Add pvc as part of equivalence hash

Use factory to generat get equivalence pod func

plugin/pkg/scheduler/algorithm/predicates/testing_helper.go

@@ -0,0 +1,75 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+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 predicates
+
+import (
+	"fmt"
+
+	"k8s.io/api/core/v1"
+	storagev1 "k8s.io/api/storage/v1"
+)
+
+type FakePersistentVolumeClaimInfo []v1.PersistentVolumeClaim
+
+func (pvcs FakePersistentVolumeClaimInfo) GetPersistentVolumeClaimInfo(namespace string, pvcID string) (*v1.PersistentVolumeClaim, error) {
+	for _, pvc := range pvcs {
+		if pvc.Name == pvcID && pvc.Namespace == namespace {
+			return &pvc, nil
+		}
+	}
+	return nil, fmt.Errorf("Unable to find persistent volume claim: %s/%s", namespace, pvcID)
+}
+
+type FakeNodeInfo v1.Node
+
+func (n FakeNodeInfo) GetNodeInfo(nodeName string) (*v1.Node, error) {
+	node := v1.Node(n)
+	return &node, nil
+}
+
+type FakeNodeListInfo []v1.Node
+
+func (nodes FakeNodeListInfo) GetNodeInfo(nodeName string) (*v1.Node, error) {
+	for _, node := range nodes {
+		if node.Name == nodeName {
+			return &node, nil
+		}
+	}
+	return nil, fmt.Errorf("Unable to find node: %s", nodeName)
+}
+
+type FakePersistentVolumeInfo []v1.PersistentVolume
+
+func (pvs FakePersistentVolumeInfo) GetPersistentVolumeInfo(pvID string) (*v1.PersistentVolume, error) {
+	for _, pv := range pvs {
+		if pv.Name == pvID {
+			return &pv, nil
+		}
+	}
+	return nil, fmt.Errorf("Unable to find persistent volume: %s", pvID)
+}
+
+type FakeStorageClassInfo []storagev1.StorageClass
+
+func (classes FakeStorageClassInfo) GetStorageClassInfo(name string) (*storagev1.StorageClass, error) {
+	for _, sc := range classes {
+		if sc.Name == name {
+			return &sc, nil
+		}
+	}
+	return nil, fmt.Errorf("Unable to find storage class: %s", name)
+}