spf13--viper/internal/encoding/json/codec_test.go
2024-12-13 23:06:24 +01:00

87 lines
1.3 KiB
Go

package json
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// encoded form of the data.
const encoded = `{
"key": "value",
"list": [
"item1",
"item2",
"item3"
],
"map": {
"key": "value"
},
"nested_map": {
"map": {
"key": "value",
"list": [
"item1",
"item2",
"item3"
]
}
}
}`
// data is Viper's internal representation.
var data = map[string]any{
"key": "value",
"list": []any{
"item1",
"item2",
"item3",
},
"map": map[string]any{
"key": "value",
},
"nested_map": map[string]any{
"map": map[string]any{
"key": "value",
"list": []any{
"item1",
"item2",
"item3",
},
},
},
}
func TestCodec_Encode(t *testing.T) {
codec := Codec{}
b, err := codec.Encode(data)
require.NoError(t, err)
assert.JSONEq(t, encoded, string(b))
}
func TestCodec_Decode(t *testing.T) {
t.Run("OK", func(t *testing.T) {
codec := Codec{}
v := map[string]any{}
err := codec.Decode([]byte(encoded), v)
require.NoError(t, err)
assert.Equal(t, data, v)
})
t.Run("InvalidData", func(t *testing.T) {
codec := Codec{}
v := map[string]any{}
err := codec.Decode([]byte(`invalid data`), v)
require.Error(t, err)
t.Logf("decoding failed as expected: %s", err)
})
}