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96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
package errz_test
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import (
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"database/sql"
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"errors"
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"fmt"
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"testing"
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"github.com/neilotoole/slogt"
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"github.com/neilotoole/sq/libsq/core/lg/lga"
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"github.com/neilotoole/sq/libsq/core/errz"
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"github.com/stretchr/testify/require"
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)
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func TestIs(t *testing.T) {
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err := errz.Wrap(sql.ErrNoRows, "wrap")
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require.Equal(t, "wrap: "+sql.ErrNoRows.Error(), err.Error())
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require.True(t, errors.Is(err, sql.ErrNoRows))
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}
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func TestAs(t *testing.T) {
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var originalErr error //nolint:gosimple
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originalErr = &CustomError{msg: "huzzah"}
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err := errz.Wrap(errz.Wrap(originalErr, "wrap"), "wrap")
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require.Equal(t, "wrap: wrap: huzzah", err.Error())
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var gotCustomErr *CustomError
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require.True(t, errors.As(err, &gotCustomErr))
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require.Equal(t, "huzzah", gotCustomErr.msg)
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gotUnwrap := errz.Cause(err)
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require.Equal(t, *originalErr.(*CustomError), *gotUnwrap.(*CustomError)) //nolint:errorlint
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}
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type CustomError struct {
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msg string
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}
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func (e *CustomError) Error() string {
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return e.msg
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}
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func TestLogError_LogValue(t *testing.T) {
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log := slogt.New(t)
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nakedErr := sql.ErrNoRows
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log.Debug("naked", lga.Err, nakedErr)
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zErr := errz.Err(nakedErr)
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log.Debug("via errz.Err", lga.Err, zErr)
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wrapErr := errz.Wrap(nakedErr, "wrap me")
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log.Debug("via errz.Wrap", lga.Err, wrapErr)
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}
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func TestIsErrNotExist(t *testing.T) {
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var err error
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require.False(t, errz.IsErrNotExist(err))
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require.False(t, errz.IsErrNotExist(errz.New("huzzah")))
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var nee1 *errz.NotExistError
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require.True(t, errz.IsErrNotExist(nee1))
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var nee2 *errz.NotExistError
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require.True(t, errors.As(nee1, &nee2))
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err = errz.NotExist(errz.New("huzzah"))
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require.True(t, errz.IsErrNotExist(err))
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err = fmt.Errorf("wrap me: %w", err)
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require.True(t, errz.IsErrNotExist(err))
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}
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func TestIsErrNoData(t *testing.T) {
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var err error
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require.False(t, errz.IsErrNoData(err))
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require.False(t, errz.IsErrNoData(errz.New("huzzah")))
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var nde1 *errz.NoDataError
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require.True(t, errz.IsErrNoData(nde1))
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var nde2 *errz.NoDataError
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require.True(t, errors.As(nde1, &nde2))
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err = errz.NoData(errz.New("huzzah"))
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require.True(t, errz.IsErrNoData(err))
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err = fmt.Errorf("wrap me: %w", err)
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require.True(t, errz.IsErrNoData(err))
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err = errz.NoDataf("%s doesn't exist", "me")
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require.True(t, errz.IsErrNoData(err))
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require.Equal(t, "me doesn't exist", err.Error())
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}
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