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use subtest for table units 

apply subtest to predicates
pull/8/head
John Calabrese 2018-06-05 08:08:23 -04:00
parent 0f9dfca8e7
commit 8bbf182695
2 changed files with 598 additions and 551 deletions
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86
pkg/scheduler/algorithm/predicates/metadata_test.go
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@ -236,7 +236,7 @@ func TestPredicateMetadata_AddRemovePod(t *testing.T) {
}
tests := []struct {
description string
name string
pendingPod *v1.Pod
addedPod *v1.Pod
existingPods []*v1.Pod
@ -244,7 +244,7 @@ func TestPredicateMetadata_AddRemovePod(t *testing.T) {
services []*v1.Service
}{
{
description: "no anti-affinity or service affinity exist",
name: "no anti-affinity or service affinity exist",
pendingPod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "pending", Labels: selector1},
},
@ -267,7 +267,7 @@ func TestPredicateMetadata_AddRemovePod(t *testing.T) {
},
},
{
description: "metadata anti-affinity terms are updated correctly after adding and removing a pod",
name: "metadata anti-affinity terms are updated correctly after adding and removing a pod",
pendingPod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "pending", Labels: selector1},
},
@ -300,7 +300,7 @@ func TestPredicateMetadata_AddRemovePod(t *testing.T) {
},
},
{
description: "metadata service-affinity data are updated correctly after adding and removing a pod",
name: "metadata service-affinity data are updated correctly after adding and removing a pod",
pendingPod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "pending", Labels: selector1},
},
@ -324,7 +324,7 @@ func TestPredicateMetadata_AddRemovePod(t *testing.T) {
},
},
{
description: "metadata anti-affinity terms and service affinity data are updated correctly after adding and removing a pod",
name: "metadata anti-affinity terms and service affinity data are updated correctly after adding and removing a pod",
pendingPod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "pending", Labels: selector1},
},
@ -358,7 +358,7 @@ func TestPredicateMetadata_AddRemovePod(t *testing.T) {
},
},
{
description: "metadata matching pod affinity and anti-affinity are updated correctly after adding and removing a pod",
name: "metadata matching pod affinity and anti-affinity are updated correctly after adding and removing a pod",
pendingPod: &v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "pending", Labels: selector1},
},
@ -395,44 +395,46 @@ func TestPredicateMetadata_AddRemovePod(t *testing.T) {
}
for _, test := range tests {
allPodLister := schedulertesting.FakePodLister(append(test.existingPods, test.addedPod))
// getMeta creates predicate meta data given the list of pods.
getMeta := func(lister schedulertesting.FakePodLister) (*predicateMetadata, map[string]*schedulercache.NodeInfo) {
nodeInfoMap := schedulercache.CreateNodeNameToInfoMap(lister, test.nodes)
// nodeList is a list of non-pointer nodes to feed to FakeNodeListInfo.
nodeList := []v1.Node{}
for _, n := range test.nodes {
nodeList = append(nodeList, *n)
t.Run(test.name, func(t *testing.T) {
allPodLister := schedulertesting.FakePodLister(append(test.existingPods, test.addedPod))
// getMeta creates predicate meta data given the list of pods.
getMeta := func(lister schedulertesting.FakePodLister) (*predicateMetadata, map[string]*schedulercache.NodeInfo) {
nodeInfoMap := schedulercache.CreateNodeNameToInfoMap(lister, test.nodes)
// nodeList is a list of non-pointer nodes to feed to FakeNodeListInfo.
nodeList := []v1.Node{}
for _, n := range test.nodes {
nodeList = append(nodeList, *n)
}
_, precompute := NewServiceAffinityPredicate(lister, schedulertesting.FakeServiceLister(test.services), FakeNodeListInfo(nodeList), nil)
RegisterPredicateMetadataProducer("ServiceAffinityMetaProducer", precompute)
pmf := PredicateMetadataFactory{lister}
meta := pmf.GetMetadata(test.pendingPod, nodeInfoMap)
return meta.(*predicateMetadata), nodeInfoMap
}
_, precompute := NewServiceAffinityPredicate(lister, schedulertesting.FakeServiceLister(test.services), FakeNodeListInfo(nodeList), nil)
RegisterPredicateMetadataProducer("ServiceAffinityMetaProducer", precompute)
pmf := PredicateMetadataFactory{lister}
meta := pmf.GetMetadata(test.pendingPod, nodeInfoMap)
return meta.(*predicateMetadata), nodeInfoMap
}
// allPodsMeta is meta data produced when all pods, including test.addedPod
// are given to the metadata producer.
allPodsMeta, _ := getMeta(allPodLister)
// existingPodsMeta1 is meta data produced for test.existingPods (without test.addedPod).
existingPodsMeta1, nodeInfoMap := getMeta(schedulertesting.FakePodLister(test.existingPods))
// Add test.addedPod to existingPodsMeta1 and make sure meta is equal to allPodsMeta
nodeInfo := nodeInfoMap[test.addedPod.Spec.NodeName]
if err := existingPodsMeta1.AddPod(test.addedPod, nodeInfo); err != nil {
t.Errorf("test [%v]: error adding pod to meta: %v", test.description, err)
}
if err := predicateMetadataEquivalent(allPodsMeta, existingPodsMeta1); err != nil {
t.Errorf("test [%v]: meta data are not equivalent: %v", test.description, err)
}
// Remove the added pod and from existingPodsMeta1 an make sure it is equal
// to meta generated for existing pods.
existingPodsMeta2, _ := getMeta(schedulertesting.FakePodLister(test.existingPods))
if err := existingPodsMeta1.RemovePod(test.addedPod); err != nil {
t.Errorf("test [%v]: error removing pod from meta: %v", test.description, err)
}
if err := predicateMetadataEquivalent(existingPodsMeta1, existingPodsMeta2); err != nil {
t.Errorf("test [%v]: meta data are not equivalent: %v", test.description, err)
}
// allPodsMeta is meta data produced when all pods, including test.addedPod
// are given to the metadata producer.
allPodsMeta, _ := getMeta(allPodLister)
// existingPodsMeta1 is meta data produced for test.existingPods (without test.addedPod).
existingPodsMeta1, nodeInfoMap := getMeta(schedulertesting.FakePodLister(test.existingPods))
// Add test.addedPod to existingPodsMeta1 and make sure meta is equal to allPodsMeta
nodeInfo := nodeInfoMap[test.addedPod.Spec.NodeName]
if err := existingPodsMeta1.AddPod(test.addedPod, nodeInfo); err != nil {
t.Errorf("error adding pod to meta: %v", err)
}
if err := predicateMetadataEquivalent(allPodsMeta, existingPodsMeta1); err != nil {
t.Errorf("meta data are not equivalent: %v", err)
}
// Remove the added pod and from existingPodsMeta1 an make sure it is equal
// to meta generated for existing pods.
existingPodsMeta2, _ := getMeta(schedulertesting.FakePodLister(test.existingPods))
if err := existingPodsMeta1.RemovePod(test.addedPod); err != nil {
t.Errorf("error removing pod from meta: %v", err)
}
if err := predicateMetadataEquivalent(existingPodsMeta1, existingPodsMeta2); err != nil {
t.Errorf("meta data are not equivalent: %v", err)
}
})
}
}

1063
pkg/scheduler/algorithm/predicates/predicates_test.go
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