我如何使用 Junit 测试 return 一个 MongoClient 的 Singleton EJB？

Question

我必须使用 JUnit 测试一个简单的 Singleton EJB，return 一个 MongoClient。我想我可以试试 Arquillian。

使用此代码，我获得了一个 Java.lang.AssertionError，因为容器未注入 EJB。我哪里错了？

EJBclass:

@Stateless
@Singleton
@ConcurrencyManagement(ConcurrencyManagementType.CONTAINER)
public class MongoClientProviderBean {

    private Logger logger = Logger.getLogger(MongoClientProviderBean.class);
    private MongoClient mongoClient = null;

    @Lock(LockType.READ)
    public MongoClient getMongoClient() {
        return mongoClient;
    }

    @PostConstruct
    public void init() {
        try {
            String address = "mongo-host";
            int port = 27017;
            //TODO: inject del indirizzo e porta
            mongoClient = new MongoClient(address, port);
            logger.info("Inizializzato mongoclient ("+address+", "+port+")");
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
    }

    @PreDestroy
    public void tearDown() {
        mongoClient.close();
        logger.info("Mongoclient chiuso");
    }
}

测试Class:

@RunWith(Arquillian.class)
public class MongoClientProviderBeanTest {

private static final Logger logger = Logger.getLogger(MongoClientProviderBean.class);
@EJB
MongoClientProviderBean mongoClientProviderBean;
@Deployment
public static JavaArchive createDeployment() {
    return ShrinkWrap.create(JavaArchive.class, "test.jar")
            .addClasses(MongoClientProviderBean.class, MongoClient.class)
            .addAsManifestResource(EmptyAsset.INSTANCE, "beans.xml");
}

@Test
public void getMongoClient() throws Exception {
    assertNotNull(mongoClientProviderBean);
    /*
    dummy test
     */
    mongoClientProviderBean.getMongoClient();
  }

}

部分 POM:

[...]
<dependencyManagement>
    <dependencies>
        <dependency>
        <groupId>org.jboss.arquillian</groupId>
            <artifactId>arquillian-bom</artifactId>
            <version>1.1.13.Final</version>
            <scope>import</scope>
            <type>pom</type>
        </dependency>
    </dependencies>
</dependencyManagement>
<dependencies>
    <dependency>
        <groupId>org.jboss.arquillian.container</groupId>
        <artifactId>arquillian-weld-ee-embedded-1.1</artifactId>
        <version>1.0.0.CR9</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.jboss.weld</groupId>
        <artifactId>weld-core</artifactId>
        <version>2.3.5.Final</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.jboss.arquillian.junit</groupId>
        <artifactId>arquillian-junit-container</artifactId>
        <scope>test</scope>
    </dependency>
    [...]
</dependencies>
[...]

我也尝试过使用 Wildfly 管理的容器，但我得到了这个异常：

org.jboss.arquillian.container.spi.client.container.LifecycleException: Could not start container

at org.jboss.as.arquillian.container.managed.ManagedDeployableContainer.startInternal(ManagedDeployableContainer.java:168)
at org.jboss.as.arquillian.container.CommonDeployableContainer.start(CommonDeployableContainer.java:123)
at org.jboss.arquillian.container.impl.ContainerImpl.start(ContainerImpl.java:199)
[...]Caused by: java.lang.IllegalArgumentException: WFLYLNCHR0001: The path 'null' does not exist
at org.wildfly.core.launcher.Environment.validateWildFlyDir(Environment.java:313)
at org.wildfly.core.launcher.AbstractCommandBuilder.validateWildFlyDir(AbstractCommandBuilder.java:652)

并且 JUnit 无法启动容器。

Answer 1

单独焊接不会注入 EJB。也许您可以尝试使用扩展焊接的 ejb-cdi-unit，以便像普通 bean 一样注入 ejbs。

我如何使用 Junit 测试 return 一个 MongoClient 的 Singleton EJB？

How i can use Junit to test a Singleton EJB that return a MongoClient?

junit

unit-testing

ejb

jboss-arquillian

jakarta-ee