test(zfspv): minikube setup for travis

to run integration test cases

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

tests/pvc/persistentvolumeclaim.go

@@ -0,0 +1,116 @@
+// 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 pvc
+
+import (
+	"strings"
+
+	corev1 "k8s.io/api/core/v1"
+)
+
+// PVC is a wrapper over persistentvolumeclaim api
+// object. It provides build, validations and other common
+// logic to be used by various feature specific callers.
+type PVC struct {
+	object *corev1.PersistentVolumeClaim
+}
+
+// PVCList is a wrapper over persistentvolumeclaim api
+// object. It provides build, validations and other common
+// logic to be used by various feature specific callers.
+type PVCList struct {
+	items []*PVC
+}
+
+// Len returns the number of items present
+// in the PVCList
+func (p *PVCList) Len() int {
+	return len(p.items)
+}
+
+// ToAPIList converts PVCList to API PVCList
+func (p *PVCList) ToAPIList() *corev1.PersistentVolumeClaimList {
+	plist := &corev1.PersistentVolumeClaimList{}
+	for _, pvc := range p.items {
+		plist.Items = append(plist.Items, *pvc.object)
+	}
+	return plist
+}
+
+type pvcBuildOption func(*PVC)
+
+// NewForAPIObject returns a new instance of PVC
+func NewForAPIObject(obj *corev1.PersistentVolumeClaim, opts ...pvcBuildOption) *PVC {
+	p := &PVC{object: obj}
+	for _, o := range opts {
+		o(p)
+	}
+	return p
+}
+
+// Predicate defines an abstraction
+// to determine conditional checks
+// against the provided pvc instance
+type Predicate func(*PVC) bool
+
+// IsBound returns true if the pvc is bounded
+func (p *PVC) IsBound() bool {
+	return p.object.Status.Phase == corev1.ClaimBound
+}
+
+// IsBound is a predicate to filter out pvcs
+// which is bounded
+func IsBound() Predicate {
+	return func(p *PVC) bool {
+		return p.IsBound()
+	}
+}
+
+// IsNil returns true if the PVC instance
+// is nil
+func (p *PVC) IsNil() bool {
+	return p.object == nil
+}
+
+// IsNil is predicate to filter out nil PVC
+// instances
+func IsNil() Predicate {
+	return func(p *PVC) bool {
+		return p.IsNil()
+	}
+}
+
+// ContainsName is filter function to filter pvc's
+// based on the name
+func ContainsName(name string) Predicate {
+	return func(p *PVC) bool {
+		return strings.Contains(p.object.GetName(), name)
+	}
+}
+
+// PredicateList holds a list of predicate
+type PredicateList []Predicate
+
+// all returns true if all the predicates
+// succeed against the provided pvc
+// instance
+func (l PredicateList) all(p *PVC) bool {
+	for _, pred := range l {
+		if !pred(p) {
+			return false
+		}
+	}
+	return true
+}