netconf/callhome-protocol/src/test/java/org/opendaylight/netconf/callhome/protocol/MinaSshNettyChannelTest.java

   1 /*
   2  * Copyright (c) 2016 Brocade Communication Systems 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
   9 package org.opendaylight.netconf.callhome.protocol;
  10
  11 import static org.junit.Assert.assertTrue;
  12 import static org.mockito.Matchers.any;
  13 import static org.mockito.Mockito.mock;
  14 import static org.mockito.Mockito.times;
  15 import static org.mockito.Mockito.verify;
  16
  17 import io.netty.buffer.ByteBuf;
  18 import io.netty.buffer.ByteBufAllocator;
  19 import io.netty.buffer.EmptyByteBuf;
  20 import io.netty.channel.ChannelHandler;
  21 import io.netty.channel.ChannelHandlerContext;
  22 import io.netty.channel.ChannelOutboundHandlerAdapter;
  23 import io.netty.channel.ChannelPromise;
  24 import org.apache.sshd.ClientChannel;
  25 import org.apache.sshd.ClientSession;
  26 import org.apache.sshd.common.future.SshFutureListener;
  27 import org.apache.sshd.common.io.IoInputStream;
  28 import org.apache.sshd.common.io.IoOutputStream;
  29 import org.apache.sshd.common.io.IoReadFuture;
  30 import org.apache.sshd.common.io.IoWriteFuture;
  31 import org.apache.sshd.common.util.Buffer;
  32 import org.junit.Before;
  33 import org.junit.Ignore;
  34 import org.junit.Test;
  35 import org.mockito.Mockito;
  36
  37
  38 public class MinaSshNettyChannelTest {
  39     CallHomeSessionContext mockContext;
  40     ClientSession mockSession;
  41     ClientChannel mockChannel;
  42     MinaSshNettyChannel instance;
  43
  44     @Before
  45     public void setup() {
  46         IoReadFuture mockFuture = mock(IoReadFuture.class);
  47         IoInputStream mockIn = mock(IoInputStream.class);
  48         Mockito.doReturn(mockFuture).when(mockIn).read(any(Buffer.class));
  49         IoOutputStream mockOut = mock(IoOutputStream.class);
  50         mockContext = mock(CallHomeSessionContext.class);
  51         mockSession = mock(ClientSession.class);
  52         mockChannel = mock(ClientChannel.class);
  53         Mockito.doReturn(mockIn).when(mockChannel).getAsyncOut();
  54         Mockito.doReturn(mockOut).when(mockChannel).getAsyncIn();
  55
  56         IoWriteFuture mockWrFuture = mock(IoWriteFuture.class);
  57         Mockito.doReturn(false).when(mockOut).isClosed();
  58         Mockito.doReturn(false).when(mockOut).isClosing();
  59         Mockito.doReturn(mockWrFuture).when(mockOut).write(any(Buffer.class));
  60         Mockito.doReturn(null).when(mockWrFuture).addListener(any());
  61
  62         Mockito.doReturn(mockFuture).when(mockFuture).addListener(Mockito.any());
  63
  64         instance = new MinaSshNettyChannel(mockContext, mockSession, mockChannel);
  65     }
  66
  67     @Test
  68     public void ourChannelHandlerShouldBeFirstInThePipeline() {
  69         // given
  70         ChannelHandler firstHandler = instance.pipeline().first();
  71         String firstName = firstHandler.getClass().getName();
  72         // expect
  73         assertTrue(firstName.contains("callhome"));
  74     }
  75
  76     @Test
  77     public void ourChannelHandlerShouldForwardWrites() throws Exception {
  78         ChannelHandler mockHandler = mock(ChannelHandler.class);
  79         ChannelHandlerContext ctx = mock(ChannelHandlerContext.class);
  80         Mockito.doReturn(mockHandler).when(ctx).handler();
  81         ChannelPromise promise = mock(ChannelPromise.class);
  82
  83         ByteBufAllocator mockAlloc = mock(ByteBufAllocator.class);
  84         ByteBuf bytes = new EmptyByteBuf(mockAlloc);
  85
  86         // we would really like to just verify that the async handler write() was
  87         // called but it is a final class, so no mocking. instead we set up the
  88         // mock channel to have no async input, which will cause a failure later
  89         // on the write promise that we use as a cheap way to tell that write()
  90         // got called. ick.
  91
  92         Mockito.doReturn(null).when(mockChannel).getAsyncIn();
  93         Mockito.doReturn(null).when(promise).setFailure(any(Throwable.class));
  94
  95         // Need to reconstruct instance to pick up null async in above
  96         instance = new MinaSshNettyChannel(mockContext, mockSession, mockChannel);
  97
  98         // when
  99         ChannelOutboundHandlerAdapter outadapter = (ChannelOutboundHandlerAdapter) instance.pipeline().first();
 100         outadapter.write(ctx, bytes, promise);
 101
 102         // then
 103         verify(promise, times(1)).setFailure(any(Throwable.class));
 104     }
 105 }