Session bean test

With EJB3Unit you can create and test session beans outside the container. Every test can may be setup with a predefined set of data (see Data Sets. This data is loaded using predefined data sets (CSV files) into the database. This means every test can rely on a well defined set of data, loaded into the database, every time a test is executed. EJB3Unit supports EJB 3 dependency injection, life cycle methods and other EJB 3 features for statefull and stateless session beans. Jndi lookup is also supported!

Currently following dependeny injection attributes are supported:

  1. @EJB dependency injection of other Stateless/Statefull session beans. The Session bean implementation is discovered automatically at runtime
  2. @Resource dependency injection is supported for following resources:
  3. @DataSource : A data source implementation is Injected (conform to the Ejb3Unit) settings
  4. @PersistenceContext EntityManager: A full function implementation of the EJB 3.0 EntityManager is injected automatically
  5. @Resource TimerService: A simple implementation of the TimerService is injected
    public class MySessionBeanTest extends
                    BaseSessionBeanFixture<MySessionBean> {
            private static final Class[] usedBeans = { StockWKNBo.class };
            private static final CSVInitialDataSet CSV_SET = 
                    new CSVInitialDataSet<StockWKNBo>(
                            StockWKNBo.class, "germanStocks.csv", 
                            "wkn", "stockName", "isin");
             * Constructor.
            public MySessionBeanTest() {
                    super(MySessionBean.class, usedBeans,
             * Testmethod.
            public void testBaunWithPreloadedData() {
                    MySessionBean toTest = this.getBeanToTest();

    This test will load the in memory database, or a user defined database, with a data defined in the "germanStocks.csv". This unit test tests the session bean against the configured database (default is the in memory database). In this example the test is using only a single entity bean named "StockWKNBo.class" and only one CSV data set. If a session bean is interacting with multiple entity beans and multiple db tables, the test has to be adapted, by adding these entity beans und unsing multiple CSV data loaders.

JNDI lookup

Every Session bean test will start a in memory JNDI server and load add Session bean or POJO's to the local JNDI tree. To use this fature you have to add following lines of code to your config

#What to bind to the JNDI Context

This will bind the class MySessionBean under the JNDI name "ejb/MySessionBean". You can make the Lookup as usual in your application. Please add the following line to your