github.com/nikron/prototool@v1.3.0/internal/strs/strs_test.go (about) 1 // Copyright (c) 2018 Uber Technologies, Inc. 2 // 3 // Permission is hereby granted, free of charge, to any person obtaining a copy 4 // of this software and associated documentation files (the "Software"), to deal 5 // in the Software without restriction, including without limitation the rights 6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 // copies of the Software, and to permit persons to whom the Software is 8 // furnished to do so, subject to the following conditions: 9 // 10 // The above copyright notice and this permission notice shall be included in 11 // all copies or substantial portions of the Software. 12 // 13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 // THE SOFTWARE. 20 21 package strs 22 23 import ( 24 "strings" 25 "testing" 26 27 "github.com/stretchr/testify/assert" 28 ) 29 30 func TestIsCapitalized(t *testing.T) { 31 assert.False(t, IsCapitalized("")) 32 assert.False(t, IsCapitalized("hello")) 33 assert.True(t, IsCapitalized("Hello")) 34 assert.False(t, IsCapitalized("hELLO")) 35 assert.True(t, IsCapitalized("HeLLo")) 36 } 37 38 func TestIsCamelCase(t *testing.T) { 39 assert.False(t, IsCamelCase("")) 40 assert.True(t, IsCamelCase("hello")) 41 assert.True(t, IsCamelCase("helloWorld")) 42 assert.False(t, IsCamelCase("hello_world")) 43 assert.False(t, IsCamelCase("hello.World")) 44 assert.True(t, IsCamelCase("ABBRCamel")) 45 } 46 47 func TestIsLowerSnakeCase(t *testing.T) { 48 assert.False(t, IsLowerSnakeCase("")) 49 assert.True(t, IsLowerSnakeCase("hello")) 50 assert.False(t, IsLowerSnakeCase("helloWorld")) 51 assert.True(t, IsLowerSnakeCase("hello_world")) 52 assert.False(t, IsLowerSnakeCase("Hello_world")) 53 assert.False(t, IsLowerSnakeCase("_hello_world")) 54 assert.False(t, IsLowerSnakeCase("hello_world_")) 55 assert.False(t, IsLowerSnakeCase("hello_world.foo")) 56 } 57 58 func TestIsUpperSnakeCase(t *testing.T) { 59 assert.False(t, IsUpperSnakeCase("")) 60 assert.False(t, IsUpperSnakeCase("hello")) 61 assert.True(t, IsUpperSnakeCase("HELLO")) 62 assert.False(t, IsUpperSnakeCase("helloWorld")) 63 assert.False(t, IsUpperSnakeCase("hello_world")) 64 assert.True(t, IsUpperSnakeCase("HELLO_WORLD")) 65 assert.False(t, IsUpperSnakeCase("Hello_world")) 66 assert.False(t, IsUpperSnakeCase("_HELLO_WORLD")) 67 assert.False(t, IsUpperSnakeCase("HELLO_WORLD_")) 68 assert.False(t, IsUpperSnakeCase("HELLO_WORLD.FOO")) 69 } 70 71 func TestIsLowercase(t *testing.T) { 72 assert.False(t, IsLowercase("")) 73 assert.True(t, IsLowercase("hello")) 74 assert.False(t, IsLowercase("hEllo")) 75 assert.False(t, IsLowercase("HELLO")) 76 } 77 78 func TestIsUppercase(t *testing.T) { 79 assert.False(t, IsUppercase("")) 80 assert.False(t, IsUppercase("hello")) 81 assert.False(t, IsUppercase("hEllo")) 82 assert.True(t, IsUppercase("HELLO")) 83 } 84 85 func TestToUpperSnakeCase(t *testing.T) { 86 assert.Equal(t, "", ToUpperSnakeCase("")) 87 assert.Equal(t, "CAMEL_CASE", ToUpperSnakeCase("CamelCase")) 88 assert.Equal(t, "CAMEL_CASE", ToUpperSnakeCase("camelCase")) 89 assert.Equal(t, "CAMEL_CASE_", ToUpperSnakeCase("CamelCase_")) 90 assert.Equal(t, "_CAMEL_CASE", ToUpperSnakeCase("_CamelCase")) 91 assert.Equal(t, "CAMEL_CASE__HELLO", ToUpperSnakeCase("CamelCase__Hello")) 92 assert.Equal(t, "ABBR_CAMEL", ToUpperSnakeCase("ABBRCamel")) 93 } 94 95 func TestToUpperCamelCase(t *testing.T) { 96 assert.Equal(t, "", ToUpperCamelCase("")) 97 assert.Equal(t, "", ToUpperCamelCase(" ")) 98 assert.Equal(t, "CamelCase", ToUpperCamelCase("camel_case")) 99 assert.Equal(t, "CamelCase", ToUpperCamelCase(" camel_case")) 100 assert.Equal(t, "CamelCase", ToUpperCamelCase(" camel_case ")) 101 assert.Equal(t, "CamelCase", ToUpperCamelCase("camel_case ")) 102 assert.Equal(t, "CamelCase", ToUpperCamelCase("Camel_case")) 103 assert.Equal(t, "CamelCase", ToUpperCamelCase("__Camel___case")) 104 assert.Equal(t, "CamelCase", ToUpperCamelCase("__Camel___case__")) 105 assert.Equal(t, "CamelCase", ToUpperCamelCase("Camel___case__")) 106 assert.Equal(t, "CamelCase", ToUpperCamelCase("Camel-case")) 107 assert.Equal(t, "CamelCase", ToUpperCamelCase("Camel case")) 108 assert.Equal(t, "CamelCase", ToUpperCamelCase(" Camel case")) 109 assert.Equal(t, "CAMELCase", ToUpperCamelCase("CAMEL_case")) 110 assert.Equal(t, "CAMELCase", ToUpperCamelCase("__CAMEL___case")) 111 assert.Equal(t, "CAMELCase", ToUpperCamelCase("__CAMEL___case__")) 112 assert.Equal(t, "CAMELCase", ToUpperCamelCase("CAMEL___case__")) 113 assert.Equal(t, "CAMELCase", ToUpperCamelCase("CAMEL-case")) 114 assert.Equal(t, "CAMELCase", ToUpperCamelCase("CAMEL case")) 115 assert.Equal(t, "CAMELCase", ToUpperCamelCase(" CAMEL case")) 116 } 117 118 func TestDedupeSort(t *testing.T) { 119 assert.Equal(t, []string{"a", "b", "c"}, DedupeSort([]string{"b", "A", "c"}, strings.ToLower)) 120 assert.Equal(t, []string{"a", "b", "c"}, DedupeSort([]string{"b", "A", "c", "a"}, strings.ToLower)) 121 assert.Equal(t, []string{"a", "b", "c"}, DedupeSort([]string{"b", "A", "c", "a", "B"}, strings.ToLower)) 122 assert.Equal(t, []string{"a", "b", "c"}, DedupeSort([]string{"b", "A", "c", "a", "B", "b"}, strings.ToLower)) 123 assert.Equal(t, []string{"A", "b", "c"}, DedupeSort([]string{"b", "A", "c"}, nil)) 124 assert.Equal(t, []string{"A", "a", "b", "c"}, DedupeSort([]string{"b", "A", "c", "a"}, nil)) 125 assert.Equal(t, []string{"A", "B", "b", "c"}, DedupeSort([]string{"b", "A", "c", "A", "B"}, nil)) 126 assert.Equal(t, []string{"A", "B", "b", "c"}, DedupeSort([]string{"b", "A", "c", "", "A", "B"}, nil)) 127 } 128 129 func TestIntersection(t *testing.T) { 130 assert.Equal(t, []string{}, Intersection([]string{"1", "2", "3"}, []string{"4", "5", "6"})) 131 assert.Equal(t, []string{"1"}, Intersection([]string{"1", "2", "3"}, []string{"1", "5", "6"})) 132 assert.Equal(t, []string{"1", "2"}, Intersection([]string{"1", "2", "3"}, []string{"1", "5", "2"})) 133 assert.Equal(t, []string{}, Intersection([]string{"1"}, []string{"4"})) 134 assert.Equal(t, []string{"1"}, Intersection([]string{"1"}, []string{"1"})) 135 assert.Equal(t, []string{}, Intersection([]string{}, []string{"1"})) 136 assert.Equal(t, []string{}, Intersection([]string{"1"}, []string{})) 137 assert.Equal(t, []string{}, Intersection([]string{}, []string{})) 138 assert.Equal(t, []string{"1", "2"}, Intersection([]string{"1", "2", "3"}, []string{"1", "5", "", "2"})) 139 assert.Equal(t, []string{"1", "2"}, Intersection([]string{"1", "2", "", "3"}, []string{"1", "5", "2"})) 140 assert.Equal(t, []string{"1", "2"}, Intersection([]string{"1", "2", "", "3"}, []string{"1", "5", "", "2"})) 141 }