namespaceNodeSelector           string
		whitelist                       string
		podNodeSelector                 map[string]string
		mergedNodeSelector              labels.Set
		ignoreTestNamespaceNodeSelector bool
		admit                           bool
		testName                        string
	}{
		{
			defaultNodeSelector:             "",
			podNodeSelector:                 map[string]string{},
			mergedNodeSelector:              labels.Set{},

	alwayspullimages.PluginName,             // AlwaysPullImages
	imagepolicy.PluginName,                  // ImagePolicyWebhook
	podsecurity.PluginName,                  // PodSecurity
	podnodeselector.PluginName,              // PodNodeSelector
	podpriority.PluginName,                  // Priority
	defaulttolerationseconds.PluginName,     // DefaultTolerationSeconds
	podtolerationrestriction.PluginName,     // PodTolerationRestriction

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 podnodeselector

import (
	"context"
	"fmt"
	"io"
	"reflect"

	"k8s.io/klog/v2"

	corev1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/api/errors"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

					{
						Name: "ImagePolicyWebhook",
						Path: configFileName,
					},
					{
						Name: "PodNodeSelector",
						Path: configFileName,
					},
				},
			},
			PluginNames: []string{"ImagePolicyWebhook", "PodNodeSelector"},
		},
		"legacy configuration not using legacy plugins": {
			ConfigBody: `{
"imagePolicy": {
  "kubeConfigFile": "/home/user/.kube/config",

	// previously read input from a non-versioned file configuration to the
	// current input file.
	legacyPluginsWithUnversionedConfig := sets.NewString("ImagePolicyWebhook", "PodNodeSelector")
	externalConfig := &apiserverv1.AdmissionConfiguration{}
	for _, pluginName := range pluginNames {
		if legacyPluginsWithUnversionedConfig.Has(pluginName) {
			externalConfig.Plugins = append(externalConfig.Plugins,