96 lines
2.6 KiB
Go
96 lines
2.6 KiB
Go
/*
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Copyright 2017 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 util
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import (
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"testing"
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"k8s.io/api/core/v1"
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"k8s.io/kubernetes/pkg/apis/scheduling"
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)
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// TestGetPodPriority tests GetPodPriority function.
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func TestGetPodPriority(t *testing.T) {
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p := int32(20)
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tests := []struct {
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name string
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pod *v1.Pod
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expectedPriority int32
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}{
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{
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name: "no priority pod resolves to static default priority",
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pod: &v1.Pod{
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Spec: v1.PodSpec{Containers: []v1.Container{
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{Name: "container", Image: "image"}},
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},
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},
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expectedPriority: scheduling.DefaultPriorityWhenNoDefaultClassExists,
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},
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{
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name: "pod with priority resolves correctly",
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pod: &v1.Pod{
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Spec: v1.PodSpec{Containers: []v1.Container{
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{Name: "container", Image: "image"}},
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Priority: &p,
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},
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},
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expectedPriority: p,
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},
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}
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for _, test := range tests {
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if GetPodPriority(test.pod) != test.expectedPriority {
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t.Errorf("expected pod priority: %v, got %v", test.expectedPriority, GetPodPriority(test.pod))
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}
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}
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}
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// TestSortableList tests SortableList by storing pods in the list and sorting
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// them by their priority.
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func TestSortableList(t *testing.T) {
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higherPriority := func(pod1, pod2 interface{}) bool {
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return GetPodPriority(pod1.(*v1.Pod)) > GetPodPriority(pod2.(*v1.Pod))
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}
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podList := SortableList{CompFunc: higherPriority}
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// Add a few Pods with different priorities from lowest to highest priority.
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for i := 0; i < 10; i++ {
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var p int32 = int32(i)
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pod := &v1.Pod{
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: "container",
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Image: "image",
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},
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},
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Priority: &p,
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},
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}
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podList.Items = append(podList.Items, pod)
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}
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podList.Sort()
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if len(podList.Items) != 10 {
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t.Errorf("expected length of list was 10, got: %v", len(podList.Items))
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}
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var prevPriority = int32(10)
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for _, p := range podList.Items {
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if *p.(*v1.Pod).Spec.Priority >= prevPriority {
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t.Errorf("Pods are not soreted. Current pod pririty is %v, while previous one was %v.", *p.(*v1.Pod).Spec.Priority, prevPriority)
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}
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}
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}
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