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package git2go
import (
"bytes"
"encoding/gob"
"errors"
"fmt"
"testing"
"github.com/stretchr/testify/require"
)
func TestSerializableError(t *testing.T) {
for _, tc := range []struct {
desc string
input error
output error
containsTyped bool
}{
{
desc: "plain error",
input: errors.New("plain error"),
output: wrapError{Message: "plain error"},
},
{
desc: "wrapped plain error",
input: fmt.Errorf("error wrapper: %w", errors.New("plain error")),
output: wrapError{Message: "error wrapper: plain error", Err: wrapError{Message: "plain error"}},
},
{
desc: "wrapped typed error",
containsTyped: true,
input: fmt.Errorf("error wrapper: %w", InvalidArgumentError("typed error")),
output: wrapError{Message: "error wrapper: typed error", Err: InvalidArgumentError("typed error")},
},
{
desc: "typed wrapper",
containsTyped: true,
input: wrapError{
Message: "error wrapper: typed error 1: typed error 2",
Err: wrapError{
Message: "typed error 1: typed error 2",
Err: InvalidArgumentError("typed error 2"),
},
},
output: wrapError{
Message: "error wrapper: typed error 1: typed error 2",
Err: wrapError{
Message: "typed error 1: typed error 2",
Err: InvalidArgumentError("typed error 2"),
},
},
},
} {
t.Run(tc.desc, func(t *testing.T) {
encoded := &bytes.Buffer{}
require.NoError(t, gob.NewEncoder(encoded).Encode(SerializableError(tc.input)))
var err wrapError
require.NoError(t, gob.NewDecoder(encoded).Decode(&err))
require.Equal(t, tc.output, err)
var typedErr InvalidArgumentError
require.Equal(t, tc.containsTyped, errors.As(err, &typedErr))
})
}
}
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