jj.http.server.websocket.WebSocketFrameHandlerTest.java Source code

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Here is the source code for jj.http.server.websocket.WebSocketFrameHandlerTest.java

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/*
 *    Copyright 2012 Jason Miller
 *
 * 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 jj.http.server.websocket;

import static org.hamcrest.Matchers.is;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
import jj.engine.HostEvent;
import jj.http.server.websocket.WebSocketConnection;
import jj.http.server.websocket.WebSocketConnectionHost;
import jj.http.server.websocket.WebSocketConnectionTracker;
import jj.http.server.websocket.WebSocketFrameHandler;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame;
import io.netty.handler.codec.http.websocketx.CloseWebSocketFrame;
import io.netty.handler.codec.http.websocketx.PingWebSocketFrame;
import io.netty.handler.codec.http.websocketx.PongWebSocketFrame;
import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
import io.netty.handler.codec.http.websocketx.WebSocketServerHandshaker;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Answers;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

/**
 * @author jason
 *
 */
@RunWith(MockitoJUnitRunner.class)
public class WebSocketFrameHandlerTest {

    @Mock
    WebSocketServerHandshaker handshaker;
    @Mock
    WebSocketConnection connection;
    @Mock
    WebSocketConnectionHost webSocketConnectionHost;
    @Mock
    WebSocketConnectionTracker connectionTracker;
    @Mock
    ConnectionEventExecutor executor;
    @InjectMocks
    WebSocketFrameHandler wsfh;

    // don't mock things you don't own!
    // unless, as in this case, the things you don't
    // own won't work without talking to an actual resource
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    ChannelHandlerContext ctx;

    @Captor
    ArgumentCaptor<ChannelFutureListener> futureListenerCaptor;
    ChannelFuture future;

    ByteBuf byteBuf;
    @Captor
    ArgumentCaptor<TextWebSocketFrame> textFrameCaptor;
    @Captor
    ArgumentCaptor<PongWebSocketFrame> pongFrameCaptor;

    @Before
    public void before() {
        byteBuf = Unpooled.buffer(0);

        given(connection.webSocketConnectionHost()).willReturn(webSocketConnectionHost);
    }

    @Test
    public void testHandlerAdded() throws Exception {

        wsfh.handlerAdded(ctx);

        verify(connectionTracker).addConnection(connection);
        verify(webSocketConnectionHost).connected(connection);
        verify(executor).submit(connection, HostEvent.clientConnected.toString(), connection);
        verify(ctx.channel().closeFuture()).addListener(futureListenerCaptor.capture());

        ChannelFutureListener listener = futureListenerCaptor.getValue();

        listener.operationComplete(future);

        verify(connectionTracker).removeConnection(connection);
        verify(webSocketConnectionHost).disconnected(connection);
        verify(executor).submit(connection, HostEvent.clientDisconnected.toString(), connection);
        ;
    }

    @Test
    public void testTextFrame() throws Exception {

        String text = "text";
        TextWebSocketFrame textFrame = new TextWebSocketFrame(text);

        wsfh.channelRead0(ctx, textFrame);

        verify(connection).markActivity();
        verify(webSocketConnectionHost).message(connection, text);
    }

    @Test
    public void testHeartbeatTextFrame() throws Exception {

        TextWebSocketFrame textFrame = new TextWebSocketFrame("jj-hi");

        wsfh.channelRead0(ctx, textFrame);

        verify(connection).markActivity();
        verifyZeroInteractions(executor);
        verify(ctx).writeAndFlush(textFrameCaptor.capture());
        assertThat(textFrameCaptor.getValue().text(), is("jj-yo"));
    }

    @Test
    public void testPingFrame() throws Exception {

        PingWebSocketFrame pingFrame = new PingWebSocketFrame(byteBuf);

        wsfh.channelRead0(ctx, pingFrame);

        verify(connection).markActivity();
        verify(ctx).writeAndFlush(pongFrameCaptor.capture());
        PongWebSocketFrame pongFrame2 = pongFrameCaptor.getValue().retain();
        assertThat(pongFrame2.content(), is(byteBuf));
    }

    @Test
    public void testPongFrame() throws Exception {

        PongWebSocketFrame pongFrame = new PongWebSocketFrame(byteBuf);

        wsfh.channelRead0(ctx, pongFrame);

        verify(connection).markActivity();
        //verify(handler).ponged(connection, byteBuf);
    }

    @Test
    public void testBinaryFrame() throws Exception {

        BinaryWebSocketFrame binaryFrame = new BinaryWebSocketFrame(byteBuf);

        wsfh.channelRead0(ctx, binaryFrame);

        verify(connection).markActivity();
        //verify(handler).messageReceived(connection, byteBuf);
    }

    @Test
    public void testCloseFrame() throws Exception {

        CloseWebSocketFrame closeFrame = new CloseWebSocketFrame(1000, "");

        wsfh.channelRead0(ctx, closeFrame);

        verify(handshaker).close(ctx.channel(), closeFrame);
    }

}