62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package jsonlist
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import (
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"bytes"
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"encoding/json"
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"reflect"
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"testing"
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"github.com/stretchr/testify/require"
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)
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type S struct {
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A string
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B int
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C interface{}
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}
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func TestJsonList(t *testing.T) {
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for _, test := range []struct {
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js string
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value interface{}
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}{
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{
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js: `1 2 3`,
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value: []int{1, 2, 3},
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},
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{
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js: `"A" "B" "C"`,
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value: []string{"A", "B", "C"},
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},
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{
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js: `{"A": "A"} {"B": 2} {"C": 0.5}`,
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value: []S{{A: "A"}, {B: 2}, {C: 0.5}},
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},
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{
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js: `"A" 2`,
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value: []interface{}{"A", 2.0},
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},
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} {
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t.Run(test.js, func(t *testing.T) {
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emptySlice := reflect.New(reflect.TypeOf(test.value))
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require.NoError(t, Unmarshal(bytes.NewBufferString(test.js), emptySlice.Interface()))
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require.Equal(t, test.value, emptySlice.Elem().Interface())
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var buf bytes.Buffer
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require.NoError(t, Marshal(&buf, test.value))
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emptySlice = reflect.New(reflect.TypeOf(test.value))
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require.NoError(t, Unmarshal(&buf, emptySlice.Interface()))
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require.Equal(t, test.value, emptySlice.Elem().Interface())
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})
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}
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}
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func TestErrors(t *testing.T) {
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var buf bytes.Buffer
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require.Equal(t, &json.UnsupportedTypeError{Type: reflect.TypeOf([]int{})}, Unmarshal(&buf, []int{}))
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require.Equal(t, &json.UnsupportedTypeError{Type: reflect.TypeOf(1)}, Marshal(&buf, 1))
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}
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