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-rw-r--r--libpod/events/nullout.go13
1 files changed, 7 insertions, 6 deletions
diff --git a/libpod/events/nullout.go b/libpod/events/nullout.go
index 587a1b98b..da3820c23 100644
--- a/libpod/events/nullout.go
+++ b/libpod/events/nullout.go
@@ -2,10 +2,11 @@ package events
import (
"context"
+ "errors"
)
-// EventToNull is an eventer type that only performs write operations
-// and only writes to /dev/null. It is meant for unittests only
+// EventToNull is an eventer type that does nothing.
+// It is meant for unittests only
type EventToNull struct{}
// Write eats the event and always returns nil
@@ -13,14 +14,14 @@ func (e EventToNull) Write(ee Event) error {
return nil
}
-// Read does nothing. Do not use it.
+// Read does nothing and returns an error.
func (e EventToNull) Read(ctx context.Context, options ReadOptions) error {
- return nil
+ return errors.New("cannot read events with the \"none\" backend")
}
-// NewNullEventer returns a new null eventer. You should only do this for
+// newNullEventer returns a new null eventer. You should only do this for
// the purposes of internal libpod testing.
-func NewNullEventer() Eventer {
+func newNullEventer() Eventer {
return EventToNull{}
}