add unit tests for Dynamic deck functionality

bundle/src/test/java/com/adobe/acs/commons/indesign/dynamicdeckdynamo/services/impl/DynamicDeckServiceImplTest.java

@@ -0,0 +1,66 @@
+package com.adobe.acs.commons.indesign.dynamicdeckdynamo.services.impl;
+
+import com.adobe.acs.commons.indesign.dynamicdeckdynamo.exception.DynamicDeckDynamoException;
+import com.adobe.acs.commons.indesign.dynamicdeckdynamo.services.DynamicDeckConfigurationService;
+import com.adobe.acs.commons.indesign.dynamicdeckdynamo.services.XMLGeneratorService;
+import io.wcm.testing.mock.aem.junit5.AemContext;
+import io.wcm.testing.mock.aem.junit5.AemContextExtension;
+import org.apache.sling.api.resource.Resource;
+import org.apache.sling.api.resource.ResourceResolver;
+import org.apache.sling.event.jobs.JobManager;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.util.Collections;
+import java.util.List;
+
+import static org.junit.Assert.assertThrows;
+
+@ExtendWith({AemContextExtension.class, MockitoExtension.class})
+class DynamicDeckServiceImplTest {
+
+    private final AemContext context = new AemContext();
+
+    private ResourceResolver resourceResolver;
+
+    @Mock
+    private DynamicDeckConfigurationService configurationService;
+
+    @Mock
+    private XMLGeneratorService xmlGeneratorService;
+
+    @Mock
+    private JobManager jobManager;
+
+    @InjectMocks
+    private DynamicDeckServiceImpl dynamicDeckService;
+
+    @BeforeEach
+    void setUp() {
+        context.load().json("/com/adobe/acs/commons/dynamicdeckdynamo/dynamicdeckResources.json", "/content");
+        resourceResolver = context.resourceResolver();
+
+        context.registerService(DynamicDeckConfigurationService.class, configurationService);
+        context.registerService(XMLGeneratorService.class, xmlGeneratorService);
+        context.registerService(JobManager.class, jobManager);
+        dynamicDeckService = context.registerInjectActivateService(new DynamicDeckServiceImpl());
+    }
+
+    @Test
+    void shouldThrowExceptionInCaseOfTemplateAbsents() {
+        context.request().setPathInfo("/content/some/en/en/some.json");
+        List<Resource> assetResourceList = Collections.singletonList(Mockito.mock(Resource.class));
+        Resource masterAssetResource = resourceResolver.getResource("/content/dam/dynamic-deck-dynamo/master-assets");
+        Resource templateFolderResource = resourceResolver.getResource("/content/dam/dynamic-deck-dynamo/templates/simple-template-2018");
+        Resource destinationFolderResource = resourceResolver.getResource("/content/dam/dynamic-deck-dynamo/destination");
+
+        assertThrows(DynamicDeckDynamoException.class, () ->
+                dynamicDeckService.createDeck("deckTitle", masterAssetResource, assetResourceList, templateFolderResource,
+                        destinationFolderResource, resourceResolver));
+    }
+}