sigs.k8s.io/cluster-api@v1.7.1/util/topology/topology_test.go (about)

     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 topology implements topology utility functions.
    18  package topology
    19  
    20  import (
    21  	"testing"
    22  
    23  	admissionv1 "k8s.io/api/admission/v1"
    24  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    25  	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
    26  	"k8s.io/utils/ptr"
    27  	"sigs.k8s.io/controller-runtime/pkg/webhook/admission"
    28  
    29  	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
    30  )
    31  
    32  func TestShouldSkipImmutabilityChecks(t *testing.T) {
    33  	tests := []struct {
    34  		name string
    35  		req  admission.Request
    36  		obj  metav1.Object
    37  		want bool
    38  	}{
    39  		{
    40  			name: "false - dryRun pointer is nil",
    41  			req:  admission.Request{},
    42  			obj:  nil,
    43  			want: false,
    44  		},
    45  		{
    46  			name: "false - dryRun pointer is false",
    47  			req:  admission.Request{AdmissionRequest: admissionv1.AdmissionRequest{DryRun: ptr.To(false)}},
    48  			obj:  nil,
    49  			want: false,
    50  		},
    51  		{
    52  			name: "false - nil obj",
    53  			req:  admission.Request{AdmissionRequest: admissionv1.AdmissionRequest{DryRun: ptr.To(true)}},
    54  			obj:  nil,
    55  			want: false,
    56  		},
    57  		{
    58  			name: "false - no annotations",
    59  			req:  admission.Request{AdmissionRequest: admissionv1.AdmissionRequest{DryRun: ptr.To(true)}},
    60  			obj:  &unstructured.Unstructured{},
    61  			want: false,
    62  		},
    63  		{
    64  			name: "false - annotation not set",
    65  			req:  admission.Request{AdmissionRequest: admissionv1.AdmissionRequest{DryRun: ptr.To(true)}},
    66  			obj: &unstructured.Unstructured{Object: map[string]interface{}{
    67  				"metadata": map[string]interface{}{
    68  					"annotations": map[string]interface{}{},
    69  				},
    70  			}},
    71  			want: false,
    72  		},
    73  		{
    74  			name: "true",
    75  			req:  admission.Request{AdmissionRequest: admissionv1.AdmissionRequest{DryRun: ptr.To(true)}},
    76  			obj: &unstructured.Unstructured{Object: map[string]interface{}{
    77  				"metadata": map[string]interface{}{
    78  					"annotations": map[string]interface{}{
    79  						clusterv1.TopologyDryRunAnnotation: "",
    80  					},
    81  				},
    82  			}},
    83  			want: true,
    84  		},
    85  	}
    86  	for _, tt := range tests {
    87  		t.Run(tt.name, func(t *testing.T) {
    88  			if got := ShouldSkipImmutabilityChecks(tt.req, tt.obj); got != tt.want {
    89  				t.Errorf("ShouldSkipImmutabilityChecks() = %v, want %v", got, tt.want)
    90  			}
    91  		})
    92  	}
    93  }