json2go/json2go_internal_test.go(view raw)
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package json2go
import "testing"
func TestTransformer_GetGoType(t *testing.T) {
tests := map[string]struct {
value any
fieldName string
output string
}{
"struct": {
value: map[string]any{
"username": "user-ovich",
"age": float64(20),
},
output: "struct {" +
field(1, "Age", "int") +
field(1, "Username", "string") +
"\n}",
},
"empty slice": {
value: make([]any, 0),
output: "[]any",
},
"slice of ints": {
value: []any{float64(3), float64(123)},
output: "[]int",
},
"slice of floats": {
value: []any{float64(3.4), float64(123.3)},
output: "[]float64",
},
"slice of strings": {
value: []any{"asdf", "jalkjsd"},
output: "[]string",
},
"slice of bool": {
value: []any{false, true, false},
output: "[]bool",
},
"int": {
value: float64(1233),
output: "int",
},
"float64": {
value: float64(1233.23),
output: "float64",
},
"bool": {
value: false,
output: "bool",
},
"any": {
value: nil,
output: "any",
},
}
trans := NewTransformer()
for tname, tt := range tests {
t.Run(tname, func(t *testing.T) {
t.Parallel()
fieldName := "field"
if tt.fieldName != "" {
fieldName = tt.fieldName
}
res := trans.getGoType(fieldName, tt.value)
assertEqual(t, tt.output, res)
})
}
}
func TestTransformer_buildStruct(t *testing.T) {
tests := map[string]struct {
input map[string]any
output string
}{
"simple struct": {
input: map[string]any{
// only one value, because of the inconsistent ordering of maps
"active": true,
},
output: "struct {" +
field(1, "Active", "bool", "active") +
"\n}",
},
"with no named field": {
input: map[string]any{"": "user"},
output: "struct {" +
field(1, "NotNamedField", "string", "NotNamedField") +
"\n}",
},
}
trans := NewTransformer()
for tname, tt := range tests {
t.Run(tname, func(t *testing.T) {
t.Parallel()
res := trans.buildStruct(tt.input)
assertEqual(t, tt.output, res)
})
}
}
func TestTransformer_getTypeAnnotation(t *testing.T) {
c := "type Typeich "
tests := map[string]struct {
input any
output string
}{
"struct": {
input: map[string]any{"field": false},
output: c + "struct {" +
field(1, "Field", "bool") + "\n}",
},
"slice": {
input: []any{"asdf", "jkl;"},
output: c + "[]string",
},
"empty slice": {
input: make([]any, 0),
output: c + "[]any",
},
"string": {
input: "asdf",
output: c + "string",
},
"int": {
input: float64(123),
output: c + "int",
},
"float64": {
input: float64(123.69),
output: c + "float64",
},
"bool": {
input: true,
output: c + "bool",
},
"any": {
input: nil,
output: c + "any",
},
}
trans := NewTransformer()
for tname, tt := range tests {
t.Run(tname, func(t *testing.T) {
t.Parallel()
res := trans.getTypeAnnotation("Typeich", tt.input)
assertEqual(t, tt.output, res)
})
}
}
func TestTransformer_toGoFieldName(t *testing.T) {
tests := map[string]string{
"input": "Input",
"Input": "Input",
"long_name": "LongName",
"a_lot_of_____": "ALotOf",
"__name": "Name",
}
trans := NewTransformer()
for input, output := range tests {
t.Run(input, func(t *testing.T) {
t.Parallel()
res := trans.toGoFieldName(input)
assertEqual(t, output, res)
})
}
}
func TestMapToStructInput(t *testing.T) {
inp := map[string]any{
"field1": nil,
"field2": true,
"a": 123,
"user": map[string]any{},
}
assertEqual(t, mapToStructInput(inp), []structInput{
{"a", 123},
{"field1", nil},
{"field2", true},
{"user", map[string]any{}},
})
}
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