1 files changed, 17 insertions, 0 deletions
diff --git a/weed/topology/topo_test.go b/weed/topology/topo_test.go
new file mode 100644
index 000000000..9a0dbc6b8
--- /dev/null
+++ b/weed/topology/topo_test.go
@@ -0,0 +1,17 @@
+package topology
+
+import (
+	"testing"
+)
+
+func TestRemoveDataCenter(t *testing.T) {
+	topo := setup(topologyLayout)
+	topo.UnlinkChildNode(NodeId("dc2"))
+	if topo.GetActiveVolumeCount() != 15 {
+		t.Fail()
+	}
+	topo.UnlinkChildNode(NodeId("dc3"))
+	if topo.GetActiveVolumeCount() != 12 {
+		t.Fail()
+	}
+}