org.neo4j.bolt.v1.transport.BoltProtocolV1Test.java Source code

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Here is the source code for org.neo4j.bolt.v1.transport.BoltProtocolV1Test.java

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/*
 * Copyright (c) 2002-2016 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.bolt.v1.transport;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import org.junit.Test;

import java.io.IOException;

import org.neo4j.bolt.v1.runtime.Session;
import org.neo4j.kernel.impl.logging.NullLogService;

import static org.mockito.Matchers.any;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Mockito.RETURNS_MOCKS;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;

public class BoltProtocolV1Test {
    @Test
    public void shouldNotTalkToChannelDirectlyOnFatalError() throws Throwable {
        // Given
        Channel outputChannel = mock(Channel.class);
        ByteBufAllocator allocator = mock(ByteBufAllocator.class, RETURNS_MOCKS);
        when(outputChannel.alloc()).thenReturn(allocator);

        Session session = mock(Session.class);
        BoltProtocolV1 protocol = new BoltProtocolV1(session, outputChannel, NullLogService.getInstance());
        verify(outputChannel).alloc();

        // And given inbound data that'll explode when the protocol tries to interpret it
        ByteBuf bomb = mock(ByteBuf.class);
        doThrow(IOException.class).when(bomb).readableBytes();

        // When
        protocol.handle(mock(ChannelHandlerContext.class), bomb);

        // Then the protocol should not mess with the channel (because it runs on the IO thread, and only the worker thread should produce writes)
        verifyNoMoreInteractions(outputChannel);

        // But instead signal to the session that shit hit the fan.
        verify(session).externalError(any(), any(), any());
        verify(session).close();
    }

    @Test
    public void closesInputAndOutput() {
        Channel outputChannel = mock(Channel.class);
        ByteBufAllocator allocator = mock(ByteBufAllocator.class);
        ByteBuf buffer = mock(ByteBuf.class);
        when(outputChannel.alloc()).thenReturn(allocator);
        when(allocator.buffer(anyInt(), anyInt())).thenReturn(buffer);

        Session session = mock(Session.class);

        BoltProtocolV1 protocol = new BoltProtocolV1(session, outputChannel, NullLogService.getInstance());
        protocol.close();

        verify(session).close();
        verify(buffer).release();
    }
}