feat(wip): test reworks

This commit is contained in:
Toby
2023-07-26 13:48:08 -07:00
parent 55fb903192
commit dd836b4496
22 changed files with 934 additions and 185 deletions

View File

@@ -1,10 +1,9 @@
package integration_tests
import (
"crypto/rand"
"io"
"net"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
@@ -15,17 +14,18 @@ import (
)
// TestClientServerTCPClose tests whether the client/server propagates the close of a connection correctly.
// In other words, closing one of the client/remote connections should cause the other to close as well.
// Closing one side of the connection should close the other side as well.
func TestClientServerTCPClose(t *testing.T) {
// Create server
udpAddr := &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 14514}
udpConn, err := net.ListenUDP("udp", udpAddr)
udpConn, udpAddr, err := serverConn()
assert.NoError(t, err)
serverOb := mocks.NewMockOutbound(t)
auth := mocks.NewMockAuthenticator(t)
auth.EXPECT().Authenticate(mock.Anything, mock.Anything, mock.Anything).Return(true, "nobody")
s, err := server.NewServer(&server.Config{
TLSConfig: serverTLSConfig(),
Conn: udpConn,
Outbound: serverOb,
Authenticator: auth,
})
assert.NoError(t, err)
@@ -40,123 +40,137 @@ func TestClientServerTCPClose(t *testing.T) {
assert.NoError(t, err)
defer c.Close()
t.Run("Close local", func(t *testing.T) {
// TCP sink server
sinkAddr := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 33344}
sinkListener, err := net.ListenTCP("tcp", sinkAddr)
assert.NoError(t, err)
sinkCh := make(chan sinkEvent, 1)
sinkServer := &tcpSinkServer{
Listener: sinkListener,
Ch: sinkCh,
}
defer sinkServer.Close()
go sinkServer.Serve()
addr := "hi-and-goodbye:2333"
// Generate some random data
sData := make([]byte, 1024000)
_, err = rand.Read(sData)
assert.NoError(t, err)
// Dial and send data to TCP sink server
conn, err := c.DialTCP(sinkAddr.String())
assert.NoError(t, err)
_, err = conn.Write(sData)
assert.NoError(t, err)
// Close the connection
// This should cause the sink server to send an event to the channel
_ = conn.Close()
event := <-sinkCh
assert.NoError(t, event.Err)
assert.Equal(t, sData, event.Data)
// Test close from client side:
// Client creates a connection, writes something, then closes it.
// Server outbound connection should write the same thing, then close.
sobConn := mocks.NewMockConn(t)
sobConnCh := make(chan struct{}) // For close signal only
sobConn.EXPECT().Read(mock.Anything).RunAndReturn(func(bs []byte) (int, error) {
<-sobConnCh
return 0, io.EOF
})
t.Run("Close remote", func(t *testing.T) {
// Generate some random data
sData := make([]byte, 1024000)
_, err = rand.Read(sData)
assert.NoError(t, err)
// TCP sender server
senderAddr := &net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 33345}
senderListener, err := net.ListenTCP("tcp", senderAddr)
assert.NoError(t, err)
senderServer := &tcpSenderServer{
Listener: senderListener,
Data: sData,
}
defer senderServer.Close()
go senderServer.Serve()
// Dial and read data from TCP sender server
conn, err := c.DialTCP(senderAddr.String())
assert.NoError(t, err)
defer conn.Close()
rData, err := io.ReadAll(conn)
assert.NoError(t, err)
assert.Equal(t, sData, rData)
sobConn.EXPECT().Write([]byte("happy")).Return(5, nil)
sobConn.EXPECT().Close().RunAndReturn(func() error {
close(sobConnCh)
return nil
})
serverOb.EXPECT().TCP(addr).Return(sobConn, nil).Once()
conn, err := c.TCP(addr)
assert.NoError(t, err)
_, err = conn.Write([]byte("happy"))
assert.NoError(t, err)
err = conn.Close()
assert.NoError(t, err)
time.Sleep(1 * time.Second)
mock.AssertExpectationsForObjects(t, sobConn, serverOb)
// Test close from server side:
// Client creates a connection.
// Server outbound connection reads something, then closes.
// Client connection should read the same thing, then close.
sobConn = mocks.NewMockConn(t)
sobConnCh2 := make(chan []byte, 1)
sobConn.EXPECT().Read(mock.Anything).RunAndReturn(func(bs []byte) (int, error) {
d := <-sobConnCh2
if d == nil {
return 0, io.EOF
} else {
return copy(bs, d), nil
}
})
sobConn.EXPECT().Close().Return(nil)
serverOb.EXPECT().TCP(addr).Return(sobConn, nil).Once()
conn, err = c.TCP(addr)
assert.NoError(t, err)
sobConnCh2 <- []byte("happy")
close(sobConnCh2)
bs, err := io.ReadAll(conn)
assert.NoError(t, err)
assert.Equal(t, "happy", string(bs))
_ = conn.Close()
}
// TestClientServerUDPClose is the same as TestClientServerTCPClose, but for UDP.
// Checking for UDP close is a bit tricky, so we will rely on the server event for now.
func TestClientServerUDPClose(t *testing.T) {
urCh := make(chan udpRequestEvent, 1)
ueCh := make(chan udpErrorEvent, 1)
// TestServerUDPIdleTimeout tests whether the server's UDP idle timeout works correctly.
func TestServerUDPIdleTimeout(t *testing.T) {
// Create server
udpAddr := &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 14514}
udpConn, err := net.ListenUDP("udp", udpAddr)
if err != nil {
t.Fatal("error creating server:", err)
}
udpConn, udpAddr, err := serverConn()
assert.NoError(t, err)
serverOb := mocks.NewMockOutbound(t)
auth := mocks.NewMockAuthenticator(t)
auth.EXPECT().Authenticate(mock.Anything, mock.Anything, mock.Anything).Return(true, "nobody")
eventLogger := mocks.NewMockEventLogger(t)
eventLogger.EXPECT().Connect(mock.Anything, "nobody", mock.Anything).Once()
eventLogger.EXPECT().Disconnect(mock.Anything, "nobody", mock.Anything).Maybe() // Depends on the timing, don't care
s, err := server.NewServer(&server.Config{
TLSConfig: serverTLSConfig(),
Conn: udpConn,
Authenticator: &pwAuthenticator{
Password: "password",
ID: "nobody",
},
EventLogger: &channelEventLogger{
UDPRequestEventCh: urCh,
UDPErrorEventCh: ueCh,
},
TLSConfig: serverTLSConfig(),
Conn: udpConn,
Outbound: serverOb,
UDPIdleTimeout: 2 * time.Second,
Authenticator: auth,
EventLogger: eventLogger,
})
if err != nil {
t.Fatal("error creating server:", err)
}
assert.NoError(t, err)
defer s.Close()
go s.Serve()
// Create client
c, err := client.NewClient(&client.Config{
ServerAddr: udpAddr,
Auth: "password",
TLSConfig: client.TLSConfig{InsecureSkipVerify: true},
})
if err != nil {
t.Fatal("error creating client:", err)
}
assert.NoError(t, err)
defer c.Close()
// Listen UDP and close it, then check the server events
conn, err := c.ListenUDP()
if err != nil {
t.Fatal("error listening UDP:", err)
}
_ = conn.Close()
addr := "spy.x.family:2023"
reqEvent := <-urCh
if reqEvent.ID != "nobody" {
t.Fatal("incorrect ID in request event")
// On the client side, create a UDP session and send a packet every 1 second,
// 4 packets in total. The server should have one UDP session and receive all
// 4 packets. Then the UDP connection on the server side will receive a packet
// every 1 second, 4 packets in total. The client session should receive all
// 4 packets. Then the session will be idle for 3 seconds - should be enough
// to trigger the server's UDP idle timeout.
sobConn := mocks.NewMockUDPConn(t)
sobConnCh := make(chan []byte, 1)
sobConn.EXPECT().ReadFrom(mock.Anything).RunAndReturn(func(bs []byte) (int, string, error) {
d := <-sobConnCh
if d == nil {
return 0, "", io.EOF
} else {
return copy(bs, d), addr, nil
}
})
sobConn.EXPECT().WriteTo([]byte("happy"), addr).Return(5, nil).Times(4)
serverOb.EXPECT().UDP(addr).Return(sobConn, nil).Once()
eventLogger.EXPECT().UDPRequest(mock.Anything, mock.Anything, uint32(1), addr).Once()
cu, err := c.UDP()
assert.NoError(t, err)
// Client sends 4 packets
for i := 0; i < 4; i++ {
err = cu.Send([]byte("happy"), addr)
assert.NoError(t, err)
time.Sleep(1 * time.Second)
}
errEvent := <-ueCh
if errEvent.ID != "nobody" {
t.Fatal("incorrect ID in error event")
}
if errEvent.Err != nil {
t.Fatal("non-nil error received from server:", errEvent.Err)
// Client receives 4 packets
go func() {
for i := 0; i < 4; i++ {
sobConnCh <- []byte("sad")
time.Sleep(1 * time.Second)
}
}()
for i := 0; i < 4; i++ {
bs, rAddr, err := cu.Receive()
assert.NoError(t, err)
assert.Equal(t, "sad", string(bs))
assert.Equal(t, addr, rAddr)
}
// Now we wait for 3 seconds, the server should close the UDP session.
sobConn.EXPECT().Close().RunAndReturn(func() error {
close(sobConnCh)
return nil
})
eventLogger.EXPECT().UDPError(mock.Anything, mock.Anything, uint32(1), nil).Once()
time.Sleep(3 * time.Second)
mock.AssertExpectationsForObjects(t, sobConn, serverOb, eventLogger)
}