fix describer tests

pkg/kubectl/cmd/cmd_test.go

@@ -39,7 +39,6 @@ import (
 	api "k8s.io/kubernetes/pkg/apis/core"
 	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
 	"k8s.io/kubernetes/pkg/kubectl/scheme"
-	"k8s.io/kubernetes/pkg/printers"
 )
 
 // This init should be removed after switching this command and its tests to user external types.
@@ -116,19 +115,6 @@ func testData() (*api.PodList, *api.ServiceList, *api.ReplicationControllerList)
 	return pods, svc, rc
 }
 
-type testDescriber struct {
-	Name, Namespace string
-	Settings        printers.DescriberSettings
-	Output          string
-	Err             error
-}
-
-func (t *testDescriber) Describe(namespace, name string, describerSettings printers.DescriberSettings) (output string, err error) {
-	t.Namespace, t.Name = namespace, name
-	t.Settings = describerSettings
-	return t.Output, t.Err
-}
-
 func objBody(codec runtime.Codec, obj runtime.Object) io.ReadCloser {
 	return ioutil.NopCloser(bytes.NewReader([]byte(runtime.EncodeOrDie(codec, obj))))
 }

pkg/kubectl/cmd/describe_test.go

@@ -22,20 +22,29 @@ import (
 	"strings"
 	"testing"
 
+	"k8s.io/apimachinery/pkg/api/meta"
 	"k8s.io/client-go/rest/fake"
 	"k8s.io/kubernetes/pkg/api/legacyscheme"
 	cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
+	cmdutil "k8s.io/kubernetes/pkg/kubectl/cmd/util"
 	"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
 	"k8s.io/kubernetes/pkg/kubectl/scheme"
+	"k8s.io/kubernetes/pkg/printers"
 )
 
 // Verifies that schemas that are not in the master tree of Kubernetes can be retrieved via Get.
 func TestDescribeUnknownSchemaObject(t *testing.T) {
 	d := &testDescriber{Output: "test output"}
+	oldFn := cmdutil.DescriberFn
+	defer func() {
+		cmdutil.DescriberFn = oldFn
+	}()
+	cmdutil.DescriberFn = d.describerFor
+
 	tf := cmdtesting.NewTestFactory()
 	defer tf.Cleanup()
 	_, _, codec := cmdtesting.NewExternalScheme()
-	tf.DescriberVal = d
+
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,
 		Resp:                 &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, cmdtesting.NewInternalType("", "", "foo"))},
@@ -59,11 +68,16 @@ func TestDescribeUnknownSchemaObject(t *testing.T) {
 // Verifies that schemas that are not in the master tree of Kubernetes can be retrieved via Get.
 func TestDescribeUnknownNamespacedSchemaObject(t *testing.T) {
 	d := &testDescriber{Output: "test output"}
+	oldFn := cmdutil.DescriberFn
+	defer func() {
+		cmdutil.DescriberFn = oldFn
+	}()
+	cmdutil.DescriberFn = d.describerFor
+
 	tf := cmdtesting.NewTestFactory()
 	defer tf.Cleanup()
 	_, _, codec := cmdtesting.NewExternalScheme()
 
-	tf.DescriberVal = d
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,
 		Resp:                 &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, cmdtesting.NewInternalNamespacedType("", "", "foo", "non-default"))},
@@ -85,13 +99,18 @@ func TestDescribeUnknownNamespacedSchemaObject(t *testing.T) {
 }
 
 func TestDescribeObject(t *testing.T) {
+	d := &testDescriber{Output: "test output"}
+	oldFn := cmdutil.DescriberFn
+	defer func() {
+		cmdutil.DescriberFn = oldFn
+	}()
+	cmdutil.DescriberFn = d.describerFor
+
 	_, _, rc := testData()
 	tf := cmdtesting.NewTestFactory()
 	defer tf.Cleanup()
 	codec := legacyscheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
 
-	d := &testDescriber{Output: "test output"}
-	tf.DescriberVal = d
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,
 		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
@@ -122,13 +141,18 @@ func TestDescribeObject(t *testing.T) {
 }
 
 func TestDescribeListObjects(t *testing.T) {
+	d := &testDescriber{Output: "test output"}
+	oldFn := cmdutil.DescriberFn
+	defer func() {
+		cmdutil.DescriberFn = oldFn
+	}()
+	cmdutil.DescriberFn = d.describerFor
+
 	pods, _, _ := testData()
 	tf := cmdtesting.NewTestFactory()
 	defer tf.Cleanup()
 	codec := legacyscheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
 
-	d := &testDescriber{Output: "test output"}
-	tf.DescriberVal = d
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,
 		Resp:                 &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)},
@@ -145,13 +169,18 @@ func TestDescribeListObjects(t *testing.T) {
 }
 
 func TestDescribeObjectShowEvents(t *testing.T) {
+	d := &testDescriber{Output: "test output"}
+	oldFn := cmdutil.DescriberFn
+	defer func() {
+		cmdutil.DescriberFn = oldFn
+	}()
+	cmdutil.DescriberFn = d.describerFor
+
 	pods, _, _ := testData()
 	tf := cmdtesting.NewTestFactory()
 	defer tf.Cleanup()
 	codec := legacyscheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
 
-	d := &testDescriber{Output: "test output"}
-	tf.DescriberVal = d
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,
 		Resp:                 &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)},
@@ -167,13 +196,18 @@ func TestDescribeObjectShowEvents(t *testing.T) {
 }
 
 func TestDescribeObjectSkipEvents(t *testing.T) {
+	d := &testDescriber{Output: "test output"}
+	oldFn := cmdutil.DescriberFn
+	defer func() {
+		cmdutil.DescriberFn = oldFn
+	}()
+	cmdutil.DescriberFn = d.describerFor
+
 	pods, _, _ := testData()
 	tf := cmdtesting.NewTestFactory()
 	defer tf.Cleanup()
 	codec := legacyscheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
 
-	d := &testDescriber{Output: "test output"}
-	tf.DescriberVal = d
 	tf.UnstructuredClient = &fake.RESTClient{
 		NegotiatedSerializer: unstructuredSerializer,
 		Resp:                 &http.Response{StatusCode: 200, Header: defaultHeader(), Body: objBody(codec, pods)},
@@ -215,3 +249,19 @@ func TestDescribeHelpMessage(t *testing.T) {
 		t.Errorf("Expected not to contain: \n %v\nGot:\n %v\n", unexpected, got)
 	}
 }
+
+type testDescriber struct {
+	Name, Namespace string
+	Settings        printers.DescriberSettings
+	Output          string
+	Err             error
+}
+
+func (t *testDescriber) Describe(namespace, name string, describerSettings printers.DescriberSettings) (output string, err error) {
+	t.Namespace, t.Name = namespace, name
+	t.Settings = describerSettings
+	return t.Output, t.Err
+}
+func (t *testDescriber) describerFor(restClientGetter genericclioptions.RESTClientGetter, mapping *meta.RESTMapping) (printers.Describer, error) {
+	return t, nil
+}

pkg/kubectl/cmd/testing/BUILD

@@ -18,7 +18,6 @@ go_library(
         "//pkg/kubectl/genericclioptions:go_default_library",
         "//pkg/kubectl/genericclioptions/resource:go_default_library",
         "//pkg/kubectl/validation:go_default_library",
-        "//pkg/printers:go_default_library",
         "//vendor/github.com/spf13/cobra:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/api/meta:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/api/meta/testrestmapper:go_default_library",

pkg/kubectl/cmd/testing/fake.go

@@ -52,7 +52,6 @@ import (
 	"k8s.io/kubernetes/pkg/kubectl/genericclioptions"
 	"k8s.io/kubernetes/pkg/kubectl/genericclioptions/resource"
 	"k8s.io/kubernetes/pkg/kubectl/validation"
-	"k8s.io/kubernetes/pkg/printers"
 )
 
 // +k8s:deepcopy-gen=true
@@ -238,7 +237,6 @@ type TestFactory struct {
 	Client             kubectl.RESTClient
 	ScaleGetter        scaleclient.ScalesGetter
 	UnstructuredClient kubectl.RESTClient
-	DescriberVal       printers.Describer
 	Namespace          string
 	ClientConfigVal    *restclient.Config
 	CommandVal         string
@@ -312,10 +310,6 @@ func (f *TestFactory) UnstructuredClientForMapping(mapping *meta.RESTMapping) (r
 	return f.UnstructuredClient, nil
 }
 
-func (f *TestFactory) Describer(*meta.RESTMapping) (printers.Describer, error) {
-	return f.DescriberVal, nil
-}
-
 func (f *TestFactory) Validator(validate bool) (validation.Schema, error) {
 	return validation.NullSchema{}, nil
 }