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bc8f3198d5
Move scheduler plugin unit tests use testing PodWrapper where applicable to reduce duplicating pod creation code and shorten number of lines. Signed-off-by: Yibo Zhuang <yibzhuang@gmail.com>
102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
/*
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Copyright 2020 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 helper
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import (
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"fmt"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/informers"
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"k8s.io/client-go/kubernetes/fake"
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st "k8s.io/kubernetes/pkg/scheduler/testing"
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)
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func TestGetPodServices(t *testing.T) {
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fakeInformerFactory := informers.NewSharedInformerFactory(&fake.Clientset{}, 0*time.Second)
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var services []*v1.Service
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for i := 0; i < 3; i++ {
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service := &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: fmt.Sprintf("service-%d", i),
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Namespace: "test",
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},
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Spec: v1.ServiceSpec{
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Selector: map[string]string{
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"app": fmt.Sprintf("test-%d", i),
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},
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},
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}
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services = append(services, service)
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fakeInformerFactory.Core().V1().Services().Informer().GetStore().Add(service)
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}
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var pods []*v1.Pod
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for i := 0; i < 5; i++ {
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pod := st.MakePod().Name(fmt.Sprintf("test-pod-%d", i)).
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Namespace("test").
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Label("app", fmt.Sprintf("test-%d", i)).
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Label("label", fmt.Sprintf("label-%d", i)).
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Obj()
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pods = append(pods, pod)
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}
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tests := []struct {
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name string
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pod *v1.Pod
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expect []*v1.Service
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}{
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{
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name: "GetPodServices for pod-0",
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pod: pods[0],
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expect: []*v1.Service{services[0]},
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},
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{
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name: "GetPodServices for pod-1",
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pod: pods[1],
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expect: []*v1.Service{services[1]},
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},
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{
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name: "GetPodServices for pod-2",
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pod: pods[2],
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expect: []*v1.Service{services[2]},
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},
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{
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name: "GetPodServices for pod-3",
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pod: pods[3],
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expect: nil,
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},
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{
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name: "GetPodServices for pod-4",
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pod: pods[4],
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expect: nil,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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get, err := GetPodServices(fakeInformerFactory.Core().V1().Services().Lister(), test.pod)
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if err != nil {
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t.Errorf("Error from GetPodServices: %v", err)
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} else if diff := cmp.Diff(test.expect, get); diff != "" {
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t.Errorf("Unexpected services (-want, +got):\n%s", diff)
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}
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})
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}
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}
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