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			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)
 | 
						|
		}
 | 
						|
		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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		// Case 4: known LastScheduleTime, a start needed
 | 
						|
		// Creation time is before T1.
 | 
						|
		sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-10 * time.Minute)}
 | 
						|
		// Status shows a start at the expected time.
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		sj.Status.LastScheduleTime = &metav1.Time{Time: T1}
 | 
						|
		// Current time is after T1 and after T2
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						|
		now := T2.Add(5 * time.Minute)
 | 
						|
		times, err := getRecentUnmetScheduleTimes(sj, now)
 | 
						|
		if err != nil {
 | 
						|
			t.Errorf("unexpected error: %v", err)
 | 
						|
		}
 | 
						|
		if len(times) != 1 {
 | 
						|
			t.Errorf("expected 2 start times, got: , got: %v", times)
 | 
						|
		} else if !times[0].Equal(T2) {
 | 
						|
			t.Errorf("expected: %v, got: %v", T1, times[0])
 | 
						|
		}
 | 
						|
	}
 | 
						|
	{
 | 
						|
		// Case 5: known LastScheduleTime, two starts needed
 | 
						|
		sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-2 * time.Hour)}
 | 
						|
		sj.Status.LastScheduleTime = &metav1.Time{Time: T1.Add(-1 * time.Hour)}
 | 
						|
		// Current time is after T1 and after T2
 | 
						|
		now := T2.Add(5 * time.Minute)
 | 
						|
		times, err := getRecentUnmetScheduleTimes(sj, now)
 | 
						|
		if err != nil {
 | 
						|
			t.Errorf("unexpected error: %v", err)
 | 
						|
		}
 | 
						|
		if len(times) != 2 {
 | 
						|
			t.Errorf("expected 2 start times, got: , got: %v", times)
 | 
						|
		} else {
 | 
						|
			if !times[0].Equal(T1) {
 | 
						|
				t.Errorf("expected: %v, got: %v", T1, times[0])
 | 
						|
			}
 | 
						|
			if !times[1].Equal(T2) {
 | 
						|
				t.Errorf("expected: %v, got: %v", T2, times[1])
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
	{
 | 
						|
		// Case 6: now is way way ahead of last start time, and there is no deadline.
 | 
						|
		sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-2 * time.Hour)}
 | 
						|
		sj.Status.LastScheduleTime = &metav1.Time{Time: T1.Add(-1 * time.Hour)}
 | 
						|
		now := T2.Add(10 * 24 * time.Hour)
 | 
						|
		_, err := getRecentUnmetScheduleTimes(sj, now)
 | 
						|
		if err == nil {
 | 
						|
			t.Errorf("unexpected lack of error")
 | 
						|
		}
 | 
						|
	}
 | 
						|
	{
 | 
						|
		// Case 7: now is way way ahead of last start time, but there is a short deadline.
 | 
						|
		sj.ObjectMeta.CreationTimestamp = metav1.Time{Time: T1.Add(-2 * time.Hour)}
 | 
						|
		sj.Status.LastScheduleTime = &metav1.Time{Time: T1.Add(-1 * time.Hour)}
 | 
						|
		now := T2.Add(10 * 24 * time.Hour)
 | 
						|
		// Deadline is short
 | 
						|
		deadline := int64(2 * 60 * 60)
 | 
						|
		sj.Spec.StartingDeadlineSeconds = &deadline
 | 
						|
		_, err := getRecentUnmetScheduleTimes(sj, now)
 | 
						|
		if err != nil {
 | 
						|
			t.Errorf("unexpected error")
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
}
 |