]int{
+		"tea": 12,
+		"test": 13,
+	}
+	result = ToMap(inInt)
+	utils.AssertEqual(t, 12, result["tea"])
+	utils.AssertEqual(t, 13, result["test"])
+
 	in := map[string]*string{
 		"tea": String("test"),
 		"nil": nil,
 	}
-	result := ToMap(in)
+	result = ToMap(in)
 	utils.AssertEqual(t, "test", result["tea"])
 	utils.AssertNil(t, result["nil"])