github.com/GoogleCloudPlatform/compute-image-tools/cli_tools@v0.0.0-20240516224744-de2dabc4ed1b/common/utils/collections/collections_utils_test.go (about)

     1  //  Copyright 2020 Google Inc. All Rights Reserved.
     2  //
     3  //  Licensed under the Apache License, Version 2.0 (the "License");
     4  //  you may not use this file except in compliance with the License.
     5  //  You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  //  Unless required by applicable law or agreed to in writing, software
    10  //  distributed under the License is distributed on an "AS IS" BASIS,
    11  //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  //  See the License for the specific language governing permissions and
    13  //  limitations under the License.
    14  
    15  package collections
    16  
    17  import (
    18  	"reflect"
    19  	"sort"
    20  	"testing"
    21  )
    22  
    23  func TestReverseMap(t *testing.T) {
    24  	tests := []struct {
    25  		name          string
    26  		input         map[string]string
    27  		want          map[string]string
    28  		expectSuccess bool
    29  	}{
    30  		{"nil map", nil, map[string]string{}, true},
    31  		{"empty map", map[string]string{}, map[string]string{}, true},
    32  		{"single item map", map[string]string{"k1": "v1"}, map[string]string{"v1": "k1"}, true},
    33  		{"multiple items map", map[string]string{"k1": "v1", "k2": "v2"}, map[string]string{"v1": "k1", "v2": "k2"}, true},
    34  		{"dup values", map[string]string{"k1": "v1", "k2": "v1"}, nil, false},
    35  	}
    36  
    37  	for _, test := range tests {
    38  		m, ok := ReverseMap(test.input)
    39  		if test.expectSuccess != ok {
    40  			t.Errorf("[%v] Expected success: %v, actual: %v", test.name, test.expectSuccess, ok)
    41  		} else if test.expectSuccess && !reflect.DeepEqual(m, test.want) {
    42  			t.Errorf("[%v] Expected map '%v' != actual map '%v'", test.name, test.want, m)
    43  		}
    44  	}
    45  }
    46  
    47  func TestGetKeys(t *testing.T) {
    48  	tests := []struct {
    49  		name  string
    50  		input map[string]string
    51  		want  []string
    52  	}{
    53  		{"nil map", nil, []string{}},
    54  		{"empty map", map[string]string{}, []string{}},
    55  		{"single item map", map[string]string{"k1": "v1"}, []string{"k1"}},
    56  		{"multiple items map", map[string]string{"k1": "v1", "k2": "v2"}, []string{"k1", "k2"}},
    57  	}
    58  
    59  	for _, test := range tests {
    60  		keys := GetKeys(test.input)
    61  		sort.Strings(keys)
    62  		sort.Strings(test.want)
    63  		if !reflect.DeepEqual(keys, test.want) {
    64  			t.Errorf("[%v] Expected keys '%v' != actual keys '%v'", test.name, test.want, keys)
    65  		}
    66  	}
    67  }