podman/libpod/events/nullout.go

32 lines
748 B
Go

package events
import (
"context"
"errors"
)
// EventToNull is an eventer type that does nothing.
// It is meant for unit tests only
type EventToNull struct{}
// Write eats the event and always returns nil
func (e EventToNull) Write(ee Event) error {
return nil
}
// Read does nothing and returns an error.
func (e EventToNull) Read(ctx context.Context, options ReadOptions) error {
return errors.New("cannot read events with the \"none\" backend")
}
// newNullEventer returns a new null eventer. You should only do this for
// the purposes of internal libpod testing.
func newNullEventer() Eventer {
return EventToNull{}
}
// String returns a string representation of the logger
func (e EventToNull) String() string {
return "none"
}