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Add tests for Deployments Recreate strategy when there are pods in terminal state present

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This commit is contained in:
Tomas Nozicka 2018-02-24 14:28:19 +01:00
parent 952e6c64b6
commit ffdd3b58e5
1 changed files with 116 additions and 14 deletions
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130
pkg/controller/deployment/recreate_test.go
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@ -90,33 +90,135 @@ func TestOldPodsRunning(t *testing.T) {
oldRSs []*extensions.ReplicaSet
podMap map[types.UID]*v1.PodList
expected bool
hasOldPodsRunning bool
}{
{
name: "no old RSs",
expected: false,
name: "no old RSs",
hasOldPodsRunning: false,
},
{
name: "old RSs with running pods",
oldRSs: []*extensions.ReplicaSet{rsWithUID("some-uid"), rsWithUID("other-uid")},
podMap: podMapWithUIDs([]string{"some-uid", "other-uid"}),
expected: true,
name: "old RSs with running pods",
oldRSs: []*extensions.ReplicaSet{rsWithUID("some-uid"), rsWithUID("other-uid")},
podMap: podMapWithUIDs([]string{"some-uid", "other-uid"}),
hasOldPodsRunning: true,
},
{
name: "old RSs without pods but with non-zero status replicas",
oldRSs: []*extensions.ReplicaSet{newRSWithStatus("rs-blabla", 0, 1, nil)},
expected: true,
name: "old RSs without pods but with non-zero status replicas",
oldRSs: []*extensions.ReplicaSet{newRSWithStatus("rs-1", 0, 1, nil)},
hasOldPodsRunning: true,
},
{
name: "old RSs without pods or non-zero status replicas",
oldRSs: []*extensions.ReplicaSet{newRSWithStatus("rs-blabla", 0, 0, nil)},
expected: false,
name: "old RSs without pods or non-zero status replicas",
oldRSs: []*extensions.ReplicaSet{newRSWithStatus("rs-1", 0, 0, nil)},
hasOldPodsRunning: false,
},
{
name: "old RSs with zero status replicas but pods in terminal state are present",
oldRSs: []*extensions.ReplicaSet{newRSWithStatus("rs-1", 0, 0, nil)},
podMap: map[types.UID]*v1.PodList{
"uid-1": {
Items: []v1.Pod{
{
Status: v1.PodStatus{
Phase: v1.PodFailed,
},
},
{
Status: v1.PodStatus{
Phase: v1.PodSucceeded,
},
},
},
},
},
hasOldPodsRunning: false,
},
{
name: "old RSs with zero status replicas but pod in unknown phase present",
oldRSs: []*extensions.ReplicaSet{newRSWithStatus("rs-1", 0, 0, nil)},
podMap: map[types.UID]*v1.PodList{
"uid-1": {
Items: []v1.Pod{
{
Status: v1.PodStatus{
Phase: v1.PodUnknown,
},
},
},
},
},
hasOldPodsRunning: true,
},
{
name: "old RSs with zero status replicas with pending pod present",
oldRSs: []*extensions.ReplicaSet{newRSWithStatus("rs-1", 0, 0, nil)},
podMap: map[types.UID]*v1.PodList{
"uid-1": {
Items: []v1.Pod{
{
Status: v1.PodStatus{
Phase: v1.PodPending,
},
},
},
},
},
hasOldPodsRunning: true,
},
{
name: "old RSs with zero status replicas with running pod present",
oldRSs: []*extensions.ReplicaSet{newRSWithStatus("rs-1", 0, 0, nil)},
podMap: map[types.UID]*v1.PodList{
"uid-1": {
Items: []v1.Pod{
{
Status: v1.PodStatus{
Phase: v1.PodRunning,
},
},
},
},
},
hasOldPodsRunning: true,
},
{
name: "old RSs with zero status replicas but pods in terminal state and pending are present",
oldRSs: []*extensions.ReplicaSet{newRSWithStatus("rs-1", 0, 0, nil)},
podMap: map[types.UID]*v1.PodList{
"uid-1": {
Items: []v1.Pod{
{
Status: v1.PodStatus{
Phase: v1.PodFailed,
},
},
{
Status: v1.PodStatus{
Phase: v1.PodSucceeded,
},
},
},
},
"uid-2": {
Items: []v1.Pod{},
},
"uid-3": {
Items: []v1.Pod{
{
Status: v1.PodStatus{
Phase: v1.PodPending,
},
},
},
},
},
hasOldPodsRunning: true,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
if expected, got := test.expected, oldPodsRunning(test.newRS, test.oldRSs, test.podMap); expected != got {
if expected, got := test.hasOldPodsRunning, oldPodsRunning(test.newRS, test.oldRSs, test.podMap); expected != got {
t.Errorf("%s: expected %t, got %t", test.name, expected, got)
}
})