diff --git a/unit-test/include/class/acc_ledger_history_genericTest.class.php b/unit-test/include/class/acc_ledger_history_genericTest.class.php
new file mode 100644
index 000000000..fa84e9e61
--- /dev/null
+++ b/unit-test/include/class/acc_ledger_history_genericTest.class.php
@@ -0,0 +1,117 @@
+<?php
+
+use PHPUnit\Framework\TestCase;
+
+/*
+ *   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 (2002-2019) Author Dany De Bontridder <danydb@noalyss.eu>
+
+/**
+ * @file
+ * @brief concerne acc_ledger_history_generic.class
+ */
+class Acc_Ledger_History_GenericTest extends TestCase
+{
+
+    /**
+     * @var 
+     */
+    protected $object;
+
+    /**
+     * Sets up the fixture, for example, opens a network connection.
+     * This method is called before a test is executed.
+     */
+    protected function setUp()
+    {
+        include 'global.php';
+        global $g_connection;
+        $this->object=new acc_ledger_history_generic($g_connection, [2], 92, 131, 'L');
+    }
+
+    /**
+     * Tears down the fixture, for example, closes a network connection.
+     * This method is called after a test is executed.
+     */
+    protected function tearDown()
+    {
+        
+    }
+
+    function testGet_row()
+    {
+        $this->object->get_row();
+        $this->assertSame(count($this->object->get_data()), 3);
+    }
+
+    private function save_file($p_name, $content)
+    {
+        $hFile=fopen(__DIR__."/file/".$p_name, "w+");
+        fwrite($hFile, $content);
+        fclose($hFile);
+    }
+
+    //@covers Acc_Ledger_History_Generic::export_oneline_html
+    function testExport_Oneline_Html()
+    {
+        //- Listing
+        $name="acc_ledger_history_Generic_export_listing.html";
+        $this->object->set_m_mode("L");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+
+        //- Extended
+        $name="acc_ledger_history_Generic_export_extended.html";
+        $this->object->set_m_mode("E");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+
+        //- Detail
+        $name="acc_ledger_history_Generic_export_detail.html";
+        $this->object->set_m_mode("D");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+
+        //- Accounting
+        $name="acc_ledger_history_Generic_export_accounting.html";
+        $this->object->set_m_mode("D");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+    }
+
+}
diff --git a/unit-test/include/class/acc_ledger_history_purchaseTest.class.php b/unit-test/include/class/acc_ledger_history_purchaseTest.class.php
index a54d093d5..2ec6cad54 100644
--- a/unit-test/include/class/acc_ledger_history_purchaseTest.class.php
+++ b/unit-test/include/class/acc_ledger_history_purchaseTest.class.php
@@ -68,12 +68,49 @@ class Acc_Ledger_History_PurchaseTest extends TestCase
     //@covers Acc_Ledger_History_Financial::export_oneline_html
     function testExport_Oneline_Html()
     {
+        //- Listing
+        $name="acc_ledger_history_purchase_export_listing.html";
+        $this->object->set_m_mode("L");
         ob_start();
-        $this->object->export_accounting_html();
-        $content=ob_get_flush();
-        $this->save_file("acc_ledger_history_purchase_oneline.html",$content);
-        $this->assertFileExists(__DIR__."/file/"."acc_ledger_history_purchase_oneline.html");
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
         
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+        
+        //- Extended
+        $name="acc_ledger_history_purchase_export_extended.html";
+        $this->object->set_m_mode("E");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+        
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+        
+        //- Detail
+        $name="acc_ledger_history_purchase_export_detail.html";
+        $this->object->set_m_mode("D");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+        
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+
+        //- Accounting
+        $name="acc_ledger_history_purchase_export_accounting.html";
+        $this->object->set_m_mode("D");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+        
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
     }
     
 }
diff --git a/unit-test/include/class/acc_ledger_history_saleTest.class.php b/unit-test/include/class/acc_ledger_history_saleTest.class.php
index 6197445a8..468731d84 100644
--- a/unit-test/include/class/acc_ledger_history_saleTest.class.php
+++ b/unit-test/include/class/acc_ledger_history_saleTest.class.php
@@ -57,4 +57,57 @@ class Acc_Ledger_History_SaleTest extends TestCase
         $this->object->get_row();
         $this->assertSame(count($this->object->get_data()),4);
     }
+     private function  save_file($p_name,$content)
+    {
+        $hFile=fopen(__DIR__."/file/".$p_name,"w+");
+        fwrite($hFile, $content);
+        fclose($hFile);
+    }
+    //@covers Acc_Ledger_History_Sale::export_oneline_html
+    function testExport_Oneline_Html()
+    {
+        //- Listing
+        $name="acc_ledger_history_sale_export_listing.html";
+        $this->object->set_m_mode("L");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+        
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+        
+        //- Extended
+        $name="acc_ledger_history_sale_export_extended.html";
+        $this->object->set_m_mode("E");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+        
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+        
+        //- Detail
+        $name="acc_ledger_history_sale_export_detail.html";
+        $this->object->set_m_mode("D");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+        
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+
+        //- Accounting
+        $name="acc_ledger_history_sale_export_accounting.html";
+        $this->object->set_m_mode("D");
+        ob_start();
+        phpunit_page_start();
+        $this->object->export_html();
+        $content=ob_get_contents();
+        
+        $this->save_file($name, $content);
+        $this->assertFileExists(__DIR__."/file/".$name);
+    }
 }