Example usage for com.rabbitmq.client Connection createChannel

Introduction

In this page you can find the example usage for com.rabbitmq.client Connection createChannel.

Prototype

Channel createChannel(int channelNumber) throws IOException;

Source Link

Document

Create a new channel, using the specified channel number if possible.

Usage

From source file:org.springframework.integration.amqp.inbound.AmqpMessageSourceTests.java

License:Apache License

@Test
public void testAck() throws Exception {
    Channel channel = mock(Channel.class);
    willReturn(true).given(channel).isOpen();
    Envelope envelope = new Envelope(123L, false, "ex", "rk");
    BasicProperties props = new BasicProperties.Builder().build();
    GetResponse getResponse = new GetResponse(envelope, props, "bar".getBytes(), 0);
    willReturn(getResponse).given(channel).basicGet("foo", false);
    Connection connection = mock(Connection.class);
    willReturn(true).given(connection).isOpen();
    willReturn(channel).given(connection).createChannel();
    ConnectionFactory connectionFactory = mock(ConnectionFactory.class);
    willReturn(connection).given(connectionFactory).newConnection((ExecutorService) isNull(), anyString());

    CachingConnectionFactory ccf = new CachingConnectionFactory(connectionFactory);
    AmqpMessageSource source = new AmqpMessageSource(ccf, "foo");
    source.setRawMessageHeader(true);// w w  w  .ja va 2s  .c om
    Message<?> received = source.receive();
    assertThat(received.getHeaders().get(AmqpMessageHeaderErrorMessageStrategy.AMQP_RAW_MESSAGE))
            .isInstanceOf(org.springframework.amqp.core.Message.class);
    assertThat(received.getHeaders().get(IntegrationMessageHeaderAccessor.SOURCE_DATA))
            .isSameAs(received.getHeaders().get(AmqpMessageHeaderErrorMessageStrategy.AMQP_RAW_MESSAGE));
    assertThat(received.getHeaders().get(AmqpHeaders.CONSUMER_QUEUE)).isEqualTo("foo");
    // make sure channel is not cached
    org.springframework.amqp.rabbit.connection.Connection conn = ccf.createConnection();
    Channel notCached = conn.createChannel(false); // should not have been "closed"
    verify(connection, times(2)).createChannel();
    StaticMessageHeaderAccessor.getAcknowledgmentCallback(received).acknowledge(Status.ACCEPT);
    verify(channel).basicAck(123L, false);
    Channel cached = conn.createChannel(false); // should have been "closed"
    verify(connection, times(2)).createChannel();
    notCached.close();
    cached.close();
    ccf.destroy();
    verify(channel, times(2)).close();
    verify(connection).close(30000);
}

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