Upgrading server dependancies (#6984)

vendor/github.com/miekg/dns/client_test.go

@@ -1,6 +1,7 @@
 package dns
 
 import (
+	"context"
 	"crypto/tls"
 	"fmt"
 	"net"
@@ -249,6 +250,9 @@ func TestClientConn(t *testing.T) {
 		t.Errorf("failed to exchange: %v", err)
 	}
 	r, err := cn.ReadMsg()
+	if err != nil {
+		t.Errorf("failed to get a valid answer: %v", err)
+	}
 	if r == nil || r.Rcode != RcodeSuccess {
 		t.Errorf("failed to get an valid answer\n%v", r)
 	}
@@ -262,6 +266,9 @@ func TestClientConn(t *testing.T) {
 	if buf == nil {
 		t.Errorf("failed to get an valid answer\n%v", r)
 	}
+	if err != nil {
+		t.Errorf("failed to get a valid answer: %v", err)
+	}
 	if int(h.Bits&0xF) != RcodeSuccess {
 		t.Errorf("failed to get an valid answer in ReadMsgHeader\n%v", r)
 	}
@@ -423,7 +430,7 @@ func TestTimeout(t *testing.T) {
 
 	// Use a channel + timeout to ensure we don't get stuck if the
 	// Client Timeout is not working properly
-	done := make(chan struct{})
+	done := make(chan struct{}, 2)
 
 	timeout := time.Millisecond
 	allowable := timeout + (10 * time.Millisecond)
@@ -435,14 +442,28 @@ func TestTimeout(t *testing.T) {
 		c := &Client{Timeout: timeout}
 		_, _, err := c.Exchange(m, addrstr)
 		if err == nil {
-			t.Error("no timeout using Client")
+			t.Error("no timeout using Client.Exchange")
 		}
 		done <- struct{}{}
 	}()
 
-	select {
-	case <-done:
-	case <-time.After(abortAfter):
+	go func() {
+		ctx, cancel := context.WithTimeout(context.Background(), timeout)
+		defer cancel()
+		c := &Client{}
+		_, _, err := c.ExchangeContext(ctx, m, addrstr)
+		if err == nil {
+			t.Error("no timeout using Client.ExchangeContext")
+		}
+		done <- struct{}{}
+	}()
+
+	// Wait for both the Exchange and ExchangeContext tests to be done.
+	for i := 0; i < 2; i++ {
+		select {
+		case <-done:
+		case <-time.After(abortAfter):
+		}
 	}
 
 	length := time.Since(start)