| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.activemq.transport.mqtt; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Mockito.times; |
| |
| import java.io.IOException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.command.Command; |
| import org.apache.activemq.command.ConnectionInfo; |
| import org.apache.activemq.command.ProducerInfo; |
| import org.apache.activemq.command.RemoveInfo; |
| import org.apache.activemq.command.Response; |
| import org.apache.activemq.transport.mqtt.strategy.MQTTSubscriptionStrategy; |
| import org.fusesource.mqtt.codec.CONNACK; |
| import org.fusesource.mqtt.codec.CONNECT; |
| import org.fusesource.mqtt.codec.MQTTFrame; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.mockito.ArgumentCaptor; |
| import org.mockito.Mockito; |
| |
| /** |
| * Tests for various usage scenarios of the protocol converter |
| */ |
| public class MQTTProtocolConverterTest { |
| |
| private MQTTTransport transport; |
| private BrokerService broker; |
| |
| @Before |
| public void setUp() throws Exception { |
| transport = Mockito.mock(MQTTTransport.class); |
| broker = Mockito.mock(BrokerService.class); |
| } |
| |
| @Test |
| public void testConnectWithInvalidProtocolVersionToLow() throws IOException { |
| doTestConnectWithInvalidProtocolVersion(2); |
| } |
| |
| @Test |
| public void testConnectWithInvalidProtocolVersionToHigh() throws IOException { |
| doTestConnectWithInvalidProtocolVersion(5); |
| } |
| |
| private void doTestConnectWithInvalidProtocolVersion(int version) throws IOException { |
| MQTTProtocolConverter converter = new MQTTProtocolConverter(transport, broker); |
| |
| CONNECT connect = Mockito.mock(CONNECT.class); |
| |
| Mockito.when(connect.version()).thenReturn(version); |
| |
| converter.onMQTTConnect(connect); |
| ArgumentCaptor<IOException> capturedException = ArgumentCaptor.forClass(IOException.class); |
| Mockito.verify(transport).onException(capturedException.capture()); |
| |
| assertTrue(capturedException.getValue().getMessage().contains("version")); |
| |
| ArgumentCaptor<MQTTFrame> capturedFrame = ArgumentCaptor.forClass(MQTTFrame.class); |
| Mockito.verify(transport).sendToMQTT(capturedFrame.capture()); |
| |
| MQTTFrame response = capturedFrame.getValue(); |
| assertEquals(CONNACK.TYPE, response.messageType()); |
| |
| CONNACK connAck = new CONNACK().decode(response); |
| assertEquals(CONNACK.Code.CONNECTION_REFUSED_UNACCEPTED_PROTOCOL_VERSION, connAck.code()); |
| } |
| |
| @Test |
| public void testConcurrentOnTransportError() throws Exception { |
| MQTTProtocolConverter converter = new MQTTProtocolConverter(transport, broker); |
| converter.setSubsciptionStrategy(Mockito.mock(MQTTSubscriptionStrategy.class)); |
| |
| CONNECT connect = Mockito.mock(CONNECT.class); |
| |
| Mockito.when(connect.version()).thenReturn(3); |
| Mockito.when(connect.cleanSession()).thenReturn(true); |
| |
| converter.onMQTTConnect(connect); |
| |
| ArgumentCaptor<ConnectionInfo> connectionInfoArgumentCaptor = ArgumentCaptor.forClass(ConnectionInfo.class); |
| Mockito.verify(transport).sendToActiveMQ(connectionInfoArgumentCaptor.capture()); |
| |
| ConnectionInfo connectInfo = connectionInfoArgumentCaptor.getValue(); |
| Response ok = new Response(); |
| ok.setCorrelationId(connectInfo.getCommandId()); |
| converter.onActiveMQCommand(ok); |
| |
| ArgumentCaptor<Command> producerInfoArgumentCaptor = ArgumentCaptor.forClass(Command.class); |
| Mockito.verify(transport, times(3)).sendToActiveMQ(producerInfoArgumentCaptor.capture()); |
| |
| ProducerInfo producerInfo = (ProducerInfo) producerInfoArgumentCaptor.getValue(); |
| ok = new Response(); |
| ok.setCorrelationId(producerInfo.getCommandId()); |
| converter.onActiveMQCommand(ok); |
| |
| ExecutorService executorService = Executors.newCachedThreadPool(); |
| for (int i=0; i<10; i++) { |
| executorService.submit(new Runnable() { |
| @Override |
| public void run() { |
| converter.onTransportError(); |
| } |
| }); |
| } |
| |
| executorService.shutdown(); |
| executorService.awaitTermination(10, TimeUnit.SECONDS); |
| |
| ArgumentCaptor<RemoveInfo> removeInfo = ArgumentCaptor.forClass(RemoveInfo.class); |
| Mockito.verify(transport, times(4)).sendToActiveMQ(removeInfo.capture()); |
| |
| } |
| } |