NotificationMessagingTemplateIntegrationTest.java

/*
 * Copyright 2013-2014 the original author or authors.
 *
 * 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.springframework.cloud.aws.messaging;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.aws.core.support.documentation.RuntimeUse;
import org.springframework.cloud.aws.messaging.config.annotation.NotificationMessage;
import org.springframework.cloud.aws.messaging.config.annotation.NotificationSubject;
import org.springframework.cloud.aws.messaging.core.NotificationMessagingTemplate;
import org.springframework.cloud.aws.messaging.listener.annotation.SqsListener;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

/**
 * @author Alain Sahli
 */
@RunWith(SpringJUnit4ClassRunner.class)
public abstract class NotificationMessagingTemplateIntegrationTest extends AbstractContainerTest {

    @Autowired
    private NotificationMessagingTemplate notificationMessagingTemplate;

    @Autowired
    private NotificationReceiver notificationReceiver;

    @Before
    public void resetMocks() throws Exception {
        this.notificationReceiver.reset();
    }

    @Test
    public void send_validTextMessage_shouldBeDelivered() throws Exception {
        // Arrange
        CountDownLatch countDownLatch = new CountDownLatch(1);
        this.notificationReceiver.setCountDownLatch(countDownLatch);
        String subject = "A subject";

        // Act
        this.notificationMessagingTemplate.sendNotification("SqsReceivingSnsTopic", new TestPerson("Agim", "Emruli"), subject);

        // Assert
        assertTrue(countDownLatch.await(10, TimeUnit.SECONDS));
        assertEquals("Agim", this.notificationReceiver.getMessage().getFirstName());
        assertEquals("Emruli", this.notificationReceiver.getMessage().getLastName());
        assertEquals(subject, this.notificationReceiver.getSubject());
    }

    @Test
    public void send_validTextMessageWithoutDestination_shouldBeDeliveredToDefaultDestination() throws Exception {
        // Arrange
        CountDownLatch countDownLatch = new CountDownLatch(1);
        this.notificationReceiver.setCountDownLatch(countDownLatch);
        String subject = "Hello default destination";

        // Act
        this.notificationMessagingTemplate.sendNotification(new TestPerson("Agim", "Emruli"), subject);

        // Assert
        assertTrue(countDownLatch.await(10, TimeUnit.SECONDS));
        assertEquals("Agim", this.notificationReceiver.getMessage().getFirstName());
        assertEquals("Emruli", this.notificationReceiver.getMessage().getLastName());
        assertEquals(subject, this.notificationReceiver.getSubject());
    }

    @RuntimeUse
    protected static class NotificationReceiver {

        private CountDownLatch countDownLatch;
        private TestPerson message;
        private String subject;

        private void setCountDownLatch(CountDownLatch countDownLatch) {
            this.countDownLatch = countDownLatch;
        }

        private TestPerson getMessage() {
            return this.message;
        }

        private String getSubject() {
            return this.subject;
        }

        private void reset() {
            this.message = null;
            this.subject = null;
        }

        @RuntimeUse
        @SqsListener("NotificationQueue")
        private void messageListener(@NotificationSubject String subject, @NotificationMessage TestPerson message) {
            this.subject = subject;
            this.message = message;
            this.countDownLatch.countDown();
        }

    }


    public static class TestPerson {

        private String firstName;
        private String lastName;

        public TestPerson() {
        }

        public TestPerson(String firstName, String lastName) {
            this.firstName = firstName;
            this.lastName = lastName;
        }

        public String getFirstName() {
            return this.firstName;
        }

        public String getLastName() {
            return this.lastName;
        }

        public void setFirstName(String firstName) {
            this.firstName = firstName;
        }

        public void setLastName(String lastName) {
            this.lastName = lastName;
        }
    }

}