test(zfspv): minikube setup for travis

to run integration test cases

Signed-off-by: Pawan <pawan@mayadata.io>

tests/sc/storageclass.go

@@ -0,0 +1,73 @@
+/*
+Copyright 2019 The OpenEBS 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 sc
+
+import (
+	storagev1 "k8s.io/api/storage/v1"
+)
+
+// StorageClass is a wrapper over API based
+// storage class instance
+type StorageClass struct {
+	object *storagev1.StorageClass
+}
+
+// StorageClassList holds the list of StorageClass instances
+type StorageClassList struct {
+	items []*StorageClass
+}
+
+// Predicate defines an abstraction
+// to determine conditional checks
+// against the provided StorageClass instance
+type Predicate func(*StorageClass) bool
+
+// predicateList holds the list of predicates
+type predicateList []Predicate
+
+// ToAPIList converts StorageClassList to API StorageClassList
+func (scl *StorageClassList) ToAPIList() *storagev1.StorageClassList {
+	sclist := &storagev1.StorageClassList{}
+	for _, sc := range scl.items {
+		sc := sc // Pin it
+		sclist.Items = append(sclist.Items, *sc.object)
+	}
+	return sclist
+}
+
+// all returns true if all the predicateList
+// succeed against the provided StorageClass
+// instance
+func (l predicateList) all(sc *StorageClass) bool {
+	for _, pred := range l {
+		if !pred(sc) {
+			return false
+		}
+	}
+	return true
+}
+
+// Len returns the number of items present in the StorageClassList
+func (scl *StorageClassList) Len() int {
+	return len(scl.items)
+}
+
+// NewForAPIObject returns a new instance of StorageClass
+func NewForAPIObject(obj *storagev1.StorageClass) *StorageClass {
+	sc := &StorageClass{object: obj}
+	return sc
+}