/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1beta1
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import (
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"testing"
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"k8s.io/api/core/v1"
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extensions "k8s.io/api/extensions/v1beta1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/util/sets"
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"k8s.io/client-go/tools/cache"
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)
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func TestDaemonSetLister(t *testing.T) {
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store := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{"namespace": cache.MetaNamespaceIndexFunc})
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lister := NewDaemonSetLister(store)
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testCases := []struct {
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inDSs []*extensions.DaemonSet
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list func() ([]*extensions.DaemonSet, error)
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outDaemonSetNames sets.String
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expectErr bool
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}{
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// Basic listing
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{
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inDSs: []*extensions.DaemonSet{
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{ObjectMeta: metav1.ObjectMeta{Name: "basic"}},
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},
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list: func() ([]*extensions.DaemonSet, error) {
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return lister.List(labels.Everything())
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},
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outDaemonSetNames: sets.NewString("basic"),
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},
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// Listing multiple daemon sets
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{
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inDSs: []*extensions.DaemonSet{
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{ObjectMeta: metav1.ObjectMeta{Name: "basic"}},
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{ObjectMeta: metav1.ObjectMeta{Name: "complex"}},
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{ObjectMeta: metav1.ObjectMeta{Name: "complex2"}},
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},
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list: func() ([]*extensions.DaemonSet, error) {
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return lister.List(labels.Everything())
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},
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outDaemonSetNames: sets.NewString("basic", "complex", "complex2"),
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},
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// No pod labels
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{
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inDSs: []*extensions.DaemonSet{
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{
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ObjectMeta: metav1.ObjectMeta{Name: "basic", Namespace: "ns"},
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Spec: extensions.DaemonSetSpec{
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "baz"}},
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},
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},
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},
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list: func() ([]*extensions.DaemonSet, error) {
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{Name: "pod1", Namespace: "ns"},
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}
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return lister.GetPodDaemonSets(pod)
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},
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outDaemonSetNames: sets.NewString(),
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expectErr: true,
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},
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// No DS selectors
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{
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inDSs: []*extensions.DaemonSet{
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{
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ObjectMeta: metav1.ObjectMeta{Name: "basic", Namespace: "ns"},
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},
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},
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list: func() ([]*extensions.DaemonSet, error) {
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "pod1",
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Namespace: "ns",
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Labels: map[string]string{"foo": "bar"},
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},
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}
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return lister.GetPodDaemonSets(pod)
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},
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outDaemonSetNames: sets.NewString(),
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expectErr: true,
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},
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// Matching labels to selectors and namespace
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{
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inDSs: []*extensions.DaemonSet{
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{
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ObjectMeta: metav1.ObjectMeta{Name: "foo"},
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Spec: extensions.DaemonSetSpec{
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
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},
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},
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{
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ObjectMeta: metav1.ObjectMeta{Name: "bar", Namespace: "ns"},
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Spec: extensions.DaemonSetSpec{
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
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},
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},
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},
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list: func() ([]*extensions.DaemonSet, error) {
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "pod1",
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Labels: map[string]string{"foo": "bar"},
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Namespace: "ns",
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},
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}
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return lister.GetPodDaemonSets(pod)
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},
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outDaemonSetNames: sets.NewString("bar"),
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},
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}
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for _, c := range testCases {
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for _, r := range c.inDSs {
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store.Add(r)
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}
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daemonSets, err := c.list()
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if err != nil && c.expectErr {
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continue
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} else if c.expectErr {
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t.Error("Expected error, got none")
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continue
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} else if err != nil {
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t.Errorf("Unexpected error %#v", err)
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continue
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}
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daemonSetNames := make([]string, len(daemonSets))
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for ix := range daemonSets {
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daemonSetNames[ix] = daemonSets[ix].Name
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}
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if !c.outDaemonSetNames.HasAll(daemonSetNames...) || len(daemonSetNames) != len(c.outDaemonSetNames) {
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t.Errorf("Unexpected got controllers %+v expected %+v", daemonSetNames, c.outDaemonSetNames)
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}
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}
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}
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