You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: daemonset_expansion_test.go
    path of file: ./repos/kubernetes/staging/src/k8s.io/client-go/listers/extensions/v1beta1
    
    the code of the file until where you have to start completion: /*
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

    
    
func TestDaemonSetLister(t *testing.T) {
	store := cache.NewIndexer(cache.MetaNamespaceKeyFunc, cache.Indexers{"namespace": cache.MetaNamespaceIndexFunc})
	lister := NewDaemonSetLister(store)
	testCases := []struct {
		inDSs             []*extensions.DaemonSet
		list              func() ([]*extensions.DaemonSet, error)
		outDaemonSetNames sets.String
		expectErr         bool
	}{
		// Basic listing
		{
			inDSs: []*extensions.DaemonSet{
				{ObjectMeta: metav1.ObjectMeta{Name: "basic"}},
			},
			list: func() ([]*extensions.DaemonSet, error) {
				return lister.List(labels.Everything())
			},
			outDaemonSetNames: sets.NewString("basic"),
		},
		// Listing multiple daemon sets
		{
			inDSs: []*extensions.DaemonSet{
				{ObjectMeta: metav1.ObjectMeta{Name: "basic"}},
				{ObjectMeta: metav1.ObjectMeta{Name: "complex"}},
				{ObjectMeta: metav1.ObjectMeta{Name: "complex2"}},
			},
			list: func() ([]*extensions.DaemonSet, error) {
				return lister.List(labels.Everything())
			},
			outDaemonSetNames: sets.NewString("basic", "complex", "complex2"),
		},
		// No pod labels
		{
			inDSs: []*extensions.DaemonSet{
				{
					ObjectMeta: metav1.ObjectMeta{Name: "basic", Namespace: "ns"},
					Spec: extensions.DaemonSetSpec{
						Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "baz"}},
					},
				},
			},
			list: func() ([]*extensions.DaemonSet, error) {
				pod := &v1.Pod{
					ObjectMeta: metav1.ObjectMeta{Name: "pod1", Namespace: "ns"},
				}
				return lister.GetPodDaemonSets(pod)
			},
			outDaemonSetNames: sets.NewString(),
			expectErr:         true,
		},
		// No DS selectors
		{
			inDSs: []*extensions.DaemonSet{
				{
					ObjectMeta: metav1.ObjectMeta{Name: "basic", Namespace: "ns"},
				},
			},
			list: func() ([]*extensions.DaemonSet, error) {
				pod := &v1.Pod{
					ObjectMeta: metav1.ObjectMeta{
						Name:      "pod1",
						Namespace: "ns",
						Labels:    map[string]string{"foo": "bar"},
					},
				}
				return lister.GetPodDaemonSets(pod)
			},
			outDaemonSetNames: sets.NewString(),
			expectErr:         true,
		},
		// Matching labels to selectors and namespace
		{
			inDSs: []*extensions.DaemonSet{
				{
					ObjectMeta: metav1.ObjectMeta{Name: "foo"},
					Spec: extensions.DaemonSetSpec{
						Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
					},
				},
				{
					ObjectMeta: metav1.ObjectMeta{Name: "bar", Namespace: "ns"},
					Spec: extensions.DaemonSetSpec{
						Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"foo": "bar"}},
					},
				},
			},
			list: func() ([]*extensions.DaemonSet, error) {
				pod := &v1.Pod{
					ObjectMeta: metav1.ObjectMeta{
						Name:      "pod1",
						Labels:    map[string]string{"foo": "bar"},
						Namespace: "ns",
					},
				}
				return lister.GetPodDaemonSets(pod)
			},
			outDaemonSetNames: sets.NewString("bar"),
		},
	}
	for _, c := range testCases {
		for _, r := range c.inDSs {
			store.Add(r)
		}

		daemonSets, err := c.list()
		if err != nil && c.expectErr {
			continue
		} else if c.expectErr {
			t.Error("Expected error, got none")
			continue
		} else if err != nil {
			t.Errorf("Unexpected error %#v", err)
			continue
		}
		daemonSetNames := make([]string, len(daemonSets))
		for ix := range daemonSets {
			daemonSetNames[ix] = daemonSets[ix].Name
		}
		if !c.outDaemonSetNames.HasAll(daemonSetNames...) || len(daemonSetNames) != len(c.outDaemonSetNames) {
			t.Errorf("Unexpected got controllers %+v expected %+v", daemonSetNames, c.outDaemonSetNames)
		}
	}
}