diff --git a/include/constant.php b/include/constant.php
index d157706d8..cb856c36b 100644
--- a/include/constant.php
+++ b/include/constant.php
@@ -108,7 +108,7 @@ if ( !defined ("NOALYSS_PACKAGE_REPOSITORY")) {
 if ( ! defined ("SYSINFO_DISPLAY")) {
     define ("SYSINFO_DISPLAY",TRUE);
 }
-define ("DBVERSION",137);
+define ("DBVERSION",138);
 define ("MONO_DATABASE",25);
 define ("DBVERSIONREPO",18);
 define ('NOTFOUND','--not found--');
diff --git a/include/sql/patch/upgrade137.sql b/include/sql/patch/upgrade137.sql
new file mode 100644
index 000000000..2d83eb303
--- /dev/null
+++ b/include/sql/patch/upgrade137.sql
@@ -0,0 +1,6 @@
+begin;
+insert into "parameter" (pr_id,pr_value) values ('MY_ANC_FILTER','6,7');
+
+
+insert into version (val,v_description) values (138,'Analytic improve');
+commit ;
\ No newline at end of file
diff --git a/unit-test/include/class/noalyss_parameter_folderTest.class.php b/unit-test/include/class/noalyss_parameter_folderTest.class.php
new file mode 100644
index 000000000..091830c19
--- /dev/null
+++ b/unit-test/include/class/noalyss_parameter_folderTest.class.php
@@ -0,0 +1,183 @@
+<?php
+
+/*
+ *   This file is part of NOALYSS.
+ *
+ *   PhpCompta is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   PhpCompta is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with PhpCompta; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+// Copyright (2018) Author Dany De Bontridder <dany@alchimerys.be>
+
+use PHPUnit\Framework\TestCase;
+function trim_parameter($p_value){
+    return;
+}
+/**
+ * Generated by PHPUnit_SkeletonGenerator on 2017-11-26 at 11:24:04.
+ */
+class Noalyss_Parameter_FolderTest extends TestCase
+{
+
+    protected $object;
+    private $a_param;
+    /**
+     * Sets up the fixture, for example, opens a network connection.
+     * This method is called before a test is executed.
+     * 
+     */
+    protected function setUp()
+    {
+        global $g_connection, $g_user;
+        $_REQUEST['gDossier']=DOSSIER;
+        $g_connection=new Database(DOSSIER);
+        $g_user=new User($g_connection);
+        $this->object=new Noalyss_Parameter_Folder($g_connection);
+        $this->a_param=explode(",","MY_COUNTRY,".                 
+                                    "MY_DEFAULT_ROUND_ERROR_DEB,". 
+                                    "MY_DEFAULT_ROUND_ERROR_CRED,".
+                                    "MY_ANC_FILTER,".              
+                                    "MY_NAME,".                    
+                                    "MY_TVA,".                     
+                                    "MY_STREET,".                  
+                                    "MY_NUMBER,".                  
+                                    "MY_CP,".                      
+                                    "MY_TEL,".                     
+                                    "MY_PAYS,".                    
+                                    "MY_COMMUNE,".                 
+                                    "MY_FAX,".                     
+                                    "MY_ANALYTIC,".                
+                                    "MY_STRICT,".                  
+                                    "MY_TVA_USE,".                 
+                                    "MY_PJ_SUGGEST,".              
+                                    "MY_CHECK_PERIODE,".           
+                                    "MY_DATE_SUGGEST,".            
+                                    "MY_ALPHANUM,".                
+                                    "MY_UPDLAB,".                  
+                                    "MY_STOCK");
+                
+    }
+    public function testNew()
+    {
+        global $g_connection ;
+        $nb_param=count($this->a_param);
+        $cnt=$g_connection->get_value("select count(*) from parameter where pr_id like 'MY_%'");
+        $this->assertEquals($nb_param,$cnt,"Number of parameters");
+        
+    }
+    /*
+     * @covers Noalyss_Parameter_Folder::checkTest
+     * 
+     */
+    public function testcheck()
+    {
+        
+        $a=$this->object->check('MY_STRICT', 0);
+        $this->assertEquals($a,"N");
+        
+    }
+    /*
+     * @covers Noalyss_Parameter_Folder::checkTest
+     * 
+     */
+    public function testcheck_anc_filter()
+    {
+        
+        try {
+            $this->object->check_anc_filter('6,7');
+            $this->assertTrue(TRUE);
+        } catch (Exception $ex) {
+            $this->assertTrue(FALSE,'6,7 is valid');
+        }
+        try {
+            $this->object->check_anc_filter('6,7,8,2');
+            $this->assertTrue(TRUE);
+        } catch (Exception $ex) {
+            $this->assertTrue(FALSE,'6,7,8,2 is valid');
+        }
+        try {
+            $this->object->check_anc_filter('6,7,8,2,AA');
+            $this->assertTrue(FALSE);
+        } catch (Exception $ex) {
+            $this->assertTrue(TRUE,'6,7,8,2 is not valid');
+        }
+        
+    }
+    /*
+     * @covers Noalyss_Parameter_Folder::checkTest
+     * 
+     */
+    public function testupdate()
+    {
+        $ok=0;
+        try {
+            $this->testsave();
+        } catch (Exception $e)
+        {
+            $ok=1;
+        }
+        $this->assertEquals($ok,0);
+    }
+    /*
+     * @covers Noalyss_Parameter_Folder::checkTest
+     *
+     */
+    public function testsave()
+    {
+        global $g_connection;
+        for ($e =0;$e < count($this->a_param);$e++)
+        {
+
+            $attr=$this->a_param[$e];
+
+            $old=$this->object->$attr;
+            switch ($attr)
+            {
+                case "MY_STRICT":
+                   $this->object->$attr='Y';
+                    break;
+                case "MY_COUNTRY":
+                    $this->object->MY_COUNTRY='XBE';
+                    break;
+                case "MY_ANC_FILTER":
+                    $this->object->MY_ANC_FILTER='5,4';
+                    break;
+                default:
+                    $this->object->$attr='000';
+                    break;
+            }
+            $this->object->save($this->a_param[$e]);
+            $cur_value=$g_connection->get_value('select pr_value from "parameter" where pr_id=$1',[$attr]);
+            $this->assertTrue(($cur_value==$this->object->$attr),sprintf("failed : %s cur_value %s expected %s",$attr,$cur_value,$this->object->$attr));
+            $this->assertTrue($cur_value != $old,sprintf( "failed : %s cur_value  %s old %s",$attr,$cur_value,$old));
+
+            $this->object->$attr=$old;
+            $this->object->save($this->a_param[$e]);
+            $cur_value=$g_connection->get_value('select pr_value from "parameter" where pr_id=$1',[$attr]);
+            $this->assertTrue($cur_value == $old,sprintf( "failed : %s  cur_value  %s old %s",$attr,$cur_value,$old));
+        }
+         
+    }
+    function testMatch_accounting()
+    {
+        $this->assertTrue($this->object->match_analytic("612"));
+        $this->assertTrue($this->object->match_analytic("6"));
+        $this->assertTrue($this->object->match_analytic("66"));
+        $this->assertTrue($this->object->match_analytic("71"));
+        $this->assertTrue($this->object->match_analytic("7"));
+        $this->assertFalse($this->object->match_analytic("5"));
+    }
+}
+
+?>