Refactor diff into sub pkg

pkg/api/copy_test.go

@@ -25,7 +25,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/testapi"
 	apitesting "k8s.io/kubernetes/pkg/api/testing"
 	"k8s.io/kubernetes/pkg/api/unversioned"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 
 	"github.com/google/gofuzz"
 )
@@ -54,7 +54,7 @@ func doDeepCopyTest(t *testing.T, kind unversioned.GroupVersionKind, f *fuzz.Fuz
 	}
 
 	if !reflect.DeepEqual(item, itemCopy) {
-		t.Errorf("\nexpected: %#v\n\ngot:      %#v\n\ndiff:      %v", item, itemCopy, util.ObjectGoPrintSideBySide(item, itemCopy))
+		t.Errorf("\nexpected: %#v\n\ngot:      %#v\n\ndiff:      %v", item, itemCopy, diff.ObjectGoPrintSideBySide(item, itemCopy))
 	}
 }
 

pkg/api/meta/help_test.go

@@ -25,7 +25,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/api/v1"
 	"k8s.io/kubernetes/pkg/runtime"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 
 	"github.com/google/gofuzz"
 )
@@ -224,7 +224,7 @@ func TestSetListToRuntimeObjectArray(t *testing.T) {
 	}
 	for i := range list {
 		if e, a := list[i], pl.Items[i]; e != a {
-			t.Fatalf("%d: unmatched: %s", i, util.ObjectDiff(e, a))
+			t.Fatalf("%d: unmatched: %s", i, diff.ObjectDiff(e, a))
 		}
 	}
 }

pkg/api/serialization_proto_test.go

@@ -31,7 +31,7 @@ import (
 	_ "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/runtime/protobuf"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func init() {
@@ -53,7 +53,7 @@ func TestProtobufRoundTrip(t *testing.T) {
 	}
 	if !api.Semantic.Equalities.DeepEqual(out, obj) {
 		t.Logf("marshal\n%s", hex.Dump(data))
-		t.Fatalf("Unmarshal is unequal\n%s", util.ObjectGoPrintSideBySide(out, obj))
+		t.Fatalf("Unmarshal is unequal\n%s", diff.ObjectGoPrintSideBySide(out, obj))
 	}
 }
 

pkg/api/serialization_test.go

@@ -33,7 +33,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/api/v1"
 	"k8s.io/kubernetes/pkg/runtime"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"k8s.io/kubernetes/pkg/util/sets"
 )
 
@@ -76,7 +76,7 @@ func roundTrip(t *testing.T, codec runtime.Codec, item runtime.Object) {
 		return
 	}
 	if !api.Semantic.DeepEqual(item, obj2) {
-		t.Errorf("\n1: %v: diff: %v\nCodec: %v\nSource:\n\n%#v\n\nEncoded:\n\n%s\n\nFinal:\n\n%#v", name, util.ObjectGoPrintDiff(item, obj2), codec, printer.Sprintf("%#v", item), string(data), printer.Sprintf("%#v", obj2))
+		t.Errorf("\n1: %v: diff: %v\nCodec: %v\nSource:\n\n%#v\n\nEncoded:\n\n%s\n\nFinal:\n\n%#v", name, diff.ObjectGoPrintDiff(item, obj2), codec, printer.Sprintf("%#v", item), string(data), printer.Sprintf("%#v", obj2))
 		return
 	}
 
@@ -86,7 +86,7 @@ func roundTrip(t *testing.T, codec runtime.Codec, item runtime.Object) {
 		return
 	}
 	if !api.Semantic.DeepEqual(item, obj3) {
-		t.Errorf("3: %v: diff: %v\nCodec: %v", name, util.ObjectDiff(item, obj3), codec)
+		t.Errorf("3: %v: diff: %v\nCodec: %v", name, diff.ObjectDiff(item, obj3), codec)
 		return
 	}
 }
@@ -210,7 +210,7 @@ func TestEncode_Ptr(t *testing.T) {
 		t.Fatalf("Got wrong type")
 	}
 	if !api.Semantic.DeepEqual(obj2, pod) {
-		t.Errorf("\nExpected:\n\n %#v,\n\nGot:\n\n %#vDiff: %v\n\n", pod, obj2, util.ObjectDiff(obj2, pod))
+		t.Errorf("\nExpected:\n\n %#v,\n\nGot:\n\n %#vDiff: %v\n\n", pod, obj2, diff.ObjectDiff(obj2, pod))
 
 	}
 }

pkg/api/v1/conversion_test.go

@@ -27,7 +27,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	versioned "k8s.io/kubernetes/pkg/api/v1"
 	"k8s.io/kubernetes/pkg/runtime"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func TestPodLogOptions(t *testing.T) {
@@ -99,7 +99,7 @@ func TestPodLogOptions(t *testing.T) {
 			t.Fatal(err)
 		}
 		if !reflect.DeepEqual(convertedLogOptions, versionedLogOptions) {
-			t.Fatalf("Unexpected deserialization:\n%s", util.ObjectGoPrintSideBySide(versionedLogOptions, convertedLogOptions))
+			t.Fatalf("Unexpected deserialization:\n%s", diff.ObjectGoPrintSideBySide(versionedLogOptions, convertedLogOptions))
 		}
 	}
 
@@ -111,7 +111,7 @@ func TestPodLogOptions(t *testing.T) {
 			t.Fatal(err)
 		}
 		if !reflect.DeepEqual(convertedLogOptions, unversionedLogOptions) {
-			t.Fatalf("Unexpected deserialization:\n%s", util.ObjectGoPrintSideBySide(unversionedLogOptions, convertedLogOptions))
+			t.Fatalf("Unexpected deserialization:\n%s", diff.ObjectGoPrintSideBySide(unversionedLogOptions, convertedLogOptions))
 		}
 	}
 }

pkg/apiserver/apiserver_test.go

@@ -44,6 +44,7 @@ import (
 	"k8s.io/kubernetes/pkg/labels"
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"k8s.io/kubernetes/pkg/util/sets"
 	"k8s.io/kubernetes/pkg/version"
 	"k8s.io/kubernetes/pkg/watch"
@@ -1892,7 +1893,7 @@ func TestDeleteWithOptions(t *testing.T) {
 		t.Errorf("Unexpected delete: %s, expected %s", simpleStorage.deleted, ID)
 	}
 	if !api.Semantic.DeepEqual(simpleStorage.deleteOptions, item) {
-		t.Errorf("unexpected delete options: %s", util.ObjectDiff(simpleStorage.deleteOptions, item))
+		t.Errorf("unexpected delete options: %s", diff.ObjectDiff(simpleStorage.deleteOptions, item))
 	}
 }
 

pkg/apiserver/resthandler_test.go

@@ -31,7 +31,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/testapi"
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/runtime"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"k8s.io/kubernetes/pkg/util/strategicpatch"
 )
 
@@ -255,7 +255,7 @@ func (tc *patchTestCase) Run(t *testing.T) {
 		reallyExpectedPod := expectedObj.(*api.Pod)
 
 		if !reflect.DeepEqual(*reallyExpectedPod, *resultPod) {
-			t.Errorf("%s mismatch: %v\n", tc.name, util.ObjectGoPrintDiff(reallyExpectedPod, resultPod))
+			t.Errorf("%s mismatch: %v\n", tc.name, diff.ObjectGoPrintDiff(reallyExpectedPod, resultPod))
 			return
 		}
 	}

pkg/client/record/events_cache_test.go

@@ -25,6 +25,7 @@ import (
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func makeObjectReference(kind, name, namespace string) api.ObjectReference {
@@ -118,7 +119,7 @@ func validateEvent(messagePrefix string, actualEvent *api.Event, expectedEvent *
 	}
 	recvEvent.Name = expectedEvent.Name
 	if e, a := expectedEvent, &recvEvent; !reflect.DeepEqual(e, a) {
-		t.Errorf("%v - diff: %s", messagePrefix, util.ObjectGoPrintDiff(e, a))
+		t.Errorf("%v - diff: %s", messagePrefix, diff.ObjectGoPrintDiff(e, a))
 	}
 	recvEvent.FirstTimestamp = actualFirstTimestamp
 	recvEvent.LastTimestamp = actualLastTimestamp

pkg/client/restclient/client_test.go

@@ -29,7 +29,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/testapi"
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/runtime"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	utiltesting "k8s.io/kubernetes/pkg/util/testing"
 )
 
@@ -114,7 +114,7 @@ func TestDoRequestFailed(t *testing.T) {
 	expected.APIVersion = "v1"
 	expected.Kind = "Status"
 	if !reflect.DeepEqual(&expected, &actual) {
-		t.Errorf("Unexpected mis-match: %s", util.ObjectDiff(status, &actual))
+		t.Errorf("Unexpected mis-match: %s", diff.ObjectDiff(status, &actual))
 	}
 }
 

pkg/controller/node/nodecontroller_test.go

@@ -32,6 +32,7 @@ import (
 	unversionedcore "k8s.io/kubernetes/pkg/client/typed/generated/core/unversioned"
 	fakecloud "k8s.io/kubernetes/pkg/cloudprovider/providers/fake"
 	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"k8s.io/kubernetes/pkg/util/wait"
 	"k8s.io/kubernetes/pkg/watch"
 )
@@ -736,10 +737,10 @@ func TestMonitorNodeStatusUpdateStatus(t *testing.T) {
 			t.Errorf("expected %v call, but got %v.", item.expectedRequestCount, item.fakeNodeHandler.RequestCount)
 		}
 		if len(item.fakeNodeHandler.UpdatedNodes) > 0 && !api.Semantic.DeepEqual(item.expectedNodes, item.fakeNodeHandler.UpdatedNodes) {
-			t.Errorf("Case[%d] unexpected nodes: %s", i, util.ObjectDiff(item.expectedNodes[0], item.fakeNodeHandler.UpdatedNodes[0]))
+			t.Errorf("Case[%d] unexpected nodes: %s", i, diff.ObjectDiff(item.expectedNodes[0], item.fakeNodeHandler.UpdatedNodes[0]))
 		}
 		if len(item.fakeNodeHandler.UpdatedNodeStatuses) > 0 && !api.Semantic.DeepEqual(item.expectedNodes, item.fakeNodeHandler.UpdatedNodeStatuses) {
-			t.Errorf("Case[%d] unexpected nodes: %s", i, util.ObjectDiff(item.expectedNodes[0], item.fakeNodeHandler.UpdatedNodeStatuses[0]))
+			t.Errorf("Case[%d] unexpected nodes: %s", i, diff.ObjectDiff(item.expectedNodes[0], item.fakeNodeHandler.UpdatedNodeStatuses[0]))
 		}
 	}
 }

pkg/conversion/converter_test.go

@@ -27,7 +27,7 @@ import (
 	"github.com/google/gofuzz"
 	flag "github.com/spf13/pflag"
 
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 var fuzzIters = flag.Int("fuzz-iters", 50, "How many fuzzing iterations to do.")
@@ -835,12 +835,12 @@ func objDiff(a, b interface{}) string {
 	if err != nil {
 		panic("b")
 	}
-	return util.StringDiff(string(ab), string(bb))
+	return diff.StringDiff(string(ab), string(bb))
 
 	// An alternate diff attempt, in case json isn't showing you
 	// the difference. (reflect.DeepEqual makes a distinction between
 	// nil and empty slices, for example.)
-	//return util.StringDiff(
+	//return diff.StringDiff(
 	//	fmt.Sprintf("%#v", a),
 	//	fmt.Sprintf("%#v", b),
 	//)

pkg/kubectl/cmd/config/config_test.go

@@ -29,7 +29,7 @@ import (
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
 	clientcmdapi "k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func newRedFederalCowHammerConfig() clientcmdapi.Config {
@@ -725,7 +725,7 @@ func (test configCommandTest) run(t *testing.T) string {
 	testClearLocationOfOrigin(&actualConfig)
 
 	if !api.Semantic.DeepEqual(test.expectedConfig, actualConfig) {
-		t.Errorf("diff: %v", util.ObjectDiff(test.expectedConfig, actualConfig))
+		t.Errorf("diff: %v", diff.ObjectDiff(test.expectedConfig, actualConfig))
 		t.Errorf("expected: %#v\n actual:   %#v", test.expectedConfig, actualConfig)
 	}
 

pkg/kubectl/cmd/config/navigation_step_parser_test.go

@@ -22,7 +22,7 @@ import (
 	"testing"
 
 	clientcmdapi "k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 type stepParserTest struct {
@@ -90,7 +90,7 @@ func (test stepParserTest) run(t *testing.T) {
 	}
 
 	if !reflect.DeepEqual(test.expectedNavigationSteps, *actualSteps) {
-		t.Errorf("diff: %v", util.ObjectDiff(test.expectedNavigationSteps, *actualSteps))
+		t.Errorf("diff: %v", diff.ObjectDiff(test.expectedNavigationSteps, *actualSteps))
 		t.Errorf("expected: %#v\n actual:   %#v", test.expectedNavigationSteps, *actualSteps)
 	}
 }

pkg/kubectl/cmd/get_test.go

@@ -35,7 +35,7 @@ import (
 	"k8s.io/kubernetes/pkg/client/restclient"
 	"k8s.io/kubernetes/pkg/client/unversioned/fake"
 	"k8s.io/kubernetes/pkg/runtime"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"k8s.io/kubernetes/pkg/watch"
 	"k8s.io/kubernetes/pkg/watch/json"
 )
@@ -633,7 +633,7 @@ func TestGetMultipleTypeObjectsWithDirectReference(t *testing.T) {
 	expected := []runtime.Object{&svc.Items[0], node}
 	actual := tf.Printer.(*testPrinter).Objects
 	if !api.Semantic.DeepEqual(expected, actual) {
-		t.Errorf("unexpected object: %s", util.ObjectDiff(expected, actual))
+		t.Errorf("unexpected object: %s", diff.ObjectDiff(expected, actual))
 	}
 	if len(buf.String()) == 0 {
 		t.Errorf("unexpected empty output")

pkg/kubectl/resource_printer_test.go

@@ -34,7 +34,7 @@ import (
 	kubectltesting "k8s.io/kubernetes/pkg/kubectl/testing"
 	"k8s.io/kubernetes/pkg/runtime"
 	yamlserializer "k8s.io/kubernetes/pkg/runtime/serializer/yaml"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"k8s.io/kubernetes/pkg/util/intstr"
 	"k8s.io/kubernetes/pkg/util/sets"
 
@@ -182,7 +182,7 @@ func testPrinter(t *testing.T, printer ResourcePrinter, unmarshalFunc func(data
 		t.Fatal(err)
 	}
 	if !reflect.DeepEqual(testData, poutput) {
-		t.Errorf("Test data and unmarshaled data are not equal: %v", util.ObjectDiff(poutput, testData))
+		t.Errorf("Test data and unmarshaled data are not equal: %v", diff.ObjectDiff(poutput, testData))
 	}
 
 	obj := &api.Pod{
@@ -202,7 +202,7 @@ func testPrinter(t *testing.T, printer ResourcePrinter, unmarshalFunc func(data
 		t.Fatal(err)
 	}
 	if !reflect.DeepEqual(obj, &objOut) {
-		t.Errorf("Unexpected inequality:\n%v", util.ObjectDiff(obj, &objOut))
+		t.Errorf("Unexpected inequality:\n%v", diff.ObjectDiff(obj, &objOut))
 	}
 }
 

pkg/kubelet/kubelet_test.go

@@ -61,6 +61,7 @@ import (
 	"k8s.io/kubernetes/pkg/types"
 	"k8s.io/kubernetes/pkg/util"
 	"k8s.io/kubernetes/pkg/util/bandwidth"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"k8s.io/kubernetes/pkg/util/mount"
 	utilruntime "k8s.io/kubernetes/pkg/util/runtime"
 	"k8s.io/kubernetes/pkg/util/sets"
@@ -2771,7 +2772,7 @@ func TestUpdateNewNodeStatus(t *testing.T) {
 	}
 
 	if !api.Semantic.DeepEqual(expectedNode, updatedNode) {
-		t.Errorf("unexpected objects: %s", util.ObjectDiff(expectedNode, updatedNode))
+		t.Errorf("unexpected objects: %s", diff.ObjectDiff(expectedNode, updatedNode))
 	}
 }
 
@@ -2846,7 +2847,7 @@ func TestUpdateNewNodeOutOfDiskStatusWithTransitionFrequency(t *testing.T) {
 	}
 
 	if !reflect.DeepEqual(expectedNodeOutOfDiskCondition, oodCondition) {
-		t.Errorf("unexpected objects: %s", util.ObjectDiff(expectedNodeOutOfDiskCondition, oodCondition))
+		t.Errorf("unexpected objects: %s", diff.ObjectDiff(expectedNodeOutOfDiskCondition, oodCondition))
 	}
 }
 
@@ -3282,7 +3283,7 @@ func TestUpdateNodeStatusWithRuntimeStateError(t *testing.T) {
 			LastTransitionTime: unversioned.Time{},
 		}
 		if !api.Semantic.DeepEqual(expectedNode, updatedNode) {
-			t.Errorf("unexpected objects: %s", util.ObjectDiff(expectedNode, updatedNode))
+			t.Errorf("unexpected objects: %s", diff.ObjectDiff(expectedNode, updatedNode))
 		}
 	}
 

pkg/kubelet/pleg/generic_test.go

@@ -28,6 +28,7 @@ import (
 	containertest "k8s.io/kubernetes/pkg/kubelet/container/testing"
 	"k8s.io/kubernetes/pkg/types"
 	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 const (
@@ -86,7 +87,7 @@ func verifyEvents(t *testing.T, expected, actual []*PodLifecycleEvent) {
 	sort.Sort(sortableEvents(expected))
 	sort.Sort(sortableEvents(actual))
 	if !reflect.DeepEqual(expected, actual) {
-		t.Errorf("Actual events differ from the expected; diff:\n %v", util.ObjectDiff(expected, actual))
+		t.Errorf("Actual events differ from the expected; diff:\n %v", diff.ObjectDiff(expected, actual))
 	}
 }
 

pkg/kubelet/status/manager.go

@@ -32,7 +32,7 @@ import (
 	kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
 	"k8s.io/kubernetes/pkg/kubelet/util/format"
 	"k8s.io/kubernetes/pkg/types"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"k8s.io/kubernetes/pkg/util/wait"
 )
 
@@ -453,7 +453,7 @@ func (m *manager) needsReconcile(uid types.UID, status api.PodStatus) bool {
 		return false
 	}
 	glog.V(3).Infof("Pod status is inconsistent with cached status for pod %q, a reconciliation should be triggered:\n %+v", format.Pod(pod),
-		util.ObjectDiff(podStatus, status))
+		diff.ObjectDiff(podStatus, status))
 
 	return true
 }

pkg/registry/componentstatus/rest_test.go

@@ -25,7 +25,7 @@ import (
 	"k8s.io/kubernetes/pkg/api"
 	"k8s.io/kubernetes/pkg/apiserver"
 	"k8s.io/kubernetes/pkg/probe"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"net/http"
 	"net/url"
 	"time"
@@ -82,7 +82,7 @@ func TestList_NoError(t *testing.T) {
 		Items: []api.ComponentStatus{*(createTestStatus("test1", api.ConditionTrue, "ok", ""))},
 	}
 	if e, a := expect, got; !reflect.DeepEqual(e, a) {
-		t.Errorf("Got unexpected object. Diff: %s", util.ObjectDiff(e, a))
+		t.Errorf("Got unexpected object. Diff: %s", diff.ObjectDiff(e, a))
 	}
 }
 
@@ -97,7 +97,7 @@ func TestList_FailedCheck(t *testing.T) {
 			*(createTestStatus("test1", api.ConditionFalse, "", ""))},
 	}
 	if e, a := expect, got; !reflect.DeepEqual(e, a) {
-		t.Errorf("Got unexpected object. Diff: %s", util.ObjectDiff(e, a))
+		t.Errorf("Got unexpected object. Diff: %s", diff.ObjectDiff(e, a))
 	}
 }
 
@@ -112,7 +112,7 @@ func TestList_UnknownError(t *testing.T) {
 			*(createTestStatus("test1", api.ConditionUnknown, "", "fizzbuzz error"))},
 	}
 	if e, a := expect, got; !reflect.DeepEqual(e, a) {
-		t.Errorf("Got unexpected object. Diff: %s", util.ObjectDiff(e, a))
+		t.Errorf("Got unexpected object. Diff: %s", diff.ObjectDiff(e, a))
 	}
 }
 
@@ -124,7 +124,7 @@ func TestGet_NoError(t *testing.T) {
 	}
 	expect := createTestStatus("test1", api.ConditionTrue, "ok", "")
 	if e, a := expect, got; !reflect.DeepEqual(e, a) {
-		t.Errorf("Got unexpected object. Diff: %s", util.ObjectDiff(e, a))
+		t.Errorf("Got unexpected object. Diff: %s", diff.ObjectDiff(e, a))
 	}
 }
 

pkg/registry/controller/etcd/etcd_test.go

@@ -28,7 +28,7 @@ import (
 	"k8s.io/kubernetes/pkg/registry/registrytest"
 	"k8s.io/kubernetes/pkg/runtime"
 	etcdtesting "k8s.io/kubernetes/pkg/storage/etcd/testing"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 const (
@@ -273,7 +273,7 @@ func TestScaleGet(t *testing.T) {
 	}
 	got := obj.(*autoscaling.Scale)
 	if !api.Semantic.DeepEqual(want, got) {
-		t.Errorf("unexpected scale: %s", util.ObjectDiff(want, got))
+		t.Errorf("unexpected scale: %s", diff.ObjectDiff(want, got))
 	}
 }
 

pkg/registry/deployment/etcd/etcd_test.go

@@ -32,7 +32,7 @@ import (
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/storage/etcd/etcdtest"
 	etcdtesting "k8s.io/kubernetes/pkg/storage/etcd/testing"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 const defaultReplicas = 100
@@ -216,7 +216,7 @@ func TestScaleGet(t *testing.T) {
 	}
 	got := obj.(*extensions.Scale)
 	if !api.Semantic.DeepEqual(want, got) {
-		t.Errorf("unexpected scale: %s", util.ObjectDiff(want, got))
+		t.Errorf("unexpected scale: %s", diff.ObjectDiff(want, got))
 	}
 }
 

pkg/registry/event/strategy_test.go

@@ -25,7 +25,7 @@ import (
 	apitesting "k8s.io/kubernetes/pkg/api/testing"
 	"k8s.io/kubernetes/pkg/fields"
 	"k8s.io/kubernetes/pkg/labels"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func testEvent(name string) *api.Event {
@@ -65,7 +65,7 @@ func TestGetAttrs(t *testing.T) {
 		t.Fatalf("Unexpected error %v", err)
 	}
 	if e, a := label, (labels.Set{}); !reflect.DeepEqual(e, a) {
-		t.Errorf("diff: %s", util.ObjectDiff(e, a))
+		t.Errorf("diff: %s", diff.ObjectDiff(e, a))
 	}
 	expect := fields.Set{
 		"metadata.name":                  "f0118",
@@ -82,7 +82,7 @@ func TestGetAttrs(t *testing.T) {
 		"type":                           api.EventTypeNormal,
 	}
 	if e, a := expect, field; !reflect.DeepEqual(e, a) {
-		t.Errorf("diff: %s", util.ObjectDiff(e, a))
+		t.Errorf("diff: %s", diff.ObjectDiff(e, a))
 	}
 }
 

pkg/registry/persistentvolume/etcd/etcd_test.go

@@ -28,7 +28,7 @@ import (
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/storage/etcd/etcdtest"
 	etcdtesting "k8s.io/kubernetes/pkg/storage/etcd/testing"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func newStorage(t *testing.T) (*REST, *StatusREST, *etcdtesting.EtcdTestServer) {
@@ -178,6 +178,6 @@ func TestUpdateStatus(t *testing.T) {
 	pvOut := obj.(*api.PersistentVolume)
 	// only compare the relevant change b/c metadata will differ
 	if !api.Semantic.DeepEqual(pvIn.Status, pvOut.Status) {
-		t.Errorf("unexpected object: %s", util.ObjectDiff(pvIn.Status, pvOut.Status))
+		t.Errorf("unexpected object: %s", diff.ObjectDiff(pvIn.Status, pvOut.Status))
 	}
 }

pkg/registry/persistentvolumeclaim/etcd/etcd_test.go

@@ -28,7 +28,7 @@ import (
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/storage/etcd/etcdtest"
 	etcdtesting "k8s.io/kubernetes/pkg/storage/etcd/testing"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func newStorage(t *testing.T) (*REST, *StatusREST, *etcdtesting.EtcdTestServer) {
@@ -179,6 +179,6 @@ func TestUpdateStatus(t *testing.T) {
 	pvcOut := obj.(*api.PersistentVolumeClaim)
 	// only compare relevant changes b/c of difference in metadata
 	if !api.Semantic.DeepEqual(pvc.Status, pvcOut.Status) {
-		t.Errorf("unexpected object: %s", util.ObjectDiff(pvc.Status, pvcOut.Status))
+		t.Errorf("unexpected object: %s", diff.ObjectDiff(pvc.Status, pvcOut.Status))
 	}
 }

pkg/registry/pod/etcd/etcd_test.go

@@ -35,7 +35,7 @@ import (
 	"k8s.io/kubernetes/pkg/storage"
 	"k8s.io/kubernetes/pkg/storage/etcd/etcdtest"
 	etcdtesting "k8s.io/kubernetes/pkg/storage/etcd/testing"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func newStorage(t *testing.T) (*REST, *BindingREST, *StatusREST, *etcdtesting.EtcdTestServer) {
@@ -620,7 +620,7 @@ func TestEtcdUpdateNotScheduled(t *testing.T) {
 	podOut := obj.(*api.Pod)
 	// validChangedPod only changes the Labels, so were checking the update was valid
 	if !api.Semantic.DeepEqual(podIn.Labels, podOut.Labels) {
-		t.Errorf("objects differ: %v", util.ObjectDiff(podOut, podIn))
+		t.Errorf("objects differ: %v", diff.ObjectDiff(podOut, podIn))
 	}
 }
 
@@ -688,7 +688,7 @@ func TestEtcdUpdateScheduled(t *testing.T) {
 	podOut := obj.(*api.Pod)
 	// Check to verify the Spec and Label updates match from change above.  Those are the fields changed.
 	if !api.Semantic.DeepEqual(podOut.Spec, podIn.Spec) || !api.Semantic.DeepEqual(podOut.Labels, podIn.Labels) {
-		t.Errorf("objects differ: %v", util.ObjectDiff(podOut, podIn))
+		t.Errorf("objects differ: %v", diff.ObjectDiff(podOut, podIn))
 	}
 
 }
@@ -770,6 +770,6 @@ func TestEtcdUpdateStatus(t *testing.T) {
 	if !api.Semantic.DeepEqual(podOut.Spec, podIn.Spec) ||
 		!api.Semantic.DeepEqual(podOut.Labels, podIn.Labels) ||
 		!api.Semantic.DeepEqual(podOut.Status, podIn.Status) {
-		t.Errorf("objects differ: %v", util.ObjectDiff(podOut, podIn))
+		t.Errorf("objects differ: %v", diff.ObjectDiff(podOut, podIn))
 	}
 }

pkg/registry/replicaset/etcd/etcd_test.go

@@ -30,7 +30,7 @@ import (
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/storage/etcd/etcdtest"
 	etcdtesting "k8s.io/kubernetes/pkg/storage/etcd/testing"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 const defaultReplicas = 100
@@ -277,7 +277,7 @@ func TestScaleGet(t *testing.T) {
 		t.Fatalf("error fetching scale for %s: %v", name, err)
 	}
 	if !api.Semantic.DeepEqual(got, want) {
-		t.Errorf("unexpected scale: %s", util.ObjectDiff(got, want))
+		t.Errorf("unexpected scale: %s", diff.ObjectDiff(got, want))
 	}
 }
 

pkg/registry/resourcequota/etcd/etcd_test.go

@@ -27,7 +27,7 @@ import (
 	"k8s.io/kubernetes/pkg/registry/registrytest"
 	"k8s.io/kubernetes/pkg/storage/etcd/etcdtest"
 	etcdtesting "k8s.io/kubernetes/pkg/storage/etcd/testing"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func newStorage(t *testing.T) (*REST, *StatusREST, *etcdtesting.EtcdTestServer) {
@@ -185,6 +185,6 @@ func TestUpdateStatus(t *testing.T) {
 	rqOut := obj.(*api.ResourceQuota)
 	// only compare the meaningful update b/c we can't compare due to metadata
 	if !api.Semantic.DeepEqual(resourcequotaIn.Status, rqOut.Status) {
-		t.Errorf("unexpected object: %s", util.ObjectDiff(resourcequotaIn, rqOut))
+		t.Errorf("unexpected object: %s", diff.ObjectDiff(resourcequotaIn, rqOut))
 	}
 }

pkg/runtime/embedded_test.go

@@ -26,7 +26,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/runtime/serializer"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 type EmbeddedTest struct {
@@ -169,7 +169,7 @@ func TestArrayOfRuntimeObject(t *testing.T) {
 	// we want DecodeList to set type meta if possible, even on runtime.Unknown objects
 	internal.Items[2].(*runtime.Unknown).TypeMeta = runtime.TypeMeta{Kind: "OtherTest", APIVersion: "unknown.group/unknown"}
 	if e, a := internal.Items, list; !reflect.DeepEqual(e, a) {
-		t.Errorf("mismatched decoded: %s", util.ObjectGoPrintSideBySide(e, a))
+		t.Errorf("mismatched decoded: %s", diff.ObjectGoPrintSideBySide(e, a))
 	}
 }
 

pkg/runtime/scheme_test.go

@@ -27,7 +27,7 @@ import (
 	"k8s.io/kubernetes/pkg/conversion"
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/runtime/serializer"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 var fuzzIters = flag.Int("fuzz-iters", 50, "How many fuzzing iterations to do.")
@@ -239,7 +239,7 @@ func TestExternalToInternalMapping(t *testing.T) {
 		if err != nil {
 			t.Errorf("unexpected error '%v' (%v)", err, item.encoded)
 		} else if e, a := item.obj, gotDecoded; !reflect.DeepEqual(e, a) {
-			t.Errorf("%d: unexpected objects:\n%s", i, util.ObjectGoPrintSideBySide(e, a))
+			t.Errorf("%d: unexpected objects:\n%s", i, diff.ObjectGoPrintSideBySide(e, a))
 		}
 	}
 }
@@ -314,7 +314,7 @@ func TestExtensionMapping(t *testing.T) {
 		if err != nil {
 			t.Errorf("unexpected error '%v' (%v)", err, item.encoded)
 		} else if e, a := item.expected, gotDecoded; !reflect.DeepEqual(e, a) {
-			t.Errorf("%d: unexpected objects:\n%s", i, util.ObjectGoPrintSideBySide(e, a))
+			t.Errorf("%d: unexpected objects:\n%s", i, diff.ObjectGoPrintSideBySide(e, a))
 		}
 	}
 }

pkg/runtime/serializer/codec_test.go

@@ -28,7 +28,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/conversion"
 	"k8s.io/kubernetes/pkg/runtime"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 
 	"github.com/ghodss/yaml"
 	"github.com/google/gofuzz"
@@ -187,12 +187,12 @@ func objDiff(a, b interface{}) string {
 	if err != nil {
 		panic("b")
 	}
-	return util.StringDiff(string(ab), string(bb))
+	return diff.StringDiff(string(ab), string(bb))
 
 	// An alternate diff attempt, in case json isn't showing you
 	// the difference. (reflect.DeepEqual makes a distinction between
 	// nil and empty slices, for example.)
-	//return util.StringDiff(
+	//return diff.StringDiff(
 	//  fmt.Sprintf("%#v", a),
 	//  fmt.Sprintf("%#v", b),
 	//)
@@ -222,7 +222,7 @@ func runTest(t *testing.T, source interface{}) {
 		return
 	}
 	if !semantic.DeepEqual(source, obj2) {
-		t.Errorf("1: %v: diff: %v", name, util.ObjectGoPrintSideBySide(source, obj2))
+		t.Errorf("1: %v: diff: %v", name, diff.ObjectGoPrintSideBySide(source, obj2))
 		return
 	}
 	obj3 := reflect.New(reflect.TypeOf(source).Elem()).Interface()

pkg/runtime/serializer/json/json_test.go

@@ -25,7 +25,7 @@ import (
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/runtime"
 	"k8s.io/kubernetes/pkg/runtime/serializer/json"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 type testDecodable struct {
@@ -244,7 +244,7 @@ func TestDecode(t *testing.T) {
 		}
 
 		if !reflect.DeepEqual(test.expectedObject, obj) {
-			t.Errorf("%d: unexpected object:\n%s", i, util.ObjectGoPrintSideBySide(test.expectedObject, obj))
+			t.Errorf("%d: unexpected object:\n%s", i, diff.ObjectGoPrintSideBySide(test.expectedObject, obj))
 		}
 	}
 }

pkg/runtime/serializer/versioning/versioning_test.go

@@ -24,7 +24,7 @@ import (
 
 	"k8s.io/kubernetes/pkg/api/unversioned"
 	"k8s.io/kubernetes/pkg/runtime"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 type testDecodable struct {
@@ -201,11 +201,11 @@ func TestDecode(t *testing.T) {
 		switch {
 		case test.expectedObject != nil:
 			if !reflect.DeepEqual(test.expectedObject, obj) {
-				t.Errorf("%d: unexpected object:\n%s", i, util.ObjectGoPrintSideBySide(test.expectedObject, obj))
+				t.Errorf("%d: unexpected object:\n%s", i, diff.ObjectGoPrintSideBySide(test.expectedObject, obj))
 			}
 		case test.sameObject != nil:
 			if test.sameObject != obj {
-				t.Errorf("%d: unexpected object:\n%s", i, util.ObjectGoPrintSideBySide(test.sameObject, obj))
+				t.Errorf("%d: unexpected object:\n%s", i, diff.ObjectGoPrintSideBySide(test.sameObject, obj))
 			}
 		case obj != nil:
 			t.Errorf("%d: unexpected object: %#v", i, obj)

pkg/util/diff/diff.go

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-package util
+package diff
 
 import (
 	"bytes"

pkg/util/util_test.go

@@ -18,10 +18,12 @@ package util
 
 import (
 	"testing"
+
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func TestStringDiff(t *testing.T) {
-	diff := StringDiff("aaabb", "aaacc")
+	diff := diff.StringDiff("aaabb", "aaacc")
 	expect := "aaa\n\nA: bb\n\nB: cc\n\n"
 	if diff != expect {
 		t.Errorf("diff returned %v", diff)

plugin/pkg/auth/authorizer/webhook/webhook_test.go

@@ -35,7 +35,7 @@ import (
 	"k8s.io/kubernetes/pkg/auth/authorizer"
 	"k8s.io/kubernetes/pkg/auth/user"
 	"k8s.io/kubernetes/pkg/client/unversioned/clientcmd/api/v1"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 )
 
 func TestNewFromConfig(t *testing.T) {
@@ -467,7 +467,7 @@ func TestWebhook(t *testing.T) {
 			continue
 		}
 		if !reflect.DeepEqual(gotAttr, tt.want) {
-			t.Errorf("case %d: got != want:\n%s", i, util.ObjectGoPrintDiff(gotAttr, tt.want))
+			t.Errorf("case %d: got != want:\n%s", i, diff.ObjectGoPrintDiff(gotAttr, tt.want))
 		}
 	}
 }

plugin/pkg/scheduler/scheduler_test.go

@@ -30,7 +30,7 @@ import (
 	"k8s.io/kubernetes/pkg/client/cache"
 	"k8s.io/kubernetes/pkg/client/record"
 	"k8s.io/kubernetes/pkg/labels"
-	"k8s.io/kubernetes/pkg/util"
+	"k8s.io/kubernetes/pkg/util/diff"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm/predicates"
 	"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
@@ -155,7 +155,7 @@ func TestScheduler(t *testing.T) {
 			t.Errorf("%v: error: wanted %v, got %v", i, e, a)
 		}
 		if e, a := item.expectBind, gotBinding; !reflect.DeepEqual(e, a) {
-			t.Errorf("%v: error: %s", i, util.ObjectDiff(e, a))
+			t.Errorf("%v: error: %s", i, diff.ObjectDiff(e, a))
 		}
 		<-called
 		events.Stop()
@@ -268,7 +268,7 @@ func TestSchedulerForgetAssumedPodAfterDelete(t *testing.T) {
 		Target:     api.ObjectReference{Kind: "Node", Name: "machine1"},
 	}
 	if ex, ac := expectBind, gotBinding; !reflect.DeepEqual(ex, ac) {
-		t.Errorf("Expected exact match on binding: %s", util.ObjectDiff(ex, ac))
+		t.Errorf("Expected exact match on binding: %s", diff.ObjectDiff(ex, ac))
 	}
 
 	<-called
@@ -318,7 +318,7 @@ func TestSchedulerForgetAssumedPodAfterDelete(t *testing.T) {
 		Target:     api.ObjectReference{Kind: "Node", Name: "machine1"},
 	}
 	if ex, ac := expectBind, gotBinding; !reflect.DeepEqual(ex, ac) {
-		t.Errorf("Expected exact match on binding: %s", util.ObjectDiff(ex, ac))
+		t.Errorf("Expected exact match on binding: %s", diff.ObjectDiff(ex, ac))
 	}
 	<-called
 	events.Stop()