vitess.io/vitess@v0.16.2/go/vt/vtadmin/cluster/flags_test.go (about) 1 /* 2 Copyright 2020 The Vitess 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 cluster 18 19 import ( 20 "testing" 21 22 "github.com/stretchr/testify/assert" 23 ) 24 25 func TestMergeFlagsByImpl(t *testing.T) { 26 t.Parallel() 27 28 var NilMap map[string]map[string]string 29 30 tests := []struct { 31 name string 32 base map[string]map[string]string 33 in map[string]map[string]string 34 expected map[string]map[string]string 35 }{ 36 { 37 name: "nil", 38 base: nil, 39 in: nil, 40 expected: map[string]map[string]string{}, 41 }, 42 { 43 name: "wrapped nil", 44 base: NilMap, 45 in: NilMap, 46 expected: map[string]map[string]string{}, 47 }, 48 { 49 name: "all overrides", 50 base: nil, 51 in: map[string]map[string]string{ 52 "consul": { 53 "flag1": "value1", 54 }, 55 }, 56 expected: map[string]map[string]string{ 57 "consul": { 58 "flag1": "value1", 59 }, 60 }, 61 }, 62 { 63 name: "all defaults", 64 base: map[string]map[string]string{ 65 "consul": { 66 "flag1": "value1", 67 }, 68 }, 69 in: nil, 70 expected: map[string]map[string]string{ 71 "consul": { 72 "flag1": "value1", 73 }, 74 }, 75 }, 76 { 77 name: "mixed", 78 base: map[string]map[string]string{ 79 "consul": { 80 "flag1": "value1", 81 "flag2": "value2", 82 }, 83 "other": {}, 84 }, 85 in: map[string]map[string]string{ 86 "consul": { 87 "flag1": "othervalue", 88 }, 89 }, 90 expected: map[string]map[string]string{ 91 "consul": { 92 "flag1": "othervalue", 93 "flag2": "value2", 94 }, 95 "other": {}, 96 }, 97 }, 98 } 99 100 for _, tt := range tests { 101 tt := tt 102 103 t.Run(tt.name, func(t *testing.T) { 104 t.Parallel() 105 106 flags := FlagsByImpl(tt.base) 107 flags.Merge(tt.in) 108 assert.Equal(t, FlagsByImpl(tt.expected), flags) 109 }) 110 } 111 }