Create a new testclient package that can be backed by disk files

Standardize how our fakes are used so that a test case can use a
simpler mechanism for providing large, complex data sets, as well
as represent queries over time.

pkg/client/fake.go

@@ -20,103 +20,10 @@ import (
 	"net/http"
 	"net/url"
 
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/testapi"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/version"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
 )
 
-type FakeAction struct {
-	Action string
-	Value  interface{}
-}
-
-// Fake implements Interface. Meant to be embedded into a struct to get a default
-// implementation. This makes faking out just the method you want to test easier.
-type Fake struct {
-	Actions                   []FakeAction
-	PodsList                  api.PodList
-	CtrlList                  api.ReplicationControllerList
-	Ctrl                      api.ReplicationController
-	ServiceList               api.ServiceList
-	EndpointsList             api.EndpointsList
-	MinionsList               api.NodeList
-	EventsList                api.EventList
-	LimitRangesList           api.LimitRangeList
-	ResourceQuotaStatus       api.ResourceQuota
-	ResourceQuotasList        api.ResourceQuotaList
-	NamespacesList            api.NamespaceList
-	Namespace                 api.Namespace
-	SecretList                api.SecretList
-	Secret                    api.Secret
-	Err                       error
-	Watch                     watch.Interface
-	PersistentVolume          api.PersistentVolume
-	PersistentVolumesList     api.PersistentVolumeList
-	PersistentVolumeClaim     api.PersistentVolumeClaim
-	PersistentVolumeClaimList api.PersistentVolumeClaimList
-}
-
-func (c *Fake) LimitRanges(namespace string) LimitRangeInterface {
-	return &FakeLimitRanges{Fake: c, Namespace: namespace}
-}
-
-func (c *Fake) ResourceQuotas(namespace string) ResourceQuotaInterface {
-	return &FakeResourceQuotas{Fake: c, Namespace: namespace}
-}
-
-func (c *Fake) ReplicationControllers(namespace string) ReplicationControllerInterface {
-	return &FakeReplicationControllers{Fake: c, Namespace: namespace}
-}
-
-func (c *Fake) Nodes() NodeInterface {
-	return &FakeNodes{Fake: c}
-}
-
-func (c *Fake) Events(namespace string) EventInterface {
-	return &FakeEvents{Fake: c}
-}
-
-func (c *Fake) Endpoints(namespace string) EndpointsInterface {
-	return &FakeEndpoints{Fake: c, Namespace: namespace}
-}
-
-func (c *Fake) Pods(namespace string) PodInterface {
-	return &FakePods{Fake: c, Namespace: namespace}
-}
-
-func (c *Fake) PersistentVolumes() PersistentVolumeInterface {
-	return &FakePersistentVolumes{Fake: c}
-}
-
-func (c *Fake) PersistentVolumeClaims(namespace string) PersistentVolumeClaimInterface {
-	return &FakePersistentVolumeClaims{Fake: c, Namespace: namespace}
-}
-
-func (c *Fake) Services(namespace string) ServiceInterface {
-	return &FakeServices{Fake: c, Namespace: namespace}
-}
-
-func (c *Fake) Secrets(namespace string) SecretsInterface {
-	return &FakeSecrets{Fake: c, Namespace: namespace}
-}
-
-func (c *Fake) Namespaces() NamespaceInterface {
-	return &FakeNamespaces{Fake: c}
-}
-
-func (c *Fake) ServerVersion() (*version.Info, error) {
-	c.Actions = append(c.Actions, FakeAction{Action: "get-version", Value: nil})
-	versionInfo := version.Get()
-	return &versionInfo, nil
-}
-
-func (c *Fake) ServerAPIVersions() (*api.APIVersions, error) {
-	c.Actions = append(c.Actions, FakeAction{Action: "get-apiversions", Value: nil})
-	return &api.APIVersions{Versions: []string{"v1beta1", "v1beta2"}}, nil
-}
-
 type HTTPClientFunc func(*http.Request) (*http.Response, error)
 
 func (f HTTPClientFunc) Do(req *http.Request) (*http.Response, error) {

pkg/client/fake_persistent_volume_claims.go

@@ -1,58 +0,0 @@
-/*
-Copyright 2014 Google Inc. 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 client
-
-import (
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
-)
-
-type FakePersistentVolumeClaims struct {
-	Fake      *Fake
-	Namespace string
-}
-
-func (c *FakePersistentVolumeClaims) List(labels labels.Selector, field fields.Selector) (*api.PersistentVolumeClaimList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-persistentVolumeClaims"})
-	return api.Scheme.CopyOrDie(&c.Fake.PersistentVolumeClaimList).(*api.PersistentVolumeClaimList), c.Fake.Err
-}
-
-func (c *FakePersistentVolumeClaims) Get(name string) (*api.PersistentVolumeClaim, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-persistentVolumeClaim", Value: name})
-	return api.Scheme.CopyOrDie(&c.Fake.PersistentVolumeClaim).(*api.PersistentVolumeClaim), nil
-}
-
-func (c *FakePersistentVolumeClaims) Delete(name string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-persistentVolumeClaim", Value: name})
-	return nil
-}
-
-func (c *FakePersistentVolumeClaims) Create(persistentvolumeclaim *api.PersistentVolumeClaim) (*api.PersistentVolumeClaim, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-persistentVolumeClaim"})
-	return &api.PersistentVolumeClaim{}, nil
-}
-
-func (c *FakePersistentVolumeClaims) Update(persistentvolumeclaim *api.PersistentVolumeClaim) (*api.PersistentVolumeClaim, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-persistentVolumeClaim", Value: persistentvolumeclaim.Name})
-	return &api.PersistentVolumeClaim{}, nil
-}
-
-func (c *FakePersistentVolumeClaims) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
-	return c.Fake.Watch, c.Fake.Err
-}

pkg/client/testclient/fake_endpoints.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -31,18 +31,18 @@ type FakeEndpoints struct {
 }
 
 func (c *FakeEndpoints) Create(endpoints *api.Endpoints) (*api.Endpoints, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-endpoints"})
-	return &api.Endpoints{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-endpoints"}, &api.Endpoints{})
+	return obj.(*api.Endpoints), err
 }
 
 func (c *FakeEndpoints) List(selector labels.Selector) (*api.EndpointsList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-endpoints"})
-	return api.Scheme.CopyOrDie(&c.Fake.EndpointsList).(*api.EndpointsList), c.Fake.Err
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-endpoints"}, &api.EndpointsList{})
+	return obj.(*api.EndpointsList), err
 }
 
 func (c *FakeEndpoints) Get(name string) (*api.Endpoints, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-endpoints"})
-	return &api.Endpoints{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-endpoints", Value: name}, &api.Endpoints{})
+	return obj.(*api.Endpoints), err
 }
 
 func (c *FakeEndpoints) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
@@ -51,6 +51,6 @@ func (c *FakeEndpoints) Watch(label labels.Selector, field fields.Selector, reso
 }
 
 func (c *FakeEndpoints) Update(endpoints *api.Endpoints) (*api.Endpoints, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-endpoints", Value: endpoints.Name})
-	return &api.Endpoints{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-endpoints", Value: endpoints.Name}, &api.Endpoints{})
+	return obj.(*api.Endpoints), err
 }

pkg/client/testclient/fake_events.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -32,26 +32,26 @@ type FakeEvents struct {
 
 // Create makes a new event. Returns the copy of the event the server returns, or an error.
 func (c *FakeEvents) Create(event *api.Event) (*api.Event, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-event", Value: event.Name})
-	return &api.Event{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-event", Value: event.Name}, &api.Event{})
+	return obj.(*api.Event), err
 }
 
 // Update replaces an existing event. Returns the copy of the event the server returns, or an error.
 func (c *FakeEvents) Update(event *api.Event) (*api.Event, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-event", Value: event.Name})
-	return &api.Event{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-event", Value: event.Name}, &api.Event{})
+	return obj.(*api.Event), err
 }
 
 // List returns a list of events matching the selectors.
 func (c *FakeEvents) List(label labels.Selector, field fields.Selector) (*api.EventList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-events"})
-	return &c.Fake.EventsList, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-events"}, &api.EventList{})
+	return obj.(*api.EventList), err
 }
 
 // Get returns the given event, or an error.
 func (c *FakeEvents) Get(id string) (*api.Event, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-event", Value: id})
-	return &api.Event{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-endpoints", Value: id}, &api.Event{})
+	return obj.(*api.Event), err
 }
 
 // Watch starts watching for events matching the given selectors.
@@ -62,13 +62,13 @@ func (c *FakeEvents) Watch(label labels.Selector, field fields.Selector, resourc
 
 // Search returns a list of events matching the specified object.
 func (c *FakeEvents) Search(objOrRef runtime.Object) (*api.EventList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "search-events"})
-	return &c.Fake.EventsList, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "search-events"}, &api.EventList{})
+	return obj.(*api.EventList), err
 }
 
 func (c *FakeEvents) Delete(name string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-event", Value: name})
-	return nil
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-event", Value: name}, &api.Event{})
+	return err
 }
 
 func (c *FakeEvents) GetFieldSelector(involvedObjectName, involvedObjectNamespace, involvedObjectKind, involvedObjectUID *string) fields.Selector {

pkg/client/testclient/fake_limit_ranges.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -31,28 +31,28 @@ type FakeLimitRanges struct {
 }
 
 func (c *FakeLimitRanges) List(selector labels.Selector) (*api.LimitRangeList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-limitRanges"})
-	return api.Scheme.CopyOrDie(&c.Fake.LimitRangesList).(*api.LimitRangeList), nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-limitRanges"}, &api.LimitRangeList{})
+	return obj.(*api.LimitRangeList), err
 }
 
 func (c *FakeLimitRanges) Get(name string) (*api.LimitRange, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-limitRange", Value: name})
-	return &api.LimitRange{ObjectMeta: api.ObjectMeta{Name: name, Namespace: c.Namespace}}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-limitRange", Value: name}, &api.LimitRange{})
+	return obj.(*api.LimitRange), err
 }
 
 func (c *FakeLimitRanges) Delete(name string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-limitRange", Value: name})
-	return nil
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-limitRange", Value: name}, &api.LimitRange{})
+	return err
 }
 
 func (c *FakeLimitRanges) Create(limitRange *api.LimitRange) (*api.LimitRange, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-limitRange"})
-	return &api.LimitRange{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-limitRange"}, &api.LimitRange{})
+	return obj.(*api.LimitRange), err
 }
 
 func (c *FakeLimitRanges) Update(limitRange *api.LimitRange) (*api.LimitRange, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-limitRange", Value: limitRange.Name})
-	return &api.LimitRange{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-limitRange", Value: limitRange.Name}, &api.LimitRange{})
+	return obj.(*api.LimitRange), err
 }
 
 func (c *FakeLimitRanges) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {

pkg/client/testclient/fake_namespaces.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -30,18 +30,18 @@ type FakeNamespaces struct {
 }
 
 func (c *FakeNamespaces) List(labels labels.Selector, field fields.Selector) (*api.NamespaceList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-namespaces"})
-	return api.Scheme.CopyOrDie(&c.Fake.NamespacesList).(*api.NamespaceList), nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-namespaces"}, &api.NamespaceList{})
+	return obj.(*api.NamespaceList), err
 }
 
 func (c *FakeNamespaces) Get(name string) (*api.Namespace, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-namespace", Value: name})
-	return &api.Namespace{ObjectMeta: api.ObjectMeta{Name: name}}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-namespace", Value: name}, &api.Namespace{})
+	return obj.(*api.Namespace), err
 }
 
 func (c *FakeNamespaces) Delete(name string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-namespace", Value: name})
-	return nil
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-namespace", Value: name}, &api.Namespace{})
+	return err
 }
 
 func (c *FakeNamespaces) Create(namespace *api.Namespace) (*api.Namespace, error) {
@@ -50,8 +50,8 @@ func (c *FakeNamespaces) Create(namespace *api.Namespace) (*api.Namespace, error
 }
 
 func (c *FakeNamespaces) Update(namespace *api.Namespace) (*api.Namespace, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-namespace", Value: namespace.Name})
-	return &api.Namespace{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-namespace", Value: namespace}, &api.Namespace{})
+	return obj.(*api.Namespace), err
 }
 
 func (c *FakeNamespaces) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
@@ -60,12 +60,11 @@ func (c *FakeNamespaces) Watch(label labels.Selector, field fields.Selector, res
 }
 
 func (c *FakeNamespaces) Finalize(namespace *api.Namespace) (*api.Namespace, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "finalize-namespace", Value: namespace.Name})
-	c.Fake.Namespace = *namespace
-	return namespace, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "finalize-namespace", Value: namespace}, &api.Namespace{})
+	return obj.(*api.Namespace), err
 }
 
 func (c *FakeNamespaces) Status(namespace *api.Namespace) (*api.Namespace, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "status-namespace", Value: namespace.Name})
-	return &api.Namespace{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "status-namespace", Value: namespace}, &api.Namespace{})
+	return obj.(*api.Namespace), err
 }

pkg/client/testclient/fake_nodes.go

@@ -14,11 +14,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
-	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
@@ -31,36 +30,31 @@ type FakeNodes struct {
 }
 
 func (c *FakeNodes) Get(name string) (*api.Node, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-minion", Value: name})
-	for i := range c.Fake.MinionsList.Items {
-		if c.Fake.MinionsList.Items[i].Name == name {
-			return &c.Fake.MinionsList.Items[i], nil
-		}
-	}
-	return nil, errors.NewNotFound("Minions", name)
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-node", Value: name}, &api.Node{})
+	return obj.(*api.Node), err
 }
 
 func (c *FakeNodes) List() (*api.NodeList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-minions", Value: nil})
-	return &c.Fake.MinionsList, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-nodes"}, &api.NodeList{})
+	return obj.(*api.NodeList), err
 }
 
 func (c *FakeNodes) Create(minion *api.Node) (*api.Node, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-minion", Value: minion})
-	return &api.Node{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-node", Value: minion}, &api.Node{})
+	return obj.(*api.Node), err
 }
 
-func (c *FakeNodes) Delete(id string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-minion", Value: id})
-	return nil
+func (c *FakeNodes) Delete(name string) error {
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-node", Value: name}, &api.Node{})
+	return err
 }
 
 func (c *FakeNodes) Update(minion *api.Node) (*api.Node, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-minion", Value: minion})
-	return &api.Node{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-node", Value: minion}, &api.Node{})
+	return obj.(*api.Node), err
 }
 
 func (c *FakeNodes) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "watch-minions", Value: resourceVersion})
+	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "watch-nodes", Value: resourceVersion})
 	return c.Fake.Watch, c.Fake.Err
 }

pkg/client/testclient/fake_persistent_volume_claims.go

@@ -0,0 +1,59 @@
+/*
+Copyright 2014 Google Inc. 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 testclient
+
+import (
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/fields"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
+)
+
+type FakePersistentVolumeClaims struct {
+	Fake      *Fake
+	Namespace string
+}
+
+func (c *FakePersistentVolumeClaims) List(label labels.Selector, field fields.Selector) (*api.PersistentVolumeClaimList, error) {
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-persistentVolumeClaims"}, &api.PersistentVolumeClaimList{})
+	return obj.(*api.PersistentVolumeClaimList), err
+}
+
+func (c *FakePersistentVolumeClaims) Get(name string) (*api.PersistentVolumeClaim, error) {
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-persistentVolumeClaims", Value: name}, &api.PersistentVolumeClaim{})
+	return obj.(*api.PersistentVolumeClaim), err
+}
+
+func (c *FakePersistentVolumeClaims) Delete(name string) error {
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-persistentVolumeClaims", Value: name}, &api.PersistentVolumeClaim{})
+	return err
+}
+
+func (c *FakePersistentVolumeClaims) Create(persistentVolumeClaims *api.PersistentVolumeClaim) (*api.PersistentVolumeClaim, error) {
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-persistentVolumeClaims"}, &api.PersistentVolumeClaim{})
+	return obj.(*api.PersistentVolumeClaim), err
+}
+
+func (c *FakePersistentVolumeClaims) Update(persistentVolumeClaims *api.PersistentVolumeClaim) (*api.PersistentVolumeClaim, error) {
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-persistentVolumeClaims", Value: persistentVolumeClaims.Name}, &api.PersistentVolumeClaim{})
+	return obj.(*api.PersistentVolumeClaim), err
+}
+
+func (c *FakePersistentVolumeClaims) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
+	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "watch-persistentVolumeClaims", Value: resourceVersion})
+	return c.Fake.Watch, c.Fake.Err
+}

pkg/client/testclient/fake_persistent_volumes.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -24,32 +24,33 @@ import (
 )
 
 type FakePersistentVolumes struct {
-	Fake *Fake
+	Fake      *Fake
+	Namespace string
 }
 
-func (c *FakePersistentVolumes) List(labels labels.Selector, field fields.Selector) (*api.PersistentVolumeList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-persistentVolumes"})
-	return api.Scheme.CopyOrDie(&c.Fake.PersistentVolumesList).(*api.PersistentVolumeList), nil
+func (c *FakePersistentVolumes) List(label labels.Selector, field fields.Selector) (*api.PersistentVolumeList, error) {
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-persistentVolumes"}, &api.PersistentVolumeList{})
+	return obj.(*api.PersistentVolumeList), err
 }
 
 func (c *FakePersistentVolumes) Get(name string) (*api.PersistentVolume, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-persistentVolume", Value: name})
-	return api.Scheme.CopyOrDie(&c.Fake.PersistentVolume).(*api.PersistentVolume), nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-persistentVolumes", Value: name}, &api.PersistentVolume{})
+	return obj.(*api.PersistentVolume), err
 }
 
 func (c *FakePersistentVolumes) Delete(name string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-persistentVolume", Value: name})
-	return nil
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-persistentVolumes", Value: name}, &api.PersistentVolume{})
+	return err
 }
 
-func (c *FakePersistentVolumes) Create(persistentvolume *api.PersistentVolume) (*api.PersistentVolume, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-persistentVolume"})
-	return &api.PersistentVolume{}, nil
+func (c *FakePersistentVolumes) Create(persistentVolumes *api.PersistentVolume) (*api.PersistentVolume, error) {
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-persistentVolumes"}, &api.PersistentVolume{})
+	return obj.(*api.PersistentVolume), err
 }
 
-func (c *FakePersistentVolumes) Update(persistentvolume *api.PersistentVolume) (*api.PersistentVolume, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-persistentVolume", Value: persistentvolume.Name})
-	return &api.PersistentVolume{}, nil
+func (c *FakePersistentVolumes) Update(persistentVolumes *api.PersistentVolume) (*api.PersistentVolume, error) {
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-persistentVolumes", Value: persistentVolumes.Name}, &api.PersistentVolume{})
+	return obj.(*api.PersistentVolume), err
 }
 
 func (c *FakePersistentVolumes) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {

pkg/client/testclient/fake_pods.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -31,28 +31,28 @@ type FakePods struct {
 }
 
 func (c *FakePods) List(selector labels.Selector) (*api.PodList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-pods"})
-	return api.Scheme.CopyOrDie(&c.Fake.PodsList).(*api.PodList), nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-pods"}, &api.PodList{})
+	return obj.(*api.PodList), err
 }
 
 func (c *FakePods) Get(name string) (*api.Pod, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-pod", Value: name})
-	return &api.Pod{ObjectMeta: api.ObjectMeta{Name: name, Namespace: c.Namespace}}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-pod", Value: name}, &api.Pod{})
+	return obj.(*api.Pod), err
 }
 
 func (c *FakePods) Delete(name string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-pod", Value: name})
-	return nil
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-pod", Value: name}, &api.Pod{})
+	return err
 }
 
 func (c *FakePods) Create(pod *api.Pod) (*api.Pod, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-pod"})
-	return &api.Pod{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-pod"}, &api.Pod{})
+	return obj.(*api.Pod), err
 }
 
 func (c *FakePods) Update(pod *api.Pod) (*api.Pod, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-pod", Value: pod.Name})
-	return &api.Pod{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-pod", Value: pod.Name}, &api.Pod{})
+	return obj.(*api.Pod), err
 }
 
 func (c *FakePods) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
@@ -66,6 +66,6 @@ func (c *FakePods) Bind(bind *api.Binding) error {
 }
 
 func (c *FakePods) UpdateStatus(pod *api.Pod) (*api.Pod, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-status-pod", Value: pod.Name})
-	return &api.Pod{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-status-pod", Value: pod.Name}, &api.Pod{})
+	return obj.(*api.Pod), err
 }

pkg/client/testclient/fake_replication_controllers.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -31,31 +31,31 @@ type FakeReplicationControllers struct {
 }
 
 func (c *FakeReplicationControllers) List(selector labels.Selector) (*api.ReplicationControllerList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-controllers"})
-	return api.Scheme.CopyOrDie(&c.Fake.CtrlList).(*api.ReplicationControllerList), nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-replicationControllers"}, &api.ReplicationControllerList{})
+	return obj.(*api.ReplicationControllerList), err
 }
 
 func (c *FakeReplicationControllers) Get(name string) (*api.ReplicationController, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-controller", Value: name})
-	return api.Scheme.CopyOrDie(&c.Fake.Ctrl).(*api.ReplicationController), nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-replicationController", Value: name}, &api.ReplicationController{})
+	return obj.(*api.ReplicationController), err
 }
 
 func (c *FakeReplicationControllers) Create(controller *api.ReplicationController) (*api.ReplicationController, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-controller", Value: controller})
-	return &api.ReplicationController{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-replicationController", Value: controller}, &api.ReplicationController{})
+	return obj.(*api.ReplicationController), err
 }
 
 func (c *FakeReplicationControllers) Update(controller *api.ReplicationController) (*api.ReplicationController, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-controller", Value: controller})
-	return &api.ReplicationController{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-replicationController", Value: controller}, &api.ReplicationController{})
+	return obj.(*api.ReplicationController), err
 }
 
-func (c *FakeReplicationControllers) Delete(controller string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-controller", Value: controller})
-	return nil
+func (c *FakeReplicationControllers) Delete(name string) error {
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-replicationController", Value: name}, &api.ReplicationController{})
+	return err
 }
 
 func (c *FakeReplicationControllers) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "watch-controllers", Value: resourceVersion})
+	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "watch-replicationController", Value: resourceVersion})
 	return c.Fake.Watch, nil
 }

pkg/client/testclient/fake_resource_quotas.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -31,34 +31,33 @@ type FakeResourceQuotas struct {
 }
 
 func (c *FakeResourceQuotas) List(selector labels.Selector) (*api.ResourceQuotaList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-resourceQuotas"})
-	return api.Scheme.CopyOrDie(&c.Fake.ResourceQuotasList).(*api.ResourceQuotaList), nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-resourceQuotas"}, &api.ResourceQuotaList{})
+	return obj.(*api.ResourceQuotaList), err
 }
 
 func (c *FakeResourceQuotas) Get(name string) (*api.ResourceQuota, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-resourceQuota", Value: name})
-	return &api.ResourceQuota{ObjectMeta: api.ObjectMeta{Name: name, Namespace: c.Namespace}}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-resourceQuota", Value: name}, &api.ResourceQuota{})
+	return obj.(*api.ResourceQuota), err
 }
 
 func (c *FakeResourceQuotas) Delete(name string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-resourceQuota", Value: name})
-	return nil
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-resourceQuota", Value: name}, &api.ResourceQuota{})
+	return err
 }
 
 func (c *FakeResourceQuotas) Create(resourceQuota *api.ResourceQuota) (*api.ResourceQuota, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-resourceQuota"})
-	return &api.ResourceQuota{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-resourceQuota", Value: resourceQuota}, &api.ResourceQuota{})
+	return obj.(*api.ResourceQuota), err
 }
 
 func (c *FakeResourceQuotas) Update(resourceQuota *api.ResourceQuota) (*api.ResourceQuota, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-resourceQuota", Value: resourceQuota.Name})
-	return &api.ResourceQuota{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-resourceQuota", Value: resourceQuota}, &api.ResourceQuota{})
+	return obj.(*api.ResourceQuota), err
 }
 
 func (c *FakeResourceQuotas) UpdateStatus(resourceQuota *api.ResourceQuota) (*api.ResourceQuota, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-status-resourceQuota", Value: resourceQuota.Name})
-	c.Fake.ResourceQuotaStatus = *resourceQuota
-	return &api.ResourceQuota{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-status-resourceQuota", Value: resourceQuota}, &api.ResourceQuota{})
+	return obj.(*api.ResourceQuota), err
 }
 
 func (c *FakeResourceQuotas) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {

pkg/client/testclient/fake_secrets.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -31,28 +31,28 @@ type FakeSecrets struct {
 }
 
 func (c *FakeSecrets) List(labels labels.Selector, field fields.Selector) (*api.SecretList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-secrets"})
-	return &c.Fake.SecretList, c.Fake.Err
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-secrets"}, &api.SecretList{})
+	return obj.(*api.SecretList), err
 }
 
 func (c *FakeSecrets) Get(name string) (*api.Secret, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-secret", Value: name})
-	return api.Scheme.CopyOrDie(&c.Fake.Secret).(*api.Secret), nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-secret", Value: name}, &api.Secret{})
+	return obj.(*api.Secret), err
 }
 
 func (c *FakeSecrets) Create(secret *api.Secret) (*api.Secret, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-secret", Value: secret})
-	return &api.Secret{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-secret", Value: secret}, &api.Secret{})
+	return obj.(*api.Secret), err
 }
 
 func (c *FakeSecrets) Update(secret *api.Secret) (*api.Secret, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-secret", Value: secret})
-	return &api.Secret{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-secret", Value: secret}, &api.Secret{})
+	return obj.(*api.Secret), err
 }
 
-func (c *FakeSecrets) Delete(secret string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-secret", Value: secret})
-	return nil
+func (c *FakeSecrets) Delete(name string) error {
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-secret", Value: name}, &api.Secret{})
+	return err
 }
 
 func (c *FakeSecrets) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {

pkg/client/testclient/fake_services.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -31,28 +31,28 @@ type FakeServices struct {
 }
 
 func (c *FakeServices) List(selector labels.Selector) (*api.ServiceList, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "list-services"})
-	return &c.Fake.ServiceList, c.Fake.Err
+	obj, err := c.Fake.Invokes(FakeAction{Action: "list-services"}, &api.ServiceList{})
+	return obj.(*api.ServiceList), err
 }
 
 func (c *FakeServices) Get(name string) (*api.Service, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "get-service", Value: name})
-	return &api.Service{ObjectMeta: api.ObjectMeta{Name: name, Namespace: c.Namespace}}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "get-service", Value: name}, &api.Service{})
+	return obj.(*api.Service), err
 }
 
 func (c *FakeServices) Create(service *api.Service) (*api.Service, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "create-service", Value: service})
-	return &api.Service{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "create-service", Value: service}, &api.Service{})
+	return obj.(*api.Service), err
 }
 
 func (c *FakeServices) Update(service *api.Service) (*api.Service, error) {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "update-service", Value: service})
-	return &api.Service{}, nil
+	obj, err := c.Fake.Invokes(FakeAction{Action: "update-service", Value: service}, &api.Service{})
+	return obj.(*api.Service), err
 }
 
-func (c *FakeServices) Delete(service string) error {
-	c.Fake.Actions = append(c.Fake.Actions, FakeAction{Action: "delete-service", Value: service})
-	return nil
+func (c *FakeServices) Delete(name string) error {
+	_, err := c.Fake.Invokes(FakeAction{Action: "delete-service", Value: name}, &api.Service{})
+	return err
 }
 
 func (c *FakeServices) Watch(label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {

pkg/client/testclient/fake_test.go

@@ -14,17 +14,19 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package client
+package testclient
 
 import (
 	"testing"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
 )
 
 // This test file just ensures that Fake and structs it is embedded in
 // implement Interface.
 
 func TestFakeImplementsInterface(t *testing.T) {
-	_ = Interface(&Fake{})
+	_ = client.Interface(&Fake{})
 }
 
 type MyFake struct {
@@ -32,6 +34,6 @@ type MyFake struct {
 }
 
 func TestEmbeddedFakeImplementsInterface(t *testing.T) {
-	_ = Interface(MyFake{&Fake{}})
-	_ = Interface(&MyFake{&Fake{}})
+	_ = client.Interface(MyFake{&Fake{}})
+	_ = client.Interface(&MyFake{&Fake{}})
 }

pkg/client/testclient/fixture.go

@@ -0,0 +1,218 @@
+/*
+Copyright 2015 Google Inc. 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 testclient
+
+import (
+	"fmt"
+	"io/ioutil"
+	"reflect"
+	"strings"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/meta"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/util/yaml"
+)
+
+// ObjectRetriever abstracts the implementation for retrieving or setting generic
+// objects. It is intended to be used to fake calls to a server by returning
+// objects based on their kind and name.
+type ObjectRetriever interface {
+	// Kind should return a resource or a list of resources (depending on the provided kind and
+	// name). It should return an error if the caller should communicate an error to the server.
+	Kind(kind, name string) (runtime.Object, error)
+	// Add adds a runtime object for test purposes into this object.
+	Add(runtime.Object) error
+}
+
+// ObjectReaction returns a ReactionFunc that takes a generic action string of the form
+// <verb>-<resource> or <verb>-<subresource>-<resource> and attempts to return a runtime
+// Object or error that matches the requested action. For instance, list-replicationControllers
+// should attempt to return a list of replication controllers. This method delegates to the
+// ObjectRetriever interface to satisfy retrieval of lists or retrieval of single items.
+// TODO: add support for sub resources
+func ObjectReaction(o ObjectRetriever, mapper meta.RESTMapper) ReactionFunc {
+	return func(action FakeAction) (runtime.Object, error) {
+		segments := strings.Split(action.Action, "-")
+		var verb, resource string
+		switch len(segments) {
+		case 3:
+			verb, _, resource = segments[0], segments[1], segments[2]
+		case 2:
+			verb, resource = segments[0], segments[1]
+		default:
+			return nil, fmt.Errorf("unrecognized action, need two or three segments <verb>-<resource> or <verb>-<subresource>-<resource>: %s", action.Action)
+		}
+		_, kind, err := mapper.VersionAndKindForResource(resource)
+		if err != nil {
+			return nil, fmt.Errorf("unrecognized action %s: %v", resource, err)
+		}
+		// TODO: have mapper return a Kind for a subresource?
+		switch verb {
+		case "list", "search":
+			return o.Kind(kind+"List", "")
+		case "get", "create", "update", "delete":
+			// TODO: handle sub resources
+			if s, ok := action.Value.(string); ok && action.Value != nil {
+				return o.Kind(kind, s)
+			}
+			return o.Kind(kind, "unknown")
+		default:
+			return nil, fmt.Errorf("no reaction implemented for %s", action.Action)
+		}
+		return nil, nil
+	}
+}
+
+// AddObjectsFromPath loads the JSON or YAML file containing Kubernetes API resources
+// and adds them to the provided ObjectRetriever.
+func AddObjectsFromPath(path string, o ObjectRetriever) error {
+	data, err := ioutil.ReadFile(path)
+	if err != nil {
+		return err
+	}
+	data, err = yaml.ToJSON(data)
+	if err != nil {
+		return err
+	}
+	obj, err := api.Codec.Decode(data)
+	if err != nil {
+		return err
+	}
+	if err := o.Add(obj); err != nil {
+		return err
+	}
+	return nil
+}
+
+type objects struct {
+	types   map[string][]runtime.Object
+	last    map[string]int
+	typer   runtime.ObjectTyper
+	creater runtime.ObjectCreater
+	copier  copier
+}
+
+var _ ObjectRetriever = &objects{}
+
+type copier interface {
+	Copy(obj runtime.Object) (runtime.Object, error)
+}
+
+// NewObjects implements the ObjectRetriever interface by introspecting the
+// objects provided to Add() and returning them when the Kind method is invoked.
+// If an api.List object is provided to Add(), each child item is added. If an
+// object is added that is itself a list (PodList, ServiceList) then that is added
+// to the "PodList" kind. If no PodList is added, the retriever will take any loaded
+// Pods and return them in a list. If an api.Status is added, and the Details.Kind field
+// is set, that status will be returned instead (as an error if Status != Success, or
+// as a runtime.Object if Status == Success).  If multiple PodLists are provided, they
+// will be returned in order by the Kind call, and the last PodList will be reused for
+// subsequent calls.
+func NewObjects(scheme *runtime.Scheme) ObjectRetriever {
+	return objects{
+		types:   make(map[string][]runtime.Object),
+		last:    make(map[string]int),
+		typer:   scheme,
+		creater: scheme,
+		copier:  scheme,
+	}
+}
+
+func (o objects) Kind(kind, name string) (runtime.Object, error) {
+	empty, _ := o.creater.New("", kind)
+	nilValue := reflect.Zero(reflect.TypeOf(empty)).Interface().(runtime.Object)
+
+	arr, ok := o.types[kind]
+	if !ok {
+		if strings.HasSuffix(kind, "List") {
+			itemKind := kind[:len(kind)-4]
+			arr, ok := o.types[itemKind]
+			if !ok {
+				return empty, nil
+			}
+			out, err := o.creater.New("", kind)
+			if err != nil {
+				return nilValue, err
+			}
+			if err := runtime.SetList(out, arr); err != nil {
+				return nilValue, err
+			}
+			if out, err = o.copier.Copy(out); err != nil {
+				return nilValue, err
+			}
+			return out, nil
+		}
+		return nilValue, errors.NewNotFound(kind, name)
+	}
+
+	index := o.last[kind]
+	if index >= len(arr) {
+		index = len(arr) - 1
+	}
+	if index < 0 {
+		return nilValue, errors.NewNotFound(kind, name)
+	}
+	out, err := o.copier.Copy(arr[index])
+	if err != nil {
+		return nilValue, err
+	}
+	o.last[kind] = index + 1
+
+	if status, ok := out.(*api.Status); ok {
+		if status.Details != nil {
+			status.Details.Kind = kind
+		}
+		if status.Status != api.StatusSuccess {
+			return nilValue, &errors.StatusError{*status}
+		}
+	}
+
+	return out, nil
+}
+
+func (o objects) Add(obj runtime.Object) error {
+	_, kind, err := o.typer.ObjectVersionAndKind(obj)
+	if err != nil {
+		return err
+	}
+
+	switch {
+	case runtime.IsListType(obj):
+		if kind != "List" {
+			o.types[kind] = append(o.types[kind], obj)
+		}
+
+		list, err := runtime.ExtractList(obj)
+		if err != nil {
+			return err
+		}
+		for _, obj := range list {
+			if err := o.Add(obj); err != nil {
+				return err
+			}
+		}
+	default:
+		if status, ok := obj.(*api.Status); ok && status.Details != nil {
+			kind = status.Details.Kind
+		}
+		o.types[kind] = append(o.types[kind], obj)
+	}
+
+	return nil
+}

pkg/client/testclient/testclient.go

@@ -0,0 +1,127 @@
+/*
+Copyright 2015 Google Inc. 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 testclient
+
+import (
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/latest"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/version"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
+)
+
+// NewSimpleFake returns a client that will respond with the provided objects
+func NewSimpleFake(objects ...runtime.Object) *Fake {
+	o := NewObjects(api.Scheme)
+	for _, obj := range objects {
+		if err := o.Add(obj); err != nil {
+			panic(err)
+		}
+	}
+	return &Fake{ReactFn: ObjectReaction(o, latest.RESTMapper)}
+}
+
+type FakeAction struct {
+	Action string
+	Value  interface{}
+}
+
+// ReactionFunc is a function that returns an object or error for a given Action
+type ReactionFunc func(FakeAction) (runtime.Object, error)
+
+// Fake implements client.Interface. Meant to be embedded into a struct to get a default
+// implementation. This makes faking out just the method you want to test easier.
+type Fake struct {
+	Actions []FakeAction
+	Watch   watch.Interface
+	Err     error
+
+	// ReactFn is an optional function that will be invoked with the provided action
+	// and return a response. It can implement scenario specific behavior. The type
+	// of object returned must match the expected type from the caller (even if nil).
+	ReactFn ReactionFunc
+}
+
+// Invokes records the provided FakeAction and then invokes the ReactFn (if provided).
+// obj is expected to be of the same type a normal call would return.
+func (c *Fake) Invokes(action FakeAction, obj runtime.Object) (runtime.Object, error) {
+	c.Actions = append(c.Actions, action)
+	if c.ReactFn != nil {
+		return c.ReactFn(action)
+	}
+	return obj, c.Err
+}
+
+func (c *Fake) LimitRanges(namespace string) client.LimitRangeInterface {
+	return &FakeLimitRanges{Fake: c, Namespace: namespace}
+}
+
+func (c *Fake) ResourceQuotas(namespace string) client.ResourceQuotaInterface {
+	return &FakeResourceQuotas{Fake: c, Namespace: namespace}
+}
+
+func (c *Fake) ReplicationControllers(namespace string) client.ReplicationControllerInterface {
+	return &FakeReplicationControllers{Fake: c, Namespace: namespace}
+}
+
+func (c *Fake) Nodes() client.NodeInterface {
+	return &FakeNodes{Fake: c}
+}
+
+func (c *Fake) Events(namespace string) client.EventInterface {
+	return &FakeEvents{Fake: c}
+}
+
+func (c *Fake) Endpoints(namespace string) client.EndpointsInterface {
+	return &FakeEndpoints{Fake: c, Namespace: namespace}
+}
+
+func (c *Fake) PersistentVolumes() client.PersistentVolumeInterface {
+	return &FakePersistentVolumes{Fake: c}
+}
+
+func (c *Fake) PersistentVolumeClaims(namespace string) client.PersistentVolumeClaimInterface {
+	return &FakePersistentVolumeClaims{Fake: c, Namespace: namespace}
+}
+
+func (c *Fake) Pods(namespace string) client.PodInterface {
+	return &FakePods{Fake: c, Namespace: namespace}
+}
+
+func (c *Fake) Services(namespace string) client.ServiceInterface {
+	return &FakeServices{Fake: c, Namespace: namespace}
+}
+
+func (c *Fake) Secrets(namespace string) client.SecretsInterface {
+	return &FakeSecrets{Fake: c, Namespace: namespace}
+}
+
+func (c *Fake) Namespaces() client.NamespaceInterface {
+	return &FakeNamespaces{Fake: c}
+}
+
+func (c *Fake) ServerVersion() (*version.Info, error) {
+	c.Actions = append(c.Actions, FakeAction{Action: "get-version", Value: nil})
+	versionInfo := version.Get()
+	return &versionInfo, nil
+}
+
+func (c *Fake) ServerAPIVersions() (*api.APIVersions, error) {
+	c.Actions = append(c.Actions, FakeAction{Action: "get-apiversions", Value: nil})
+	return &api.APIVersions{Versions: []string{"v1beta1", "v1beta2"}}, nil
+}

pkg/client/testclient/testclient_test.go

@@ -0,0 +1,74 @@
+/*
+Copyright 2015 Google Inc. 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 testclient
+
+import (
+	"testing"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api/latest"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
+)
+
+func TestNewClient(t *testing.T) {
+	o := NewObjects(api.Scheme)
+	if err := AddObjectsFromPath("../../../examples/guestbook/frontend-service.json", o); err != nil {
+		t.Fatal(err)
+	}
+	client := &Fake{ReactFn: ObjectReaction(o, latest.RESTMapper)}
+	list, err := client.Services("test").List(labels.Everything())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(list.Items) != 1 {
+		t.Fatalf("unexpected list %#v", list)
+	}
+
+	// When list is invoked a second time, the same results are returned.
+	list, err = client.Services("test").List(labels.Everything())
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(list.Items) != 1 {
+		t.Fatalf("unexpected list %#v", list)
+	}
+	t.Logf("list: %#v", list)
+}
+
+func TestErrors(t *testing.T) {
+	o := NewObjects(api.Scheme)
+	o.Add(&api.List{
+		Items: []runtime.Object{
+			// This first call to List will return this error
+			&(errors.NewNotFound("ServiceList", "").(*errors.StatusError).ErrStatus),
+			// The second call to List will return this error
+			&(errors.NewForbidden("ServiceList", "", nil).(*errors.StatusError).ErrStatus),
+		},
+	})
+	client := &Fake{ReactFn: ObjectReaction(o, latest.RESTMapper)}
+	_, err := client.Services("test").List(labels.Everything())
+	if !errors.IsNotFound(err) {
+		t.Fatalf("unexpected error: %v", err)
+	}
+	t.Logf("error: %#v", err.(*errors.StatusError).Status())
+	_, err = client.Services("test").List(labels.Everything())
+	if !errors.IsForbidden(err) {
+		t.Fatalf("unexpected error: %v", err)
+	}
+}