func TestConnClosedOnConnectFailure(t *testing.T) {
s := natsd.RunDefaultServer()
defer s.Shutdown()
// Non-Existent or Unreachable
connectTime := 25 * time.Millisecond
if _, err := Connect("someNonExistentServerID", "myTestClient", ConnectWait(connectTime)); err != ErrConnectReqTimeout {
t.Fatalf("Expected Unreachable err, got %v\n", err)
}
// Check that the underlying NATS connection has been closed.
// We will first stop the server. If we have left the NATS connection
// opened, it should be trying to reconnect.
s.Shutdown()
// Wait a bit
time.Sleep(500 * time.Millisecond)
// Inspecting go routines in search for a doReconnect
buf := make([]byte, 10000)
n := runtime.Stack(buf, true)
if strings.Contains(string(buf[:n]), "doReconnect") {
t.Fatal("NATS Connection suspected to not have been closed")
}
}
func TestUnreachable(t *testing.T) {
s := natsd.RunDefaultServer()
defer s.Shutdown()
// Non-Existent or Unreachable
connectTime := 25 * time.Millisecond
start := time.Now()
if _, err := Connect("someNonExistentServerID", "myTestClient", ConnectWait(connectTime)); err != ErrConnectReqTimeout {
t.Fatalf("Expected Unreachable err, got %v\n", err)
}
if delta := time.Since(start); delta < connectTime {
t.Fatalf("Expected to wait at least %v, but only waited %v\n", connectTime, delta)
}
}
// Create a local messaging broker, usually for testing purpose
func RunDefaultServer() *server.Server {
test.DefaultTestOptions.Port = 22222
return test.RunDefaultServer()
}