feat: added gender tag (#104)

Co-authored-by: o.musin <[email protected]>
Co-authored-by: Iman Tumorang <[email protected]>

faker.go

@@ -88,6 +88,7 @@ const (
 	FirstNameFemaleTag    = "first_name_female"
 	LastNameTag           = "last_name"
 	NAME                  = "name"
+	GENDER                = "gender"
 	UnixTimeTag           = "unix_time"
 	DATE                  = "date"
 	TIME                  = "time"
@@ -137,6 +138,7 @@ var defaultTag = map[string]string{
 	FirstNameFemaleTag:    FirstNameFemaleTag,
 	LastNameTag:           LastNameTag,
 	NAME:                  NAME,
+	GENDER:                GENDER,
 	UnixTimeTag:           UnixTimeTag,
 	DATE:                  DATE,
 	TIME:                  TimeFormat,
@@ -185,6 +187,7 @@ var mapperTag = map[string]TaggedFunction{
 	FirstNameFemaleTag:    GetPerson().FirstNameFemale,
 	LastNameTag:           GetPerson().LastName,
 	NAME:                  GetPerson().Name,
+	GENDER:                GetPerson().Gender,
 	UnixTimeTag:           GetDateTimer().UnixTime,
 	DATE:                  GetDateTimer().Date,
 	TIME:                  GetDateTimer().Time,

person.go

@@ -15,6 +15,7 @@ type Dowser interface {
 	FirstNameFemale(v reflect.Value) (interface{}, error)
 	LastName(v reflect.Value) (interface{}, error)
 	Name(v reflect.Value) (interface{}, error)
+	Gender(v reflect.Value) (interface{}, error)
 }
 
 var person Dowser
@@ -108,6 +109,8 @@ var lastNames = []string{
 }
 var randNameFlag = rand.Intn(100)
 
+var genders = []string{"Male", "Female", "Prefer to skip"}
+
 // GetPerson returns a new Dowser interface of Person struct
 func GetPerson() Dowser {
 	mu.Lock()
@@ -249,3 +252,20 @@ func Name() string {
 		return p.name()
 	}).(string)
 }
+
+// Gender returns a random gender
+func (p Person) Gender(v reflect.Value) (interface{}, error) {
+	return p.gender(), nil
+}
+
+func (p Person) gender() string {
+	return randomElementFromSliceString(genders)
+}
+
+// Gender get fake gender
+func Gender() string {
+	return singleFakeData(GENDER, func() interface{} {
+		p := Person{}
+		return p.gender()
+	}).(string)
+}

person_test.go

@@ -148,3 +148,13 @@ func TestFakeNameFemale(t *testing.T) {
 		t.Error("Expected from function name string get empty string")
 	}
 }
+
+func TestFakeGender(t *testing.T) {
+	gender, err := GetPerson().Gender(reflect.Value{})
+	if err != nil {
+		t.Error("Expected  not error, got err", err)
+	}
+	if !slice.Contains(genders, gender.(string)) {
+		t.Error("Expected value from variable genders in function Gender")
+	}
+}