fix(skip-tag): skip tag does not really skip the value but reset it. (#67)

* fix(skip-tag): skip tag not really skip the value but reset it.

* chore(travis): change the go version

Author: bxcodec

.travis.yml

@@ -1,6 +1,6 @@
 language: go
 go:
-- "1.11"
+- "1.12"
 
 env:
  - env GO111MODULE=on

faker.go

@@ -345,19 +345,18 @@ func getValue(a interface{}) (reflect.Value, error) {
 		v.Elem().Set(val.Convert(t.Elem()))
 		return v, nil
 	case reflect.Struct:
-
 		switch t.String() {
 		case "time.Time":
 			ft := time.Now().Add(time.Duration(rand.Int63()))
 			return reflect.ValueOf(ft), nil
 		default:
+			originalDataVal := reflect.ValueOf(a)
 			v := reflect.New(t).Elem()
 			for i := 0; i < v.NumField(); i++ {
 				if !v.Field(i).CanSet() {
 					continue // to avoid panic to set on unexported field in struct
 				}
 				tags := decodeTags(t, i)
-
 				switch {
 				case tags.keepOriginal:
 					zero, err := isZero(reflect.ValueOf(a).Field(i))
@@ -380,7 +379,10 @@ func getValue(a interface{}) (reflect.Value, error) {
 					val = val.Convert(v.Field(i).Type())
 					v.Field(i).Set(val)
 				case tags.fieldType == SKIP:
-					continue
+					item := originalDataVal.Field(i).Interface()
+					if v.CanSet() && item != nil {
+						v.Field(i).Set(reflect.ValueOf(item))
+					}
 				default:
 					err := setDataWithTag(v.Field(i).Addr(), tags.fieldType)
 					if err != nil {

faker_test.go

@@ -685,8 +685,13 @@ func TestSkipField(t *testing.T) {
 	a := struct {
 		ID              int
 		ShouldBeSkipped int `faker:"-"`
+		ShouldBeSkippedFilled int `faker:"-"`
+		
 	}{}
 
+
+	a.ShouldBeSkippedFilled = 10
+
 	err := FakeData(&a)
 
 	if err != nil {
@@ -696,6 +701,10 @@ func TestSkipField(t *testing.T) {
 	if a.ShouldBeSkipped != 0 {
 		t.Error("Expected that field will be skipped")
 	}
+	
+	if a.ShouldBeSkippedFilled != 10 {
+		t.Error("Expected that field will be skipped")
+	}
 
 }
 

go.mod

@@ -1 +1,3 @@
 module github.com/bxcodec/faker/v3
+
+go 1.12