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Test-driven Development with AEM

Jan Wloka
Jan Wloka

The document outlines the implementation and testing of a text image component in AEM using JUnit and Sling Test APIs. It includes configuration for client-server setup, page and resource creation, and several test cases that verify the correct functionality of image captions and legends. Additionally, it discusses the structure for creating components and a unified testing approach for AEM applications.

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TDD with AEM Jan Wloka jan.wloka@quatico.com Quatico Solutions AG
Test-driven Development with AEM
Test-driven Development with AEM
Text Image Component
Text Image Component JSP Template class TextImageItem class TextImageController <creates> <creates> <uses> <uses>
Text Image Component MVC JSP Template class TextImageItem class TextImageController <creates> <creates> <uses> <uses>
Client Server Author Deploy Create Running the Component JSP Template class TextImageItem class TextImageController
Client Server Author Deploy Create Running the Component Round trip: Single feature ~1min JSP Template class TextImageItem class TextImageController
Testing Text Image Component AEM Resources App TextImage TextImage Test <creates> <tests>
AEM Sling Testing API @Before public void setUp() throws Exception { URL url = new URL(serverUrl); httpClient = new HttpClient(); httpClient.getParams().setAuthenticationPreemptive(true); httpClient.getState().setCredentials(new AuthScope(url.getHost(), url.getPort(), ANY_REALM), getCredentials()); client = new SlingIntegrationTestClient(httpClient); } private void createPage(String path, Properties properties, Template template) throws Exception { String[] pair = splitPathName(path); HttpMethod createReq = new PostMethod(serverUrl + "/bin/wcmcommand"); createReq.setQueryString(new Properties().append("cmd", “createPage").append("title", pair[1]) .append("parentPath", pair[0]).append(TEMPLATE, template.getName()).toPairs()); if (HttpStatus.SC_OK != httpClient.executeMethod(createReq)) { throw new HttpResponseException(createReq.getStatusCode(), createReq.getStatusText()); } if (!properties.isEmpty()) { HttpMethod changeReq = new PostMethod(serverUrl + path + "/" + JCR_CONTENT); changeReq.setQueryString(properties.toPairs(true)); if (HttpStatus.SC_OK != httpClient.executeMethod(changeReq)) { throw new HttpResponseException(changeReq.getStatusCode(), changeReq.getStatusText()); } } } private String createResource(String path, Properties properties) throws IOException { String nodeUrl = serverUrl + path; client.createNode(nodeUrl, properties.<String>toMap()); return nodeUrl; }
AEM Sling Testing API @Before public void setUp() throws Exception { URL url = new URL(serverUrl); httpClient = new HttpClient(); httpClient.getParams().setAuthenticationPreemptive(true); httpClient.getState().setCredentials(new AuthScope(url.getHost(), url.getPort(), ANY_REALM), getCredentials()); client = new SlingIntegrationTestClient(httpClient); } private void createPage(String path, Properties properties, Template template) throws Exception { String[] pair = splitPathName(path); HttpMethod createReq = new PostMethod(serverUrl + "/bin/wcmcommand"); createReq.setQueryString(new Properties().append("cmd", “createPage").append("title", pair[1]) .append("parentPath", pair[0]).append(TEMPLATE, template.getName()).toPairs()); if (HttpStatus.SC_OK != httpClient.executeMethod(createReq)) { throw new HttpResponseException(createReq.getStatusCode(), createReq.getStatusText()); } if (!properties.isEmpty()) { HttpMethod changeReq = new PostMethod(serverUrl + path + "/" + JCR_CONTENT); changeReq.setQueryString(properties.toPairs(true)); if (HttpStatus.SC_OK != httpClient.executeMethod(changeReq)) { throw new HttpResponseException(changeReq.getStatusCode(), changeReq.getStatusText()); } } } private String createResource(String path, Properties properties) throws IOException { String nodeUrl = serverUrl + path; client.createNode(nodeUrl, properties.<String>toMap()); return nodeUrl; } Setup Client
AEM Sling Testing API @Before public void setUp() throws Exception { URL url = new URL(serverUrl); httpClient = new HttpClient(); httpClient.getParams().setAuthenticationPreemptive(true); httpClient.getState().setCredentials(new AuthScope(url.getHost(), url.getPort(), ANY_REALM), getCredentials()); client = new SlingIntegrationTestClient(httpClient); } private void createPage(String path, Properties properties, Template template) throws Exception { String[] pair = splitPathName(path); HttpMethod createReq = new PostMethod(serverUrl + "/bin/wcmcommand"); createReq.setQueryString(new Properties().append("cmd", “createPage").append("title", pair[1]) .append("parentPath", pair[0]).append(TEMPLATE, template.getName()).toPairs()); if (HttpStatus.SC_OK != httpClient.executeMethod(createReq)) { throw new HttpResponseException(createReq.getStatusCode(), createReq.getStatusText()); } if (!properties.isEmpty()) { HttpMethod changeReq = new PostMethod(serverUrl + path + "/" + JCR_CONTENT); changeReq.setQueryString(properties.toPairs(true)); if (HttpStatus.SC_OK != httpClient.executeMethod(changeReq)) { throw new HttpResponseException(changeReq.getStatusCode(), changeReq.getStatusText()); } } } private String createResource(String path, Properties properties) throws IOException { String nodeUrl = serverUrl + path; client.createNode(nodeUrl, properties.<String>toMap()); return nodeUrl; } Create Page
AEM Sling Testing API @Before public void setUp() throws Exception { URL url = new URL(serverUrl); httpClient = new HttpClient(); httpClient.getParams().setAuthenticationPreemptive(true); httpClient.getState().setCredentials(new AuthScope(url.getHost(), url.getPort(), ANY_REALM), getCredentials()); client = new SlingIntegrationTestClient(httpClient); } private void createPage(String path, Properties properties, Template template) throws Exception { String[] pair = splitPathName(path); HttpMethod createReq = new PostMethod(serverUrl + "/bin/wcmcommand"); createReq.setQueryString(new Properties().append("cmd", “createPage").append("title", pair[1]) .append("parentPath", pair[0]).append(TEMPLATE, template.getName()).toPairs()); if (HttpStatus.SC_OK != httpClient.executeMethod(createReq)) { throw new HttpResponseException(createReq.getStatusCode(), createReq.getStatusText()); } if (!properties.isEmpty()) { HttpMethod changeReq = new PostMethod(serverUrl + path + "/" + JCR_CONTENT); changeReq.setQueryString(properties.toPairs(true)); if (HttpStatus.SC_OK != httpClient.executeMethod(changeReq)) { throw new HttpResponseException(changeReq.getStatusCode(), changeReq.getStatusText()); } } } private String createResource(String path, Properties properties) throws IOException { String nodeUrl = serverUrl + path; client.createNode(nodeUrl, properties.<String>toMap()); return nodeUrl; } Setup Resource
Test: Image caption is shown @Test public void testGetImageLegendWithSourceAndCaptionReturnsBoth() throws Exception { ResourceResolver resolver = new ResourceResolverImpl(client); createPage(“/content/foobar”, new Properties(), PageType.PRESENCE.getTemplate()); createPage(“/content/foobar/ko”, new Properties(), PageType.LANGUAGE.getTemplate()); createPage(“/content/foobar/ko/home", new Properties(), PageType.HOME.getTemplate()); createPage(“/content/foobar/ko/home/content", new Properties(), PageType.DETAIL.getTemplate()); Resource contentPage = resolver.getResource(“/content/foobar/ko/home/content"); createResource(contentPage.getPath() + "/jcr:content/textimage", new Properties()); Resource target = resolver.getResource(contentPage.getPath() + "/jcr:content/textimage"); Properties imageProps = new Properties() .append("source", "<sourceValue>") .append("caption", "titleValue") .append("sling:resourceType", ComponentType.IMAGE) .append(JCR_LASTMODIFIED, new Time().format(DateFormat.GMT)) .append(JCR_LAST_MODIFIED_BY, "admin"); createResource(contentPage.getPath() + "/jcr:content/textimage/image", imageProps); TextImageController testObj = new TextImageController().setup(createContext(target, contentPage)); assertEquals("titleValue<br />&lt;sourceValue&gt;", testObj.getImageLegend()); }
Test: Image caption is shown @Test public void testGetImageLegendWithSourceAndCaptionReturnsBoth() throws Exception { ResourceResolver resolver = new ResourceResolverImpl(client); createPage(“/content/foobar”, new Properties(), PageType.PRESENCE.getTemplate()); createPage(“/content/foobar/ko”, new Properties(), PageType.LANGUAGE.getTemplate()); createPage(“/content/foobar/ko/home", new Properties(), PageType.HOME.getTemplate()); createPage(“/content/foobar/ko/home/content", new Properties(), PageType.DETAIL.getTemplate()); Resource contentPage = resolver.getResource(“/content/foobar/ko/home/content"); createResource(contentPage.getPath() + "/jcr:content/textimage", new Properties()); Resource target = resolver.getResource(contentPage.getPath() + "/jcr:content/textimage"); Properties imageProps = new Properties() .append("source", "<sourceValue>") .append("caption", "titleValue") .append("sling:resourceType", ComponentType.IMAGE) .append(JCR_LASTMODIFIED, new Time().format(DateFormat.GMT)) .append(JCR_LAST_MODIFIED_BY, "admin"); createResource(contentPage.getPath() + "/jcr:content/textimage/image", imageProps); TextImageController testObj = new TextImageController().setup(createContext(target, contentPage)); assertEquals("titleValue<br />&lt;sourceValue&gt;", testObj.getImageLegend()); } Assemble
Test: Image caption is shown @Test public void testGetImageLegendWithSourceAndCaptionReturnsBoth() throws Exception { ResourceResolver resolver = new ResourceResolverImpl(client); createPage(“/content/foobar”, new Properties(), PageType.PRESENCE.getTemplate()); createPage(“/content/foobar/ko”, new Properties(), PageType.LANGUAGE.getTemplate()); createPage(“/content/foobar/ko/home", new Properties(), PageType.HOME.getTemplate()); createPage(“/content/foobar/ko/home/content", new Properties(), PageType.DETAIL.getTemplate()); Resource contentPage = resolver.getResource(“/content/foobar/ko/home/content"); createResource(contentPage.getPath() + "/jcr:content/textimage", new Properties()); Resource target = resolver.getResource(contentPage.getPath() + "/jcr:content/textimage"); Properties imageProps = new Properties() .append("source", "<sourceValue>") .append("caption", "titleValue") .append("sling:resourceType", ComponentType.IMAGE) .append(JCR_LASTMODIFIED, new Time().format(DateFormat.GMT)) .append(JCR_LAST_MODIFIED_BY, "admin"); createResource(contentPage.getPath() + "/jcr:content/textimage/image", imageProps); TextImageController testObj = new TextImageController().setup(createContext(target, contentPage)); assertEquals("titleValue<br />&lt;sourceValue&gt;", testObj.getImageLegend()); } Assemble Act
Test: Image caption is shown @Test public void testGetImageLegendWithSourceAndCaptionReturnsBoth() throws Exception { ResourceResolver resolver = new ResourceResolverImpl(client); createPage(“/content/foobar”, new Properties(), PageType.PRESENCE.getTemplate()); createPage(“/content/foobar/ko”, new Properties(), PageType.LANGUAGE.getTemplate()); createPage(“/content/foobar/ko/home", new Properties(), PageType.HOME.getTemplate()); createPage(“/content/foobar/ko/home/content", new Properties(), PageType.DETAIL.getTemplate()); Resource contentPage = resolver.getResource(“/content/foobar/ko/home/content"); createResource(contentPage.getPath() + "/jcr:content/textimage", new Properties()); Resource target = resolver.getResource(contentPage.getPath() + "/jcr:content/textimage"); Properties imageProps = new Properties() .append("source", "<sourceValue>") .append("caption", "titleValue") .append("sling:resourceType", ComponentType.IMAGE) .append(JCR_LASTMODIFIED, new Time().format(DateFormat.GMT)) .append(JCR_LAST_MODIFIED_BY, "admin"); createResource(contentPage.getPath() + "/jcr:content/textimage/image", imageProps); TextImageController testObj = new TextImageController().setup(createContext(target, contentPage)); assertEquals("titleValue<br />&lt;sourceValue&gt;", testObj.getImageLegend()); } Assemble Act Assert
Integrated Tests with AEM Author Publish boot2 JCR JSP JS/CSS foo() : Foo bar() : Bar zip: Zip zap : Zap TextImage testFooWithNull() testFooWithOk() testBarWithEmpty() testBarWithResult() TextImageTest Request Response Client Server
Integrated Tests with AEM Round trip: ~80 tested features ~2m30s Author Publish boot2 JCR JSP JS/CSS foo() : Foo bar() : Bar zip: Zip zap : Zap TextImage testFooWithNull() testFooWithOk() testBarWithEmpty() testBarWithResult() TextImageTest Request Response Client Server
It works, but still hurts! Client Server AEM App Test Test Test Test Test
It works, but still hurts! Client Server AEM App Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test
It works, but still hurts! Client Server AEM App Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test Delay (or prevent) feedback Hard to write Difficult to maintain Flaky results Low coverage
A unified testing API AEM App App Test API
A unified testing API Test API AEM Resources App TextImage TextImage Test <uses> <tests>
API for creating Pages class Pages { aPresencePage(String, Object…) aLanguagePage(String, Object…) aHomePage(String, Object…) aNewsPage(String, Object…) aRssFeedPage(String, Object…) aDetailPage(String, Object…) aContactPage(String, Object…) aTagPage(String, Object…) aPageContext(Resource, Object…) ...
API for creating Components class Components { aParSys(String, Object…) aLink(String, Object…) aLinkList(String, Object…) aServiceNavigation(String, Object…) anImage(String, Object…) aSlideshow(String, Object…) aFooter(String, Object…) aTeaser(String, Object…) aContactBox(String, Object…) aRssFeed(String, Object…) aSearchFilter(String, Object…) aPager(String, Object…) aForm(String, Object…) ...
Builder API for Everything Pages Components Resources Assets AemClient TestSetup TextImage ControllerTest <uses> <creates> <creates> <creates><creates> <creates>
TextImage Test with Builders public class TextImageControllerTest extends IntegrationTestBase { @Test
 public void testGetImageLegendWithOnlySourceSetReturnsSource() throws Exception { 
 Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content”);
 Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage");
 $.anImage(contentPage.getPath() + "/jcr:content/textimage/image","source","expected");
 
 TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertEquals("expected", testObj.getImageLegend()); }
TextImage Test with Builders public class TextImageControllerTest extends IntegrationTestBase { @Test
 public void testGetImageLegendWithOnlySourceSetReturnsSource() throws Exception { 
 Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content”);
 Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage");
 $.anImage(contentPage.getPath() + "/jcr:content/textimage/image","source","expected");
 
 TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertEquals("expected", testObj.getImageLegend()); } Assemble
TextImage Test with Builders public class TextImageControllerTest extends IntegrationTestBase { @Test
 public void testGetImageLegendWithOnlySourceSetReturnsSource() throws Exception { 
 Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content”);
 Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage");
 $.anImage(contentPage.getPath() + "/jcr:content/textimage/image","source","expected");
 
 TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertEquals("expected", testObj.getImageLegend()); } Assemble Act
TextImage Test with Builders public class TextImageControllerTest extends IntegrationTestBase { @Test
 public void testGetImageLegendWithOnlySourceSetReturnsSource() throws Exception { 
 Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content”);
 Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage");
 $.anImage(contentPage.getPath() + "/jcr:content/textimage/image","source","expected");
 
 TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertEquals("expected", testObj.getImageLegend()); } Assemble Assert Act
“Fluent Builder” makes use simple • Fluent Builder API • Conciseness: Fluent syntax, smart defaults, var args • Uniformity: Consistent semantics • Pervasiveness: Availability everywhere Map<String, String> httpMapping = new Properties( DATA_INPUT_SUB_PATH, new TestFile("file-delivery-test/input").getPath(), DATA_OUTPUT_SUB_PATH, new TestFile("file-delivery-test/output").getPath()).toMap(); $.service( new FileDeliveryService(), $.aPathMappingService().withMapping(new PathMapping().putAll(httpMapping))); <R> R service(R service, Object... requiredServices) throws Exception; <R> R service(IServiceBuilder<R> builder, Object... requiredServices) throws Exception;
“Fluent Builder” makes use simple • Fluent Builder API • Conciseness: Fluent syntax, smart defaults, var args • Uniformity: Consistent semantics • Pervasiveness: Availability everywhere Map<String, String> httpMapping = new Properties( DATA_INPUT_SUB_PATH, new TestFile("file-delivery-test/input").getPath(), DATA_OUTPUT_SUB_PATH, new TestFile("file-delivery-test/output").getPath()).toMap(); $.service( new FileDeliveryService(), $.aPathMappingService().withMapping(new PathMapping().putAll(httpMapping))); <R> R service(R service, Object... requiredServices) throws Exception; <R> R service(IServiceBuilder<R> builder, Object... requiredServices) throws Exception;
“Fluent Builder” makes use simple • Fluent Builder API • Conciseness: Fluent syntax, smart defaults, var args • Uniformity: Consistent semantics • Pervasiveness: Availability everywhere Map<String, String> httpMapping = new Properties( DATA_INPUT_SUB_PATH, new TestFile("file-delivery-test/input").getPath(), DATA_OUTPUT_SUB_PATH, new TestFile("file-delivery-test/output").getPath()).toMap(); $.service( new FileDeliveryService(), $.aPathMappingService().withMapping(new PathMapping().putAll(httpMapping))); <R> R service(R service, Object... requiredServices) throws Exception; <R> R service(IServiceBuilder<R> builder, Object... requiredServices) throws Exception;
“Fluent Builder” makes use simple • Fluent Builder API • Conciseness: Fluent syntax, smart defaults, var args • Uniformity: Consistent semantics • Pervasiveness: Availability everywhere Map<String, String> httpMapping = new Properties( DATA_INPUT_SUB_PATH, new TestFile("file-delivery-test/input").getPath(), DATA_OUTPUT_SUB_PATH, new TestFile("file-delivery-test/output").getPath()).toMap(); $.service( new FileDeliveryService(), $.aPathMappingService().withMapping(new PathMapping().putAll(httpMapping))); <R> R service(R service, Object... requiredServices) throws Exception; <R> R service(IServiceBuilder<R> builder, Object... requiredServices) throws Exception;
“Dynamic Proxy” makes it available Assets <creates> <creates> Pages Components Resources AemClient Integration TestBase TextImage ControllerTest <creates><creates> <creates>
“Dynamic Proxy” makes it available ITestSetup IPagesIComponents IResourcesIAssetsIAemClient Assets <creates> <creates> Pages Components Resources AemClient Integration TestBase TextImage ControllerTest <creates><creates> <creates>
“Dynamic Proxy” makes it available ITestSetup IPagesIComponents IResourcesIAssetsIAemClient Assets <creates> <creates> Pages Components Resources AemClient Integration TestBase TextImage ControllerTest <creates><creates> <creates> <owns>
“Dynamic Proxy” makes it available ITestSetup IPagesIComponents IResourcesIAssetsIAemClient <creates> <creates> MockPages MockComponents MockResources MockAssets MockClient UnitTest TestBase <owns> TextImage ControllerTest <creates> <creates><creates>
Initialize Integration Test Context public abstract class IntegrationTestBase {
 
 public static final String MANDANT_TESTS = “/content/foobar”;
 public static final Locale TEST_LOCALE = new Locale("ko");
 private final Set<String> resourcesToDelete = new HashSet<>(); public ITestSetup $;
 protected SlingClient slingClient;
 protected ResourceResolver resolver;
 
 @Before
 public void setUpTestContext() throws Exception {
 slingClient = new SlingClient(SERVER_URL);
 resolver = new ResourceResolverImpl(slingClient);
 IResources resources = new Resources(slingClient, resolver); IPages pages = new Pages(slingClient, resolver);
 IComponents components = new Components(resources);
 $ = SetupFactory.create(ITestSetup.class).getSetup(resources, pages, components, new Assets(resources), new AemClient(resolver), new Services(components)); slingClient.deleteResource(MANDANT_TESTS); }
Initialize Integration Test Context public abstract class IntegrationTestBase {
 
 public static final String MANDANT_TESTS = “/content/foobar”;
 public static final Locale TEST_LOCALE = new Locale("ko");
 private final Set<String> resourcesToDelete = new HashSet<>(); public ITestSetup $;
 protected SlingClient slingClient;
 protected ResourceResolver resolver;
 
 @Before
 public void setUpTestContext() throws Exception {
 slingClient = new SlingClient(SERVER_URL);
 resolver = new ResourceResolverImpl(slingClient);
 IResources resources = new Resources(slingClient, resolver); IPages pages = new Pages(slingClient, resolver);
 IComponents components = new Components(resources);
 $ = SetupFactory.create(ITestSetup.class).getSetup(resources, pages, components, new Assets(resources), new AemClient(resolver), new Services(components)); slingClient.deleteResource(MANDANT_TESTS); }
Initialize Unit Test Context public abstract class UnitTestBase {
 
 public static final String MANDANT_TESTS = “/content/foobar”;
 public static final Locale TEST_LOCALE = new Locale("ko");
 public ITestSetup $;
 
 @Before
 public void setUpTestContext() throws Exception {
 Locale.setDefault(TEST_LOCALE);
 IAemClient client = new MockAemClient();
 IResources resources = new MockResources(client);
 IPages pages = new MockPages(resources, client);
 IAssets assets = new MockAssets(resources, client);
 IRequest request = new MockRequest(resources, client);
 IComponents components = new MockComponents(resources);
 $ = SetupFactory.create(ITestSetup.class).getSetup(client, resources, assets, request, pages, components, new MockJspTags(resources, pages), new MockServices());
 }
Initialize Unit Test Context public abstract class UnitTestBase {
 
 public static final String MANDANT_TESTS = “/content/foobar”;
 public static final Locale TEST_LOCALE = new Locale("ko");
 public ITestSetup $;
 
 @Before
 public void setUpTestContext() throws Exception {
 Locale.setDefault(TEST_LOCALE);
 IAemClient client = new MockAemClient();
 IResources resources = new MockResources(client);
 IPages pages = new MockPages(resources, client);
 IAssets assets = new MockAssets(resources, client);
 IRequest request = new MockRequest(resources, client);
 IComponents components = new MockComponents(resources);
 $ = SetupFactory.create(ITestSetup.class).getSetup(client, resources, assets, request, pages, components, new MockJspTags(resources, pages), new MockServices());
 }
Development Cycle with AEM New Integrated Test Copy Test to UnitTests Adapt Mocks Test-drive New Feature
Write Acceptance Test first @Test public void testIsShowTitleBelowWithImageAndSizeNormalAndPositionLeftReturnsTrue() { Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content"); Resource asset = $.anAsset("/content/dam/quatico-test/test-image.jpg"); Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage", "text", "<b>hello</b>"); $.anImage(contentPage.getPath() + "/jcr:content/textimage/image", FILE_REFERENCE, asset.getPath(), "imageSize", NORMAL, "imagePosition", LEFT_ABOVE); TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertTrue(testObj.isShowTitleBelow()); }
TDD away, with Unit Tests @Test public void testIsShowTitleBelowWithImagePresentAndSizeNormalAndPositionLeftReturnsTrue() throws Exception { Resource asset = $.anAsset("/content/dam/foo.jpg"); Resource target = aTextImage("/a/b/c/jcr:content/textimage", "text", "<b>hello</b>"); $.anImage(“/a/b/c/jcr:content/textimage/image", FILE_REFERENCE, asset.getPath(), "imageSize", NORMAL, "imagePosition", LEFT_ABOVE); assertTrue(aTextImageController(target).isShowTitleBelow()); } @Test public void testIsShowTitleBelowWithImagePresentAndSizeSmallAndPositionLeftReturnFalse() throws Exception { Resource asset = $.anAsset("/content/dam/foo.jpg"); Resource target = aTextImage("/a/b/c/jcr:content/textimage", "text", "<b>hello</b>"); $.anImage("/a/b/c/jcr:content/textimage/image", FILE_REFERENCE, asset.getPath(), "imageSize", SMALL, "imagePosition", LEFT_ABOVE); assertFalse(aTextImageController(target).isShowTitleBelow()); } @Test public void testIsShowTitleBelowWithNoImagePresentReturnsFalse() throws Exception { Resource target = aTextImage("/a/b/c/jcr:content/textimage", "text", "<b>hello</b>"); assertFalse(aTextImageController(target).isShowTitleBelow()); } @Test public void testValidateWithValidTextResourceYieldsOk() throws Exception { Resource target = aTextImage("/a/b/c/jcr:content/textimage", "text", "<b>hello</b>"); assertStatusEquals(Ok(), aTextImageController(target).validate()); } @Test public void testValidateWithEmptyTextResourceYieldsWarning() throws Exception { Resource target = aTextImage("/a/b/c"); Status actual = aTextImageController(target).validate(); assertTrue(actual.isWarning()); }
Unit Testing with AEM Mock AEM JCR foo() : Foo bar() : Bar zip: Zip zap : Zap TextImage testFooWithNull() testFooWithOk() testBarWithEmpty() testBarWithResult() TextImageTest Client
Unit Testing with AEM Round trip: ~5000 unit tests ~30s Mock AEM JCR foo() : Foo bar() : Bar zip: Zip zap : Zap TextImage testFooWithNull() testFooWithOk() testBarWithEmpty() testBarWithResult() TextImageTest Client
Conclusion: No excuses • Best practices for initializing, stubbing and mocking objects are made consistently available • Test setups cost virtually nothing • You write more simple, reliable, maintainable tests • Listen to their feedback more frequently • New developers quickly adapt to best practices
Yes, it’s possible UT Performance Testing Integration Testing Human Testing End-To-End Testing HT Integration Testing Performance Testing Unit Testing End-To-End Testing
Thank You. jan.wloka@quatico.com @crashtester

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Test-driven Development with AEM

  • 1. TDD with AEM Jan Wloka [email protected] Quatico Solutions AG
  • 5. Text Image Component JSP Template class TextImageItem class TextImageController <creates> <creates> <uses> <uses>
  • 6. Text Image Component MVC JSP Template class TextImageItem class TextImageController <creates> <creates> <uses> <uses>
  • 7. Client Server Author Deploy Create Running the Component JSP Template class TextImageItem class TextImageController
  • 8. Client Server Author Deploy Create Running the Component Round trip: Single feature ~1min JSP Template class TextImageItem class TextImageController
  • 9. Testing Text Image Component AEM Resources App TextImage TextImage Test <creates> <tests>
  • 10. AEM Sling Testing API @Before public void setUp() throws Exception { URL url = new URL(serverUrl); httpClient = new HttpClient(); httpClient.getParams().setAuthenticationPreemptive(true); httpClient.getState().setCredentials(new AuthScope(url.getHost(), url.getPort(), ANY_REALM), getCredentials()); client = new SlingIntegrationTestClient(httpClient); } private void createPage(String path, Properties properties, Template template) throws Exception { String[] pair = splitPathName(path); HttpMethod createReq = new PostMethod(serverUrl + "/bin/wcmcommand"); createReq.setQueryString(new Properties().append("cmd", “createPage").append("title", pair[1]) .append("parentPath", pair[0]).append(TEMPLATE, template.getName()).toPairs()); if (HttpStatus.SC_OK != httpClient.executeMethod(createReq)) { throw new HttpResponseException(createReq.getStatusCode(), createReq.getStatusText()); } if (!properties.isEmpty()) { HttpMethod changeReq = new PostMethod(serverUrl + path + "/" + JCR_CONTENT); changeReq.setQueryString(properties.toPairs(true)); if (HttpStatus.SC_OK != httpClient.executeMethod(changeReq)) { throw new HttpResponseException(changeReq.getStatusCode(), changeReq.getStatusText()); } } } private String createResource(String path, Properties properties) throws IOException { String nodeUrl = serverUrl + path; client.createNode(nodeUrl, properties.<String>toMap()); return nodeUrl; }
  • 11. AEM Sling Testing API @Before public void setUp() throws Exception { URL url = new URL(serverUrl); httpClient = new HttpClient(); httpClient.getParams().setAuthenticationPreemptive(true); httpClient.getState().setCredentials(new AuthScope(url.getHost(), url.getPort(), ANY_REALM), getCredentials()); client = new SlingIntegrationTestClient(httpClient); } private void createPage(String path, Properties properties, Template template) throws Exception { String[] pair = splitPathName(path); HttpMethod createReq = new PostMethod(serverUrl + "/bin/wcmcommand"); createReq.setQueryString(new Properties().append("cmd", “createPage").append("title", pair[1]) .append("parentPath", pair[0]).append(TEMPLATE, template.getName()).toPairs()); if (HttpStatus.SC_OK != httpClient.executeMethod(createReq)) { throw new HttpResponseException(createReq.getStatusCode(), createReq.getStatusText()); } if (!properties.isEmpty()) { HttpMethod changeReq = new PostMethod(serverUrl + path + "/" + JCR_CONTENT); changeReq.setQueryString(properties.toPairs(true)); if (HttpStatus.SC_OK != httpClient.executeMethod(changeReq)) { throw new HttpResponseException(changeReq.getStatusCode(), changeReq.getStatusText()); } } } private String createResource(String path, Properties properties) throws IOException { String nodeUrl = serverUrl + path; client.createNode(nodeUrl, properties.<String>toMap()); return nodeUrl; } Setup Client
  • 12. AEM Sling Testing API @Before public void setUp() throws Exception { URL url = new URL(serverUrl); httpClient = new HttpClient(); httpClient.getParams().setAuthenticationPreemptive(true); httpClient.getState().setCredentials(new AuthScope(url.getHost(), url.getPort(), ANY_REALM), getCredentials()); client = new SlingIntegrationTestClient(httpClient); } private void createPage(String path, Properties properties, Template template) throws Exception { String[] pair = splitPathName(path); HttpMethod createReq = new PostMethod(serverUrl + "/bin/wcmcommand"); createReq.setQueryString(new Properties().append("cmd", “createPage").append("title", pair[1]) .append("parentPath", pair[0]).append(TEMPLATE, template.getName()).toPairs()); if (HttpStatus.SC_OK != httpClient.executeMethod(createReq)) { throw new HttpResponseException(createReq.getStatusCode(), createReq.getStatusText()); } if (!properties.isEmpty()) { HttpMethod changeReq = new PostMethod(serverUrl + path + "/" + JCR_CONTENT); changeReq.setQueryString(properties.toPairs(true)); if (HttpStatus.SC_OK != httpClient.executeMethod(changeReq)) { throw new HttpResponseException(changeReq.getStatusCode(), changeReq.getStatusText()); } } } private String createResource(String path, Properties properties) throws IOException { String nodeUrl = serverUrl + path; client.createNode(nodeUrl, properties.<String>toMap()); return nodeUrl; } Create Page
  • 13. AEM Sling Testing API @Before public void setUp() throws Exception { URL url = new URL(serverUrl); httpClient = new HttpClient(); httpClient.getParams().setAuthenticationPreemptive(true); httpClient.getState().setCredentials(new AuthScope(url.getHost(), url.getPort(), ANY_REALM), getCredentials()); client = new SlingIntegrationTestClient(httpClient); } private void createPage(String path, Properties properties, Template template) throws Exception { String[] pair = splitPathName(path); HttpMethod createReq = new PostMethod(serverUrl + "/bin/wcmcommand"); createReq.setQueryString(new Properties().append("cmd", “createPage").append("title", pair[1]) .append("parentPath", pair[0]).append(TEMPLATE, template.getName()).toPairs()); if (HttpStatus.SC_OK != httpClient.executeMethod(createReq)) { throw new HttpResponseException(createReq.getStatusCode(), createReq.getStatusText()); } if (!properties.isEmpty()) { HttpMethod changeReq = new PostMethod(serverUrl + path + "/" + JCR_CONTENT); changeReq.setQueryString(properties.toPairs(true)); if (HttpStatus.SC_OK != httpClient.executeMethod(changeReq)) { throw new HttpResponseException(changeReq.getStatusCode(), changeReq.getStatusText()); } } } private String createResource(String path, Properties properties) throws IOException { String nodeUrl = serverUrl + path; client.createNode(nodeUrl, properties.<String>toMap()); return nodeUrl; } Setup Resource
  • 14. Test: Image caption is shown @Test public void testGetImageLegendWithSourceAndCaptionReturnsBoth() throws Exception { ResourceResolver resolver = new ResourceResolverImpl(client); createPage(“/content/foobar”, new Properties(), PageType.PRESENCE.getTemplate()); createPage(“/content/foobar/ko”, new Properties(), PageType.LANGUAGE.getTemplate()); createPage(“/content/foobar/ko/home", new Properties(), PageType.HOME.getTemplate()); createPage(“/content/foobar/ko/home/content", new Properties(), PageType.DETAIL.getTemplate()); Resource contentPage = resolver.getResource(“/content/foobar/ko/home/content"); createResource(contentPage.getPath() + "/jcr:content/textimage", new Properties()); Resource target = resolver.getResource(contentPage.getPath() + "/jcr:content/textimage"); Properties imageProps = new Properties() .append("source", "<sourceValue>") .append("caption", "titleValue") .append("sling:resourceType", ComponentType.IMAGE) .append(JCR_LASTMODIFIED, new Time().format(DateFormat.GMT)) .append(JCR_LAST_MODIFIED_BY, "admin"); createResource(contentPage.getPath() + "/jcr:content/textimage/image", imageProps); TextImageController testObj = new TextImageController().setup(createContext(target, contentPage)); assertEquals("titleValue<br />&lt;sourceValue&gt;", testObj.getImageLegend()); }
  • 15. Test: Image caption is shown @Test public void testGetImageLegendWithSourceAndCaptionReturnsBoth() throws Exception { ResourceResolver resolver = new ResourceResolverImpl(client); createPage(“/content/foobar”, new Properties(), PageType.PRESENCE.getTemplate()); createPage(“/content/foobar/ko”, new Properties(), PageType.LANGUAGE.getTemplate()); createPage(“/content/foobar/ko/home", new Properties(), PageType.HOME.getTemplate()); createPage(“/content/foobar/ko/home/content", new Properties(), PageType.DETAIL.getTemplate()); Resource contentPage = resolver.getResource(“/content/foobar/ko/home/content"); createResource(contentPage.getPath() + "/jcr:content/textimage", new Properties()); Resource target = resolver.getResource(contentPage.getPath() + "/jcr:content/textimage"); Properties imageProps = new Properties() .append("source", "<sourceValue>") .append("caption", "titleValue") .append("sling:resourceType", ComponentType.IMAGE) .append(JCR_LASTMODIFIED, new Time().format(DateFormat.GMT)) .append(JCR_LAST_MODIFIED_BY, "admin"); createResource(contentPage.getPath() + "/jcr:content/textimage/image", imageProps); TextImageController testObj = new TextImageController().setup(createContext(target, contentPage)); assertEquals("titleValue<br />&lt;sourceValue&gt;", testObj.getImageLegend()); } Assemble
  • 16. Test: Image caption is shown @Test public void testGetImageLegendWithSourceAndCaptionReturnsBoth() throws Exception { ResourceResolver resolver = new ResourceResolverImpl(client); createPage(“/content/foobar”, new Properties(), PageType.PRESENCE.getTemplate()); createPage(“/content/foobar/ko”, new Properties(), PageType.LANGUAGE.getTemplate()); createPage(“/content/foobar/ko/home", new Properties(), PageType.HOME.getTemplate()); createPage(“/content/foobar/ko/home/content", new Properties(), PageType.DETAIL.getTemplate()); Resource contentPage = resolver.getResource(“/content/foobar/ko/home/content"); createResource(contentPage.getPath() + "/jcr:content/textimage", new Properties()); Resource target = resolver.getResource(contentPage.getPath() + "/jcr:content/textimage"); Properties imageProps = new Properties() .append("source", "<sourceValue>") .append("caption", "titleValue") .append("sling:resourceType", ComponentType.IMAGE) .append(JCR_LASTMODIFIED, new Time().format(DateFormat.GMT)) .append(JCR_LAST_MODIFIED_BY, "admin"); createResource(contentPage.getPath() + "/jcr:content/textimage/image", imageProps); TextImageController testObj = new TextImageController().setup(createContext(target, contentPage)); assertEquals("titleValue<br />&lt;sourceValue&gt;", testObj.getImageLegend()); } Assemble Act
  • 17. Test: Image caption is shown @Test public void testGetImageLegendWithSourceAndCaptionReturnsBoth() throws Exception { ResourceResolver resolver = new ResourceResolverImpl(client); createPage(“/content/foobar”, new Properties(), PageType.PRESENCE.getTemplate()); createPage(“/content/foobar/ko”, new Properties(), PageType.LANGUAGE.getTemplate()); createPage(“/content/foobar/ko/home", new Properties(), PageType.HOME.getTemplate()); createPage(“/content/foobar/ko/home/content", new Properties(), PageType.DETAIL.getTemplate()); Resource contentPage = resolver.getResource(“/content/foobar/ko/home/content"); createResource(contentPage.getPath() + "/jcr:content/textimage", new Properties()); Resource target = resolver.getResource(contentPage.getPath() + "/jcr:content/textimage"); Properties imageProps = new Properties() .append("source", "<sourceValue>") .append("caption", "titleValue") .append("sling:resourceType", ComponentType.IMAGE) .append(JCR_LASTMODIFIED, new Time().format(DateFormat.GMT)) .append(JCR_LAST_MODIFIED_BY, "admin"); createResource(contentPage.getPath() + "/jcr:content/textimage/image", imageProps); TextImageController testObj = new TextImageController().setup(createContext(target, contentPage)); assertEquals("titleValue<br />&lt;sourceValue&gt;", testObj.getImageLegend()); } Assemble Act Assert
  • 18. Integrated Tests with AEM Author Publish boot2 JCR JSP JS/CSS foo() : Foo bar() : Bar zip: Zip zap : Zap TextImage testFooWithNull() testFooWithOk() testBarWithEmpty() testBarWithResult() TextImageTest Request Response Client Server
  • 19. Integrated Tests with AEM Round trip: ~80 tested features ~2m30s Author Publish boot2 JCR JSP JS/CSS foo() : Foo bar() : Bar zip: Zip zap : Zap TextImage testFooWithNull() testFooWithOk() testBarWithEmpty() testBarWithResult() TextImageTest Request Response Client Server
  • 20. It works, but still hurts! Client Server AEM App Test Test Test Test Test
  • 21. It works, but still hurts! Client Server AEM App Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test
  • 22. It works, but still hurts! Client Server AEM App Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test TestTest Test Test Test Test Test Test Test Test Delay (or prevent) feedback Hard to write Difficult to maintain Flaky results Low coverage
  • 23. A unified testing API AEM App App Test API
  • 24. A unified testing API Test API AEM Resources App TextImage TextImage Test <uses> <tests>
  • 25. API for creating Pages class Pages { aPresencePage(String, Object…) aLanguagePage(String, Object…) aHomePage(String, Object…) aNewsPage(String, Object…) aRssFeedPage(String, Object…) aDetailPage(String, Object…) aContactPage(String, Object…) aTagPage(String, Object…) aPageContext(Resource, Object…) ...
  • 26. API for creating Components class Components { aParSys(String, Object…) aLink(String, Object…) aLinkList(String, Object…) aServiceNavigation(String, Object…) anImage(String, Object…) aSlideshow(String, Object…) aFooter(String, Object…) aTeaser(String, Object…) aContactBox(String, Object…) aRssFeed(String, Object…) aSearchFilter(String, Object…) aPager(String, Object…) aForm(String, Object…) ...
  • 27. Builder API for Everything Pages Components Resources Assets AemClient TestSetup TextImage ControllerTest <uses> <creates> <creates> <creates><creates> <creates>
  • 28. TextImage Test with Builders public class TextImageControllerTest extends IntegrationTestBase { @Test
 public void testGetImageLegendWithOnlySourceSetReturnsSource() throws Exception { 
 Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content”);
 Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage");
 $.anImage(contentPage.getPath() + "/jcr:content/textimage/image","source","expected");
 
 TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertEquals("expected", testObj.getImageLegend()); }
  • 29. TextImage Test with Builders public class TextImageControllerTest extends IntegrationTestBase { @Test
 public void testGetImageLegendWithOnlySourceSetReturnsSource() throws Exception { 
 Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content”);
 Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage");
 $.anImage(contentPage.getPath() + "/jcr:content/textimage/image","source","expected");
 
 TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertEquals("expected", testObj.getImageLegend()); } Assemble
  • 30. TextImage Test with Builders public class TextImageControllerTest extends IntegrationTestBase { @Test
 public void testGetImageLegendWithOnlySourceSetReturnsSource() throws Exception { 
 Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content”);
 Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage");
 $.anImage(contentPage.getPath() + "/jcr:content/textimage/image","source","expected");
 
 TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertEquals("expected", testObj.getImageLegend()); } Assemble Act
  • 31. TextImage Test with Builders public class TextImageControllerTest extends IntegrationTestBase { @Test
 public void testGetImageLegendWithOnlySourceSetReturnsSource() throws Exception { 
 Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content”);
 Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage");
 $.anImage(contentPage.getPath() + "/jcr:content/textimage/image","source","expected");
 
 TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertEquals("expected", testObj.getImageLegend()); } Assemble Assert Act
  • 32. “Fluent Builder” makes use simple • Fluent Builder API • Conciseness: Fluent syntax, smart defaults, var args • Uniformity: Consistent semantics • Pervasiveness: Availability everywhere Map<String, String> httpMapping = new Properties( DATA_INPUT_SUB_PATH, new TestFile("file-delivery-test/input").getPath(), DATA_OUTPUT_SUB_PATH, new TestFile("file-delivery-test/output").getPath()).toMap(); $.service( new FileDeliveryService(), $.aPathMappingService().withMapping(new PathMapping().putAll(httpMapping))); <R> R service(R service, Object... requiredServices) throws Exception; <R> R service(IServiceBuilder<R> builder, Object... requiredServices) throws Exception;
  • 33. “Fluent Builder” makes use simple • Fluent Builder API • Conciseness: Fluent syntax, smart defaults, var args • Uniformity: Consistent semantics • Pervasiveness: Availability everywhere Map<String, String> httpMapping = new Properties( DATA_INPUT_SUB_PATH, new TestFile("file-delivery-test/input").getPath(), DATA_OUTPUT_SUB_PATH, new TestFile("file-delivery-test/output").getPath()).toMap(); $.service( new FileDeliveryService(), $.aPathMappingService().withMapping(new PathMapping().putAll(httpMapping))); <R> R service(R service, Object... requiredServices) throws Exception; <R> R service(IServiceBuilder<R> builder, Object... requiredServices) throws Exception;
  • 34. “Fluent Builder” makes use simple • Fluent Builder API • Conciseness: Fluent syntax, smart defaults, var args • Uniformity: Consistent semantics • Pervasiveness: Availability everywhere Map<String, String> httpMapping = new Properties( DATA_INPUT_SUB_PATH, new TestFile("file-delivery-test/input").getPath(), DATA_OUTPUT_SUB_PATH, new TestFile("file-delivery-test/output").getPath()).toMap(); $.service( new FileDeliveryService(), $.aPathMappingService().withMapping(new PathMapping().putAll(httpMapping))); <R> R service(R service, Object... requiredServices) throws Exception; <R> R service(IServiceBuilder<R> builder, Object... requiredServices) throws Exception;
  • 35. “Fluent Builder” makes use simple • Fluent Builder API • Conciseness: Fluent syntax, smart defaults, var args • Uniformity: Consistent semantics • Pervasiveness: Availability everywhere Map<String, String> httpMapping = new Properties( DATA_INPUT_SUB_PATH, new TestFile("file-delivery-test/input").getPath(), DATA_OUTPUT_SUB_PATH, new TestFile("file-delivery-test/output").getPath()).toMap(); $.service( new FileDeliveryService(), $.aPathMappingService().withMapping(new PathMapping().putAll(httpMapping))); <R> R service(R service, Object... requiredServices) throws Exception; <R> R service(IServiceBuilder<R> builder, Object... requiredServices) throws Exception;
  • 36. “Dynamic Proxy” makes it available Assets <creates> <creates> Pages Components Resources AemClient Integration TestBase TextImage ControllerTest <creates><creates> <creates>
  • 37. “Dynamic Proxy” makes it available ITestSetup IPagesIComponents IResourcesIAssetsIAemClient Assets <creates> <creates> Pages Components Resources AemClient Integration TestBase TextImage ControllerTest <creates><creates> <creates>
  • 38. “Dynamic Proxy” makes it available ITestSetup IPagesIComponents IResourcesIAssetsIAemClient Assets <creates> <creates> Pages Components Resources AemClient Integration TestBase TextImage ControllerTest <creates><creates> <creates> <owns>
  • 39. “Dynamic Proxy” makes it available ITestSetup IPagesIComponents IResourcesIAssetsIAemClient <creates> <creates> MockPages MockComponents MockResources MockAssets MockClient UnitTest TestBase <owns> TextImage ControllerTest <creates> <creates><creates>
  • 40. Initialize Integration Test Context public abstract class IntegrationTestBase {
 
 public static final String MANDANT_TESTS = “/content/foobar”;
 public static final Locale TEST_LOCALE = new Locale("ko");
 private final Set<String> resourcesToDelete = new HashSet<>(); public ITestSetup $;
 protected SlingClient slingClient;
 protected ResourceResolver resolver;
 
 @Before
 public void setUpTestContext() throws Exception {
 slingClient = new SlingClient(SERVER_URL);
 resolver = new ResourceResolverImpl(slingClient);
 IResources resources = new Resources(slingClient, resolver); IPages pages = new Pages(slingClient, resolver);
 IComponents components = new Components(resources);
 $ = SetupFactory.create(ITestSetup.class).getSetup(resources, pages, components, new Assets(resources), new AemClient(resolver), new Services(components)); slingClient.deleteResource(MANDANT_TESTS); }
  • 41. Initialize Integration Test Context public abstract class IntegrationTestBase {
 
 public static final String MANDANT_TESTS = “/content/foobar”;
 public static final Locale TEST_LOCALE = new Locale("ko");
 private final Set<String> resourcesToDelete = new HashSet<>(); public ITestSetup $;
 protected SlingClient slingClient;
 protected ResourceResolver resolver;
 
 @Before
 public void setUpTestContext() throws Exception {
 slingClient = new SlingClient(SERVER_URL);
 resolver = new ResourceResolverImpl(slingClient);
 IResources resources = new Resources(slingClient, resolver); IPages pages = new Pages(slingClient, resolver);
 IComponents components = new Components(resources);
 $ = SetupFactory.create(ITestSetup.class).getSetup(resources, pages, components, new Assets(resources), new AemClient(resolver), new Services(components)); slingClient.deleteResource(MANDANT_TESTS); }
  • 42. Initialize Unit Test Context public abstract class UnitTestBase {
 
 public static final String MANDANT_TESTS = “/content/foobar”;
 public static final Locale TEST_LOCALE = new Locale("ko");
 public ITestSetup $;
 
 @Before
 public void setUpTestContext() throws Exception {
 Locale.setDefault(TEST_LOCALE);
 IAemClient client = new MockAemClient();
 IResources resources = new MockResources(client);
 IPages pages = new MockPages(resources, client);
 IAssets assets = new MockAssets(resources, client);
 IRequest request = new MockRequest(resources, client);
 IComponents components = new MockComponents(resources);
 $ = SetupFactory.create(ITestSetup.class).getSetup(client, resources, assets, request, pages, components, new MockJspTags(resources, pages), new MockServices());
 }
  • 43. Initialize Unit Test Context public abstract class UnitTestBase {
 
 public static final String MANDANT_TESTS = “/content/foobar”;
 public static final Locale TEST_LOCALE = new Locale("ko");
 public ITestSetup $;
 
 @Before
 public void setUpTestContext() throws Exception {
 Locale.setDefault(TEST_LOCALE);
 IAemClient client = new MockAemClient();
 IResources resources = new MockResources(client);
 IPages pages = new MockPages(resources, client);
 IAssets assets = new MockAssets(resources, client);
 IRequest request = new MockRequest(resources, client);
 IComponents components = new MockComponents(resources);
 $ = SetupFactory.create(ITestSetup.class).getSetup(client, resources, assets, request, pages, components, new MockJspTags(resources, pages), new MockServices());
 }
  • 44. Development Cycle with AEM New Integrated Test Copy Test to UnitTests Adapt Mocks Test-drive New Feature
  • 45. Write Acceptance Test first @Test public void testIsShowTitleBelowWithImageAndSizeNormalAndPositionLeftReturnsTrue() { Resource contentPage = $.aDetailPageWithParents(“/content/foobar/ko/home/content"); Resource asset = $.anAsset("/content/dam/quatico-test/test-image.jpg"); Resource target = $.aResource(contentPage.getPath() + "/jcr:content/textimage", "text", "<b>hello</b>"); $.anImage(contentPage.getPath() + "/jcr:content/textimage/image", FILE_REFERENCE, asset.getPath(), "imageSize", NORMAL, "imagePosition", LEFT_ABOVE); TextImageController testObj = new TextImageController().setup( $.aPageContextWithComponent(target, contentPage)); assertTrue(testObj.isShowTitleBelow()); }
  • 46. TDD away, with Unit Tests @Test public void testIsShowTitleBelowWithImagePresentAndSizeNormalAndPositionLeftReturnsTrue() throws Exception { Resource asset = $.anAsset("/content/dam/foo.jpg"); Resource target = aTextImage("/a/b/c/jcr:content/textimage", "text", "<b>hello</b>"); $.anImage(“/a/b/c/jcr:content/textimage/image", FILE_REFERENCE, asset.getPath(), "imageSize", NORMAL, "imagePosition", LEFT_ABOVE); assertTrue(aTextImageController(target).isShowTitleBelow()); } @Test public void testIsShowTitleBelowWithImagePresentAndSizeSmallAndPositionLeftReturnFalse() throws Exception { Resource asset = $.anAsset("/content/dam/foo.jpg"); Resource target = aTextImage("/a/b/c/jcr:content/textimage", "text", "<b>hello</b>"); $.anImage("/a/b/c/jcr:content/textimage/image", FILE_REFERENCE, asset.getPath(), "imageSize", SMALL, "imagePosition", LEFT_ABOVE); assertFalse(aTextImageController(target).isShowTitleBelow()); } @Test public void testIsShowTitleBelowWithNoImagePresentReturnsFalse() throws Exception { Resource target = aTextImage("/a/b/c/jcr:content/textimage", "text", "<b>hello</b>"); assertFalse(aTextImageController(target).isShowTitleBelow()); } @Test public void testValidateWithValidTextResourceYieldsOk() throws Exception { Resource target = aTextImage("/a/b/c/jcr:content/textimage", "text", "<b>hello</b>"); assertStatusEquals(Ok(), aTextImageController(target).validate()); } @Test public void testValidateWithEmptyTextResourceYieldsWarning() throws Exception { Resource target = aTextImage("/a/b/c"); Status actual = aTextImageController(target).validate(); assertTrue(actual.isWarning()); }
  • 47. Unit Testing with AEM Mock AEM JCR foo() : Foo bar() : Bar zip: Zip zap : Zap TextImage testFooWithNull() testFooWithOk() testBarWithEmpty() testBarWithResult() TextImageTest Client
  • 48. Unit Testing with AEM Round trip: ~5000 unit tests ~30s Mock AEM JCR foo() : Foo bar() : Bar zip: Zip zap : Zap TextImage testFooWithNull() testFooWithOk() testBarWithEmpty() testBarWithResult() TextImageTest Client
  • 49. Conclusion: No excuses • Best practices for initializing, stubbing and mocking objects are made consistently available • Test setups cost virtually nothing • You write more simple, reliable, maintainable tests • Listen to their feedback more frequently • New developers quickly adapt to best practices
  • 50. Yes, it’s possible UT Performance Testing Integration Testing Human Testing End-To-End Testing HT Integration Testing Performance Testing Unit Testing End-To-End Testing