diff --git a/lemonldap-ng-portal/MANIFEST b/lemonldap-ng-portal/MANIFEST
index 6343a4c98..041b69367 100644
--- a/lemonldap-ng-portal/MANIFEST
+++ b/lemonldap-ng-portal/MANIFEST
@@ -421,4 +421,7 @@ t/sessions/lock/.exists
 t/sessions/saml/lock/.exists
 t/sessions2/6e30af4ffa5689b3e49a104d1b160d316db2b2161a0f45776994eed19dbdc101
 t/sessions2/lock/Apache-Session-6e30af4ffa5689b3e49a104d1b160d316db2b2161a0f45776994eed19dbdc101.lock
+t/test-ldap.pm
 t/test-lib.pm
+t/testslapd/slapd.ldif
+t/testslapd/users.ldif
diff --git a/lemonldap-ng-portal/t/21-Auth-and-password-LDAP.t b/lemonldap-ng-portal/t/21-Auth-and-password-LDAP.t
index 9b57b576b..6a2d1d876 100644
--- a/lemonldap-ng-portal/t/21-Auth-and-password-LDAP.t
+++ b/lemonldap-ng-portal/t/21-Auth-and-password-LDAP.t
@@ -7,7 +7,8 @@ require 't/test-lib.pm';
 my $res;
 
 SKIP: {
-    skip 'No LDAP server given', 1 unless ( $ENV{LDAPSERVER} );
+    skip 'LLNGTESTLDAP is not set', 1 unless ( $ENV{LLNGTESTLDAP} );
+    require 't/test-ldap.pm';
 
     my $client = LLNG::Manager::Test->new(
         {
@@ -18,11 +19,10 @@ SKIP: {
                 portal          => 'http://auth.example.com/',
                 userDB          => 'Same',
                 registerDB      => 'LDAP',
-                LDAPFilter      => $ENV{LDAPFILTER} || '(cn=$user)',
-                ldapServer      => $ENV{LDAPSERVER},
-                ldapBase        => $ENV{LDAPBASE},
-                managerDn       => $ENV{MANAGERDN} || '',
-                managerPassword => $ENV{MANAGERPASSWORD} || '',
+                ldapServer      => 'ldap://127.0.0.1:19389/',
+                ldapBase        => 'dc=example,dc=com',
+                managerDn       => '',
+                managerPassword => '',
             }
         }
     );
@@ -47,4 +47,5 @@ SKIP: {
     clean_sessions();
 }
 count(1);
+stopLdapServer();
 done_testing( count() );
diff --git a/lemonldap-ng-portal/t/test-ldap.pm b/lemonldap-ng-portal/t/test-ldap.pm
new file mode 100644
index 000000000..13d8dc9dc
--- /dev/null
+++ b/lemonldap-ng-portal/t/test-ldap.pm
@@ -0,0 +1,20 @@
+# Try to launch an LDAP server
+
+if($ENV{LLNGTESTLDAP}) {
+    eval { mkdir 't/testslapd/data' };
+    system('/usr/sbin/slapadd -F t/testslapd/ -n 0 -l t/testslapd/slapd.ldif');
+    system('/usr/sbin/slapadd -F t/testslapd/ -l t/testslapd/users.ldif');
+    system('/usr/sbin/slapd -h "ldap://127.0.0.1:19389/" -F t/testslapd');
+}
+
+sub stopLdapServer {
+    if($ENV{LLNGTESTLDAP}) {
+        open F, 't/testslapd/slapd.pid';
+        my $pid = join '', <F>;
+        system "kill $pid";
+        system 'rm -rf t/testslapd/cn\=config*';
+        system 'rm -rf t/testslapd/data';
+    }
+}
+
+1;
diff --git a/lemonldap-ng-portal/t/testslapd/slapd.ldif b/lemonldap-ng-portal/t/testslapd/slapd.ldif
new file mode 100644
index 000000000..4ae4ca1ee
--- /dev/null
+++ b/lemonldap-ng-portal/t/testslapd/slapd.ldif
@@ -0,0 +1,63 @@
+dn: cn=config
+objectClass: olcGlobal
+cn: config
+olcPidFile: t/testslapd/slapd.pid
+olcAttributeOptions: x-hidden lang-
+
+dn: cn=schema,cn=config
+objectClass: olcSchemaConfig
+cn: schema
+
+include: file:///etc/ldap/schema/core.ldif
+include: file:///etc/ldap/schema/cosine.ldif
+include: file:///etc/ldap/schema/nis.ldif
+include: file:///etc/ldap/schema/inetorgperson.ldif
+
+dn: olcDatabase=frontend,cn=config
+objectClass: olcDatabaseConfig
+objectClass: olcFrontendConfig
+olcDatabase: frontend
+olcAccess: to attrs=name;x-hidden by * =cs
+olcAccess: to attrs=userPassword  by * auth
+olcAccess: to * by * read
+
+dn: olcDatabase=config,cn=config
+objectClass: olcDatabaseConfig
+olcDatabase: config
+olcRootPW: admin
+olcAccess: to * by * none
+
+dn: cn=module,cn=config
+objectClass: olcModuleList
+cn: module
+# Where the dynamically loaded modules are stored
+olcModulePath: /usr/lib/ldap
+olcModuleLoad: back_mdb
+
+dn: olcDatabase=mdb,cn=config
+objectClass: olcDatabaseConfig
+objectClass: olcMdbConfig
+olcDatabase: mdb
+olcSuffix: dc=example,dc=com
+olcDbDirectory: t/testslapd/data
+olcAccess: to * by * read
+olcRootDN: cn=admin,dc=example,dc=com
+olcRootPW: admin
+olcAccess: to * by * read
+olcLastMod: TRUE
+
+#dn: olcDatabase=ldap,cn=config
+#objectClass: olcDatabaseConfig
+#objectClass: olcLdapConfig
+#olcDatabase: ldap
+#olcSuffix: ""
+#olcDbUri: ldap://auth.example.com:19389/
+
+#dn: uid=dwho,dc=example,dc=com
+#objectClass: inetOrgPerson
+#olcDatabase: mdb
+#uid: dwho
+#cn: Dr Who
+#mail: dwho
+#userPassword: dwho
+
diff --git a/lemonldap-ng-portal/t/testslapd/users.ldif b/lemonldap-ng-portal/t/testslapd/users.ldif
new file mode 100644
index 000000000..224d2ad79
--- /dev/null
+++ b/lemonldap-ng-portal/t/testslapd/users.ldif
@@ -0,0 +1,15 @@
+dn: dc=example,dc=com
+objectClass: top
+objectClass: organization
+objectClass: dcObject
+dc: example
+o: Example
+
+dn: uid=dwho,dc=example,dc=com
+objectClass: inetOrgPerson
+uid: dwho
+cn: Dr Who
+sn: Who
+mail: dwho
+userPassword: dwho
+