func TestStaleUpdates(t *testing.T) {
pod := getTestPod()
client := fake.NewSimpleClientset(pod)
m := newTestManager(client)
status := v1.PodStatus{Message: "initial status"}
m.SetPodStatus(pod, status)
status.Message = "first version bump"
m.SetPodStatus(pod, status)
status.Message = "second version bump"
m.SetPodStatus(pod, status)
verifyUpdates(t, m, 3)
t.Logf("First sync pushes latest status.")
m.testSyncBatch()
verifyActions(t, m.kubeClient, []core.Action{
core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: schema.GroupVersionResource{Resource: "pods"}}},
core.UpdateActionImpl{ActionImpl: core.ActionImpl{Verb: "update", Resource: schema.GroupVersionResource{Resource: "pods"}, Subresource: "status"}},
})
client.ClearActions()
for i := 0; i < 2; i++ {
t.Logf("Next 2 syncs should be ignored (%d).", i)
m.testSyncBatch()
verifyActions(t, m.kubeClient, []core.Action{})
}
t.Log("Unchanged status should not send an update.")
m.SetPodStatus(pod, status)
verifyUpdates(t, m, 0)
t.Log("... unless it's stale.")
m.apiStatusVersions[pod.UID] = m.apiStatusVersions[pod.UID] - 1
m.SetPodStatus(pod, status)
m.testSyncBatch()
verifyActions(t, m.kubeClient, []core.Action{
core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: schema.GroupVersionResource{Resource: "pods"}}},
core.UpdateActionImpl{ActionImpl: core.ActionImpl{Verb: "update", Resource: schema.GroupVersionResource{Resource: "pods"}, Subresource: "status"}},
})
// Nothing stuck in the pipe.
verifyUpdates(t, m, 0)
}
