sigs.k8s.io/cluster-api@v1.6.3/exp/runtime/topologymutation/variables_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 topologymutation
    18  
    19  import (
    20  	"testing"
    21  
    22  	. "github.com/onsi/gomega"
    23  	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
    24  )
    25  
    26  func Test_GetRawTemplateVariable(t *testing.T) {
    27  	g := NewWithT(t)
    28  
    29  	varA := apiextensionsv1.JSON{Raw: toJSON("a")}
    30  	tests := []struct {
    31  		name          string
    32  		variables     map[string]apiextensionsv1.JSON
    33  		variableName  string
    34  		expectedValue *apiextensionsv1.JSON
    35  		expectedFound bool
    36  		expectedErr   bool
    37  	}{
    38  		{
    39  			name:          "Fails for invalid variable reference",
    40  			variables:     nil,
    41  			variableName:  "invalid[",
    42  			expectedValue: nil,
    43  			expectedFound: false,
    44  			expectedErr:   true,
    45  		},
    46  		{
    47  			name:          "variable not found",
    48  			variables:     nil,
    49  			variableName:  "notEsists",
    50  			expectedValue: nil,
    51  			expectedFound: false,
    52  			expectedErr:   false,
    53  		},
    54  		{
    55  			name: "return a variable",
    56  			variables: map[string]apiextensionsv1.JSON{
    57  				"a": varA,
    58  			},
    59  			variableName:  "a",
    60  			expectedValue: &varA,
    61  			expectedFound: true,
    62  			expectedErr:   false,
    63  		},
    64  	}
    65  	for _, tt := range tests {
    66  		t.Run(tt.name, func(t *testing.T) {
    67  			value, found, err := GetVariable(tt.variables, tt.variableName)
    68  
    69  			g.Expect(value).To(BeComparableTo(tt.expectedValue))
    70  			g.Expect(found).To(Equal(tt.expectedFound))
    71  			if tt.expectedErr {
    72  				g.Expect(err).To(HaveOccurred())
    73  			} else {
    74  				g.Expect(err).ToNot(HaveOccurred())
    75  			}
    76  		})
    77  	}
    78  }
    79  
    80  func Test_GetStringTemplateVariable(t *testing.T) {
    81  	g := NewWithT(t)
    82  
    83  	varA := apiextensionsv1.JSON{Raw: toJSON("a")}
    84  	tests := []struct {
    85  		name          string
    86  		variables     map[string]apiextensionsv1.JSON
    87  		variableName  string
    88  		expectedValue string
    89  		expectedFound bool
    90  		expectedErr   bool
    91  	}{
    92  		{
    93  			name:          "Fails for invalid variable reference",
    94  			variables:     nil,
    95  			variableName:  "invalid[",
    96  			expectedValue: "",
    97  			expectedFound: false,
    98  			expectedErr:   true,
    99  		},
   100  		{
   101  			name:          "variable not found",
   102  			variables:     nil,
   103  			variableName:  "notEsists",
   104  			expectedValue: "",
   105  			expectedFound: false,
   106  			expectedErr:   false,
   107  		},
   108  		{
   109  			name: "variable not found",
   110  			variables: map[string]apiextensionsv1.JSON{
   111  				"a": varA,
   112  			},
   113  			variableName:  "a",
   114  			expectedValue: "a",
   115  			expectedFound: true,
   116  			expectedErr:   false,
   117  		},
   118  	}
   119  	for _, tt := range tests {
   120  		t.Run(tt.name, func(t *testing.T) {
   121  			value, found, err := GetStringVariable(tt.variables, tt.variableName)
   122  
   123  			g.Expect(value).To(Equal(tt.expectedValue))
   124  			g.Expect(found).To(Equal(tt.expectedFound))
   125  			if tt.expectedErr {
   126  				g.Expect(err).To(HaveOccurred())
   127  			} else {
   128  				g.Expect(err).ToNot(HaveOccurred())
   129  			}
   130  		})
   131  	}
   132  }