diff --git a/test/libraries/PMA_relation_test.php b/test/libraries/PMA_relation_test.php
new file mode 100644
index 0000000000..0e6dc31cc8
--- /dev/null
+++ b/test/libraries/PMA_relation_test.php
@@ -0,0 +1,141 @@
+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * tests for relation.lib.php
+ *
+ * @package PhpMyAdmin-test
+ */
+
+/*
+ * Include to test.
+ */
+require_once 'libraries/Util.class.php';
+require_once 'libraries/Theme.class.php';
+require_once 'libraries/php-gettext/gettext.inc';
+require_once 'libraries/database_interface.inc.php';
+require_once 'libraries/Tracker.class.php';
+require_once 'libraries/relation.lib.php';
+
+class PMA_Relation_Test extends PHPUnit_Framework_TestCase
+{
+    public function setUp()
+    {
+        $GLOBALS['server'] = 1;
+        $GLOBALS['cfg']['Server']['user'] = 'root';
+        $GLOBALS['cfg']['Server']['pmadb'] = 'phpmyadmin';
+        $_SESSION['relation'][$GLOBALS['server']] = "PMA_relation";
+        $_SESSION['PMA_Theme'] = new PMA_Theme();
+
+        $GLOBALS['pmaThemePath'] = $_SESSION['PMA_Theme']->getPath();
+        $GLOBALS['pmaThemeImage'] = 'theme/';
+
+        include_once 'libraries/relation.lib.php';
+    }
+
+    /**
+     * Test for PMA_queryAsControlUser
+     *
+     * @return void
+     */
+    public function testPMA_queryAsControlUser()
+    {
+        $dbi = $this->getMockBuilder('PMA_DatabaseInterface')
+            ->disableOriginalConstructor()
+            ->getMock();
+            
+        $dbi->expects($this->once())
+            ->method('query')
+            ->will($this->returnValue('executeResult1'));
+            
+        $dbi->expects($this->once())
+            ->method('tryQuery')
+            ->will($this->returnValue('executeResult2'));
+
+        $GLOBALS['dbi'] = $dbi;
+
+        $sql = "insert into PMA_bookmark A,B values(1, 2)";
+        $this->assertEquals(
+            'executeResult1',
+            PMA_queryAsControlUser($sql)
+        );
+        $this->assertEquals(
+            'executeResult2',
+            PMA_queryAsControlUser($sql, false)
+        );
+    }
+
+    /**
+     * Test for PMA_getRelationsParam & PMA_getRelationsParamDiagnostic
+     *
+     * @return void
+     */
+    public function testPMA_getRelationsParam()
+    {
+        $GLOBALS['cfg']['ServerDefault'] = 0;
+        $_SESSION['relation'] = array();
+
+        $relationsPara = PMA_getRelationsParam();
+        $this->assertEquals(
+            false,
+            $relationsPara['relwork']
+        );
+        $this->assertEquals(
+            false,
+            $relationsPara['bookmarkwork']
+        );
+        $this->assertEquals(
+            'root',
+            $relationsPara['user']
+        );
+        $this->assertEquals(
+            'phpmyadmin',
+            $relationsPara['db']
+        );
+
+        $retval = PMA_getRelationsParamDiagnostic($relationsPara);
+        //check $cfg['Servers'][$i]['pmadb']
+        $this->assertContains(
+            "\$cfg['Servers'][\$i]['pmadb']",
+            $retval
+        );
+        $this->assertContains(
+            '<strong>OK</strong>',
+            $retval
+        );
+        
+        //$cfg['Servers'][$i]['relation']
+        $result = "\$cfg['Servers'][\$i]['pmadb']  ... </th><td class=\"right\">" 
+            . "<font color=\"green\"><strong>OK</strong></font>";
+        $this->assertContains(
+            $result,
+            $retval
+        );
+        // $cfg['Servers'][$i]['relation']
+        $result = "\$cfg['Servers'][\$i]['relation']  ... </th><td class=\"right\">" 
+            . "<font color=\"red\"><strong>not OK</strong></font>";
+        $this->assertContains(
+            $result,
+            $retval
+        );
+        // General relation features
+        $result = 'General relation features: <font color="red">Disabled</font>';
+        $this->assertContains(
+            $result,
+            $retval
+        );
+        // $cfg['Servers'][$i]['table_info'] 
+        $result = "\$cfg['Servers'][\$i]['table_info']  ... </th><td class=\"right\">" 
+            . "<font color=\"red\"><strong>not OK</strong></font>";
+        $this->assertContains(
+            $result,
+            $retval
+        );
+        // Display Features:
+        $result = 'Display Features: <font color="red">Disabled</font>';
+        $this->assertContains(
+            $result,
+            $retval
+        );
+    }
+}
+