protocol/netconf-client/src/test/java/org/opendaylight/netconf/client/NC1252Test.java

   1 /*
   2  * Copyright (c) 2024 PANTHEON.tech, s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.netconf.client;
   9
  10 import static org.assertj.core.api.Assertions.assertThat;
  11 import static org.junit.jupiter.api.Assertions.assertInstanceOf;
  12 import static org.junit.jupiter.api.Assertions.assertThrows;
  13
  14 import java.net.ConnectException;
  15 import java.net.InetAddress;
  16 import java.net.ServerSocket;
  17 import java.util.concurrent.ExecutionException;
  18 import java.util.concurrent.TimeUnit;
  19 import org.junit.jupiter.api.AfterAll;
  20 import org.junit.jupiter.api.BeforeAll;
  21 import org.junit.jupiter.api.Test;
  22 import org.junit.jupiter.api.extension.ExtendWith;
  23 import org.mockito.Mock;
  24 import org.mockito.junit.jupiter.MockitoExtension;
  25 import org.opendaylight.netconf.client.conf.NetconfClientConfiguration;
  26 import org.opendaylight.netconf.client.conf.NetconfClientConfigurationBuilder;
  27 import org.opendaylight.netconf.common.impl.DefaultNetconfTimer;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Host;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IetfInetUtil;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.client.rev240208.netconf.client.initiate.stack.grouping.transport.tls.tls.TcpClientParametersBuilder;
  32 import org.opendaylight.yangtools.yang.common.Uint16;
  33
  34 @ExtendWith(MockitoExtension.class)
  35 class NC1252Test {
  36     private static DefaultNetconfTimer TIMER;
  37     private static NetconfClientFactoryImpl FACTORY;
  38
  39     @Mock
  40     private NetconfClientSessionListener sessionListener;
  41
  42     @BeforeAll
  43     static void beforeAll() {
  44         TIMER = new DefaultNetconfTimer();
  45         FACTORY = new NetconfClientFactoryImpl(TIMER);
  46     }
  47
  48     @AfterAll
  49     static void afterAll() {
  50         FACTORY.close();
  51         TIMER.close();
  52     }
  53
  54     @Test
  55     void tcpClientNoServer() throws Exception {
  56         // Find a free local port
  57         final int localPort;
  58         try (var socket = new ServerSocket(0)) {
  59             localPort = socket.getLocalPort();
  60         }
  61
  62         final var clientConfig = NetconfClientConfigurationBuilder.create()
  63             .withProtocol(NetconfClientConfiguration.NetconfClientProtocol.TCP)
  64             .withTcpParameters(new TcpClientParametersBuilder()
  65                 .setRemoteAddress(new Host(IetfInetUtil.ipAddressFor(InetAddress.getLoopbackAddress())))
  66                 .setRemotePort(new PortNumber(Uint16.valueOf(localPort)))
  67                 .build())
  68             .withSessionListener(sessionListener)
  69             .build();
  70         final var future = FACTORY.createClient(clientConfig);
  71
  72         final var ex = assertThrows(ExecutionException.class, () -> future.get(1, TimeUnit.SECONDS)).getCause();
  73         assertInstanceOf(ConnectException.class, ex);
  74         assertThat(ex.getMessage()).startsWith("Connection refused: ");
  75     }
  76 }