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package gocql
import (
"context"
"net"
"strconv"
"sync"
"testing"
"time"
)
type OneConnTestServer struct {
Err error
Addr net.IP
Port int
listener net.Listener
acceptChan chan struct{}
mu sync.Mutex
closed bool
}
func NewOneConnTestServer() (*OneConnTestServer, error) {
lstn, err := net.Listen("tcp4", "localhost:0")
if err != nil {
return nil, err
}
addr, port := parseAddressPort(lstn.Addr().String())
return &OneConnTestServer{
listener: lstn,
acceptChan: make(chan struct{}),
Addr: addr,
Port: port,
}, nil
}
func (c *OneConnTestServer) Accepted() chan struct{} {
return c.acceptChan
}
func (c *OneConnTestServer) Close() {
c.lockedClose()
}
func (c *OneConnTestServer) Serve() {
conn, err := c.listener.Accept()
c.Err = err
if conn != nil {
conn.Close()
}
c.lockedClose()
}
func (c *OneConnTestServer) lockedClose() {
c.mu.Lock()
defer c.mu.Unlock()
if !c.closed {
close(c.acceptChan)
c.listener.Close()
c.closed = true
}
}
func parseAddressPort(hostPort string) (net.IP, int) {
host, portStr, err := net.SplitHostPort(hostPort)
if err != nil {
return net.ParseIP(""), 0
}
port, _ := strconv.Atoi(portStr)
return net.ParseIP(host), port
}
func testConnErrorHandler(t *testing.T) ConnErrorHandler {
return connErrorHandlerFn(func(conn *Conn, err error, closed bool) {
t.Errorf("in connection handler: %v", err)
})
}
func assertConnectionEventually(t *testing.T, wait time.Duration, srvr *OneConnTestServer) {
ctx, cancel := context.WithTimeout(context.Background(), wait)
defer cancel()
select {
case <-ctx.Done():
if ctx.Err() != nil {
t.Errorf("waiting for connection: %v", ctx.Err())
}
case <-srvr.Accepted():
if srvr.Err != nil {
t.Errorf("accepting connection: %v", srvr.Err)
}
}
}
func TestSession_connect_WithNoTranslator(t *testing.T) {
srvr, err := NewOneConnTestServer()
assertNil(t, "error when creating tcp server", err)
defer srvr.Close()
session := createTestSession()
defer session.Close()
go srvr.Serve()
Connect(&HostInfo{
connectAddress: srvr.Addr,
port: srvr.Port,
}, session.connCfg, testConnErrorHandler(t), session)
assertConnectionEventually(t, 500*time.Millisecond, srvr)
}
func TestSession_connect_WithTranslator(t *testing.T) {
srvr, err := NewOneConnTestServer()
assertNil(t, "error when creating tcp server", err)
defer srvr.Close()
session := createTestSession()
defer session.Close()
session.cfg.AddressTranslator = staticAddressTranslator(srvr.Addr, srvr.Port)
go srvr.Serve()
// the provided address will be translated
Connect(&HostInfo{
connectAddress: net.ParseIP("10.10.10.10"),
port: 5432,
}, session.connCfg, testConnErrorHandler(t), session)
assertConnectionEventually(t, 500*time.Millisecond, srvr)
}
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