| 90 | } |
| 91 | |
| 92 | func TestHeaderFunctions(t *testing.T) { |
| 93 | const source = "hello world" |
| 94 | |
| 95 | tests := []struct { |
| 96 | doc string |
| 97 | template string |
| 98 | }{ |
| 99 | { |
| 100 | doc: "json", |
| 101 | template: `{{ json .}}`, |
| 102 | }, |
| 103 | { |
| 104 | doc: "split", |
| 105 | template: `{{ split . ","}}`, |
| 106 | }, |
| 107 | { |
| 108 | doc: "join", |
| 109 | template: `{{ join . ","}}`, |
| 110 | }, |
| 111 | { |
| 112 | doc: "title", |
| 113 | template: `{{ title .}}`, |
| 114 | }, |
| 115 | { |
| 116 | doc: "lower", |
| 117 | template: `{{ lower .}}`, |
| 118 | }, |
| 119 | { |
| 120 | doc: "upper", |
| 121 | template: `{{ upper .}}`, |
| 122 | }, |
| 123 | { |
| 124 | doc: "truncate", |
| 125 | template: `{{ truncate . 2}}`, |
| 126 | }, |
| 127 | } |
| 128 | |
| 129 | for _, tc := range tests { |
| 130 | t.Run(tc.doc, func(t *testing.T) { |
| 131 | tmpl, err := New("").Funcs(HeaderFunctions).Parse(tc.template) |
| 132 | assert.NilError(t, err) |
| 133 | |
| 134 | var b bytes.Buffer |
| 135 | assert.NilError(t, tmpl.Execute(&b, source)) |
| 136 | |
| 137 | // All header-functions are currently stubs, and don't modify the input. |
| 138 | expected := source |
| 139 | assert.Equal(t, expected, b.String()) |
| 140 | }) |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | type stringerString string |
| 145 | |