DefaultOperationHttpChannelTest.java

/*
 * 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.client.channel;

import org.junit.Assert;
import org.junit.Test;
import org.kaaproject.kaa.client.AbstractKaaClient;
import org.kaaproject.kaa.client.channel.failover.FailoverManager;
import org.kaaproject.kaa.client.channel.impl.channels.DefaultOperationHttpChannel;
import org.kaaproject.kaa.client.persistence.KaaClientState;
import org.kaaproject.kaa.client.transport.AbstractHttpClient;
import org.kaaproject.kaa.common.TransportType;
import org.kaaproject.kaa.common.endpoint.security.KeyUtil;
import org.kaaproject.kaa.common.endpoint.security.MessageEncoderDecoder;
import org.mockito.Mockito;

import java.security.PrivateKey;
import java.security.PublicKey;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.concurrent.ExecutorService;

public class DefaultOperationHttpChannelTest {

  private static final Map<TransportType, ChannelDirection> SUPPORTED_TYPES = new HashMap<TransportType, ChannelDirection>();

  static {
    SUPPORTED_TYPES.put(TransportType.EVENT, ChannelDirection.UP);
    SUPPORTED_TYPES.put(TransportType.LOGGING, ChannelDirection.UP);
  }

  public ExecutorService fakeExecutor = new FakeExecutorService();

  @Test
  public void testChannelGetters() {
    AbstractKaaClient client = Mockito.mock(AbstractKaaClient.class);
    KaaClientState state = Mockito.mock(KaaClientState.class);
    FailoverManager failoverManager = Mockito.mock(FailoverManager.class);
    KaaDataChannel channel = new DefaultOperationHttpChannel(client, state, failoverManager);

    Assert.assertEquals(SUPPORTED_TYPES, channel.getSupportedTransportTypes());
    Assert.assertEquals(TransportProtocolIdConstants.HTTP_TRANSPORT_ID, channel.getTransportProtocolId());
    Assert.assertEquals("default_operations_http_channel", channel.getId());
  }

  @Test
  public void testChannelSync() throws Exception {
    KaaChannelManager manager = Mockito.mock(KaaChannelManager.class);
    AbstractHttpClient httpClient = Mockito.mock(AbstractHttpClient.class);
    FailoverManager failoverManager = Mockito.mock(FailoverManager.class);
    Mockito.when(httpClient.executeHttpRequest(Mockito.anyString(), Mockito.any(LinkedHashMap.class), Mockito.anyBoolean()))
        .thenReturn(new byte[]{5, 5, 5});

    MessageEncoderDecoder encDec = Mockito.mock(MessageEncoderDecoder.class);
    Mockito.when(httpClient.getEncoderDecoder()).thenReturn(encDec);

    AbstractKaaClient client = Mockito.mock(AbstractKaaClient.class);
    Mockito.when(
        client.createHttpClient(Mockito.anyString(), Mockito.any(PrivateKey.class), Mockito.any(PublicKey.class),
            Mockito.any(PublicKey.class))).thenReturn(httpClient);

    Mockito.when(client.getChannelManager()).thenReturn(manager);

    KaaClientState state = Mockito.mock(KaaClientState.class);
    KaaDataMultiplexer multiplexer = Mockito.mock(KaaDataMultiplexer.class);
    KaaDataDemultiplexer demultiplexer = Mockito.mock(KaaDataDemultiplexer.class);
    DefaultOperationHttpChannelFake channel = new DefaultOperationHttpChannelFake(client, state, failoverManager, 2);

    TransportConnectionInfo server = IpTransportInfoTest.createTestServerInfo(ServerType.OPERATIONS,
            TransportProtocolIdConstants.HTTP_TRANSPORT_ID, "localhost", 9889, KeyUtil.generateKeyPair().getPublic());

    channel.setServer(server);

    channel.sync(TransportType.EVENT);
    channel.setDemultiplexer(demultiplexer);
    channel.setDemultiplexer(null);
    channel.sync(TransportType.EVENT);
    channel.setMultiplexer(multiplexer);
    channel.setMultiplexer(null);
    channel.sync(TransportType.BOOTSTRAP);
    channel.sync(TransportType.EVENT);

    channel.verify();
  }

  @Test
  public void testShutdown() throws Exception {
    KaaChannelManager manager = Mockito.mock(KaaChannelManager.class);
    AbstractHttpClient httpClient = Mockito.mock(AbstractHttpClient.class);
    FailoverManager failoverManager = Mockito.mock(FailoverManager.class);
    Mockito.when(httpClient.executeHttpRequest(Mockito.anyString(), Mockito.any(LinkedHashMap.class), Mockito.anyBoolean())).thenThrow(
        new Exception());

    AbstractKaaClient client = Mockito.mock(AbstractKaaClient.class);
    Mockito.when(
        client.createHttpClient(Mockito.anyString(), Mockito.any(PrivateKey.class), Mockito.any(PublicKey.class),
            Mockito.any(PublicKey.class))).thenReturn(httpClient);

    Mockito.when(client.getChannelManager()).thenReturn(manager);

    KaaClientState state = Mockito.mock(KaaClientState.class);
    KaaDataMultiplexer multiplexer = Mockito.mock(KaaDataMultiplexer.class);
    KaaDataDemultiplexer demultiplexer = Mockito.mock(KaaDataDemultiplexer.class);
    DefaultOperationHttpChannelFake channel = new DefaultOperationHttpChannelFake(client, state, failoverManager, 0);
    channel.syncAll();
    channel.setDemultiplexer(demultiplexer);
    channel.setMultiplexer(multiplexer);
    channel.shutdown();

    TransportConnectionInfo server = IpTransportInfoTest.createTestServerInfo(ServerType.OPERATIONS,
            TransportProtocolIdConstants.HTTP_TRANSPORT_ID, "localhost", 9889, KeyUtil.generateKeyPair().getPublic());
    channel.setServer(server);

    channel.sync(TransportType.EVENT);
    channel.syncAll();

    channel.verify();
  }

  class DefaultOperationHttpChannelFake extends DefaultOperationHttpChannel {

    private final int wantedNumberOfInvocations;

    public DefaultOperationHttpChannelFake(AbstractKaaClient client, KaaClientState state,
                                           FailoverManager failoverManager, int wantedNumberOfInvocations) {
      super(client, state, failoverManager);
      this.wantedNumberOfInvocations = wantedNumberOfInvocations;
    }

    @Override
    protected ExecutorService createExecutor() {
      super.createExecutor();
      return fakeExecutor;
    }

    public void verify() throws Exception {
      Mockito.verify(getMultiplexer(), Mockito.times(wantedNumberOfInvocations)).compileRequest(Mockito.anyMap());
      Mockito.verify(getDemultiplexer(), Mockito.times(wantedNumberOfInvocations)).processResponse(Mockito.any(byte[].class));
    }
  }

}