update dependencies (#6267)

Signed-off-by: hongming <coder.scala@gmail.com>

vendor/github.com/onsi/gomega/matchers/receive_matcher.go

@@ -3,6 +3,7 @@
 package matchers
 
 import (
+	"errors"
 	"fmt"
 	"reflect"
 
@@ -10,7 +11,7 @@ import (
 )
 
 type ReceiveMatcher struct {
-	Arg           interface{}
+	Args          []interface{}
 	receivedValue reflect.Value
 	channelClosed bool
 }
@@ -29,16 +30,39 @@ func (matcher *ReceiveMatcher) Match(actual interface{}) (success bool, err erro
 
 	var subMatcher omegaMatcher
 	var hasSubMatcher bool
+	var resultReference interface{}
 
-	if matcher.Arg != nil {
-		subMatcher, hasSubMatcher = (matcher.Arg).(omegaMatcher)
-		if !hasSubMatcher {
-			argType := reflect.TypeOf(matcher.Arg)
-			if argType.Kind() != reflect.Ptr {
-				return false, fmt.Errorf("Cannot assign a value from the channel:\n%s\nTo:\n%s\nYou need to pass a pointer!", format.Object(actual, 1), format.Object(matcher.Arg, 1))
-			}
+	// Valid arg formats are as follows, always with optional POINTER before
+	// optional MATCHER:
+	//   - Receive()
+	//   - Receive(POINTER)
+	//   - Receive(MATCHER)
+	//   - Receive(POINTER, MATCHER)
+	args := matcher.Args
+	if len(args) > 0 {
+		arg := args[0]
+		_, isSubMatcher := arg.(omegaMatcher)
+		if !isSubMatcher && reflect.ValueOf(arg).Kind() == reflect.Ptr {
+			// Consume optional POINTER arg first, if it ain't no matcher ;)
+			resultReference = arg
+			args = args[1:]
 		}
 	}
+	if len(args) > 0 {
+		arg := args[0]
+		subMatcher, hasSubMatcher = arg.(omegaMatcher)
+		if !hasSubMatcher {
+			// At this point we assume the dev user wanted to assign a received
+			// value, so [POINTER,]MATCHER.
+			return false, fmt.Errorf("Cannot assign a value from the channel:\n%s\nTo:\n%s\nYou need to pass a pointer!", format.Object(actual, 1), format.Object(arg, 1))
+		}
+		// Consume optional MATCHER arg.
+		args = args[1:]
+	}
+	if len(args) > 0 {
+		// If there are still args present, reject all.
+		return false, errors.New("Receive matcher expects at most an optional pointer and/or an optional matcher")
+	}
 
 	winnerIndex, value, open := reflect.Select([]reflect.SelectCase{
 		{Dir: reflect.SelectRecv, Chan: channelValue},
@@ -58,16 +82,20 @@ func (matcher *ReceiveMatcher) Match(actual interface{}) (success bool, err erro
 	}
 
 	if hasSubMatcher {
-		if didReceive {
-			matcher.receivedValue = value
-			return subMatcher.Match(matcher.receivedValue.Interface())
+		if !didReceive {
+			return false, nil
 		}
-		return false, nil
+		matcher.receivedValue = value
+		if match, err := subMatcher.Match(matcher.receivedValue.Interface()); err != nil || !match {
+			return match, err
+		}
+		// if we received a match, then fall through in order to handle an
+		// optional assignment of the received value to the specified reference.
 	}
 
 	if didReceive {
-		if matcher.Arg != nil {
-			outValue := reflect.ValueOf(matcher.Arg)
+		if resultReference != nil {
+			outValue := reflect.ValueOf(resultReference)
 
 			if value.Type().AssignableTo(outValue.Elem().Type()) {
 				outValue.Elem().Set(value)
@@ -77,7 +105,7 @@ func (matcher *ReceiveMatcher) Match(actual interface{}) (success bool, err erro
 				outValue.Elem().Set(value.Elem())
 				return true, nil
 			} else {
-				return false, fmt.Errorf("Cannot assign a value from the channel:\n%s\nType:\n%s\nTo:\n%s", format.Object(actual, 1), format.Object(value.Interface(), 1), format.Object(matcher.Arg, 1))
+				return false, fmt.Errorf("Cannot assign a value from the channel:\n%s\nType:\n%s\nTo:\n%s", format.Object(actual, 1), format.Object(value.Interface(), 1), format.Object(resultReference, 1))
 			}
 
 		}
@@ -88,7 +116,11 @@ func (matcher *ReceiveMatcher) Match(actual interface{}) (success bool, err erro
 }
 
 func (matcher *ReceiveMatcher) FailureMessage(actual interface{}) (message string) {
-	subMatcher, hasSubMatcher := (matcher.Arg).(omegaMatcher)
+	var matcherArg interface{}
+	if len(matcher.Args) > 0 {
+		matcherArg = matcher.Args[len(matcher.Args)-1]
+	}
+	subMatcher, hasSubMatcher := (matcherArg).(omegaMatcher)
 
 	closedAddendum := ""
 	if matcher.channelClosed {
@@ -105,7 +137,11 @@ func (matcher *ReceiveMatcher) FailureMessage(actual interface{}) (message strin
 }
 
 func (matcher *ReceiveMatcher) NegatedFailureMessage(actual interface{}) (message string) {
-	subMatcher, hasSubMatcher := (matcher.Arg).(omegaMatcher)
+	var matcherArg interface{}
+	if len(matcher.Args) > 0 {
+		matcherArg = matcher.Args[len(matcher.Args)-1]
+	}
+	subMatcher, hasSubMatcher := (matcherArg).(omegaMatcher)
 
 	closedAddendum := ""
 	if matcher.channelClosed {