Extract EtcdHelper interface

test/integration/etcd_tools_test.go

@@ -142,47 +142,3 @@ func TestWatch(t *testing.T) {
 		}
 	})
 }
-
-func TestMigrateKeys(t *testing.T) {
-	withEtcdKey(func(oldPrefix string) {
-		client := newEtcdClient()
-		helper := tools.NewEtcdHelper(client, testapi.Codec(), oldPrefix)
-
-		key1 := oldPrefix + "/obj1"
-		key2 := oldPrefix + "/foo/obj2"
-		key3 := oldPrefix + "/foo/bar/obj3"
-
-		// Create a new entres - these are the 'existing' entries with old prefix
-		_, _ = helper.Client.Create(key1, "foo", 0)
-		_, _ = helper.Client.Create(key2, "foo", 0)
-		_, _ = helper.Client.Create(key3, "foo", 0)
-
-		// Change the helper to a new prefix
-		newPrefix := "/kubernetes.io"
-		helper = tools.NewEtcdHelper(client, testapi.Codec(), newPrefix)
-
-		// Migrate the keys
-		err := helper.MigrateKeys(oldPrefix)
-		if err != nil {
-			t.Fatalf("Unexpected error: %v", err)
-		}
-
-		// Check the resources are at the correct new location
-		newNames := []string{
-			newPrefix + "/obj1",
-			newPrefix + "/foo/obj2",
-			newPrefix + "/foo/bar/obj3",
-		}
-		for _, name := range newNames {
-			_, err := helper.Client.Get(name, false, false)
-			if err != nil {
-				t.Fatalf("Unexpected error: %v", err)
-			}
-		}
-
-		// Check the old locations are removed
-		if _, err := helper.Client.Get(oldPrefix, false, false); err == nil {
-			t.Fatalf("Old directory still exists.")
-		}
-	})
-}