Ilia Denisov
49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package error
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import (
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stderrors "errors"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestClassifiedErrorWrapPreservesCause(t *testing.T) {
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t.Parallel()
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cause := stderrors.New("dial tcp: connection refused")
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err := WrapConnection(cause)
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require.ErrorIs(t, err, cause)
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require.True(t, IsConnection(err))
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require.False(t, IsStorage(err))
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require.False(t, IsService(err))
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classified, ok := stderrors.AsType[*ClassifiedError](err)
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require.True(t, ok)
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require.Equal(t, ClassConnection, classified.Class())
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}
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func TestClassifiedErrorDoesNotDoubleWrapSameClass(t *testing.T) {
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t.Parallel()
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cause := stderrors.New("write file")
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first := WrapStorage(cause)
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second := WrapStorage(first)
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require.Same(t, first, second)
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}
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func TestGenericErrorSupportsAsAndUnwrap(t *testing.T) {
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t.Parallel()
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cause := stderrors.New("root cause")
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err := newGenericError(ErrDummy, cause, "subject")
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require.ErrorIs(t, err, cause)
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generic, ok := stderrors.AsType[*GenericError](err)
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require.True(t, ok)
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require.Equal(t, ErrDummy, generic.Code)
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require.Equal(t, "Dummy: subject: root cause", err.Error())
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}
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