public void testJndiConnection() throws NamingException {
    // Cannot guarantee that this test will work if they have chosen to
    // resolve data sources other than by JNDI.
    if (MondrianProperties.instance().DataSourceResolverClass.isSet()) {
      return;
    }
    // get a regular connection
    Util.PropertyList properties = TestContext.instance().getConnectionProperties().clone();
    final StringBuilder buf = new StringBuilder();
    final DataSource dataSource = RolapConnection.createDataSource(null, properties, buf);
    // Don't know what the connect string is - it differs with database
    // and with the user's set up - but we know that it contains a JDBC
    // connect string. Best we can do is check that createDataSource is
    // setting it to something.
    final String desc = buf.toString();
    assertTrue(desc, desc.startsWith("Jdbc="));

    final List<String> lookupCalls = new ArrayList<String>();
    // mock the JNDI naming manager to provide that datasource
    THREAD_INITIAL_CONTEXT.set(
        // Use lazy initialization. Otherwise during initialization of this
        // initial context JNDI tries to create a default initial context
        // and bumps into itself coming the other way.
        new InitialContext(true) {
          public Object lookup(String str) {
            lookupCalls.add("Called");
            return dataSource;
          }
        });

    // Use the datasource property to connect to the database.
    // Remove user and password, because some data sources (those using
    // pools) don't allow you to override user.
    Util.PropertyList properties2 = TestContext.instance().getConnectionProperties().clone();
    properties2.remove(RolapConnectionProperties.Jdbc.name());
    properties2.remove(RolapConnectionProperties.JdbcUser.name());
    properties2.remove(RolapConnectionProperties.JdbcPassword.name());
    properties2.put(RolapConnectionProperties.DataSource.name(), "jnditest");
    DriverManager.getConnection(properties2, null);

    // if we've made it here with lookupCalls,
    // we've successfully used JNDI
    assertTrue(lookupCalls.size() > 0);
  }
  public void testDataSourceOverrideUserPass() throws SQLException, NamingException {
    // use the datasource property to connect to the database
    Util.PropertyList properties = TestContext.instance().getConnectionProperties().clone();
    final Dialect dialect = TestContext.instance().getDialect();
    if (dialect.getDatabaseProduct() == Dialect.DatabaseProduct.ACCESS) {
      // Access doesn't accept user/password, so this test is pointless.
      return;
    }

    final String jdbcUser = properties.get(RolapConnectionProperties.JdbcUser.name());
    final String jdbcPassword = properties.get(RolapConnectionProperties.JdbcPassword.name());
    if (jdbcUser == null || jdbcPassword == null) {
      // Can only run this test if username and password are explicit.
      return;
    }

    // Define a data source with bogus user and password.
    properties.put(RolapConnectionProperties.JdbcUser.name(), "bogususer");
    properties.put(RolapConnectionProperties.JdbcPassword.name(), "boguspassword");
    properties.put(RolapConnectionProperties.PoolNeeded.name(), "false");
    final StringBuilder buf = new StringBuilder();
    final DataSource dataSource = RolapConnection.createDataSource(null, properties, buf);
    final String desc = buf.toString();
    assertTrue(desc, desc.startsWith("Jdbc="));
    assertTrue(desc, desc.indexOf("JdbcUser=bogususer; JdbcPassword=boguspassword") >= 0);
    final String jndiName = "jndiDataSource";
    THREAD_INITIAL_CONTEXT.set(
        new InitialContext() {
          public Object lookup(String str) {
            return str.equals(jndiName) ? dataSource : null;
          }
        });

    // Create a property list that we will use for the actual mondrian
    // connection. Replace the original JDBC info with the data source we
    // just created.
    final Util.PropertyList properties2 = new Util.PropertyList();
    for (Pair<String, String> entry : properties) {
      properties2.put(entry.getKey(), entry.getValue());
    }
    properties2.remove(RolapConnectionProperties.Jdbc.name());
    properties2.put(RolapConnectionProperties.DataSource.name(), jndiName);

    // With JdbcUser and JdbcPassword credentials in the mondrian connect
    // string, the data source's "user" and "password" properties are
    // overridden and the connection succeeds.
    properties2.put(RolapConnectionProperties.JdbcUser.name(), jdbcUser);
    properties2.put(RolapConnectionProperties.JdbcPassword.name(), jdbcPassword);
    mondrian.olap.Connection connection = null;
    try {
      connection = DriverManager.getConnection(properties2, null);
      Query query = connection.parseQuery("select from [Sales]");
      final Result result = connection.execute(query);
      assertNotNull(result);
    } finally {
      if (connection != null) {
        connection.close();
        connection = null;
      }
    }

    // If we don't specify JdbcUser and JdbcPassword in the mondrian
    // connection properties, mondrian uses the data source's
    // bogus credentials, and the connection fails.
    properties2.remove(RolapConnectionProperties.JdbcUser.name());
    properties2.remove(RolapConnectionProperties.JdbcPassword.name());
    for (String poolNeeded : Arrays.asList("false", "true")) {
      // Important to test with & without pooling. Connection pools
      // typically do not let you change user, so it's important that
      // mondrian handles these right.
      properties2.put(RolapConnectionProperties.PoolNeeded.name(), poolNeeded);
      try {
        connection = DriverManager.getConnection(properties2, null);
        fail("Expected exception");
      } catch (MondrianException e) {
        final String s = TestContext.getStackTrace(e);
        assertTrue(
            s,
            s.indexOf("Error while creating SQL connection: " + "DataSource=jndiDataSource") >= 0);
        switch (dialect.getDatabaseProduct()) {
          case DERBY:
            assertTrue(
                s,
                s.indexOf(
                        "Caused by: java.sql.SQLException: " + "Schema 'BOGUSUSER' does not exist")
                    >= 0);
            break;
          case ORACLE:
            assertTrue(
                s,
                s.indexOf(
                        "Caused by: java.sql.SQLException: ORA-01017: "
                            + "invalid username/password; logon denied")
                    >= 0);
            break;
          case MYSQL:
            assertTrue(
                s,
                s.indexOf(
                        "Caused by: java.sql.SQLException: Access denied " + "for user 'bogususer'")
                    >= 0);
            break;
          case POSTGRESQL:
            assertTrue(
                s,
                s.indexOf(
                        "Caused by: org.postgresql.util.PSQLException: "
                            + "FATAL: password authentication failed for "
                            + "user \"bogususer\"")
                    >= 0);
            break;
        }
      } finally {
        if (connection != null) {
          connection.close();
          connection = null;
        }
      }
    }
  }