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| <small><a href="./../index.html">Home</a> » <a href="./../dev/">Dev</a></small><br> |
| <h1>Creating itests |
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| |
| <p><a name="Creatingitests-OpenEJBitests"></a></p> |
| |
| <h1>OpenEJB itests</h1> |
| |
| <p>The OpenEJB itests module is a framework to create EJB test cases that are |
| designed according to the JUnit rules, i.e. they all have setUp, tests and |
| tearDown methods. Since it's JUnit-based, you can do whatever you could do |
| in JUnit.</p> |
| |
| <p>This page describes the steps to create EJB test cases.</p> |
| |
| <p><a name="Creatingitests-Howitestswork"></a></p> |
| |
| <h2>How itests work</h2> |
| |
| <p>The itests module lives in OpenEJB's repository in the <em>modules\itests</em> directory. Setting up the test environment to execute the itests is based on (<a href="http://svn.apache.org/repos/asf/maven/maven-1/plugins-sandbox/trunk/itest/">maven-itest-plugin-1.0 plugin</a> |
| ). </p> |
| |
| <p>Take a look at maven.xml in modules\itests directory. There you'll see that |
| the default goal is <em>ejb:install</em>, which in turn executes <em>itest</em>. When the |
| EJBs (todo: describe it a bit more) are done, the <em>itest:setup</em> goal is |
| executed, which starts the real game. First, <em>org/openejb/Security</em> |
| configuration is started. Once it's done, <em>openejb-itests-xxx.jar</em> is |
| deployed, which is <em>org/openejb/Itests</em> configuration to be started, |
| afterwards. When the configurations are deployed and started, the |
| maven-itest-plugin executes junit (see <a href="http://ant.apache.org/manual/OptionalTasks/junit.html">Ant JUnit task documentation</a> |
| and project.properties of the itests module). The project.properties file |
| configures which itests are run and some other stuff.</p> |
| |
| <p>The first itest test case is <em>org.openejb.test.entity.cmp.CmpTestSuite</em>. |
| Consult this for more information. Then the others defined in |
| <em>maven.itest.includes</em> property are executed.</p> |
| |
| <p>The order in which the itests are executed is important, so the first order |
| is set up via the maven.itest.includes property, then the test suites add |
| their tests in some order, and finally the method names in the test classes |
| put yet another order. So, be careful what name your test method name will |
| become. It may influence the order.</p> |
| |
| <p>Some EJBs access database resources. It's even more important for CMPs. The |
| itests module uses the database as defined in the <em>openejb.test.database</em> |
| property. It's currently defined in the <em>project.properties</em> file of the |
| module. You can change its value to whatever you wish using the Maven |
| property setting approaches (-D on the command line, project.properties, |
| build.properties in your home directory or the project you work in).</p> |
| |
| <p>So, the last important information is how the junit tests access the server |
| resources - EJBs. It's done via executing session beans that in turn get at |
| the test EJBs, mostly CMPs. It's also possible that the CMP itests will be |
| accessed directly without having to pass on the call through a session |
| bean.</p> |
| |
| <p>If itests are part of a larger project structure you can disable executing |
| it using the <em>maven.itest.skip</em> property. Set it to <em>true</em> and Maven won't |
| run the itests.</p> |
| |
| <p><a name="Creatingitests-SimpleCMP2.1itest"></a></p> |
| |
| <h2>Simple CMP 2.1 itest</h2> |
| |
| <p><a name="Creatingitests-Databasesetup"></a></p> |
| |
| <h3>Database setup</h3> |
| |
| <p>The itests default database is Derby. The class - |
| <em>org.openejb.test.DerbyTestDatabase</em> - is instantiated upon executing |
| <em>org.openejb.testTestManager.getDatabase()</em> in each test case's <em>setUp()</em> |
| method. Remember, you can define any other database using the |
| <em>openejb.test.database</em> property or do initialization of your own database |
| choice in the setUp() method.</p> |
| |
| <p>The current implementation of database initialization is based on two |
| DerbyTestDatabse methods: <em>createCMP2Model()</em> and <em>dropCMP2Model()</em> that |
| create and drop database structure, accordingly.</p> |
| |
| <p><a name="Creatingitests-CMP2.1deployment"></a></p> |
| |
| <h3>CMP 2.1 deployment</h3> |
| |
| <p><div class="info">:title=Information} |
| Unless specified, all directories are relative to <em>modules/itests</em> |
| directory and commands are executed in it.<div class="info">}</p> |
| |
| <p>A Maven project can produce one build artefact. It's very important to keep |
| in mind whenever your tests are to be based on a EJB that's not built by |
| default. The default EJBs are defined in |
| <em>modules/itests/src/ejb/META-INF/ejb-jar.xml</em>. The corresponding deployment |
| plan - the <em>openejb-jar.xml</em> file is in |
| <em>modules/itests/src/ejb/META-INF/openejb-jar.xml</em>.</p> |
| |
| <p>If you want to test your own EJB, you need to build it yourself, i.e. |
| describe the build and deployment in <em>modules/itests/maven.xml</em> in the |
| pregoal of <em>itest:setup</em>.</p> |
| |
| <p>In the following example, Ant's jar builds openejb-cmp2-petstore.jar file, |
| which in turn is distributed and started in Geronimo. The <em>id</em> attribute of |
| <em>deploy:start</em> is as specified in the module's deployment plan. See <a href="http://wiki.apache.org/geronimo/Deployment">Geronimo Deployment</a> |
| for more information about Geronimo deployment plans.</p> |
| |
| <pre><code><ant:jar destfile="${basedir}/target/openejb-cmp2-petstore.jar"> |
| <fileset dir="${basedir}/target/classes"> |
| <include name="**/cmp2/petstore/*.class"/> |
| <include name="**/TestFailureException.class"/> |
| </fileset> |
| <metainf dir="${basedir}/src/cmp2/petstore" includes="*.xml"/> |
| </ant:jar> |
| <deploy:distribute |
| uri="deployer:geronimo:jmx:rmi://localhost/jndi/rmi:/JMXConnector" |
| username="system" |
| password="manager" |
| module="${basedir}/target/openejb-cmp2-petstore.jar" |
| /> |
| <deploy:start |
| uri="deployer:geronimo:jmx:rmi://localhost/jndi/rmi:/JMXConnector" |
| username="system" |
| password="manager" |
| id="org/openejb/cmp2/petstore"/> |
| </code></pre> |
| |
| <p><a name="Creatingitests-Execution"></a></p> |
| |
| <h3>Execution</h3> |
| |
| <p>When EJB classes, deployment descriptor and plan, maven.xml are all set up, |
| it's time to execute your tests. In order to run itests you will run Maven |
| in <em>modules/itests</em> directory.</p> |
| |
| <pre><code>~/openejb/modules/itests |
| $ maven |
| </code></pre> |
| |
| <p>It's also possible to override project properties and run only some test |
| cases.</p> |
| |
| <pre><code>~/openejb/modules/itests |
| $ maven -Dmaven.itest.includes=**/Cmp2TestSuite.java |
| </code></pre> |
| |
| <p>When a failure occurs, you should take a look at the result file of the |
| failed test suite in <em>target/itest-reports</em>, e.g.</p> |
| |
| <pre><code>~/openejb/modules/itests |
| $ maven -Dmaven.itest.includes=**/Cmp2TestSuite.java -o |
| ... |
| [junit] |
| </code></pre> |
| |
| <p>Tests run: 113, Failures: 1, Errors: 0, Time elapsed: 22,132 sec |
| [junit] |
| [ERROR] |
| TEST org.openejb.test.entity.cmp2.Cmp2TestSuite FAILED |
| ... |
| BUILD FAILED |
| File...... C:\Documents and |
| Settings\root.maven\cache\maven-itest-plugin-1.0\plugin.jelly |
| Element... fail |
| Line...... 166 |
| Column.... 64 |
| There were test failures. |
| Total time: 2 minutes 3 seconds |
| Finished at: Sun Jul 17 17:48:36 CEST 2005</p> |
| |
| <pre><code>$ more |
| </code></pre> |
| |
| <p>target/itest-reports/TEST-org.openejb.test.entity.cmp2.Cmp2TestSuite.txt |
| Testsuite: org.openejb.test.entity.cmp2.Cmp2TestSuite |
| Tests run: 113, Failures: 1, Errors: 0, Time elapsed: 22,132 sec</p> |
| |
| <pre><code>Testcase: PetstoreTests.create: FAILED |
| Received Exception class java.lang.NullPointerException : null |
| junit.framework.AssertionFailedError: Received Exception class |
| </code></pre> |
| |
| <p>java.lang.NullPointerException : null |
| at |
| org.openejb.test.entity.cmp2.PetstoreTests.test01_create(PetstoreTests.java:84) |
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) |
| at |
| sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) |
| at |
| sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) |
| at |
| org.openejb.test.NumberedTestCase.runTestMethod(NumberedTestCase.java:195) |
| at |
| org.openejb.test.NumberedTestCase$3.protect(NumberedTestCase.java:169) |
| at org.openejb.test.NumberedTestCase.run(NumberedTestCase.java:172) |
| at org.openejb.test.NumberedTestCase.run(NumberedTestCase.java:141) |
| at org.openejb.test.TestSuite.run(TestSuite.java:71) |
| ...</p> |
| |
| <p>Complete execution log is in <em>target/openejb/var/log/openejb.log</em> of the |
| itests module.</p> |
| |
| <p><a name="Creatingitests-RunningtheTestsinEclipse."></a></p> |
| |
| <h4>Running the Tests in Eclipse.</h4> |
| |
| <p>The steps for running the iTests inside of Eclipse are given below. They |
| are</p> |
| |
| <p>1) For Local Interface Tests, the class to be run is |
| <em>org.apache.openejb.iTest</em>. |
| 2) For Remote Interface Tests, the class to be run is |
| <em>org.apache.openejb.RemoteiTest</em>.</p> |
| |
| <p>In both the cases you need to give <em>'-Dopenejb.home=target/test-classes/'</em> |
| as a vm argument |
| for the tests to run. </p> |
| |
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