LdapManager ldapManager = new LdapManager();
        ldapManager.init();

        assertEquals("_", ldapManager.replaceWithUnderscores("/"));
        assertEquals("_", ldapManager.replaceWithUnderscores("\\"));
        assertEquals("_", ldapManager.replaceWithUnderscores("["));
        assertEquals("_", ldapManager.replaceWithUnderscores("]"));
        assertEquals("_", ldapManager.replaceWithUnderscores(":"));

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN"
	"http://dbflute.org/meta/lastadi10.dtd">
<components>
	<component name="ldapManager" class="org.codelibs.fess.ldap.LdapManager">
	</component>

            if (StringUtil.isNotBlank(baseDn) && StringUtil.isNotBlank(accountFilter)) {
                final LdapManager ldapManager = ComponentUtil.getLdapManager();
                permissions = distinct(ArrayUtils.addAll(ldapManager.getRoles(this, baseDn, accountFilter, groupFilter, roles -> {
                    permissions = distinct(roles);

        user.setRoles(new String[] { "role1", "role2" });
        user.setGroups(new String[] { "group1", "group2" });
        return user;
    }

    // Test LdapManager implementation
    private static class TestLdapManager extends LdapManager {
        boolean insertCalled = false;
        boolean deleteCalled = false;
        boolean changePasswordCalled = false;
        boolean applyCalled = false;