| /* |
| Copyright 2016 The Kubernetes Authors. |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package kubelet |
| |
| import ( |
| "reflect" |
| "testing" |
| "time" |
| |
| kubecontainer "k8s.io/kubernetes/pkg/kubelet/container" |
| ) |
| |
| func TestGetContainersToDeleteInPodWithFilter(t *testing.T) { |
| pod := kubecontainer.PodStatus{ |
| ContainerStatuses: []*kubecontainer.ContainerStatus{ |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "1"}, |
| Name: "foo", |
| CreatedAt: time.Now(), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "2"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(time.Second), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "3"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(2 * time.Second), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "4"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(3 * time.Second), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "5"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(4 * time.Second), |
| State: kubecontainer.ContainerStateRunning, |
| }, |
| }, |
| } |
| |
| testCases := []struct { |
| containersToKeep int |
| expectedContainersToDelete containerStatusbyCreatedList |
| }{ |
| { |
| 0, |
| []*kubecontainer.ContainerStatus{pod.ContainerStatuses[3], pod.ContainerStatuses[2], pod.ContainerStatuses[1]}, |
| }, |
| { |
| 1, |
| []*kubecontainer.ContainerStatus{pod.ContainerStatuses[2], pod.ContainerStatuses[1]}, |
| }, |
| { |
| 2, |
| []*kubecontainer.ContainerStatus{pod.ContainerStatuses[1]}, |
| }, |
| } |
| |
| for _, test := range testCases { |
| candidates := getContainersToDeleteInPod("4", &pod, test.containersToKeep) |
| if !reflect.DeepEqual(candidates, test.expectedContainersToDelete) { |
| t.Errorf("expected %v got %v", test.expectedContainersToDelete, candidates) |
| } |
| } |
| } |
| |
| func TestGetContainersToDeleteInPod(t *testing.T) { |
| pod := kubecontainer.PodStatus{ |
| ContainerStatuses: []*kubecontainer.ContainerStatus{ |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "1"}, |
| Name: "foo", |
| CreatedAt: time.Now(), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "2"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(time.Second), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "3"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(2 * time.Second), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "4"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(3 * time.Second), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "5"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(4 * time.Second), |
| State: kubecontainer.ContainerStateRunning, |
| }, |
| }, |
| } |
| |
| testCases := []struct { |
| containersToKeep int |
| expectedContainersToDelete containerStatusbyCreatedList |
| }{ |
| { |
| 0, |
| []*kubecontainer.ContainerStatus{pod.ContainerStatuses[3], pod.ContainerStatuses[2], pod.ContainerStatuses[1], pod.ContainerStatuses[0]}, |
| }, |
| { |
| 1, |
| []*kubecontainer.ContainerStatus{pod.ContainerStatuses[2], pod.ContainerStatuses[1], pod.ContainerStatuses[0]}, |
| }, |
| { |
| 2, |
| []*kubecontainer.ContainerStatus{pod.ContainerStatuses[1], pod.ContainerStatuses[0]}, |
| }, |
| } |
| |
| for _, test := range testCases { |
| candidates := getContainersToDeleteInPod("", &pod, test.containersToKeep) |
| if !reflect.DeepEqual(candidates, test.expectedContainersToDelete) { |
| t.Errorf("expected %v got %v", test.expectedContainersToDelete, candidates) |
| } |
| } |
| } |
| |
| func TestGetContainersToDeleteInPodWithNoMatch(t *testing.T) { |
| pod := kubecontainer.PodStatus{ |
| ContainerStatuses: []*kubecontainer.ContainerStatus{ |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "1"}, |
| Name: "foo", |
| CreatedAt: time.Now(), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "2"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(time.Second), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "3"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(2 * time.Second), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "4"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(3 * time.Second), |
| State: kubecontainer.ContainerStateExited, |
| }, |
| { |
| ID: kubecontainer.ContainerID{Type: "test", ID: "5"}, |
| Name: "bar", |
| CreatedAt: time.Now().Add(4 * time.Second), |
| State: kubecontainer.ContainerStateRunning, |
| }, |
| }, |
| } |
| |
| testCases := []struct { |
| filterID string |
| expectedContainersToDelete containerStatusbyCreatedList |
| }{ |
| { |
| "abc", |
| []*kubecontainer.ContainerStatus{}, |
| }, |
| } |
| |
| for _, test := range testCases { |
| candidates := getContainersToDeleteInPod(test.filterID, &pod, len(pod.ContainerStatuses)) |
| if !reflect.DeepEqual(candidates, test.expectedContainersToDelete) { |
| t.Errorf("expected %v got %v", test.expectedContainersToDelete, candidates) |
| } |
| } |
| } |