git mv Ingress ingress

controllers/gce/instances/instances_test.go

@@ -0,0 +1,75 @@
+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package instances
+
+import (
+	"testing"
+
+	"k8s.io/kubernetes/pkg/util/sets"
+)
+
+const defaultZone = "default-zone"
+
+func TestNodePoolSync(t *testing.T) {
+	f := NewFakeInstanceGroups(sets.NewString(
+		[]string{"n1", "n2"}...))
+	pool := NewNodePool(f, defaultZone)
+	pool.AddInstanceGroup("test", 80)
+
+	// KubeNodes: n1
+	// GCENodes: n1, n2
+	// Remove n2 from the instance group.
+
+	f.calls = []int{}
+	kubeNodes := sets.NewString([]string{"n1"}...)
+	pool.Sync(kubeNodes.List())
+	if f.instances.Len() != kubeNodes.Len() || !kubeNodes.IsSuperset(f.instances) {
+		t.Fatalf("%v != %v", kubeNodes, f.instances)
+	}
+
+	// KubeNodes: n1, n2
+	// GCENodes: n1
+	// Try to add n2 to the instance group.
+
+	f = NewFakeInstanceGroups(sets.NewString([]string{"n1"}...))
+	pool = NewNodePool(f, defaultZone)
+	pool.AddInstanceGroup("test", 80)
+
+	f.calls = []int{}
+	kubeNodes = sets.NewString([]string{"n1", "n2"}...)
+	pool.Sync(kubeNodes.List())
+	if f.instances.Len() != kubeNodes.Len() ||
+		!kubeNodes.IsSuperset(f.instances) {
+		t.Fatalf("%v != %v", kubeNodes, f.instances)
+	}
+
+	// KubeNodes: n1, n2
+	// GCENodes: n1, n2
+	// Do nothing.
+
+	f = NewFakeInstanceGroups(sets.NewString([]string{"n1", "n2"}...))
+	pool = NewNodePool(f, defaultZone)
+	pool.AddInstanceGroup("test", 80)
+
+	f.calls = []int{}
+	kubeNodes = sets.NewString([]string{"n1", "n2"}...)
+	pool.Sync(kubeNodes.List())
+	if len(f.calls) != 0 {
+		t.Fatalf(
+			"Did not expect any calls, got %+v", f.calls)
+	}
+}