220 lines
7.3 KiB
Go
220 lines
7.3 KiB
Go
/*
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Copyright 2022 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package events
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import (
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"io"
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"net/http"
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"testing"
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"time"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/cli-runtime/pkg/genericiooptions"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/kubernetes/scheme"
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restclient "k8s.io/client-go/rest"
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"k8s.io/client-go/rest/fake"
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cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
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)
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func getFakeEvents() *corev1.EventList {
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return &corev1.EventList{
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Items: []corev1.Event{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "bar-000",
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Namespace: "foo",
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},
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InvolvedObject: corev1.ObjectReference{
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APIVersion: "apps/v1",
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Kind: "Deployment",
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Name: "bar",
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Namespace: "foo",
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UID: "00000000-0000-0000-0000-000000000001",
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},
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Type: corev1.EventTypeNormal,
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Reason: "ScalingReplicaSet",
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Message: "Scaled up replica set bar-002 from 0 to 1",
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ReportingController: "deployment-controller",
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EventTime: metav1.NewMicroTime(time.Now().Add(-30 * time.Minute)),
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Series: &corev1.EventSeries{
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Count: 3,
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LastObservedTime: metav1.NewMicroTime(time.Now().Add(-20 * time.Minute)),
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},
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},
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "bar-001",
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Namespace: "foo",
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},
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InvolvedObject: corev1.ObjectReference{
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APIVersion: "apps/v1",
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Kind: "Deployment",
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Name: "bar",
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Namespace: "foo",
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UID: "00000000-0000-0000-0000-000000000001",
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},
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Type: corev1.EventTypeWarning,
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Reason: "ScalingReplicaSet",
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Message: "Scaled up replica set bar-002 from 0 to 1",
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ReportingController: "deployment-controller",
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EventTime: metav1.NewMicroTime(time.Now().Add(-28 * time.Minute)),
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Series: &corev1.EventSeries{
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Count: 3,
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LastObservedTime: metav1.NewMicroTime(time.Now().Add(-18 * time.Minute)),
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},
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},
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "bar-002",
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Namespace: "otherfoo",
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},
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InvolvedObject: corev1.ObjectReference{
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APIVersion: "apps/v1",
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Kind: "Deployment",
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Name: "bar",
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Namespace: "otherfoo",
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UID: "00000000-0000-0000-0000-000000000001",
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},
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Type: corev1.EventTypeNormal,
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Reason: "ScalingReplicaSet",
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Message: "Scaled up replica set bar-002 from 0 to 1",
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ReportingController: "deployment-controller",
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EventTime: metav1.NewMicroTime(time.Now().Add(-25 * time.Minute)),
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Series: &corev1.EventSeries{
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Count: 3,
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LastObservedTime: metav1.NewMicroTime(time.Now().Add(-15 * time.Minute)),
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},
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},
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},
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}
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}
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func TestEventIsSorted(t *testing.T) {
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codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
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streams, _, buf, _ := genericiooptions.NewTestIOStreams()
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clientset, err := kubernetes.NewForConfig(cmdtesting.DefaultClientConfig())
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if err != nil {
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t.Fatal(err)
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}
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clientset.CoreV1().RESTClient().(*restclient.RESTClient).Client = fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, getFakeEvents())}, nil
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})
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printer := NewEventPrinter(false, true)
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options := &EventsOptions{
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AllNamespaces: true,
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client: clientset,
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PrintObj: func(object runtime.Object, writer io.Writer) error {
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return printer.PrintObj(object, writer)
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},
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IOStreams: streams,
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}
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err = options.Run()
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if err != nil {
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t.Fatal(err)
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}
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expected := `NAMESPACE LAST SEEN TYPE REASON OBJECT MESSAGE
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foo 20m (x3 over 30m) Normal ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 from 0 to 1
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foo 18m (x3 over 28m) Warning ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 from 0 to 1
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otherfoo 15m (x3 over 25m) Normal ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 from 0 to 1
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`
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if e, a := expected, buf.String(); e != a {
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t.Errorf("expected\n%v\ngot\n%v", e, a)
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}
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}
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func TestEventNoHeaders(t *testing.T) {
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codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
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streams, _, buf, _ := genericiooptions.NewTestIOStreams()
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clientset, err := kubernetes.NewForConfig(cmdtesting.DefaultClientConfig())
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if err != nil {
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t.Fatal(err)
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}
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clientset.CoreV1().RESTClient().(*restclient.RESTClient).Client = fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, getFakeEvents())}, nil
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})
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printer := NewEventPrinter(true, true)
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options := &EventsOptions{
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AllNamespaces: true,
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client: clientset,
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PrintObj: func(object runtime.Object, writer io.Writer) error {
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return printer.PrintObj(object, writer)
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},
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IOStreams: streams,
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}
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err = options.Run()
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if err != nil {
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t.Fatal(err)
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}
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expected := `foo 20m (x3 over 30m) Normal ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 from 0 to 1
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foo 18m (x3 over 28m) Warning ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 from 0 to 1
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otherfoo 15m (x3 over 25m) Normal ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 from 0 to 1
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`
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if e, a := expected, buf.String(); e != a {
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t.Errorf("expected\n%v\ngot\n%v", e, a)
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}
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}
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func TestEventFiltered(t *testing.T) {
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codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
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streams, _, buf, _ := genericiooptions.NewTestIOStreams()
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clientset, err := kubernetes.NewForConfig(cmdtesting.DefaultClientConfig())
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if err != nil {
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t.Fatal(err)
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}
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clientset.CoreV1().RESTClient().(*restclient.RESTClient).Client = fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
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return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, getFakeEvents())}, nil
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})
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printer := NewEventPrinter(false, true)
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options := &EventsOptions{
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AllNamespaces: true,
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client: clientset,
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FilterTypes: []string{"WARNING"},
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PrintObj: func(object runtime.Object, writer io.Writer) error {
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return printer.PrintObj(object, writer)
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},
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IOStreams: streams,
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}
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err = options.Run()
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if err != nil {
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t.Fatal(err)
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}
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expected := `NAMESPACE LAST SEEN TYPE REASON OBJECT MESSAGE
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foo 18m (x3 over 28m) Warning ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 from 0 to 1
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`
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if e, a := expected, buf.String(); e != a {
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t.Errorf("expected\n%v\ngot\n%v", e, a)
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}
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}
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