RabbitMqConfigurationTest.java

@RunWith(MockitoJUnitRunner.class)
public class RabbitMqConfigurationTest {

    @InjectMocks
    private RabbitMqConfiguration queueConfiguration;

    @Test
    public void it_should_get_queue() {
        //Given && //When
        final Queue queue = queueConfiguration.queue();

        //Then
        assertThat(queue.isDurable()).isTrue();
        assertThat(queue.getName()).isEqualTo("queue");
        assertThat(queue.getArguments()).containsEntry(X_DEAD_LETTER_EXCHANGE, "");
        assertThat(queue.getArguments()).containsEntry(X_DEAD_LETTER_ROUTING_KEY, "queue.dead-letter");

    }

    @Test
    public void it_should_get_exchange() {
        //Given && //When
        final TopicExchange topicExchange = queueConfiguration.exchange();

        //Then
        assertThat(topicExchange.getName()).isEqualTo("queue");

    }

    @Test
    public void it_should_get_queue_dead_letter() {
        //Given && //When
        final Queue queue = queueConfiguration.deadLetter();

        //Then
        assertThat(queue.isDurable()).isTrue();
        assertThat(queue.getName()).isEqualTo("queue.dead-letter");
    }

    @Test
    public void it_should_get_binding() {
        //Given && //When
        final Binding binding = queueConfiguration.queueBinding();

        //Then
        assertThat(binding.getExchange()).isEqualTo("queue");
        assertThat(binding.getDestination()).isEqualTo("queue");
    }
}