json2go/json2go_internal_test.go (view raw)
| 1 | package json2go |
| 2 | |
| 3 | import "testing" |
| 4 | |
| 5 | func TestTransformer_GetGoType(t *testing.T) { |
| 6 | tests := map[string]struct { |
| 7 | value any |
| 8 | fieldName string |
| 9 | output string |
| 10 | }{ |
| 11 | "struct": { |
| 12 | value: map[string]any{ |
| 13 | "username": "user-ovich", |
| 14 | "age": float64(20), |
| 15 | }, |
| 16 | output: "struct {" + |
| 17 | field(1, "Age", "int") + |
| 18 | field(1, "Username", "string") + |
| 19 | "\n}", |
| 20 | }, |
| 21 | "empty slice": { |
| 22 | value: make([]any, 0), |
| 23 | output: "[]any", |
| 24 | }, |
| 25 | "slice of ints": { |
| 26 | value: []any{float64(3), float64(123)}, |
| 27 | output: "[]int", |
| 28 | }, |
| 29 | "slice of floats": { |
| 30 | value: []any{float64(3.4), float64(123.3)}, |
| 31 | output: "[]float64", |
| 32 | }, |
| 33 | "slice of strings": { |
| 34 | value: []any{"asdf", "jalkjsd"}, |
| 35 | output: "[]string", |
| 36 | }, |
| 37 | "slice of bool": { |
| 38 | value: []any{false, true, false}, |
| 39 | output: "[]bool", |
| 40 | }, |
| 41 | "int": { |
| 42 | value: float64(1233), |
| 43 | output: "int", |
| 44 | }, |
| 45 | "float64": { |
| 46 | value: float64(1233.23), |
| 47 | output: "float64", |
| 48 | }, |
| 49 | "bool": { |
| 50 | value: false, |
| 51 | output: "bool", |
| 52 | }, |
| 53 | "any": { |
| 54 | value: nil, |
| 55 | output: "any", |
| 56 | }, |
| 57 | } |
| 58 | |
| 59 | trans := NewTransformer() |
| 60 | for tname, tt := range tests { |
| 61 | t.Run(tname, func(t *testing.T) { |
| 62 | t.Parallel() |
| 63 | |
| 64 | fieldName := "field" |
| 65 | if tt.fieldName != "" { |
| 66 | fieldName = tt.fieldName |
| 67 | } |
| 68 | |
| 69 | res := trans.getGoType(fieldName, tt.value) |
| 70 | assertEqual(t, tt.output, res) |
| 71 | }) |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | func TestTransformer_buildStruct(t *testing.T) { |
| 76 | tests := map[string]struct { |
| 77 | input map[string]any |
| 78 | output string |
| 79 | }{ |
| 80 | "simple struct": { |
| 81 | input: map[string]any{ |
| 82 | // only one value, because of the inconsistent ordering of maps |
| 83 | "active": true, |
| 84 | }, |
| 85 | output: "struct {" + |
| 86 | field(1, "Active", "bool", "active") + |
| 87 | "\n}", |
| 88 | }, |
| 89 | "with no named field": { |
| 90 | input: map[string]any{"": "user"}, |
| 91 | output: "struct {" + |
| 92 | field(1, "NotNamedField", "string", "NotNamedField") + |
| 93 | "\n}", |
| 94 | }, |
| 95 | } |
| 96 | |
| 97 | trans := NewTransformer() |
| 98 | for tname, tt := range tests { |
| 99 | t.Run(tname, func(t *testing.T) { |
| 100 | t.Parallel() |
| 101 | |
| 102 | res := trans.buildStruct(tt.input) |
| 103 | assertEqual(t, tt.output, res) |
| 104 | }) |
| 105 | } |
| 106 | } |
| 107 | |
| 108 | func TestTransformer_getTypeAnnotation(t *testing.T) { |
| 109 | c := "type Typeich " |
| 110 | tests := map[string]struct { |
| 111 | input any |
| 112 | output string |
| 113 | }{ |
| 114 | "struct": { |
| 115 | input: map[string]any{"field": false}, |
| 116 | output: c + "struct {" + |
| 117 | field(1, "Field", "bool") + "\n}", |
| 118 | }, |
| 119 | "slice": { |
| 120 | input: []any{"asdf", "jkl;"}, |
| 121 | output: c + "[]string", |
| 122 | }, |
| 123 | "empty slice": { |
| 124 | input: make([]any, 0), |
| 125 | output: c + "[]any", |
| 126 | }, |
| 127 | "string": { |
| 128 | input: "asdf", |
| 129 | output: c + "string", |
| 130 | }, |
| 131 | "int": { |
| 132 | input: float64(123), |
| 133 | output: c + "int", |
| 134 | }, |
| 135 | "float64": { |
| 136 | input: float64(123.69), |
| 137 | output: c + "float64", |
| 138 | }, |
| 139 | "bool": { |
| 140 | input: true, |
| 141 | output: c + "bool", |
| 142 | }, |
| 143 | "any": { |
| 144 | input: nil, |
| 145 | output: c + "any", |
| 146 | }, |
| 147 | } |
| 148 | |
| 149 | trans := NewTransformer() |
| 150 | for tname, tt := range tests { |
| 151 | t.Run(tname, func(t *testing.T) { |
| 152 | t.Parallel() |
| 153 | |
| 154 | res := trans.getTypeAnnotation("Typeich", tt.input) |
| 155 | assertEqual(t, tt.output, res) |
| 156 | }) |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | func TestTransformer_toGoFieldName(t *testing.T) { |
| 161 | tests := map[string]string{ |
| 162 | "input": "Input", |
| 163 | "Input": "Input", |
| 164 | "long_name": "LongName", |
| 165 | "a_lot_of_____": "ALotOf", |
| 166 | "__name": "Name", |
| 167 | } |
| 168 | |
| 169 | trans := NewTransformer() |
| 170 | for input, output := range tests { |
| 171 | t.Run(input, func(t *testing.T) { |
| 172 | t.Parallel() |
| 173 | |
| 174 | res := trans.toGoFieldName(input) |
| 175 | assertEqual(t, output, res) |
| 176 | }) |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | func TestMapToStructInput(t *testing.T) { |
| 181 | inp := map[string]any{ |
| 182 | "field1": nil, |
| 183 | "field2": true, |
| 184 | "a": 123, |
| 185 | "user": map[string]any{}, |
| 186 | } |
| 187 | |
| 188 | assertEqual(t, mapToStructInput(inp), []structInput{ |
| 189 | {"a", 123}, |
| 190 | {"field1", nil}, |
| 191 | {"field2", true}, |
| 192 | {"user", map[string]any{}}, |
| 193 | }) |
| 194 | } |