mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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391 lines
12 KiB
Go
391 lines
12 KiB
Go
/*
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Copyright 2016 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 cronjob
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import (
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"strings"
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"testing"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/kubernetes/pkg/api/v1"
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batch "k8s.io/kubernetes/pkg/apis/batch/v2alpha1"
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)
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func TestGetJobFromTemplate(t *testing.T) {
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// getJobFromTemplate() needs to take the job template and copy the labels and annotations
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// and other fields, and add a created-by reference.
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var one int64 = 1
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var no bool = false
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sj := batch.CronJob{
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ObjectMeta: metav1.ObjectMeta{
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Name: "mycronjob",
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Namespace: "snazzycats",
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UID: types.UID("1a2b3c"),
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SelfLink: "/apis/batch/v1/namespaces/snazzycats/jobs/mycronjob",
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},
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Spec: batch.CronJobSpec{
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Schedule: "* * * * ?",
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ConcurrencyPolicy: batch.AllowConcurrent,
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JobTemplate: batch.JobTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"a": "b"},
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Annotations: map[string]string{"x": "y"},
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},
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Spec: batch.JobSpec{
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ActiveDeadlineSeconds: &one,
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ManualSelector: &no,
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{Image: "foo/bar"},
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},
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},
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},
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},
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},
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},
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}
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var job *batch.Job
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job, err := getJobFromTemplate(&sj, time.Time{})
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if err != nil {
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t.Errorf("Did not expect error: %s", err)
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}
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if !strings.HasPrefix(job.ObjectMeta.Name, "mycronjob-") {
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t.Errorf("Wrong Name")
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}
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if len(job.ObjectMeta.Labels) != 1 {
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t.Errorf("Wrong number of labels")
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}
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if len(job.ObjectMeta.Annotations) != 2 {
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t.Errorf("Wrong number of annotations")
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}
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v, ok := job.ObjectMeta.Annotations[v1.CreatedByAnnotation]
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if !ok {
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t.Errorf("Missing created-by annotation")
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}
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expectedCreatedBy := `{"kind":"SerializedReference","apiVersion":"v1","reference":{"kind":"CronJob","namespace":"snazzycats","name":"mycronjob","uid":"1a2b3c","apiVersion":"batch"}}
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`
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if len(v) != len(expectedCreatedBy) {
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t.Errorf("Wrong length for created-by annotation, expected %v got %v", len(expectedCreatedBy), len(v))
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}
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if v != expectedCreatedBy {
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t.Errorf("Wrong value for created-by annotation, expected %v got %v", expectedCreatedBy, v)
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}
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}
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func TestGetParentUIDFromJob(t *testing.T) {
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j := &batch.Job{
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ObjectMeta: metav1.ObjectMeta{
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Name: "foobar",
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Namespace: metav1.NamespaceDefault,
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},
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Spec: batch.JobSpec{
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Selector: &metav1.LabelSelector{
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MatchLabels: map[string]string{"foo": "bar"},
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},
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{Image: "foo/bar"},
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},
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},
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},
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},
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Status: batch.JobStatus{
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Conditions: []batch.JobCondition{{
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Type: batch.JobComplete,
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Status: v1.ConditionTrue,
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}},
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},
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}
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{
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// Case 1: No UID annotation
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_, found := getParentUIDFromJob(*j)
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if found {
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t.Errorf("Unexpectedly found uid")
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}
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}
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{
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// Case 2: Has UID annotation
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j.ObjectMeta.Annotations = map[string]string{v1.CreatedByAnnotation: `{"kind":"SerializedReference","apiVersion":"v1","reference":{"kind":"CronJob","namespace":"default","name":"pi","uid":"5ef034e0-1890-11e6-8935-42010af0003e","apiVersion":"extensions","resourceVersion":"427339"}}`}
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expectedUID := types.UID("5ef034e0-1890-11e6-8935-42010af0003e")
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uid, found := getParentUIDFromJob(*j)
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if !found {
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t.Errorf("Unexpectedly did not find uid")
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} else if uid != expectedUID {
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t.Errorf("Wrong UID: %v", uid)
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}
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}
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}
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func TestGroupJobsByParent(t *testing.T) {
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uid1 := types.UID("11111111-1111-1111-1111-111111111111")
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uid2 := types.UID("22222222-2222-2222-2222-222222222222")
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uid3 := types.UID("33333333-3333-3333-3333-333333333333")
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createdBy1 := map[string]string{v1.CreatedByAnnotation: `{"kind":"SerializedReference","apiVersion":"v1","reference":{"kind":"CronJob","namespace":"x","name":"pi","uid":"11111111-1111-1111-1111-111111111111","apiVersion":"extensions","resourceVersion":"111111"}}`}
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createdBy2 := map[string]string{v1.CreatedByAnnotation: `{"kind":"SerializedReference","apiVersion":"v1","reference":{"kind":"CronJob","namespace":"x","name":"pi","uid":"22222222-2222-2222-2222-222222222222","apiVersion":"extensions","resourceVersion":"222222"}}`}
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createdBy3 := map[string]string{v1.CreatedByAnnotation: `{"kind":"SerializedReference","apiVersion":"v1","reference":{"kind":"CronJob","namespace":"y","name":"pi","uid":"33333333-3333-3333-3333-333333333333","apiVersion":"extensions","resourceVersion":"333333"}}`}
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noCreatedBy := map[string]string{}
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{
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// Case 1: There are no jobs and scheduledJobs
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sjs := []batch.CronJob{}
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js := []batch.Job{}
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jobsBySj := groupJobsByParent(sjs, js)
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if len(jobsBySj) != 0 {
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t.Errorf("Wrong number of items in map")
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}
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}
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{
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// Case 2: there is one controller with no job.
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sjs := []batch.CronJob{
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{ObjectMeta: metav1.ObjectMeta{Name: "e", Namespace: "x", UID: uid1}},
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}
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js := []batch.Job{}
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jobsBySj := groupJobsByParent(sjs, js)
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if len(jobsBySj) != 0 {
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t.Errorf("Wrong number of items in map")
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}
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}
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{
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// Case 3: there is one controller with one job it created.
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sjs := []batch.CronJob{
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{ObjectMeta: metav1.ObjectMeta{Name: "e", Namespace: "x", UID: uid1}},
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}
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js := []batch.Job{
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{ObjectMeta: metav1.ObjectMeta{Name: "a", Namespace: "x", Annotations: createdBy1}},
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}
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jobsBySj := groupJobsByParent(sjs, js)
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if len(jobsBySj) != 1 {
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t.Errorf("Wrong number of items in map")
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}
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jobList1, found := jobsBySj[uid1]
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if !found {
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t.Errorf("Key not found")
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}
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if len(jobList1) != 1 {
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t.Errorf("Wrong number of items in map")
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}
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}
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{
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// Case 4: Two namespaces, one has two jobs from one controller, other has 3 jobs from two controllers.
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// There are also two jobs with no created-by annotation.
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js := []batch.Job{
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{ObjectMeta: metav1.ObjectMeta{Name: "a", Namespace: "x", Annotations: createdBy1}},
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{ObjectMeta: metav1.ObjectMeta{Name: "b", Namespace: "x", Annotations: createdBy2}},
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{ObjectMeta: metav1.ObjectMeta{Name: "c", Namespace: "x", Annotations: createdBy1}},
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{ObjectMeta: metav1.ObjectMeta{Name: "d", Namespace: "x", Annotations: noCreatedBy}},
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{ObjectMeta: metav1.ObjectMeta{Name: "a", Namespace: "y", Annotations: createdBy3}},
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{ObjectMeta: metav1.ObjectMeta{Name: "b", Namespace: "y", Annotations: createdBy3}},
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{ObjectMeta: metav1.ObjectMeta{Name: "d", Namespace: "y", Annotations: noCreatedBy}},
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}
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sjs := []batch.CronJob{
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{ObjectMeta: metav1.ObjectMeta{Name: "e", Namespace: "x", UID: uid1}},
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{ObjectMeta: metav1.ObjectMeta{Name: "f", Namespace: "x", UID: uid2}},
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{ObjectMeta: metav1.ObjectMeta{Name: "g", Namespace: "y", UID: uid3}},
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}
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jobsBySj := groupJobsByParent(sjs, js)
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if len(jobsBySj) != 3 {
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t.Errorf("Wrong number of items in map")
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}
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jobList1, found := jobsBySj[uid1]
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if !found {
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t.Errorf("Key not found")
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}
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if len(jobList1) != 2 {
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t.Errorf("Wrong number of items in map")
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}
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jobList2, found := jobsBySj[uid2]
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if !found {
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t.Errorf("Key not found")
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}
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if len(jobList2) != 1 {
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t.Errorf("Wrong number of items in map")
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}
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jobList3, found := jobsBySj[uid3]
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if !found {
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t.Errorf("Key not found")
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}
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if len(jobList3) != 2 {
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t.Errorf("Wrong number of items in map")
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}
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}
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}
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func TestGetRecentUnmetScheduleTimes(t *testing.T) {
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// schedule is hourly on the hour
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schedule := "0 * * * ?"
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// T1 is a scheduled start time of that schedule
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T1, err := time.Parse(time.RFC3339, "2016-05-19T10:00:00Z")
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if err != nil {
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t.Errorf("test setup error: %v", err)
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}
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// T2 is a scheduled start time of that schedule after T1
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T2, err := time.Parse(time.RFC3339, "2016-05-19T11:00:00Z")
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if err != nil {
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t.Errorf("test setup error: %v", err)
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}
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sj := batch.CronJob{
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ObjectMeta: metav1.ObjectMeta{
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Name: "mycronjob",
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Namespace: metav1.NamespaceDefault,
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UID: types.UID("1a2b3c"),
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},
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Spec: batch.CronJobSpec{
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Schedule: schedule,
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ConcurrencyPolicy: batch.AllowConcurrent,
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JobTemplate: batch.JobTemplateSpec{},
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},
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}
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{
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// Case 1: no known start times, and none needed yet.
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// Creation time is before T1.
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sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-10 * time.Minute)}
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// Current time is more than creation time, but less than T1.
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now := T1.Add(-7 * time.Minute)
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times, err := getRecentUnmetScheduleTimes(sj, now)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if len(times) != 0 {
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t.Errorf("expected no start times, got: %v", times)
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}
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}
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{
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// Case 2: no known start times, and one needed.
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// Creation time is before T1.
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sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-10 * time.Minute)}
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// Current time is after T1
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now := T1.Add(2 * time.Second)
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times, err := getRecentUnmetScheduleTimes(sj, now)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if len(times) != 1 {
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t.Errorf("expected 1 start time, got: %v", times)
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} else if !times[0].Equal(T1) {
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t.Errorf("expected: %v, got: %v", T1, times[0])
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}
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}
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{
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// Case 3: known LastScheduleTime, no start needed.
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// Creation time is before T1.
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sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-10 * time.Minute)}
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// Status shows a start at the expected time.
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sj.Status.LastScheduleTime = &metav1.Time{Time: T1}
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// Current time is after T1
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now := T1.Add(2 * time.Minute)
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times, err := getRecentUnmetScheduleTimes(sj, now)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if len(times) != 0 {
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t.Errorf("expected 0 start times, got: , got: %v", times)
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}
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}
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{
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// Case 4: known LastScheduleTime, a start needed
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// Creation time is before T1.
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sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-10 * time.Minute)}
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// Status shows a start at the expected time.
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sj.Status.LastScheduleTime = &metav1.Time{Time: T1}
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// Current time is after T1 and after T2
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now := T2.Add(5 * time.Minute)
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times, err := getRecentUnmetScheduleTimes(sj, now)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if len(times) != 1 {
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t.Errorf("expected 2 start times, got: , got: %v", times)
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} else if !times[0].Equal(T2) {
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t.Errorf("expected: %v, got: %v", T1, times[0])
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}
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}
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{
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// Case 5: known LastScheduleTime, two starts needed
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sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-2 * time.Hour)}
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sj.Status.LastScheduleTime = &metav1.Time{Time: T1.Add(-1 * time.Hour)}
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// Current time is after T1 and after T2
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now := T2.Add(5 * time.Minute)
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times, err := getRecentUnmetScheduleTimes(sj, now)
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if len(times) != 2 {
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t.Errorf("expected 2 start times, got: , got: %v", times)
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} else {
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if !times[0].Equal(T1) {
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t.Errorf("expected: %v, got: %v", T1, times[0])
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}
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if !times[1].Equal(T2) {
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t.Errorf("expected: %v, got: %v", T2, times[1])
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}
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}
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}
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{
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// Case 6: now is way way ahead of last start time, and there is no deadline.
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sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-2 * time.Hour)}
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sj.Status.LastScheduleTime = &metav1.Time{Time: T1.Add(-1 * time.Hour)}
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now := T2.Add(10 * 24 * time.Hour)
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_, err := getRecentUnmetScheduleTimes(sj, now)
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if err == nil {
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t.Errorf("unexpected lack of error")
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}
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}
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{
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// Case 7: now is way way ahead of last start time, but there is a short deadline.
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sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-2 * time.Hour)}
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sj.Status.LastScheduleTime = &metav1.Time{Time: T1.Add(-1 * time.Hour)}
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now := T2.Add(10 * 24 * time.Hour)
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// Deadline is short
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deadline := int64(2 * 60 * 60)
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sj.Spec.StartingDeadlineSeconds = &deadline
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_, err := getRecentUnmetScheduleTimes(sj, now)
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if err != nil {
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t.Errorf("unexpected error")
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}
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}
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}
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