Fix nil dereference in kubectl run-container

pkg/kubectl/cmd/printing_test.go

@@ -0,0 +1,67 @@
+/*
+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 cmd_test
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/client"
+	"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl"
+	. "github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/cmd"
+)
+
+func ExamplePrintReplicationController() {
+	f, tf, codec := NewAPIFactory()
+	tf.Printer = kubectl.NewHumanReadablePrinter(false)
+	tf.Client = &client.FakeRESTClient{
+		Codec:  codec,
+		Client: nil,
+	}
+	cmd := f.NewCmdRunContainer(os.Stdout)
+	ctrl := &api.ReplicationController{
+		ObjectMeta: api.ObjectMeta{
+			Name:   "foo",
+			Labels: map[string]string{"foo": "bar"},
+		},
+		Spec: api.ReplicationControllerSpec{
+			Replicas: 1,
+			Selector: map[string]string{"foo": "bar"},
+			Template: &api.PodTemplateSpec{
+				ObjectMeta: api.ObjectMeta{
+					Labels: map[string]string{"foo": "bar"},
+				},
+				Spec: api.PodSpec{
+					Containers: []api.Container{
+						{
+							Name:  "foo",
+							Image: "someimage",
+						},
+					},
+				},
+			},
+		},
+	}
+	err := PrintObject(cmd, ctrl, f, os.Stdout)
+	if err != nil {
+		fmt.Printf("Unexpected error: %v", err)
+	}
+	// Output:
+	// CONTROLLER          CONTAINER(S)        IMAGE(S)            SELECTOR            REPLICAS
+	// foo                 foo                 someimage           foo=bar             1
+}