/*
* Copyright 2014-2016 CyberVision, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.kaaproject.kaa.server.transports.tcp.transport.netty;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelHandlerContext;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.kaaproject.kaa.common.channels.protocols.kaatcp.messages.Disconnect;
import org.kaaproject.kaa.common.channels.protocols.kaatcp.messages.Disconnect.DisconnectReason;
import org.kaaproject.kaa.server.common.server.BadRequestException;
import org.mockito.ArgumentCaptor;
import java.util.Arrays;
public class KaaTcpExceptionHandlerTest {
private KaaTcpExceptionHandler kaaTcpExceptionHandler = new KaaTcpExceptionHandler();
private ChannelHandlerContext ctx = mock(ChannelHandlerContext.class);
@Before
public void before() {
ChannelFuture future = mock(ChannelFuture.class);
when(ctx.writeAndFlush(any(Object.class))).thenReturn(future);
}
@Test
public void badRequestExceptionTest() throws Exception {
kaaTcpExceptionHandler.exceptionCaught(ctx, new BadRequestException("Bad request"));
verify(ctx).writeAndFlush(any(Object.class));
ArgumentCaptor<byte[]> argumentCaptor = ArgumentCaptor.forClass(byte[].class);
verify(ctx).writeAndFlush(argumentCaptor.capture());
Assert.assertTrue(Arrays.equals(argumentCaptor.getValue(), getMessageByteArrayForReason(DisconnectReason.BAD_REQUEST)));
verify(ctx).close();
}
@Test
public void internalErrorExceptionTest() throws Exception {
kaaTcpExceptionHandler.exceptionCaught(ctx, new Exception("Internal error occurred"));
verify(ctx).writeAndFlush(any(Object.class));
ArgumentCaptor<byte[]> argumentCaptor = ArgumentCaptor.forClass(byte[].class);
verify(ctx).writeAndFlush(argumentCaptor.capture());
Assert.assertTrue(Arrays.equals(argumentCaptor.getValue(), getMessageByteArrayForReason(DisconnectReason.INTERNAL_ERROR)));
verify(ctx).close();
}
private byte[] getMessageByteArrayForReason(DisconnectReason reason) {
return new Disconnect(reason).getFrame().array();
}
}