Bumping k8s dependencies to 1.13

vendor/k8s.io/client-go/dynamic/dynamicinformer/informer.go

@@ -0,0 +1,155 @@
+/*
+Copyright 2018 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 dynamicinformer
+
+import (
+	"sync"
+	"time"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/watch"
+	"k8s.io/client-go/dynamic"
+	"k8s.io/client-go/dynamic/dynamiclister"
+	"k8s.io/client-go/informers"
+	"k8s.io/client-go/tools/cache"
+)
+
+// NewDynamicSharedInformerFactory constructs a new instance of dynamicSharedInformerFactory for all namespaces.
+func NewDynamicSharedInformerFactory(client dynamic.Interface, defaultResync time.Duration) DynamicSharedInformerFactory {
+	return NewFilteredDynamicSharedInformerFactory(client, defaultResync, metav1.NamespaceAll, nil)
+}
+
+// NewFilteredDynamicSharedInformerFactory constructs a new instance of dynamicSharedInformerFactory.
+// Listers obtained via this factory will be subject to the same filters as specified here.
+func NewFilteredDynamicSharedInformerFactory(client dynamic.Interface, defaultResync time.Duration, namespace string, tweakListOptions TweakListOptionsFunc) DynamicSharedInformerFactory {
+	return &dynamicSharedInformerFactory{
+		client:           client,
+		defaultResync:    defaultResync,
+		namespace:        metav1.NamespaceAll,
+		informers:        map[schema.GroupVersionResource]informers.GenericInformer{},
+		startedInformers: make(map[schema.GroupVersionResource]bool),
+	}
+}
+
+type dynamicSharedInformerFactory struct {
+	client        dynamic.Interface
+	defaultResync time.Duration
+	namespace     string
+
+	lock      sync.Mutex
+	informers map[schema.GroupVersionResource]informers.GenericInformer
+	// startedInformers is used for tracking which informers have been started.
+	// This allows Start() to be called multiple times safely.
+	startedInformers map[schema.GroupVersionResource]bool
+}
+
+var _ DynamicSharedInformerFactory = &dynamicSharedInformerFactory{}
+
+func (f *dynamicSharedInformerFactory) ForResource(gvr schema.GroupVersionResource) informers.GenericInformer {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	key := gvr
+	informer, exists := f.informers[key]
+	if exists {
+		return informer
+	}
+
+	informer = NewFilteredDynamicInformer(f.client, gvr, f.namespace, f.defaultResync, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, nil)
+	f.informers[key] = informer
+
+	return informer
+}
+
+// Start initializes all requested informers.
+func (f *dynamicSharedInformerFactory) Start(stopCh <-chan struct{}) {
+	f.lock.Lock()
+	defer f.lock.Unlock()
+
+	for informerType, informer := range f.informers {
+		if !f.startedInformers[informerType] {
+			go informer.Informer().Run(stopCh)
+			f.startedInformers[informerType] = true
+		}
+	}
+}
+
+// WaitForCacheSync waits for all started informers' cache were synced.
+func (f *dynamicSharedInformerFactory) WaitForCacheSync(stopCh <-chan struct{}) map[schema.GroupVersionResource]bool {
+	informers := func() map[schema.GroupVersionResource]cache.SharedIndexInformer {
+		f.lock.Lock()
+		defer f.lock.Unlock()
+
+		informers := map[schema.GroupVersionResource]cache.SharedIndexInformer{}
+		for informerType, informer := range f.informers {
+			if f.startedInformers[informerType] {
+				informers[informerType] = informer.Informer()
+			}
+		}
+		return informers
+	}()
+
+	res := map[schema.GroupVersionResource]bool{}
+	for informType, informer := range informers {
+		res[informType] = cache.WaitForCacheSync(stopCh, informer.HasSynced)
+	}
+	return res
+}
+
+// NewFilteredDynamicInformer constructs a new informer for a dynamic type.
+func NewFilteredDynamicInformer(client dynamic.Interface, gvr schema.GroupVersionResource, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions TweakListOptionsFunc) informers.GenericInformer {
+	return &dynamicInformer{
+		gvr: gvr,
+		informer: cache.NewSharedIndexInformer(
+			&cache.ListWatch{
+				ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
+					if tweakListOptions != nil {
+						tweakListOptions(&options)
+					}
+					return client.Resource(gvr).Namespace(namespace).List(options)
+				},
+				WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
+					if tweakListOptions != nil {
+						tweakListOptions(&options)
+					}
+					return client.Resource(gvr).Namespace(namespace).Watch(options)
+				},
+			},
+			&unstructured.Unstructured{},
+			resyncPeriod,
+			indexers,
+		),
+	}
+}
+
+type dynamicInformer struct {
+	informer cache.SharedIndexInformer
+	gvr      schema.GroupVersionResource
+}
+
+var _ informers.GenericInformer = &dynamicInformer{}
+
+func (d *dynamicInformer) Informer() cache.SharedIndexInformer {
+	return d.informer
+}
+
+func (d *dynamicInformer) Lister() cache.GenericLister {
+	return dynamiclister.NewRuntimeObjectShim(dynamiclister.New(d.informer.GetIndexer(), d.gvr))
+}

vendor/k8s.io/client-go/dynamic/dynamicinformer/informer_test.go

@@ -0,0 +1,160 @@
+/*
+Copyright 2018 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 dynamicinformer_test
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"k8s.io/apimachinery/pkg/api/equality"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/diff"
+	"k8s.io/client-go/dynamic/dynamicinformer"
+	"k8s.io/client-go/dynamic/fake"
+	"k8s.io/client-go/tools/cache"
+)
+
+func TestDynamicSharedInformerFactory(t *testing.T) {
+	scenarios := []struct {
+		name        string
+		existingObj *unstructured.Unstructured
+		gvr         schema.GroupVersionResource
+		ns          string
+		trigger     func(gvr schema.GroupVersionResource, ns string, fakeClient *fake.FakeDynamicClient, testObject *unstructured.Unstructured) *unstructured.Unstructured
+		handler     func(rcvCh chan<- *unstructured.Unstructured) *cache.ResourceEventHandlerFuncs
+	}{
+		// scenario 1
+		{
+			name: "scenario 1: test if adding an object triggers AddFunc",
+			ns:   "ns-foo",
+			gvr:  schema.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "deployments"},
+			trigger: func(gvr schema.GroupVersionResource, ns string, fakeClient *fake.FakeDynamicClient, _ *unstructured.Unstructured) *unstructured.Unstructured {
+				testObject := newUnstructured("extensions/v1beta1", "Deployment", "ns-foo", "name-foo")
+				createdObj, err := fakeClient.Resource(gvr).Namespace(ns).Create(testObject, metav1.CreateOptions{})
+				if err != nil {
+					t.Error(err)
+				}
+				return createdObj
+			},
+			handler: func(rcvCh chan<- *unstructured.Unstructured) *cache.ResourceEventHandlerFuncs {
+				return &cache.ResourceEventHandlerFuncs{
+					AddFunc: func(obj interface{}) {
+						rcvCh <- obj.(*unstructured.Unstructured)
+					},
+				}
+			},
+		},
+
+		// scenario 2
+		{
+			name:        "scenario 2: tests if updating an object triggers UpdateFunc",
+			ns:          "ns-foo",
+			gvr:         schema.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "deployments"},
+			existingObj: newUnstructured("extensions/v1beta1", "Deployment", "ns-foo", "name-foo"),
+			trigger: func(gvr schema.GroupVersionResource, ns string, fakeClient *fake.FakeDynamicClient, testObject *unstructured.Unstructured) *unstructured.Unstructured {
+				testObject.Object["spec"] = "updatedName"
+				updatedObj, err := fakeClient.Resource(gvr).Namespace(ns).Update(testObject, metav1.UpdateOptions{})
+				if err != nil {
+					t.Error(err)
+				}
+				return updatedObj
+			},
+			handler: func(rcvCh chan<- *unstructured.Unstructured) *cache.ResourceEventHandlerFuncs {
+				return &cache.ResourceEventHandlerFuncs{
+					UpdateFunc: func(old, updated interface{}) {
+						rcvCh <- updated.(*unstructured.Unstructured)
+					},
+				}
+			},
+		},
+
+		// scenario 3
+		{
+			name:        "scenario 3: test if deleting an object triggers DeleteFunc",
+			ns:          "ns-foo",
+			gvr:         schema.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "deployments"},
+			existingObj: newUnstructured("extensions/v1beta1", "Deployment", "ns-foo", "name-foo"),
+			trigger: func(gvr schema.GroupVersionResource, ns string, fakeClient *fake.FakeDynamicClient, testObject *unstructured.Unstructured) *unstructured.Unstructured {
+				err := fakeClient.Resource(gvr).Namespace(ns).Delete(testObject.GetName(), &metav1.DeleteOptions{})
+				if err != nil {
+					t.Error(err)
+				}
+				return testObject
+			},
+			handler: func(rcvCh chan<- *unstructured.Unstructured) *cache.ResourceEventHandlerFuncs {
+				return &cache.ResourceEventHandlerFuncs{
+					DeleteFunc: func(obj interface{}) {
+						rcvCh <- obj.(*unstructured.Unstructured)
+					},
+				}
+			},
+		},
+	}
+
+	for _, ts := range scenarios {
+		t.Run(ts.name, func(t *testing.T) {
+			// test data
+			timeout := time.Duration(3 * time.Second)
+			ctx, cancel := context.WithTimeout(context.Background(), timeout)
+			defer cancel()
+			scheme := runtime.NewScheme()
+			informerReciveObjectCh := make(chan *unstructured.Unstructured, 1)
+			objs := []runtime.Object{}
+			if ts.existingObj != nil {
+				objs = append(objs, ts.existingObj)
+			}
+			fakeClient := fake.NewSimpleDynamicClient(scheme, objs...)
+			target := dynamicinformer.NewDynamicSharedInformerFactory(fakeClient, 0)
+
+			// act
+			informerListerForGvr := target.ForResource(ts.gvr)
+			informerListerForGvr.Informer().AddEventHandler(ts.handler(informerReciveObjectCh))
+			target.Start(ctx.Done())
+			if synced := target.WaitForCacheSync(ctx.Done()); !synced[ts.gvr] {
+				t.Errorf("informer for %s hasn't synced", ts.gvr)
+			}
+
+			testObject := ts.trigger(ts.gvr, ts.ns, fakeClient, ts.existingObj)
+			select {
+			case objFromInformer := <-informerReciveObjectCh:
+				if !equality.Semantic.DeepEqual(testObject, objFromInformer) {
+					t.Fatalf("%v", diff.ObjectDiff(testObject, objFromInformer))
+				}
+			case <-ctx.Done():
+				t.Errorf("tested informer haven't received an object, waited %v", timeout)
+			}
+		})
+	}
+}
+
+func newUnstructured(apiVersion, kind, namespace, name string) *unstructured.Unstructured {
+	return &unstructured.Unstructured{
+		Object: map[string]interface{}{
+			"apiVersion": apiVersion,
+			"kind":       kind,
+			"metadata": map[string]interface{}{
+				"namespace": namespace,
+				"name":      name,
+			},
+			"spec": name,
+		},
+	}
+}

vendor/k8s.io/client-go/dynamic/dynamicinformer/interface.go

@@ -0,0 +1,34 @@
+/*
+Copyright 2018 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 dynamicinformer
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/informers"
+)
+
+// DynamicSharedInformerFactory provides access to a shared informer and lister for dynamic client
+type DynamicSharedInformerFactory interface {
+	Start(stopCh <-chan struct{})
+	ForResource(gvr schema.GroupVersionResource) informers.GenericInformer
+	WaitForCacheSync(stopCh <-chan struct{}) map[schema.GroupVersionResource]bool
+}
+
+// TweakListOptionsFunc defines the signature of a helper function
+// that wants to provide more listing options to API
+type TweakListOptionsFunc func(*metav1.ListOptions)

vendor/k8s.io/client-go/dynamic/dynamiclister/interface.go

@@ -0,0 +1,40 @@
+/*
+Copyright 2018 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 dynamiclister
+
+import (
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/labels"
+)
+
+// Lister helps list resources.
+type Lister interface {
+	// List lists all resources in the indexer.
+	List(selector labels.Selector) (ret []*unstructured.Unstructured, err error)
+	// Get retrieves a resource from the indexer with the given name
+	Get(name string) (*unstructured.Unstructured, error)
+	// Namespace returns an object that can list and get resources in a given namespace.
+	Namespace(namespace string) NamespaceLister
+}
+
+// NamespaceLister helps list and get resources.
+type NamespaceLister interface {
+	// List lists all resources in the indexer for a given namespace.
+	List(selector labels.Selector) (ret []*unstructured.Unstructured, err error)
+	// Get retrieves a resource from the indexer for a given namespace and name.
+	Get(name string) (*unstructured.Unstructured, error)
+}

vendor/k8s.io/client-go/dynamic/dynamiclister/lister.go

@@ -0,0 +1,91 @@
+/*
+Copyright 2018 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 dynamiclister
+
+import (
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/client-go/tools/cache"
+)
+
+var _ Lister = &dynamicLister{}
+var _ NamespaceLister = &dynamicNamespaceLister{}
+
+// dynamicLister implements the Lister interface.
+type dynamicLister struct {
+	indexer cache.Indexer
+	gvr     schema.GroupVersionResource
+}
+
+// New returns a new Lister.
+func New(indexer cache.Indexer, gvr schema.GroupVersionResource) Lister {
+	return &dynamicLister{indexer: indexer, gvr: gvr}
+}
+
+// List lists all resources in the indexer.
+func (l *dynamicLister) List(selector labels.Selector) (ret []*unstructured.Unstructured, err error) {
+	err = cache.ListAll(l.indexer, selector, func(m interface{}) {
+		ret = append(ret, m.(*unstructured.Unstructured))
+	})
+	return ret, err
+}
+
+// Get retrieves a resource from the indexer with the given name
+func (l *dynamicLister) Get(name string) (*unstructured.Unstructured, error) {
+	obj, exists, err := l.indexer.GetByKey(name)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, errors.NewNotFound(l.gvr.GroupResource(), name)
+	}
+	return obj.(*unstructured.Unstructured), nil
+}
+
+// Namespace returns an object that can list and get resources from a given namespace.
+func (l *dynamicLister) Namespace(namespace string) NamespaceLister {
+	return &dynamicNamespaceLister{indexer: l.indexer, namespace: namespace, gvr: l.gvr}
+}
+
+// dynamicNamespaceLister implements the NamespaceLister interface.
+type dynamicNamespaceLister struct {
+	indexer   cache.Indexer
+	namespace string
+	gvr       schema.GroupVersionResource
+}
+
+// List lists all resources in the indexer for a given namespace.
+func (l *dynamicNamespaceLister) List(selector labels.Selector) (ret []*unstructured.Unstructured, err error) {
+	err = cache.ListAllByNamespace(l.indexer, l.namespace, selector, func(m interface{}) {
+		ret = append(ret, m.(*unstructured.Unstructured))
+	})
+	return ret, err
+}
+
+// Get retrieves a resource from the indexer for a given namespace and name.
+func (l *dynamicNamespaceLister) Get(name string) (*unstructured.Unstructured, error) {
+	obj, exists, err := l.indexer.GetByKey(l.namespace + "/" + name)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, errors.NewNotFound(l.gvr.GroupResource(), name)
+	}
+	return obj.(*unstructured.Unstructured), nil
+}

vendor/k8s.io/client-go/dynamic/dynamiclister/lister_test.go

@@ -0,0 +1,257 @@
+/*
+Copyright 2018 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 dynamiclister_test
+
+import (
+	"reflect"
+	"testing"
+
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/diff"
+	"k8s.io/client-go/dynamic/dynamiclister"
+	"k8s.io/client-go/tools/cache"
+)
+
+func TestNamespaceGetMethod(t *testing.T) {
+	tests := []struct {
+		name            string
+		existingObjects []runtime.Object
+		namespaceToSync string
+		gvrToSync       schema.GroupVersionResource
+		objectToGet     string
+		expectedObject  *unstructured.Unstructured
+		expectError     bool
+	}{
+		{
+			name: "scenario 1: gets name-foo1 resource from the indexer from ns-foo namespace",
+			existingObjects: []runtime.Object{
+				newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
+				newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
+				newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
+			},
+			namespaceToSync: "ns-foo",
+			gvrToSync:       schema.GroupVersionResource{Group: "group", Version: "version", Resource: "TheKinds"},
+			objectToGet:     "name-foo1",
+			expectedObject:  newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
+		},
+		{
+			name: "scenario 2: gets name-foo-non-existing resource from the indexer from ns-foo namespace",
+			existingObjects: []runtime.Object{
+				newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
+				newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
+				newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
+			},
+			namespaceToSync: "ns-foo",
+			gvrToSync:       schema.GroupVersionResource{Group: "group", Version: "version", Resource: "TheKinds"},
+			objectToGet:     "name-foo-non-existing",
+			expectError:     true,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			// test data
+			indexer := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{})
+			for _, obj := range test.existingObjects {
+				err := indexer.Add(obj)
+				if err != nil {
+					t.Fatal(err)
+				}
+			}
+			// act
+			target := dynamiclister.New(indexer, test.gvrToSync).Namespace(test.namespaceToSync)
+			actualObject, err := target.Get(test.objectToGet)
+
+			// validate
+			if test.expectError {
+				if err == nil {
+					t.Fatal("expected to get an error but non was returned")
+				}
+				return
+			}
+			if err != nil {
+				t.Fatal(err)
+			}
+			if !reflect.DeepEqual(test.expectedObject, actualObject) {
+				t.Fatalf("unexpected object has been returned expected = %v actual = %v, diff = %v", test.expectedObject, actualObject, diff.ObjectDiff(test.expectedObject, actualObject))
+			}
+		})
+	}
+}
+
+func TestNamespaceListMethod(t *testing.T) {
+	// test data
+	objs := []runtime.Object{
+		newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
+		newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
+		newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
+	}
+	indexer := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{})
+	for _, obj := range objs {
+		err := indexer.Add(obj)
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+	expectedOutput := []*unstructured.Unstructured{
+		newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
+		newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
+	}
+	namespaceToList := "ns-foo"
+
+	// act
+	target := dynamiclister.New(indexer, schema.GroupVersionResource{Group: "group", Version: "version", Resource: "TheKinds"}).Namespace(namespaceToList)
+	actualOutput, err := target.List(labels.Everything())
+
+	// validate
+	if err != nil {
+		t.Fatal(err)
+	}
+	assertListOrDie(expectedOutput, actualOutput, t)
+}
+
+func TestListerGetMethod(t *testing.T) {
+	tests := []struct {
+		name            string
+		existingObjects []runtime.Object
+		namespaceToSync string
+		gvrToSync       schema.GroupVersionResource
+		objectToGet     string
+		expectedObject  *unstructured.Unstructured
+		expectError     bool
+	}{
+		{
+			name: "scenario 1: gets name-foo1 resource from the indexer",
+			existingObjects: []runtime.Object{
+				newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
+				newUnstructured("group/version", "TheKind", "", "name-foo1"),
+				newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
+			},
+			namespaceToSync: "",
+			gvrToSync:       schema.GroupVersionResource{Group: "group", Version: "version", Resource: "TheKinds"},
+			objectToGet:     "name-foo1",
+			expectedObject:  newUnstructured("group/version", "TheKind", "", "name-foo1"),
+		},
+		{
+			name: "scenario 2: doesn't get name-foo resource from the indexer from ns-foo namespace",
+			existingObjects: []runtime.Object{
+				newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
+				newUnstructured("group/version", "TheKind", "ns-foo", "name-foo1"),
+				newUnstructured("group/version", "TheKind", "ns-bar", "name-bar"),
+			},
+			namespaceToSync: "ns-foo",
+			gvrToSync:       schema.GroupVersionResource{Group: "group", Version: "version", Resource: "TheKinds"},
+			objectToGet:     "name-foo",
+			expectError:     true,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			// test data
+			indexer := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{})
+			for _, obj := range test.existingObjects {
+				err := indexer.Add(obj)
+				if err != nil {
+					t.Fatal(err)
+				}
+			}
+			// act
+			target := dynamiclister.New(indexer, test.gvrToSync)
+			actualObject, err := target.Get(test.objectToGet)
+
+			// validate
+			if test.expectError {
+				if err == nil {
+					t.Fatal("expected to get an error but non was returned")
+				}
+				return
+			}
+			if err != nil {
+				t.Fatal(err)
+			}
+			if !reflect.DeepEqual(test.expectedObject, actualObject) {
+				t.Fatalf("unexpected object has been returned expected = %v actual = %v, diff = %v", test.expectedObject, actualObject, diff.ObjectDiff(test.expectedObject, actualObject))
+			}
+		})
+	}
+}
+
+func TestListerListMethod(t *testing.T) {
+	// test data
+	objs := []runtime.Object{
+		newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
+		newUnstructured("group/version", "TheKind", "ns-foo", "name-bar"),
+	}
+	indexer := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{})
+	for _, obj := range objs {
+		err := indexer.Add(obj)
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+	expectedOutput := []*unstructured.Unstructured{
+		newUnstructured("group/version", "TheKind", "ns-foo", "name-foo"),
+		newUnstructured("group/version", "TheKind", "ns-foo", "name-bar"),
+	}
+
+	// act
+	target := dynamiclister.New(indexer, schema.GroupVersionResource{Group: "group", Version: "version", Resource: "TheKinds"})
+	actualOutput, err := target.List(labels.Everything())
+
+	// validate
+	if err != nil {
+		t.Fatal(err)
+	}
+	assertListOrDie(expectedOutput, actualOutput, t)
+}
+
+func newUnstructured(apiVersion, kind, namespace, name string) *unstructured.Unstructured {
+	return &unstructured.Unstructured{
+		Object: map[string]interface{}{
+			"apiVersion": apiVersion,
+			"kind":       kind,
+			"metadata": map[string]interface{}{
+				"namespace": namespace,
+				"name":      name,
+			},
+		},
+	}
+}
+
+func assertListOrDie(expected, actual []*unstructured.Unstructured, t *testing.T) {
+	if len(actual) != len(expected) {
+		t.Fatalf("unexpected number of items returned, expected = %d, actual = %d", len(expected), len(actual))
+	}
+	for _, expectedObject := range expected {
+		found := false
+		for _, actualObject := range actual {
+			if actualObject.GetName() == expectedObject.GetName() {
+				if !reflect.DeepEqual(expectedObject, actualObject) {
+					t.Fatalf("unexpected object has been returned expected = %v actual = %v, diff = %v", expectedObject, actualObject, diff.ObjectDiff(expectedObject, actualObject))
+				}
+				found = true
+			}
+		}
+		if !found {
+			t.Fatalf("the resource with the name = %s was not found in the returned output", expectedObject.GetName())
+		}
+	}
+}

vendor/k8s.io/client-go/dynamic/dynamiclister/shim.go

@@ -0,0 +1,87 @@
+/*
+Copyright 2018 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 dynamiclister
+
+import (
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/client-go/tools/cache"
+)
+
+var _ cache.GenericLister = &dynamicListerShim{}
+var _ cache.GenericNamespaceLister = &dynamicNamespaceListerShim{}
+
+// dynamicListerShim implements the cache.GenericLister interface.
+type dynamicListerShim struct {
+	lister Lister
+}
+
+// NewRuntimeObjectShim returns a new shim for Lister.
+// It wraps Lister so that it implements cache.GenericLister interface
+func NewRuntimeObjectShim(lister Lister) cache.GenericLister {
+	return &dynamicListerShim{lister: lister}
+}
+
+// List will return all objects across namespaces
+func (s *dynamicListerShim) List(selector labels.Selector) (ret []runtime.Object, err error) {
+	objs, err := s.lister.List(selector)
+	if err != nil {
+		return nil, err
+	}
+
+	ret = make([]runtime.Object, len(objs))
+	for index, obj := range objs {
+		ret[index] = obj
+	}
+	return ret, err
+}
+
+// Get will attempt to retrieve assuming that name==key
+func (s *dynamicListerShim) Get(name string) (runtime.Object, error) {
+	return s.lister.Get(name)
+}
+
+func (s *dynamicListerShim) ByNamespace(namespace string) cache.GenericNamespaceLister {
+	return &dynamicNamespaceListerShim{
+		namespaceLister: s.lister.Namespace(namespace),
+	}
+}
+
+// dynamicNamespaceListerShim implements the NamespaceLister interface.
+// It wraps NamespaceLister so that it implements cache.GenericNamespaceLister interface
+type dynamicNamespaceListerShim struct {
+	namespaceLister NamespaceLister
+}
+
+// List will return all objects in this namespace
+func (ns *dynamicNamespaceListerShim) List(selector labels.Selector) (ret []runtime.Object, err error) {
+	objs, err := ns.namespaceLister.List(selector)
+	if err != nil {
+		return nil, err
+	}
+
+	ret = make([]runtime.Object, len(objs))
+	for index, obj := range objs {
+		ret[index] = obj
+	}
+	return ret, err
+}
+
+// Get will attempt to retrieve by namespace and name
+func (ns *dynamicNamespaceListerShim) Get(name string) (runtime.Object, error) {
+	return ns.namespaceLister.Get(name)
+}

vendor/k8s.io/client-go/dynamic/fake/simple.go

@@ -45,7 +45,7 @@ func NewSimpleDynamicClient(scheme *runtime.Scheme, objects ...runtime.Object) *
 		}
 	}
 
-	cs := &FakeDynamicClient{}
+	cs := &FakeDynamicClient{scheme: scheme}
 	cs.AddReactor("*", "*", testing.ObjectReaction(o))
 	cs.AddWatchReactor("*", func(action testing.Action) (handled bool, ret watch.Interface, err error) {
 		gvr := action.GetResource()
@@ -331,25 +331,26 @@ func (c *dynamicResourceClient) Watch(opts metav1.ListOptions) (watch.Interface,
 	panic("math broke")
 }
 
+// TODO: opts are currently ignored.
 func (c *dynamicResourceClient) Patch(name string, pt types.PatchType, data []byte, opts metav1.UpdateOptions, subresources ...string) (*unstructured.Unstructured, error) {
 	var uncastRet runtime.Object
 	var err error
 	switch {
 	case len(c.namespace) == 0 && len(subresources) == 0:
 		uncastRet, err = c.client.Fake.
-			Invokes(testing.NewRootPatchAction(c.resource, name, data), &metav1.Status{Status: "dynamic patch fail"})
+			Invokes(testing.NewRootPatchAction(c.resource, name, pt, data), &metav1.Status{Status: "dynamic patch fail"})
 
 	case len(c.namespace) == 0 && len(subresources) > 0:
 		uncastRet, err = c.client.Fake.
-			Invokes(testing.NewRootPatchSubresourceAction(c.resource, name, data, subresources...), &metav1.Status{Status: "dynamic patch fail"})
+			Invokes(testing.NewRootPatchSubresourceAction(c.resource, name, pt, data, subresources...), &metav1.Status{Status: "dynamic patch fail"})
 
 	case len(c.namespace) > 0 && len(subresources) == 0:
 		uncastRet, err = c.client.Fake.
-			Invokes(testing.NewPatchAction(c.resource, c.namespace, name, data), &metav1.Status{Status: "dynamic patch fail"})
+			Invokes(testing.NewPatchAction(c.resource, c.namespace, name, pt, data), &metav1.Status{Status: "dynamic patch fail"})
 
 	case len(c.namespace) > 0 && len(subresources) > 0:
 		uncastRet, err = c.client.Fake.
-			Invokes(testing.NewPatchSubresourceAction(c.resource, c.namespace, name, data, subresources...), &metav1.Status{Status: "dynamic patch fail"})
+			Invokes(testing.NewPatchSubresourceAction(c.resource, c.namespace, name, pt, data, subresources...), &metav1.Status{Status: "dynamic patch fail"})
 
 	}
 

vendor/k8s.io/client-go/dynamic/fake/simple_test.go

@@ -17,6 +17,7 @@ limitations under the License.
 package fake
 
 import (
+	"fmt"
 	"testing"
 
 	"k8s.io/apimachinery/pkg/api/equality"
@@ -24,9 +25,20 @@ import (
 	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/apimachinery/pkg/util/diff"
 )
 
+const (
+	testGroup      = "testgroup"
+	testVersion    = "testversion"
+	testResource   = "testkinds"
+	testNamespace  = "testns"
+	testName       = "testname"
+	testKind       = "TestKind"
+	testAPIVersion = "testgroup/testversion"
+)
+
 func newUnstructured(apiVersion, kind, namespace, name string) *unstructured.Unstructured {
 	return &unstructured.Unstructured{
 		Object: map[string]interface{}{
@@ -40,6 +52,12 @@ func newUnstructured(apiVersion, kind, namespace, name string) *unstructured.Uns
 	}
 }
 
+func newUnstructuredWithSpec(spec map[string]interface{}) *unstructured.Unstructured {
+	u := newUnstructured(testAPIVersion, testKind, testNamespace, testName)
+	u.Object["spec"] = spec
+	return u
+}
+
 func TestList(t *testing.T) {
 	scheme := runtime.NewScheme()
 
@@ -64,3 +82,116 @@ func TestList(t *testing.T) {
 		t.Fatal(diff.ObjectGoPrintDiff(expected, listFirst.Items))
 	}
 }
+
+type patchTestCase struct {
+	name                  string
+	object                runtime.Object
+	patchType             types.PatchType
+	patchBytes            []byte
+	wantErrMsg            string
+	expectedPatchedObject runtime.Object
+}
+
+func (tc *patchTestCase) runner(t *testing.T) {
+	client := NewSimpleDynamicClient(runtime.NewScheme(), tc.object)
+	resourceInterface := client.Resource(schema.GroupVersionResource{Group: testGroup, Version: testVersion, Resource: testResource}).Namespace(testNamespace)
+
+	got, recErr := resourceInterface.Patch(testName, tc.patchType, tc.patchBytes, metav1.UpdateOptions{})
+
+	if err := tc.verifyErr(recErr); err != nil {
+		t.Error(err)
+	}
+
+	if err := tc.verifyResult(got); err != nil {
+		t.Error(err)
+	}
+
+}
+
+// verifyErr verifies that the given error returned from Patch is the error
+// expected by the test case.
+func (tc *patchTestCase) verifyErr(err error) error {
+	if tc.wantErrMsg != "" && err == nil {
+		return fmt.Errorf("want error, got nil")
+	}
+
+	if tc.wantErrMsg == "" && err != nil {
+		return fmt.Errorf("want no error, got %v", err)
+	}
+
+	if err != nil {
+		if want, got := tc.wantErrMsg, err.Error(); want != got {
+			return fmt.Errorf("incorrect error: want: %q got: %q", want, got)
+		}
+	}
+	return nil
+}
+
+func (tc *patchTestCase) verifyResult(result *unstructured.Unstructured) error {
+	if tc.expectedPatchedObject == nil && result == nil {
+		return nil
+	}
+	if !equality.Semantic.DeepEqual(result, tc.expectedPatchedObject) {
+		return fmt.Errorf("unexpected diff in received object: %s", diff.ObjectGoPrintDiff(tc.expectedPatchedObject, result))
+	}
+	return nil
+}
+
+func TestPatch(t *testing.T) {
+	testCases := []patchTestCase{
+		{
+			name:       "jsonpatch fails with merge type",
+			object:     newUnstructuredWithSpec(map[string]interface{}{"foo": "bar"}),
+			patchType:  types.StrategicMergePatchType,
+			patchBytes: []byte(`[]`),
+			wantErrMsg: "invalid JSON document",
+		}, {
+			name:      "jsonpatch works with empty patch",
+			object:    newUnstructuredWithSpec(map[string]interface{}{"foo": "bar"}),
+			patchType: types.JSONPatchType,
+			// No-op
+			patchBytes:            []byte(`[]`),
+			expectedPatchedObject: newUnstructuredWithSpec(map[string]interface{}{"foo": "bar"}),
+		}, {
+			name:      "jsonpatch works with simple change patch",
+			object:    newUnstructuredWithSpec(map[string]interface{}{"foo": "bar"}),
+			patchType: types.JSONPatchType,
+			// change spec.foo from bar to foobar
+			patchBytes:            []byte(`[{"op": "replace", "path": "/spec/foo", "value": "foobar"}]`),
+			expectedPatchedObject: newUnstructuredWithSpec(map[string]interface{}{"foo": "foobar"}),
+		}, {
+			name:      "jsonpatch works with simple addition",
+			object:    newUnstructuredWithSpec(map[string]interface{}{"foo": "bar"}),
+			patchType: types.JSONPatchType,
+			// add spec.newvalue = dummy
+			patchBytes:            []byte(`[{"op": "add", "path": "/spec/newvalue", "value": "dummy"}]`),
+			expectedPatchedObject: newUnstructuredWithSpec(map[string]interface{}{"foo": "bar", "newvalue": "dummy"}),
+		}, {
+			name:      "jsonpatch works with simple deletion",
+			object:    newUnstructuredWithSpec(map[string]interface{}{"foo": "bar", "toremove": "shouldnotbehere"}),
+			patchType: types.JSONPatchType,
+			// remove spec.newvalue = dummy
+			patchBytes:            []byte(`[{"op": "remove", "path": "/spec/toremove"}]`),
+			expectedPatchedObject: newUnstructuredWithSpec(map[string]interface{}{"foo": "bar"}),
+		}, {
+			name:      "strategic merge patch fails with JSONPatch",
+			object:    newUnstructuredWithSpec(map[string]interface{}{"foo": "bar"}),
+			patchType: types.StrategicMergePatchType,
+			// add spec.newvalue = dummy
+			patchBytes: []byte(`[{"op": "add", "path": "/spec/newvalue", "value": "dummy"}]`),
+			wantErrMsg: "invalid JSON document",
+		}, {
+			name:       "merge patch fails as unsupported",
+			object:     newUnstructured(testAPIVersion, testKind, testNamespace, testName),
+			patchType:  types.MergePatchType,
+			patchBytes: []byte(`{}`),
+			wantErrMsg: "PatchType is not supported",
+		},
+		// TODO: Add tests for strategic merge using v1.Pod for example to ensure the test cases
+		// demonstrate expected use cases.
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, tc.runner)
+	}
+}