Code change:
<ins> /* Copyright 2017 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 types import ( "testing" "github.com/stretchr/testify/assert" ) func TestGetContainerName(t *testing.T) { var cases = []struct { labels        map[string]string containerName string }{ { labels: map[string]string{ "io.kubernetes.container.name": "c1", }, containerName: "c1", }, { labels: map[string]string{ "io.kubernetes.container.name": "c2", }, containerName: "c2", }, } for _, data := range cases { containerName := GetContainerName(data.labels) assert.Equal(t, data.containerName, containerName) } } func TestGetPodName(t *testing.T) { var cases = []struct { labels  map[string]string podName string }{ { labels: map[string]string{ "io.kubernetes.pod.name": "p1", }, podName: "p1", }, { labels: map[string]string{ "io.kubernetes.pod.name": "p2", }, podName: "p2", }, } for _, data := range cases { podName := GetPodName(data.labels) assert.Equal(t, data.podName, podName) } } func TestGetPodUID(t *testing.T) { var cases = []struct { labels map[string]string podUID string }{ { labels: map[string]string{ "io.kubernetes.pod.uid": "uid1", }, podUID: "uid1", }, { labels: map[string]string{ "io.kubernetes.pod.uid": "uid2", }, podUID: "uid2", }, } for _, data := range cases { podUID := GetPodUID(data.labels) assert.Equal(t, data.podUID, podUID) } } func TestGetPodNamespace(t *testing.T) { var cases = []struct { labels       map[string]string podNamespace string }{ { labels: map[string]string{ "io.kubernetes.pod.namespace": "ns1", }, podNamespace: "ns1", }, { labels: map[string]string{ "io.kubernetes.pod.namespace": "ns2", }, podNamespace: "ns2", }, } for _, data := range cases { podNamespace := GetPodNamespace(data.labels) assert.Equal(t, data.podNamespace, podNamespace) } } </ins>

Related discussion:
text: This is a sub issue for
cc can you please assign this to me? Thanks.
, please create PR directly and cc to Tim for review.
/sig node
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