forked from TrueCloudLab/frostfs-node
67 lines
1.2 KiB
Go
67 lines
1.2 KiB
Go
package metaerr
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import (
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"errors"
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"fmt"
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"strconv"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestError(t *testing.T) {
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t.Run("errors.Is", func(t *testing.T) {
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e1 := errors.New("some error")
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ee := Wrap(e1)
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require.ErrorIs(t, ee, e1)
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e2 := fmt.Errorf("wrap: %w", e1)
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ee = Wrap(e2)
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require.ErrorIs(t, ee, e1)
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require.ErrorIs(t, ee, e2)
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require.Equal(t, errors.Unwrap(ee), e2)
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})
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t.Run("errors.As", func(t *testing.T) {
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e1 := testError{42}
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ee := Wrap(e1)
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{
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var actual testError
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require.ErrorAs(t, ee, &actual)
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require.Equal(t, e1.data, actual.data)
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}
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{
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var actual Error
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require.ErrorAs(t, ee, &actual)
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require.Equal(t, e1, actual.err)
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}
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e2 := fmt.Errorf("wrap: %w", e1)
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ee = Wrap(e2)
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{
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var actual testError
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require.ErrorAs(t, ee, &actual)
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require.Equal(t, e1.data, actual.data)
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}
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})
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}
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func TestNilWrap(t *testing.T) {
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require.NoError(t, Wrap(nil))
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}
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func TestErrorMessage(t *testing.T) {
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msg := "sth to report"
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err := New(msg)
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require.Contains(t, err.Error(), msg)
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}
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type testError struct {
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data uint64
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}
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func (e testError) Error() string {
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return strconv.FormatUint(e.data, 10)
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}
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