add new tests for load yml files

_examples/yaml.go

@@ -32,29 +32,29 @@ func main() {
 	fmt.Printf("config data: \n %#v\n", config.Data())
 	fmt.Print("get config example:\n")
 
-	name, ok := config.String("name")
-	fmt.Printf("- get string\n ok: %v, val: %v\n", ok, name)
+	name := config.String("name")
+	fmt.Printf("- get string\n val: %v\n", name)
 
-	arr1, ok := config.Strings("arr1")
-	fmt.Printf("- get array\n ok: %v, val: %#v\n", ok, arr1)
+	arr1 := config.Strings("arr1")
+	fmt.Printf("- get array\n val: %#v\n", arr1)
 
-	val0, ok := config.String("arr1.0")
-	fmt.Printf("- get sub-value by path 'arr.index'\n ok: %v, val: %#v\n", ok, val0)
+	val0 := config.String("arr1.0")
+	fmt.Printf("- get sub-value by path 'arr.index'\n val: %#v\n", val0)
 
-	map1, ok := config.StringMap("map1")
-	fmt.Printf("- get map\n ok: %v, val: %#v\n", ok, map1)
+	map1 := config.StringMap("map1")
+	fmt.Printf("- get map\n val: %#v\n", map1)
 
-	val0, ok = config.String("map1.key")
-	fmt.Printf("- get sub-value by path 'map.key'\n ok: %v, val: %#v\n", ok, val0)
+	val0 = config.String("map1.key")
+	fmt.Printf("- get sub-value by path 'map.key'\n val: %#v\n", val0)
 
 	// can parse env name(ParseEnv: true)
-	fmt.Printf("get env 'envKey' val: %s\n", config.DefString("envKey", ""))
-	fmt.Printf("get env 'envKey1' val: %s\n", config.DefString("envKey1", ""))
+	fmt.Printf("get env 'envKey' val: %s\n", config.String("envKey", ""))
+	fmt.Printf("get env 'envKey1' val: %s\n", config.String("envKey1", ""))
 
 	// set value
 	config.Set("name", "new name")
-	name, ok = config.String("name")
-	fmt.Printf("- set string\n ok: %v, val: %v\n", ok, name)
+	name = config.String("name")
+	fmt.Printf("- set string\n  val: %v\n", name)
 
 	// if you want export config data
 	// buf := new(bytes.Buffer)

yaml/yaml_test.go

@@ -97,6 +97,29 @@ func TestDumpConfig(t *testing.T) {
 	fmt.Printf("export config:\n%s", buf.String())
 }
 
+func TestLoadFile(t *testing.T)  {
+	c := config.NewEmpty("test")
+	c.AddDriver(Driver)
+	c.WithOptions(config.ParseEnv)
+
+	err := c.LoadFiles("../testdata/yml_base.yml")
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("config data: \n %#v\n", c.Data())
+	assert.Equal(t, "app", c.String("name"))
+
+	err = c.LoadFiles("../testdata/yml_other.yml")
+	// config.LoadFiles("testdata/yml_base.yml", "testdata/yml_other.yml")
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Printf("config data: \n %#v\n", c.Data())
+	assert.Equal(t, "app2", c.String("name"))
+}
+
 func TestDriver(t *testing.T) {
 	is := assert.New(t)