strategy_test.go

Documentation: k8s.io/kubernetes/pkg/registry/admissionregistration/validatingadmissionpolicybinding

     1  /*
     2  Copyright 2022 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package validatingadmissionpolicybinding
    18  
    19  import (
    20  	"testing"
    21  
    22  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    23  	genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
    24  
    25  	"k8s.io/kubernetes/pkg/apis/admissionregistration"
    26  )
    27  
    28  func TestPolicyBindingStrategy(t *testing.T) {
    29  	strategy := NewStrategy(nil, nil, nil)
    30  	ctx := genericapirequest.NewDefaultContext()
    31  	if strategy.NamespaceScoped() {
    32  		t.Error("PolicyBinding strategy must be cluster scoped")
    33  	}
    34  	if strategy.AllowCreateOnUpdate() {
    35  		t.Errorf("PolicyBinding should not allow create on update")
    36  	}
    37  
    38  	for _, configuration := range validPolicyBindings() {
    39  		strategy.PrepareForCreate(ctx, configuration)
    40  		errs := strategy.Validate(ctx, configuration)
    41  		if len(errs) != 0 {
    42  			t.Errorf("Unexpected error validating %v", errs)
    43  		}
    44  		invalidConfiguration := &admissionregistration.ValidatingAdmissionPolicyBinding{
    45  			ObjectMeta: metav1.ObjectMeta{Name: ""},
    46  		}
    47  		strategy.PrepareForUpdate(ctx, invalidConfiguration, configuration)
    48  		errs = strategy.ValidateUpdate(ctx, invalidConfiguration, configuration)
    49  		if len(errs) == 0 {
    50  			t.Errorf("Expected a validation error")
    51  		}
    52  	}
    53  }
    54  
    55  func validPolicyBindings() []*admissionregistration.ValidatingAdmissionPolicyBinding {
    56  	denyAction := admissionregistration.DenyAction
    57  	return []*admissionregistration.ValidatingAdmissionPolicyBinding{
    58  		{
    59  			ObjectMeta: metav1.ObjectMeta{
    60  				Name: "foo",
    61  			},
    62  			Spec: admissionregistration.ValidatingAdmissionPolicyBindingSpec{
    63  				PolicyName: "replicalimit-policy.example.com",
    64  				ParamRef: &admissionregistration.ParamRef{
    65  					Name:                    "replica-limit-test.example.com",
    66  					ParameterNotFoundAction: &denyAction,
    67  				},
    68  				ValidationActions: []admissionregistration.ValidationAction{admissionregistration.Deny},
    69  			},
    70  		},
    71  		{
    72  			ObjectMeta: metav1.ObjectMeta{
    73  				Name: "foo-clusterwide",
    74  			},
    75  			Spec: admissionregistration.ValidatingAdmissionPolicyBindingSpec{
    76  				PolicyName: "replicalimit-policy.example.com",
    77  				ParamRef: &admissionregistration.ParamRef{
    78  					Name:                    "replica-limit-test.example.com",
    79  					Namespace:               "default",
    80  					ParameterNotFoundAction: &denyAction,
    81  				},
    82  				ValidationActions: []admissionregistration.ValidationAction{admissionregistration.Deny},
    83  			},
    84  		},
    85  		{
    86  			ObjectMeta: metav1.ObjectMeta{
    87  				Name: "foo-selector",
    88  			},
    89  			Spec: admissionregistration.ValidatingAdmissionPolicyBindingSpec{
    90  				PolicyName: "replicalimit-policy.example.com",
    91  				ParamRef: &admissionregistration.ParamRef{
    92  					Selector: &metav1.LabelSelector{
    93  						MatchLabels: map[string]string{
    94  							"label": "value",
    95  						},
    96  					},
    97  					ParameterNotFoundAction: &denyAction,
    98  				},
    99  				ValidationActions: []admissionregistration.ValidationAction{admissionregistration.Deny},
   100  			},
   101  		},
   102  		{
   103  			ObjectMeta: metav1.ObjectMeta{
   104  				Name: "foo-selector-clusterwide",
   105  			},
   106  			Spec: admissionregistration.ValidatingAdmissionPolicyBindingSpec{
   107  				PolicyName: "replicalimit-policy.example.com",
   108  				ParamRef: &admissionregistration.ParamRef{
   109  					Namespace: "mynamespace",
   110  					Selector: &metav1.LabelSelector{
   111  						MatchLabels: map[string]string{
   112  							"label": "value",
   113  						},
   114  					},
   115  					ParameterNotFoundAction: &denyAction,
   116  				},
   117  				ValidationActions: []admissionregistration.ValidationAction{admissionregistration.Deny},
   118  			},
   119  		},
   120  	}
   121  }
   122
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