7 "github.com/onsi/gomega/format"
10 type BeSentMatcher struct {
15 func (matcher *BeSentMatcher) Match(actual interface{}) (success bool, err error) {
17 return false, fmt.Errorf("BeSent expects a channel. Got:\n%s", format.Object(actual, 1))
20 channelType := reflect.TypeOf(actual)
21 channelValue := reflect.ValueOf(actual)
23 if channelType.ChanDir() == reflect.RecvDir {
24 return false, fmt.Errorf("BeSent matcher cannot be passed a receive-only channel. Got:\n%s", format.Object(actual, 1))
27 argType := reflect.TypeOf(matcher.Arg)
28 assignable := argType.AssignableTo(channelType.Elem())
31 return false, fmt.Errorf("Cannot pass:\n%s to the channel:\n%s\nThe types don't match.", format.Object(matcher.Arg, 1), format.Object(actual, 1))
34 argValue := reflect.ValueOf(matcher.Arg)
37 if e := recover(); e != nil {
39 err = fmt.Errorf("Cannot send to a closed channel")
40 matcher.channelClosed = true
44 winnerIndex, _, _ := reflect.Select([]reflect.SelectCase{
45 reflect.SelectCase{Dir: reflect.SelectSend, Chan: channelValue, Send: argValue},
46 reflect.SelectCase{Dir: reflect.SelectDefault},
57 func (matcher *BeSentMatcher) FailureMessage(actual interface{}) (message string) {
58 return format.Message(actual, "to send:", matcher.Arg)
61 func (matcher *BeSentMatcher) NegatedFailureMessage(actual interface{}) (message string) {
62 return format.Message(actual, "not to send:", matcher.Arg)
65 func (matcher *BeSentMatcher) MatchMayChangeInTheFuture(actual interface{}) bool {
70 return !matcher.channelClosed