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Alexis Hassler
Une nouvelle vision des tests
avec
septembre 2013

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@AlexisHassler
Développeur, formateur Java
Indépendant
Co-leader du

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Tests
Unitaire Intégration

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Test unitaire
mockmock
mock
new ClassToBeTested()
mock

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Container
EJB
Other Bean
JPA
EntityManager
CDI
Bean
Transaction
Sécurité Intercepteurs
...
Intercepteurs
Sécurité
BeanToBeDeployed
JMS
Queue

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Container
Mock

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Container

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Mock

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Test d'intégration
EJB
Other Bean
JPA
EntityManager
CDI
Bean
Transaction
Sécurité Intercepteurs
...
Intercepteurs
Sécurité
BeanToBeDeployed
JMS
Queue

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Tests d'intégration
JavaEE

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Tester des composants
pas des classes isolées
pas l'application complète

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Aucune référence au
conteneur
dans les tests

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Weld
Tomcat
OpenWebBeans
OpenEJB
Jetty
Weblogic
Websphere
JBoss AS
Glassfish
TomEE

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Remote
Managed
Embedded

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TomcatJetty
Weblogic
Websphere
JBoss AS
Glassfish
TomEE

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Cloudbees
OpenShift
TomcatJetty
Weblogic
Websphere
JBoss AS
Glassfish
TomEE

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Mettre les
tests dans le conteneur
plutôt que
gérer le conteneur dans les tests

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@RunWith(Arquillian.class)
public class GreeterArqIT {
@Deployment
public static Archive<?> deploy() {
return ShrinkWrap.create(JavaArchive.class)
.addClasses(Greeter.class, Location.class)
.addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
}
@Inject
Greeter greeter;
@Test
public void testGreet() throws Exception {
String who = "World";
String expected = "Hi " + who;
String actual = greeter.greet(who);
assertEquals(expected, actual);
}
}

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@RunWith(Arquillian.class)
public class GreeterArqIT {
@Deployment
public static Archive<?> deploy() {
return ShrinkWrap.create(JavaArchive.class)
.addClasses(Greeter.class, Location.class)
.addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
}
@Inject
Greeter greeter;
@Test
public void testGreet() throws Exception {
String who = "World";
String expected = "Hi " + who;
String actual = greeter.greet(who);
assertEquals(expected, actual);
}
}
Runner JUnit
Méthode
de test

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@RunWith(Arquillian.class)
public class GreeterArqIT {
@Deployment
public static Archive<?> deploy() {
return ShrinkWrap.create(JavaArchive.class)
.addClasses(Greeter.class, Location.class)
.addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
}
@Inject
Greeter greeter;
@Test
public void testGreet() throws Exception {
String who = "World";
String expected = "Hi " + who;
String actual = greeter.greet(who);
assertEquals(expected, actual);
}
}
Injection de dépendance

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@RunWith(Arquillian.class)
public class GreeterArqIT {
@Deployment
public static Archive<?> deploy() {
return ShrinkWrap.create(JavaArchive.class)
.addClasses(Greeter.class, Location.class)
.addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
}
@Inject
Greeter greeter;
@Test
public void testGreet() throws Exception {
String who = "World";
String expected = "Hi " + who;
String actual = greeter.greet(who);
assertEquals(expected, actual);
}
}
Déploiement
du composant

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@Deployment
public static Archive<?> deploy() {
return ShrinkWrap.create(JavaArchive.class)
.addClasses(Greeter.class, Location.class)
.addAsResource("config.properties")
.addAsManifestResource(EmptyAsset.INSTANCE,
"beans.xml");
}
1. Créer l'archive

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@Deployment
public static Archive<?> deploy() {
return ShrinkWrap.create(JavaArchive.class)
.addClasses(Greeter.class, Location.class)
.addAsResource("config.properties")
.addAsManifestResource(EmptyAsset.INSTANCE,
"beans.xml");
}
2. Ajouter
du
contenu

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@Deployment
public static Archive<?> deploy() {
return ShrinkWrap.create(JavaArchive.class)
.addClasses(Greeter.class, Location.class)
.addAsResource("config.properties")
.addAsManifestResource(EmptyAsset.INSTANCE,
"beans.xml");
}
3. Déployer

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@Deployment
public static Archive<?> deploy() {
File[] requiredLibraries =
Maven.resolver()
.loadPomFromFile("pom.xml")
.importRuntimeAndTestDependencies()
.resolve()
.withTransitivity()
.asFile();
return ShrinkWrap
.create(WebArchive.class)
...
.addAsLibraries(requiredLibraries);
}
Résolution de
dépendances
Maven

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@RunWith(Arquillian.class)
@Deployment
@EJB, @Inject, @Resource
@Test

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Avec des données

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@PersistenceContext
EntityManager em;
@Resource
UserTransaction tx;
Injection
@Resource(mappedName="java:/jdbc/sample")
DataSource ds;

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Transaction Extension
@Transactional(TransactionMode.ROLLBACK)
public class GreeterFromDatabaseIT {
...
}

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Persistence Extension
@UsingDataSet("msg1.yml")
@ShouldMatchDataSet(
value="expected-msg.yml",
excludeColumns="id")

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Comme client

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@RunWith(Arquillian.class)
public class GreeterArqIT {
@Deployment(testable=false)
public static Archive deploy() {
...
}
@ArquillianResource URL deploymentUrl;
@Test
public void should_request_get_result() {
...
}
}

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@RunWith(Arquillian.class)
public class GreeterArqIT {
@Deployment(testable=false)
public static Archive deploy() {
...
}
@ArquillianResource URL deploymentUrl;
@Test
public void should_request_get_result() {
...
}
}
Déploiement
SANS
les tests

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@RunWith(Arquillian.class)
public class GreeterArqIT {
@Deployment(testable=false)
public static Archive deploy() {
...
}
@ArquillianResource URL deploymentUrl;
@Test
public void should_request_get_result() {
...
}
}
Injection de l'URL du déploiement

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@RunWith(Arquillian.class)
public class GreeterArqIT {
@Deployment(testable=false)
public static Archive deploy() {
...
}
@ArquillianResource URL deploymentUrl;
@Test
public void should_request_get_result() {
...
}
}
HttpUnit, Selenium,...

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Drone

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Injection Selenium
@RunWith(Arquillian.class)
public class GreeterArqIT {
@ArquillianResource URL deploymentUrl;
@Drone WebDriver browser;
...
}

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Graphene

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Injection Page Object
@RunWith(Arquillian.class)
public class GreeterArqIT {
@ArquillianResource URL deploymentUrl;
@Page TalkPage talkPage;
...
}

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Warp

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@RunWith(Arquillian.class)
@WarpTest
public class TalkPageWarpIT {
@Deployment(testable = true)
public static WebArchive deploy() {
return Deployments.prepareDeployment();
}
@ArquillianResource URL baseUrl;
@Drone WebDriver browser;
@Page TalkPage talkPage;
@Test @RunAsClient
public void should_my_talks_have_2_lines() {
Warp.initiate(...)
.observe(...)
.inspect(...);
}
}

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@RunWith(Arquillian.class)
@WarpTest
public class TalkPageWarpIT {
@Deployment(testable = true)
public static WebArchive deploy() {
return Deployments.prepareDeployment();
}
@ArquillianResource URL baseUrl;
@Drone WebDriver browser;
@Page TalkPage talkPage;
@Test @RunAsClient
public void should_my_talks_have_2_lines() {
Warp.initiate(...)
.observe(...)
.inspect(...);
}
}
Drone &
Graphene

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@RunWith(Arquillian.class)
@WarpTest
public class TalkPageWarpIT {
@Deployment(testable = true)
public static WebArchive deploy() {
return Deployments.prepareDeployment();
}
@ArquillianResource URL baseUrl;
@Drone WebDriver browser;
@Page TalkPage talkPage;
@Test @RunAsClient
public void should_my_talks_have_2_lines() {
Warp.initiate(...)
.observe(...)
.inspect(...);
}
}
3 phases
Warp

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Warp.initiate(
new Activity() {
...
})
.observe(...)
.inspect(...);
Activité
Coté client

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Warp.initiate(
new Activity() {
@Override
public void perform() {
talkPage.open();
}
})
.observe(...)
.inspect(...);

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Warp.initiate(...)
.observe(...)
.inspect(
new Inspection() {
...
});
Inspection
Coté serveur

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Warp.initiate(...)
.observe(...)
.inspect(
new Inspection() {
@ArquillianResource
HttpServletRequest request;
@AfterServlet
public void after() {
assertEquals(...);
}
});

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Warp.initiate(...)
.observe(
...
)
.inspect(...);
Filtre des
requêtes

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Warp.initiate(...)
.observe(
HttpFilters.request()
.uri()
.contains("Hassler")
)
.inspect(...);

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Au delà de
Java EE

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GAE
/
CapeDwarf

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Conclusion

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VRAIS
TESTS

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Mock
Mock

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Références
http://arquillian.org
http://github.com/hasalex/arquillian-demo
http://slideshare.com/sewatech

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@AlexisHassler
http://alexis-hassler.com
alexis.hassler@sewatech.fr
http://sewatech.fr

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