Add interface check in Deployment's client

pkg/client/unversioned/deployment.go

@@ -45,6 +45,9 @@ type deployments struct {
 	ns     string
 }
 
+// Ensure statically that deployments implements DeploymentInterface.
+var _ DeploymentInterface = &deployments{}
+
 // newDeployments returns a Deployments
 func newDeployments(c *ExtensionsClient, namespace string) *deployments {
 	return &deployments{

pkg/client/unversioned/testclient/fake_deployments.go

@@ -19,17 +19,21 @@ package testclient
 import (
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/apis/extensions"
+	kclientlib "k8s.io/kubernetes/pkg/client/unversioned"
 	"k8s.io/kubernetes/pkg/labels"
 	"k8s.io/kubernetes/pkg/watch"
 )
 
-// FakeDeployments implements DeploymentsInterface. Meant to be embedded into a struct to get a default
+// FakeDeployments implements DeploymentInterface. Meant to be embedded into a struct to get a default
 // implementation. This makes faking out just the methods you want to test easier.
 type FakeDeployments struct {
 	Fake      *FakeExperimental
 	Namespace string
 }
 
+// Ensure statically that FakeDeployments implements DeploymentInterface.
+var _ kclientlib.DeploymentInterface = &FakeDeployments{}
+
 func (c *FakeDeployments) Get(name string) (*extensions.Deployment, error) {
 	obj, err := c.Fake.Invokes(NewGetAction("deployments", c.Namespace, name), &extensions.Deployment{})
 	if obj == nil {