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unit test: TestAdmitUnderNodeConditions

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ianlang 2019-10-28 11:32:53 +08:00
parent 372bf95a4f
commit 22d8e054bc
1 changed files with 46 additions and 0 deletions
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46
pkg/kubelet/eviction/eviction_manager_test.go
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@ -391,6 +391,52 @@ func TestMemoryPressure(t *testing.T) {
}
}
func makeContainersByQOS(class v1.PodQOSClass) []v1.Container {
resource := newResourceList("100m", "1Gi", "")
switch class {
case v1.PodQOSGuaranteed:
return []v1.Container{newContainer("guaranteed-container", resource, resource)}
case v1.PodQOSBurstable:
return []v1.Container{newContainer("burtable-container", resource, nil)}
case v1.PodQOSBestEffort:
fallthrough
default:
return []v1.Container{newContainer("best-effort-container", nil, nil)}
}
}
func TestAdmitUnderNodeConditions(t *testing.T) {
manager := &managerImpl{}
pods := []*v1.Pod{
newPod("guaranteed-pod", scheduling.DefaultPriorityWhenNoDefaultClassExists, makeContainersByQOS(v1.PodQOSGuaranteed), nil),
newPod("burstable-pod", scheduling.DefaultPriorityWhenNoDefaultClassExists, makeContainersByQOS(v1.PodQOSBurstable), nil),
newPod("best-effort-pod", scheduling.DefaultPriorityWhenNoDefaultClassExists, makeContainersByQOS(v1.PodQOSBestEffort), nil),
}
expected := []bool{true, true, true}
for i, pod := range pods {
if result := manager.Admit(&lifecycle.PodAdmitAttributes{Pod: pod}); expected[i] != result.Admit {
t.Errorf("Admit pod: %v, expected: %v, actual: %v", pod, expected[i], result.Admit)
}
}
manager.nodeConditions = []v1.NodeConditionType{v1.NodeMemoryPressure}
expected = []bool{true, true, false}
for i, pod := range pods {
if result := manager.Admit(&lifecycle.PodAdmitAttributes{Pod: pod}); expected[i] != result.Admit {
t.Errorf("Admit pod: %v, expected: %v, actual: %v", pod, expected[i], result.Admit)
}
}
manager.nodeConditions = []v1.NodeConditionType{v1.NodeMemoryPressure, v1.NodeDiskPressure}
expected = []bool{false, false, false}
for i, pod := range pods {
if result := manager.Admit(&lifecycle.PodAdmitAttributes{Pod: pod}); expected[i] != result.Admit {
t.Errorf("Admit pod: %v, expected: %v, actual: %v", pod, expected[i], result.Admit)
}
}
}
// parseQuantity parses the specified value (if provided) otherwise returns 0 value
func parseQuantity(value string) resource.Quantity {
if len(value) == 0 {