Added Fetcher

internal/caching/cache_test.go

@@ -10,6 +10,14 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+func TestGetClient(t *testing.T) {
+	c := GetClient()
+	assert.Equal(t, CacheExpiration, c.Expiration)
+	assert.Equal(t, 0, c.Storage.Options().DB)
+	assert.Equal(t, HostName, c.Storage.Options().Addr)
+	assert.Equal(t, Password, c.Storage.Options().Password)
+}
+
 func TestGetSet(t *testing.T) {
 	client, s := getTestClient()
 	defer s.Close()

internal/caching/client.go

@@ -10,13 +10,8 @@ type CacheClient struct {
 	Expiration time.Duration
 }
 
-var client *CacheClient
-
 func GetClient() *CacheClient {
-	if client != nil {
-		return client
-	}
-	client = new(CacheClient)
+	client := new(CacheClient)
 	client.Init()
 	return client
 }