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| |
| <h1>JUnit 5: Application Composer</h1> |
| </div> |
| </div> |
| </div> |
| <div class="row"> |
| |
| <div class="col-md-12"> |
| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>The <code>org.apache.openejb.junit5.ApplicationComposerExtension</code> is a <strong>JUnit 5 extension</strong> internally re-using <code>ApplicationComposers</code>, which has been used in the JUnit test runner ( <code>ApplicationComposer</code>) for testing OpenEJB in recent years. It involves no classpath scanning at all. If you want something to be in the app, you must build it directly in your testcase.</p> |
| </div> |
| <div class="paragraph"> |
| <p>With the <code>RunWithApplicationComposer</code> you can do identical testing that OpenEJB uses internally, but with limited dependency on OpenEJB itself. |
| The main dependency is:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-xml" data-lang="xml"><dependency> |
| <groupId>org.apache.tomee</groupId> |
| <artifactId>openejb-junit5</artifactId> |
| <version>${openejb.version}</version> |
| </dependency></code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Make sure to use a maven surefire version greater or equal to <code>3.0.0-M5</code> and add the required dependencies for JUnit 5.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_composing_an_application">Composing an Application</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>The main difference to the embedded <code>EJBContainer</code> API is building the application in the test code. This is done with one or more methods in the test case annotated |
| with <code>org.apache.openejb.testing.Module</code> using the following format:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-java" data-lang="java">@Module |
| public <return-value> <module-name>() {</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Where <strong>module-name</strong> is the name you wish to use for that module and <strong>return-value</strong> can be any one of the following:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>java.lang.Class</p> |
| </li> |
| <li> |
| <p>java.lang.Class[]</p> |
| </li> |
| <li> |
| <p>org.apache.openejb.jee.EjbJar</p> |
| </li> |
| <li> |
| <p>org.apache.openejb.jee.EnterpriseBean</p> |
| </li> |
| <li> |
| <p>org.apache.openejb.jee.Application</p> |
| </li> |
| <li> |
| <p>org.apache.openejb.jee.Connector</p> |
| </li> |
| <li> |
| <p>org.apache.openejb.jee.Beans</p> |
| </li> |
| <li> |
| <p>org.apache.openejb.jee.jpa.unit.Persistence</p> |
| </li> |
| <li> |
| <p>org.apache.openejb.jee.jpa.unit.PersistenceUnit</p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_example">Example</h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Used in an actual testcase, that might look like so:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-java" data-lang="java">import org.apache.openejb.jee.EjbJar; |
| import org.apache.openejb.jee.StatefulBean; |
| import org.apache.openejb.jee.jpa.unit.PersistenceUnit; |
| import org.apache.openejb.junit5.RunWithApplicationComposer; |
| import org.apache.openejb.testing.Configuration; |
| import org.apache.openejb.testing.Module; |
| import org.junit.jupiter.api.Test; |
| |
| import javax.annotation.Resource; |
| import javax.ejb.EJB; |
| import javax.persistence.EntityManager; |
| import javax.persistence.PersistenceContext; |
| import javax.transaction.UserTransaction; |
| import java.util.List; |
| import java.util.Properties; |
| |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| |
| @RunWithApplicationComposer |
| public class MoviesTest { |
| |
| @EJB |
| private Movies movies; |
| |
| @Resource |
| private UserTransaction userTransaction; |
| |
| @PersistenceContext |
| private EntityManager entityManager; |
| |
| @Module |
| public PersistenceUnit persistence() { |
| PersistenceUnit unit = new PersistenceUnit("movie-unit"); |
| unit.setJtaDataSource("movieDatabase"); |
| unit.setNonJtaDataSource("movieDatabaseUnmanaged"); |
| unit.getClazz().add(Movie.class.getName()); |
| unit.setProperty("openjpa.jdbc.SynchronizeMappings", "buildSchema(ForeignKeys=true)"); |
| return unit; |
| } |
| |
| @Module |
| public EjbJar beans() { |
| EjbJar ejbJar = new EjbJar("movie-beans"); |
| ejbJar.addEnterpriseBean(new StatefulBean(MoviesImpl.class)); |
| return ejbJar; |
| } |
| |
| @Configuration |
| public Properties config() throws Exception { |
| Properties p = new Properties(); |
| p.put("movieDatabase", "new://Resource?type=DataSource"); |
| p.put("movieDatabase.JdbcDriver", "org.hsqldb.jdbcDriver"); |
| p.put("movieDatabase.JdbcUrl", "jdbc:hsqldb:mem:moviedb"); |
| return p; |
| } |
| |
| @Test |
| public void test() throws Exception { |
| |
| userTransaction.begin(); |
| |
| try { |
| entityManager.persist(new Movie("Quentin Tarantino", "Reservoir Dogs", 1992)); |
| entityManager.persist(new Movie("Joel Coen", "Fargo", 1996)); |
| entityManager.persist(new Movie("Joel Coen", "The Big Lebowski", 1998)); |
| |
| List<Movie> list = movies.getMovies(); |
| assertEquals(3, list.size(), "List.size()"); |
| |
| for (Movie movie : list) { |
| movies.deleteMovie(movie); |
| } |
| |
| assertEquals(0, movies.getMovies().size(), "Movies.getMovies()"); |
| |
| } finally { |
| userTransaction.commit(); |
| } |
| } |
| }</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_apis_used">APIs Used</h2> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="../../latest/javadoc/org/apache/openejb/jee/EjbJar.html">org.apache.openejb.jee.EjbJar</a></p> |
| </li> |
| <li> |
| <p><a href="../../latest/javadoc/org/apache/openejb/jee/StatefulBean.html">org.apache.openejb.jee.StatefulBean</a></p> |
| </li> |
| <li> |
| <p><a href="../../latest/javadoc/org/apache/openejb/jee/jpa/unit/PersistenceUnit.html">org.apache.openejb.jee.jpa.unit.PersistenceUnit</a></p> |
| </li> |
| <li> |
| <p><a href="../../latest/javadoc/org/apache/openejb/junit5/RunWithApplicationComposer.html">org.apache.openejb.junit5.RunWithApplicationComposer</a></p> |
| </li> |
| <li> |
| <p><a href="../../latest/javadoc/org/apache/openejb/testing/Configuration.html">org.apache.openejb.testing.Configuration</a></p> |
| </li> |
| <li> |
| <p><a href="../../latest/javadoc/org/apache/openejb/testing/Module.html">org.apache.openejb.testing.Module</a></p> |
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