kubernetes events_test 源码
kubernetes events_test 代码
文件路径:/staging/src/k8s.io/kubectl/pkg/cmd/events/events_test.go
/*
Copyright 2022 The Kubernetes Authors.
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 events
import (
"io"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
"net/http"
"testing"
"time"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/cli-runtime/pkg/genericclioptions"
"k8s.io/client-go/kubernetes/scheme"
"k8s.io/client-go/rest/fake"
cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
)
func getFakeEvents() *corev1.EventList {
return &corev1.EventList{
Items: []corev1.Event{
{
ObjectMeta: metav1.ObjectMeta{
Name: "bar-000",
Namespace: "foo",
},
InvolvedObject: corev1.ObjectReference{
APIVersion: "apps/v1",
Kind: "Deployment",
Name: "bar",
Namespace: "foo",
UID: "00000000-0000-0000-0000-000000000001",
},
Type: corev1.EventTypeNormal,
Reason: "ScalingReplicaSet",
Message: "Scaled up replica set bar-002 to 1",
ReportingController: "deployment-controller",
EventTime: metav1.NewMicroTime(time.Now().Add(-30 * time.Minute)),
Series: &corev1.EventSeries{
Count: 3,
LastObservedTime: metav1.NewMicroTime(time.Now().Add(-20 * time.Minute)),
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "bar-001",
Namespace: "foo",
},
InvolvedObject: corev1.ObjectReference{
APIVersion: "apps/v1",
Kind: "Deployment",
Name: "bar",
Namespace: "foo",
UID: "00000000-0000-0000-0000-000000000001",
},
Type: corev1.EventTypeWarning,
Reason: "ScalingReplicaSet",
Message: "Scaled up replica set bar-002 to 1",
ReportingController: "deployment-controller",
EventTime: metav1.NewMicroTime(time.Now().Add(-28 * time.Minute)),
Series: &corev1.EventSeries{
Count: 3,
LastObservedTime: metav1.NewMicroTime(time.Now().Add(-18 * time.Minute)),
},
},
{
ObjectMeta: metav1.ObjectMeta{
Name: "bar-002",
Namespace: "otherfoo",
},
InvolvedObject: corev1.ObjectReference{
APIVersion: "apps/v1",
Kind: "Deployment",
Name: "bar",
Namespace: "otherfoo",
UID: "00000000-0000-0000-0000-000000000001",
},
Type: corev1.EventTypeNormal,
Reason: "ScalingReplicaSet",
Message: "Scaled up replica set bar-002 to 1",
ReportingController: "deployment-controller",
EventTime: metav1.NewMicroTime(time.Now().Add(-25 * time.Minute)),
Series: &corev1.EventSeries{
Count: 3,
LastObservedTime: metav1.NewMicroTime(time.Now().Add(-15 * time.Minute)),
},
},
},
}
}
func TestEventIsSorted(t *testing.T) {
codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
streams, _, buf, _ := genericclioptions.NewTestIOStreams()
clientset, err := kubernetes.NewForConfig(cmdtesting.DefaultClientConfig())
if err != err {
t.Fatal(err)
}
clientset.CoreV1().RESTClient().(*restclient.RESTClient).Client = fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, getFakeEvents())}, nil
})
printer := NewEventPrinter(false, true)
options := &EventsOptions{
AllNamespaces: true,
client: clientset,
PrintObj: func(object runtime.Object, writer io.Writer) error {
return printer.PrintObj(object, writer)
},
IOStreams: streams,
}
err = options.Run()
if err != nil {
t.Fatal(err)
}
expected := `NAMESPACE LAST SEEN TYPE REASON OBJECT MESSAGE
foo 20m (x3 over 30m) Normal ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 to 1
foo 18m (x3 over 28m) Warning ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 to 1
otherfoo 15m (x3 over 25m) Normal ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 to 1
`
if e, a := expected, buf.String(); e != a {
t.Errorf("expected\n%v\ngot\n%v", e, a)
}
}
func TestEventNoHeaders(t *testing.T) {
codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
streams, _, buf, _ := genericclioptions.NewTestIOStreams()
clientset, err := kubernetes.NewForConfig(cmdtesting.DefaultClientConfig())
if err != err {
t.Fatal(err)
}
clientset.CoreV1().RESTClient().(*restclient.RESTClient).Client = fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, getFakeEvents())}, nil
})
printer := NewEventPrinter(true, true)
options := &EventsOptions{
AllNamespaces: true,
client: clientset,
PrintObj: func(object runtime.Object, writer io.Writer) error {
return printer.PrintObj(object, writer)
},
IOStreams: streams,
}
err = options.Run()
if err != nil {
t.Fatal(err)
}
expected := `foo 20m (x3 over 30m) Normal ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 to 1
foo 18m (x3 over 28m) Warning ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 to 1
otherfoo 15m (x3 over 25m) Normal ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 to 1
`
if e, a := expected, buf.String(); e != a {
t.Errorf("expected\n%v\ngot\n%v", e, a)
}
}
func TestEventFiltered(t *testing.T) {
codec := scheme.Codecs.LegacyCodec(scheme.Scheme.PrioritizedVersionsAllGroups()...)
streams, _, buf, _ := genericclioptions.NewTestIOStreams()
clientset, err := kubernetes.NewForConfig(cmdtesting.DefaultClientConfig())
if err != err {
t.Fatal(err)
}
clientset.CoreV1().RESTClient().(*restclient.RESTClient).Client = fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: cmdtesting.ObjBody(codec, getFakeEvents())}, nil
})
printer := NewEventPrinter(false, true)
options := &EventsOptions{
AllNamespaces: true,
client: clientset,
FilterTypes: []string{"WARNING"},
PrintObj: func(object runtime.Object, writer io.Writer) error {
return printer.PrintObj(object, writer)
},
IOStreams: streams,
}
err = options.Run()
if err != nil {
t.Fatal(err)
}
expected := `NAMESPACE LAST SEEN TYPE REASON OBJECT MESSAGE
foo 18m (x3 over 28m) Warning ScalingReplicaSet Deployment/bar Scaled up replica set bar-002 to 1
`
if e, a := expected, buf.String(); e != a {
t.Errorf("expected\n%v\ngot\n%v", e, a)
}
}
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