Add test for reading the config.yml

main.go

@@ -30,7 +30,7 @@ var (
 func main() {
 	flag.StringVar(&configFile, "config", "config.yml", "path of configuration file (default:config.yaml)")
 	flag.Parse()
-	config = models.ConfigReadFile(configFile)
+	config = models.ReadConfigFile(configFile)
 	nodes = models.NewNodes(config)
 
 	if config.Influxdb.Enable {

models/config.go

@@ -40,8 +40,8 @@ type Config struct {
 	}
 }
 
-//ConfigReadFile reads a Config models by path to a yml file
-func ConfigReadFile(path string) *Config {
+// reads a config models by path to a yml file
+func ReadConfigFile(path string) *Config {
 	config := &Config{}
 	file, _ := ioutil.ReadFile(path)
 	err := yaml.Unmarshal(file, &config)

models/config_test.go

@@ -0,0 +1,14 @@
+package models
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestReadConfig(t *testing.T) {
+	assert := assert.New(t)
+
+	config := ReadConfigFile("../config_example.yml")
+	assert.NotNil(config)
+}