Improve testing

gluster/driver/driver.go

@@ -14,7 +14,7 @@ var (
 	//MountTimeout timeout before killing a mount try in seconds
 	MountTimeout = 30
 	//CfgVersion current config version compat
-	CfgVersion = 2
+	CfgVersion = 1
 	//CfgFolder config folder
 	CfgFolder = "/etc/docker-volumes/gluster/"
 )

gluster/driver/driver_test.go

@@ -1,17 +1,37 @@
 package driver
 
 import (
+	"io/ioutil"
+	"log"
+	"os"
 	"testing"
 )
 
 func TestInit(t *testing.T) {
+	f, err := ioutil.TempDir("", "testing")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer os.RemoveAll(f) // clean up
+
+	CfgFolder = f
+
 	d := Init("/tmp/test-root", false)
 	if d == nil {
 		t.Error("Expected to be not null, got ", d)
 	}
-	/*
-		  if _, err := os.Stat(cfgFolder + "gluster-persistence.json"); err != nil {
-				t.Error("Expected file to exist, got ", err)
-			}
-	*/
+	log.Println(d.Config)
+
+	d.SaveConfig()
+	//Second reload should reload parsistence file
+	d2 := Init("/tmp/test-root", false)
+	if d2 == nil {
+		t.Error("Expected to be not null, got ", d2)
+	}
+	log.Println(d2.Config)
+
+	if _, err := os.Stat(CfgFolder + "/persistence.json"); err != nil {
+		t.Error("Expected file to exist, got ", err)
+	}
+
 }