package events import ( "context" "testing" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/tendermint/tendermint/libs/log" ) func TestEventCache_Flush(t *testing.T) { ctx, cancel := context.WithCancel(context.Background()) defer cancel() logger := log.NewTestingLogger(t) evsw := NewEventSwitch(logger) err := evsw.Start(ctx) require.NoError(t, err) err = evsw.AddListenerForEvent("nothingness", "", func(_ context.Context, data EventData) error { // Check we are not initializing an empty buffer full of zeroed eventInfos in the EventCache require.FailNow(t, "We should never receive a message on this switch since none are fired") return nil }) require.NoError(t, err) evc := NewEventCache(evsw) evc.Flush(ctx) // Check after reset evc.Flush(ctx) fail := true pass := false err = evsw.AddListenerForEvent("somethingness", "something", func(_ context.Context, data EventData) error { if fail { require.FailNow(t, "Shouldn't see a message until flushed") } pass = true return nil }) require.NoError(t, err) evc.FireEvent("something", struct{ int }{1}) evc.FireEvent("something", struct{ int }{2}) evc.FireEvent("something", struct{ int }{3}) fail = false evc.Flush(ctx) assert.True(t, pass) }