format codes, update some test

config.go

@@ -186,7 +186,7 @@ func (c *Config) Readonly() {
  *************************************************************/
 
 // AddDriver set a decoder and encoder driver for a format.
-func AddDriver(driver Driver) {dc.AddDriver(driver) }
+func AddDriver(driver Driver) { dc.AddDriver(driver) }
 
 // AddDriver set a decoder and encoder driver for a format.
 func (c *Config) AddDriver(driver Driver) {

config_get.go

@@ -66,24 +66,20 @@ func (c *Config) Exists(key string, findByPath ...bool) (ok bool) {
 
 			// check slice index
 			if err != nil || len(typeData) < i {
-				ok = false
-				return
+				return false
 			}
 		case []string: // is array(is from Set)
 			i, err := strconv.Atoi(k)
 			if err != nil || len(typeData) < i {
-				ok = false
-				return
+				return false
 			}
 		case []interface{}: // is array(load from file)
 			i, err := strconv.Atoi(k)
 			if err != nil || len(typeData) < i {
-				ok = false
-				return
+				return false
 			}
 		default: // error
-			ok = false
-			return
+			return false
 		}
 	}
 	return true

config_get_test.go

@@ -59,6 +59,9 @@ func TestGet(t *testing.T) {
 	st.True(Exists("age"))
 	st.True(Exists("map1.key"))
 	st.True(Exists("arr1.1"))
+	st.False(Exists("arr1.1", false))
+	st.False(Exists("not-exist.sub"))
+	st.False(Exists(""))
 	st.False(Exists("not-exist"))
 
 	// get value
@@ -93,6 +96,7 @@ func TestGet(t *testing.T) {
 
 	// Ints: get int arr
 	iarr := Ints("name")
+	st.False(Exists("name.1"))
 	st.Empty(iarr)
 
 	iarr = Ints("notExist")
@@ -126,7 +130,7 @@ func TestGet(t *testing.T) {
 	err = Set("intMap0", map[string]int{"a": 1, "b": 2})
 	st.Nil(err)
 	imp = IntMap("intMap0")
-	
+
 	st.NotEmpty(imp)
 	st.Equal(1, imp["a"])
 
@@ -210,7 +214,7 @@ func TestGet(t *testing.T) {
 func TestInt(t *testing.T) {
 	st := assert.New(t)
 	ClearAll()
-	_= LoadStrings(JSON, jsonStr)
+	_ = LoadStrings(JSON, jsonStr)
 
 	st.True(Exists("age"))
 
@@ -235,7 +239,7 @@ func TestInt(t *testing.T) {
 func TestInt64(t *testing.T) {
 	st := assert.New(t)
 	ClearAll()
-	_= LoadStrings(JSON, jsonStr)
+	_ = LoadStrings(JSON, jsonStr)
 
 	// get int64
 	iv64 := Int64("age")
@@ -261,7 +265,7 @@ func TestInt64(t *testing.T) {
 func TestFloat(t *testing.T) {
 	st := assert.New(t)
 	ClearAll()
-	_= LoadStrings(JSON, jsonStr)
+	_ = LoadStrings(JSON, jsonStr)
 	c := Default()
 
 	// get float
@@ -276,6 +280,9 @@ func TestFloat(t *testing.T) {
 	flt = c.Float("notExists", 0)
 	st.Equal(float64(0), flt)
 
+	flt = c.Float("notExists", 10)
+	st.Equal(float64(10), flt)
+
 	flt = Float("flVal", 0)
 	st.Equal(23.45, flt)
 
@@ -285,7 +292,7 @@ func TestFloat(t *testing.T) {
 func TestString(t *testing.T) {
 	st := assert.New(t)
 	ClearAll()
-	_= LoadStrings(JSON, jsonStr)
+	_ = LoadStrings(JSON, jsonStr)
 
 	// get string
 	val := String("arr1")
@@ -309,7 +316,7 @@ func TestString(t *testing.T) {
 func TestBool(t *testing.T) {
 	st := assert.New(t)
 	ClearAll()
-	_= LoadStrings(JSON, jsonStr)
+	_ = LoadStrings(JSON, jsonStr)
 
 	// get bool
 	val := Get("debug")

config_test.go

@@ -63,19 +63,19 @@ func Example() {
 	// fmt.Printf("config data: \n %#v\n", Data())
 	fmt.Print("get config example:\n")
 
-	name:= String("name")
+	name := String("name")
 	fmt.Printf("- get string\n val: %v\n", name)
 
-	arr1:= Strings("arr1")
+	arr1 := Strings("arr1")
 	fmt.Printf("- get array\n val: %#v\n", arr1)
 
-	val0:= String("arr1.0")
+	val0 := String("arr1.0")
 	fmt.Printf("- get sub-value by path 'arr.index'\n val: %#v\n", val0)
 
-	map1:= StringMap("map1")
+	map1 := StringMap("map1")
 	fmt.Printf("- get map\n val: %#v\n", map1)
 
-	val0= String("map1.key")
+	val0 = String("map1.key")
 	fmt.Printf("- get sub-value by path 'map.key'\n val: %#v\n", val0)
 
 	// can parse env name(ParseEnv: true)
@@ -84,7 +84,7 @@ func Example() {
 
 	// set value
 	_ = Set("name", "new name")
-	name= String("name")
+	name = String("name")
 	fmt.Printf("- set string\n val: %v\n", name)
 
 	// if you want export config data
@@ -425,13 +425,13 @@ func TestOptions(t *testing.T) {
 	err := c.LoadStrings(JSON, jsonStr)
 	st.Nil(err)
 
-	str:= c.String("name")
+	str := c.String("name")
 	st.Equal("app", str)
 
-	str= c.String("envKey")
+	str = c.String("envKey")
 	st.NotContains(str, "${")
 
-	str= c.String("invalidEnvKey")
+	str = c.String("invalidEnvKey")
 	st.Contains(str, "${")
 
 	str = c.String("envKey1")

ini/ini_test.go

@@ -47,7 +47,7 @@ func Example() {
 	fmt.Printf("get env 'envKey1' val: %s\n", config.String("envKey1", ""))
 
 	// set value
-	_= config.Set("name", "new name")
+	_ = config.Set("name", "new name")
 	name = config.String("name")
 	fmt.Printf("set string\n - val: %v\n", name)
 }

json/json_test.go

@@ -49,7 +49,7 @@ func Example() {
 	fmt.Printf("get env 'envKey1' val: %s\n", config.String("envKey1", ""))
 
 	// set value
-	_= config.Set("name", "new name")
+	_ = config.Set("name", "new name")
 	name = config.String("name")
 	fmt.Printf("set string\n - val: %v\n", name)
 

json_test.go

@@ -135,4 +135,3 @@ comments
 		s,
 	)
 }
-

toml/toml_test.go

@@ -46,7 +46,7 @@ func Example() {
 	}
 
 	// load from string
-	_= config.LoadSources(config.Toml, []byte(tomlStr))
+	_ = config.LoadSources(config.Toml, []byte(tomlStr))
 
 	// fmt.Printf("config data: \n %#v\n", Data())
 	fmt.Print("get config example:\n")