sigs.k8s.io/cluster-api@v1.7.1/util/labels/format/helpers_test.go (about)

     1  /*
     2  Copyright 2021 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 format
    18  
    19  import (
    20  	"testing"
    21  
    22  	"github.com/onsi/gomega"
    23  )
    24  
    25  func TestNameLabelValue(t *testing.T) {
    26  	g := gomega.NewWithT(t)
    27  	tests := []struct {
    28  		name           string
    29  		machineSetName string
    30  		want           string
    31  	}{
    32  		{
    33  			name:           "return the name if it's less than 63 characters",
    34  			machineSetName: "machineSetName",
    35  			want:           "machineSetName",
    36  		},
    37  		{
    38  			name:           "return  for a name with more than 63 characters",
    39  			machineSetName: "machineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetName",
    40  			want:           "hash_FR_ghQ_z",
    41  		},
    42  	}
    43  	for _, tt := range tests {
    44  		t.Run(tt.name, func(*testing.T) {
    45  			got := MustFormatValue(tt.machineSetName)
    46  			g.Expect(got).To(gomega.Equal(tt.want))
    47  		})
    48  	}
    49  }
    50  
    51  func TestMustMatchLabelValueForName(t *testing.T) {
    52  	g := gomega.NewWithT(t)
    53  	tests := []struct {
    54  		name           string
    55  		machineSetName string
    56  		labelValue     string
    57  		want           bool
    58  	}{
    59  		{
    60  			name:           "match labels when MachineSet name is short",
    61  			machineSetName: "ms1",
    62  			labelValue:     "ms1",
    63  			want:           true,
    64  		},
    65  		{
    66  			name:           "don't match different labels when MachineSet name is short",
    67  			machineSetName: "ms1",
    68  			labelValue:     "notMS1",
    69  			want:           false,
    70  		},
    71  		{
    72  			name:           "don't match labels when MachineSet name is long",
    73  			machineSetName: "machineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetName",
    74  			labelValue:     "hash_Nx4RdE_z",
    75  			want:           false,
    76  		},
    77  		{
    78  			name:           "match labels when MachineSet name is long",
    79  			machineSetName: "machineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetNamemachineSetName",
    80  			labelValue:     "hash_FR_ghQ_z",
    81  			want:           true,
    82  		},
    83  	}
    84  	for _, tt := range tests {
    85  		t.Run(tt.name, func(*testing.T) {
    86  			got := MustEqualValue(tt.machineSetName, tt.labelValue)
    87  			g.Expect(got).To(gomega.Equal(tt.want))
    88  		})
    89  	}
    90  }