Reduce size and time of UDP test

In the past, the UDP test in mass parallel proved to be the source of instability. This change try to improve pass rate.

testing/scenarios/dokodemo_test.go

@@ -171,7 +171,7 @@ func TestDokodemoUDP(t *testing.T) {
 	common.Must(err)
 	defer CloseServer(server)
 
-	clientPortRange := uint32(5)
+	clientPortRange := uint32(3)
 	retry := 1
 	clientPort := uint32(udp.PickPort())
 	for {

testing/scenarios/shadowsocks_2022_test.go

@@ -32,14 +32,22 @@ func TestShadowsocks2022Tcp(t *testing.T) {
 	}
 }
 
-func TestShadowsocks2022Udp(t *testing.T) {
-	for _, method := range shadowaead_2022.List {
-		password := make([]byte, 32)
-		rand.Read(password)
-		t.Run(method, func(t *testing.T) {
-			testShadowsocks2022Udp(t, method, base64.StdEncoding.EncodeToString(password))
-		})
-	}
+func TestShadowsocks2022UdpAES128(t *testing.T) {
+	password := make([]byte, 32)
+	rand.Read(password)
+	testShadowsocks2022Udp(t, shadowaead_2022.List[0], base64.StdEncoding.EncodeToString(password))
+}
+
+func TestShadowsocks2022UdpAES256(t *testing.T) {
+	password := make([]byte, 32)
+	rand.Read(password)
+	testShadowsocks2022Udp(t, shadowaead_2022.List[1], base64.StdEncoding.EncodeToString(password))
+}
+
+func TestShadowsocks2022UdpChacha(t *testing.T) {
+	password := make([]byte, 32)
+	rand.Read(password)
+	testShadowsocks2022Udp(t, shadowaead_2022.List[2], base64.StdEncoding.EncodeToString(password))
 }
 
 func testShadowsocks2022Tcp(t *testing.T, method string, password string) {
@@ -199,7 +207,7 @@ func testShadowsocks2022Udp(t *testing.T, method string, password string) {
 	defer CloseAllServers(servers)
 
 	var errGroup errgroup.Group
-	for i := 0; i < 10; i++ {
+	for i := 0; i < 2; i++ {
 		errGroup.Go(testUDPConn(udpClientPort, 1024, time.Second*5))
 	}
 

testing/scenarios/shadowsocks_test.go

@@ -289,7 +289,7 @@ func TestShadowsocksAES128GCMUDP(t *testing.T) {
 	defer CloseAllServers(servers)
 
 	var errGroup errgroup.Group
-	for i := 0; i < 10; i++ {
+	for i := 0; i < 2; i++ {
 		errGroup.Go(testUDPConn(clientPort, 1024, time.Second*5))
 	}
 	if err := errGroup.Wait(); err != nil {
@@ -391,7 +391,7 @@ func TestShadowsocksAES128GCMUDPMux(t *testing.T) {
 	defer CloseAllServers(servers)
 
 	var errGroup errgroup.Group
-	for i := 0; i < 10; i++ {
+	for i := 0; i < 2; i++ {
 		errGroup.Go(testUDPConn(clientPort, 1024, time.Second*5))
 	}
 	if err := errGroup.Wait(); err != nil {

testing/scenarios/vmess_test.go

@@ -475,7 +475,7 @@ func TestVMessGCMUDP(t *testing.T) {
 	defer CloseAllServers(servers)
 
 	var errg errgroup.Group
-	for i := 0; i < 10; i++ {
+	for i := 0; i < 2; i++ {
 		errg.Go(testUDPConn(clientPort, 1024, time.Second*5))
 	}
 	if err := errg.Wait(); err != nil {
@@ -1176,7 +1176,7 @@ func TestVMessGCMMuxUDP(t *testing.T) {
 
 	for range "ab" {
 		var errg errgroup.Group
-		for i := 0; i < 16; i++ {
+		for i := 0; i < 2; i++ {
 			errg.Go(testTCPConn(clientPort, 1024, time.Second*10))
 			errg.Go(testUDPConn(clientUDPPort, 1024, time.Second*10))
 		}