Merge pull request #75 from bsinno/BASEAMQP_SERVICE_TEST

Looks good, more tests are always welcome 😄

hawkbit-dmf-amqp/src/main/java/org/eclipse/hawkbit/amqp/BaseAmqpService.java

@@ -58,8 +58,8 @@ public class BaseAmqpService {
      * @return the converted object
      */
     @SuppressWarnings("unchecked")
-    protected <T> T convertMessage(final Message message, final Class<T> clazz) {
-        if (message == null) {
+    public <T> T convertMessage(final Message message, final Class<T> clazz) {
+        if (message == null || message.getBody() == null) {
             return null;
         }
         message.getMessageProperties().getHeaders().put(AbstractJavaTypeMapper.DEFAULT_CLASSID_FIELD_NAME,
@@ -78,8 +78,8 @@ public class BaseAmqpService {
      * @return the list of converted objects
      */
     @SuppressWarnings("unchecked")
-    protected <T> List<T> convertMessageList(final Message message, final Class<T> clazz) {
-        if (message == null) {
+    public <T> List<T> convertMessageList(final Message message, final Class<T> clazz) {
+        if (message == null || message.getBody() == null) {
             return Collections.emptyList();
         }
         message.getMessageProperties().getHeaders().put(AbstractJavaTypeMapper.DEFAULT_CLASSID_FIELD_NAME,

hawkbit-dmf-amqp/src/test/java/org/eclipse/hawkbit/amqp/AmqpMessageHandlerServiceTest.java

@@ -116,6 +116,7 @@ public class AmqpMessageHandlerServiceTest {
 
     }
 
+    @Test
     @Description("Tests not allowed content-type in message")
     public void testWrongContentType() {
         final MessageProperties messageProperties = new MessageProperties();

hawkbit-dmf-amqp/src/test/java/org/eclipse/hawkbit/amqp/BaseAmqpServiceTest.java

@@ -0,0 +1,103 @@
+/**
+ * Copyright (c) 2015 Bosch Software Innovations GmbH and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.eclipse.hawkbit.amqp;
+
+import static org.fest.assertions.api.Assertions.assertThat;
+import static org.mockito.Mockito.when;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.hawkbit.dmf.json.model.ActionUpdateStatus;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.springframework.amqp.core.Message;
+import org.springframework.amqp.core.MessageProperties;
+import org.springframework.amqp.rabbit.core.RabbitTemplate;
+import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
+
+import ru.yandex.qatools.allure.annotations.Description;
+import ru.yandex.qatools.allure.annotations.Features;
+import ru.yandex.qatools.allure.annotations.Stories;
+
+@RunWith(MockitoJUnitRunner.class)
+@Features("Component Tests - Device Management Federation API")
+@Stories("Base Amqp Service Test")
+public class BaseAmqpServiceTest {
+
+    @Mock
+    private RabbitTemplate rabbitTemplate;
+
+    private BaseAmqpService baseAmqpService;
+
+    @Before
+    public void setup() {
+        when(rabbitTemplate.getMessageConverter()).thenReturn(new Jackson2JsonMessageConverter());
+        baseAmqpService = new BaseAmqpService(rabbitTemplate);
+
+    }
+
+    @Test
+    @Description("Verify that the message conversion works")
+    public void convertMessageTest() {
+        final ActionUpdateStatus actionUpdateStatus = new ActionUpdateStatus();
+        actionUpdateStatus.setActionId(1L);
+        actionUpdateStatus.setSoftwareModuleId(2L);
+
+        final Message message = rabbitTemplate.getMessageConverter().toMessage(actionUpdateStatus,
+                new MessageProperties());
+        ActionUpdateStatus convertedActionUpdateStatus = baseAmqpService.convertMessage(message,
+                ActionUpdateStatus.class);
+
+        assertThat(convertedActionUpdateStatus).as("Converted Action Status is wrong")
+                .isEqualsToByComparingFields(actionUpdateStatus);
+
+        convertedActionUpdateStatus = baseAmqpService.convertMessage(null, ActionUpdateStatus.class);
+        assertThat(convertedActionUpdateStatus).as("Converted Object should be null when message is null").isNull();
+
+        convertedActionUpdateStatus = baseAmqpService.convertMessage(new Message(null, new MessageProperties()),
+                ActionUpdateStatus.class);
+        assertThat(convertedActionUpdateStatus).as("Converted Object should be null when message body is null")
+                .isNull();
+    }
+
+    @Test
+    @Description("Verify that a conversion of a list from a message works")
+    public void convertMessageListTest() {
+        final List<ActionUpdateStatus> actionUpdateStatusList = new ArrayList<>();
+        for (int i = 0; i < 5; i++) {
+            final ActionUpdateStatus actionUpdateStatus = new ActionUpdateStatus();
+            actionUpdateStatus.setActionId(Long.valueOf(i));
+            actionUpdateStatus.setSoftwareModuleId(Long.valueOf(i));
+            actionUpdateStatusList.add(actionUpdateStatus);
+        }
+
+        final Message message = rabbitTemplate.getMessageConverter().toMessage(actionUpdateStatusList,
+                new MessageProperties());
+        List<ActionUpdateStatus> convertedActionUpdateStatus = baseAmqpService.convertMessageList(message,
+                ActionUpdateStatus.class);
+
+        assertThat(convertedActionUpdateStatus).as("Converted Action Status list is wrong")
+                .hasSameClassAs(actionUpdateStatusList);
+        assertThat(convertedActionUpdateStatus).as("Converted Action Status list is wrong")
+                .hasSameSizeAs(actionUpdateStatusList);
+
+        convertedActionUpdateStatus = baseAmqpService.convertMessageList(null, ActionUpdateStatus.class);
+        assertThat(convertedActionUpdateStatus).as("Converted list should be empty when message is null").isEmpty();
+
+        convertedActionUpdateStatus = baseAmqpService.convertMessageList(new Message(null, new MessageProperties()),
+                ActionUpdateStatus.class);
+        assertThat(convertedActionUpdateStatus).as("Converted list should be empty when message body is null")
+                .isEmpty();
+    }
+
+}