sigs.k8s.io/cluster-api@v1.7.1/internal/controllers/topology/cluster/patches/variables/value_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 variables
    18  
    19  import (
    20  	"testing"
    21  
    22  	. "github.com/onsi/gomega"
    23  	"k8s.io/utils/ptr"
    24  )
    25  
    26  func TestParsePathSegment(t *testing.T) {
    27  	tests := []struct {
    28  		name            string
    29  		segment         string
    30  		wantPathSegment *pathSegment
    31  		wantErr         bool
    32  	}{
    33  		{
    34  			name:    "parse basic segment",
    35  			segment: "propertyName",
    36  			wantPathSegment: &pathSegment{
    37  				path:  "propertyName",
    38  				index: nil,
    39  			},
    40  		},
    41  		{
    42  			name:    "parse segment with index",
    43  			segment: "arrayProperty[5]",
    44  			wantPathSegment: &pathSegment{
    45  				path:  "arrayProperty",
    46  				index: ptr.To(5),
    47  			},
    48  		},
    49  		{
    50  			name:    "fail invalid syntax: only left delimiter",
    51  			segment: "arrayProperty[",
    52  			wantErr: true,
    53  		},
    54  		{
    55  			name:    "fail invalid syntax: only right delimiter",
    56  			segment: "arrayProperty]",
    57  			wantErr: true,
    58  		},
    59  		{
    60  			name:    "fail invalid syntax: both delimiter but no index",
    61  			segment: "arrayProperty[]",
    62  			wantErr: true,
    63  		},
    64  		{
    65  			name:    "fail invalid syntax: negative index",
    66  			segment: "arrayProperty[-1]",
    67  			wantErr: true,
    68  		},
    69  	}
    70  	for _, tt := range tests {
    71  		t.Run(tt.name, func(t *testing.T) {
    72  			g := NewWithT(t)
    73  
    74  			got, err := parsePathSegment(tt.segment)
    75  			if tt.wantErr {
    76  				g.Expect(err).To(HaveOccurred())
    77  				return
    78  			}
    79  			g.Expect(err).ToNot(HaveOccurred())
    80  
    81  			g.Expect(got).To(Equal(tt.wantPathSegment))
    82  		})
    83  	}
    84  }