mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-30 05:14:54 +00:00
85 lines
2.5 KiB
Go
85 lines
2.5 KiB
Go
/*
|
|
Copyright 2016 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 deployment
|
|
|
|
import (
|
|
"fmt"
|
|
"testing"
|
|
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/client-go/tools/record"
|
|
"k8s.io/kubernetes/pkg/api"
|
|
extensions "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
|
|
"k8s.io/kubernetes/pkg/client/clientset_generated/clientset/fake"
|
|
informers "k8s.io/kubernetes/pkg/client/informers/informers_generated/externalversions"
|
|
"k8s.io/kubernetes/pkg/controller"
|
|
)
|
|
|
|
func TestScaleDownOldReplicaSets(t *testing.T) {
|
|
tests := []struct {
|
|
oldRSSizes []int
|
|
d *extensions.Deployment
|
|
}{
|
|
{
|
|
oldRSSizes: []int{3},
|
|
d: newDeployment("foo", 3, nil, nil, nil, map[string]string{"foo": "bar"}),
|
|
},
|
|
}
|
|
|
|
for i := range tests {
|
|
t.Logf("running scenario %d", i)
|
|
test := tests[i]
|
|
|
|
var oldRSs []*extensions.ReplicaSet
|
|
var expected []runtime.Object
|
|
|
|
for n, size := range test.oldRSSizes {
|
|
rs := newReplicaSet(test.d, fmt.Sprintf("%s-%d", test.d.Name, n), size)
|
|
oldRSs = append(oldRSs, rs)
|
|
|
|
objCopy, err := api.Scheme.Copy(rs)
|
|
if err != nil {
|
|
t.Errorf("unexpected error while deep-copying: %v", err)
|
|
continue
|
|
}
|
|
rsCopy := objCopy.(*extensions.ReplicaSet)
|
|
|
|
zero := int32(0)
|
|
rsCopy.Spec.Replicas = &zero
|
|
expected = append(expected, rsCopy)
|
|
|
|
if *(oldRSs[n].Spec.Replicas) == *(expected[n].(*extensions.ReplicaSet).Spec.Replicas) {
|
|
t.Errorf("broken test - original and expected RS have the same size")
|
|
}
|
|
}
|
|
|
|
kc := fake.NewSimpleClientset(expected...)
|
|
informers := informers.NewSharedInformerFactory(kc, controller.NoResyncPeriodFunc())
|
|
c := NewDeploymentController(informers.Extensions().V1beta1().Deployments(), informers.Extensions().V1beta1().ReplicaSets(), informers.Core().V1().Pods(), kc)
|
|
c.eventRecorder = &record.FakeRecorder{}
|
|
|
|
c.scaleDownOldReplicaSetsForRecreate(oldRSs, test.d)
|
|
for j := range oldRSs {
|
|
rs := oldRSs[j]
|
|
|
|
if *rs.Spec.Replicas != 0 {
|
|
t.Errorf("rs %q has non-zero replicas", rs.Name)
|
|
}
|
|
}
|
|
}
|
|
}
|