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POHow can I bind a DataSource to an InitialContext for JUnit testing?
 

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  1. POHow can I bind a DataSource to an InitialContext for JUnit testing?
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    <p>I'm trying to run JUnit tests on database "worker" classes that do a jndi lookup on an <code>InitialContext</code> to get a <code>DataSource</code>. The worker classes are usually running on a Glassfish v3 App Server which has the appropriate jdbc resources defined.</p> <p>The code runs just fine when deployed on the App Server but doesn't run from the JUnit testing environment, because obviously it can't find the jndi resources. So I tried to setup an InitialContext in the test class that binds a datasource to the appropriate context, but it doesn't work.</p> <p>Here is the code I have in the test</p> <pre><code>@BeforeClass public static void setUpClass() throws Exception { try { // Create initial context System.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.apache.naming.java.javaURLContextFactory"); System.setProperty(Context.URL_PKG_PREFIXES, "org.apache.naming"); InitialContext ic = new InitialContext(); ic.createSubcontext("java:"); ic.createSubcontext("java:/comp"); ic.createSubcontext("java:/comp/env"); ic.createSubcontext("java:/comp/env/jdbc"); // Construct DataSource SQLServerConnectionPoolDataSource testDS = new SQLServerConnectionPoolDataSource(); testDS.setServerName("sqlserveraddress"); testDS.setPortNumber(1433); testDS.setDatabaseName("dbname"); testDS.setUser("username"); testDS.setPassword("password"); ic.bind("java:/comp/env/jdbc/TestDS", testDS); DataWorker dw = DataWorker.getInstance(); } catch (NamingException ex) { Logger.getLogger(TitleTest.class.getName()).log(Level.SEVERE, null, ex); } } </code></pre> <p>Then the <code>DataWorker</code> class has a method with the following code, more or less </p> <pre><code>InitialContext ic = null; DataSource ds = null; Connection c = null; PreparedStatement ps = null; ResultSet rs = null; String sql = "SELECT column FROM table"; try{ ic = new InitialContext(); ds = (DataSource) ic.lookup("jdbc/TestDS"); c = ds.getConnection(); ps = c.prepareStatement(sql); // Setup the Prepared Statement rs = ps.executeQuery(); if(rs.next){ //Process Results } }catch(NamingException e){ throw new RuntimeException(e); }finally{ //Close the ResultSet, PreparedStatement, Connection, InitialContext } </code></pre> <p>If I change the<br> <code>ic.createSubContext("java:/comp/env/jdbc");</code><br> <code>ic.bind("java:/comp/env/jdbc/TestDS",testDS)</code>;<br> lines to<br> <code>ic.createSubContext("jdbc");</code><br> <code>ic.bind("jdbc/TestDS",testDS);</code><br> The worker class is able to find the DataSource, but fails giving an error saying that "username failed to login to the server".</p> <p>If I pass the DataSource that I create in the JUnit method directly into the worker, it can connect and run queries. </p> <p><strong>So, I would like to know how to bind a DataSource that can be looked up by the worker class without being in the Web Container.</strong></p>
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