diff --git a/tests/model/MongoStatementTest.php b/tests/model/MongoStatementTest.php
new file mode 100644
index 0000000..c203dcc
--- /dev/null
+++ b/tests/model/MongoStatementTest.php
@@ -0,0 +1,335 @@
+<?php
+
+/*
+ * @copyright NetMonsters <team@netmonsters.ru>
+ * @link http://netmonsters.ru
+ * @package Majestic
+ * @subpackage UnitTests
+ * @since 2011-11-15
+ * 
+ * Unit tests for MySQLiStatement class
+ */
+
+require_once dirname(__FILE__) . '/../../util/profiler/CommandProfiler.php';
+require_once dirname(__FILE__) . '/../../util/profiler/Profiler.php';
+require_once dirname(__FILE__) . '/../../model/Db.php';
+require_once dirname(__FILE__) . '/../../model/DbDriver.php';
+require_once dirname(__FILE__) . '/../../model/DbStatement.php';
+require_once dirname(__FILE__) . '/../../model/MongoStatement.php';
+
+class MongoStatementTest extends PHPUnit_Framework_TestCase
+{
+
+
+    private $driver;
+
+    private $stmt;
+
+    private $request;
+
+    private $testData = array(
+        array('one' => 11, 'two' => 12),
+        array('one' => 21, 'two' => 22),
+        array('one' => 31, 'two' => 32),
+    );
+
+    public function run(PHPUnit_Framework_TestResult $result = NULL)
+    {
+        $this->setPreserveGlobalState(false);
+        return parent::run($result);
+    }
+
+    public function setUp()
+    {
+        if (!isset($this->stmt)) {
+            $this->driver = $this->getMockBuilder('DbDriverMock')
+                    ->disableOriginalConstructor()
+                    ->setMethods(array('getConnection'))
+                    ->getMock();
+            $this->request = $this->getMockBuilder('MongoDbCommandMock')
+                    ->disableOriginalConstructor()
+                    ->setMethods(array('execute', 'bindParam'))
+                    ->getMock();
+            $this->stmt = new MongoStatement($this->driver, $this->request);
+        }
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testAffectedNumRowsNoResult()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', false);
+        }
+        $this->assertFalse($this->stmt->affectedRows());
+        $this->assertFalse($this->stmt->numRows());
+
+        $this->setDriverGetConnectionMethod();
+        $this->request
+                ->expects($this->any())
+                ->method('execute')
+                ->will($this->returnValue(array()));
+        $this->stmt->execute();
+        $this->assertFalse($this->stmt->affectedRows());
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testAffectedNumRows()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', false);
+        }
+        $this->setDriverGetConnectionMethod();
+        $this->request
+                ->expects($this->any())
+                ->method('execute')
+                ->will($this->returnValue(array('n' => 20, 'ok' => 1)));
+        $this->stmt->execute();
+        $this->assertEquals(20, $this->stmt->affectedRows());
+    }
+
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testExecute()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', false);
+        }
+
+        $this->setDriverGetConnectionMethod()->setRequestExecuteMethod();
+        $this->assertTrue($this->stmt->execute());
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @expectedException Exception
+     * @expectedExceptionMessage MongoDB request error.
+     */
+    public function testExecuteNoResult()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', false);
+        }
+        $this->setDriverGetConnectionMethod();
+        $this->request
+                ->expects($this->any())
+                ->method('execute')
+                ->will($this->returnValue(false));
+        $this->stmt->execute();
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @expectedException Exception
+     * @expectedExceptionMessage No connection to MongoDB server.
+     */
+    public function testExecuteNoConnection()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', false);
+        }
+        $this->driver
+                ->expects($this->any())
+                ->method('getConnection')
+                ->will($this->returnValue(false));
+        $this->stmt->execute();
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testExecuteWithDebug()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', true);
+        }
+        $this->setDriverGetConnectionMethod()->setRequestExecuteMethod();
+        $this->assertTrue($this->stmt->execute());
+        $this->assertEquals(10, $this->stmt->numRows());
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testBindParam()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', true);
+        }
+
+        $this->request
+                ->expects($this->once())
+                ->method('bindParam')
+                ->will($this->returnValue(true));
+
+        $this->setDriverGetConnectionMethod()->setRequestExecuteMethod();
+        $this->assertTrue($this->stmt->execute(array('one' => 'two')));
+
+        $this->assertAttributeNotEquals(null, 'result', $this->stmt);
+        $this->stmt->close();
+        $this->assertAttributeEquals(null, 'result', $this->stmt);
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testFetch()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', true);
+        }
+        $this->assertFalse($this->stmt->fetch());
+
+        $this->setDriverGetConnectionMethod()->setRequestForFetch();
+
+        $this->stmt->execute();
+        $result = $this->stmt->fetch();
+        $this->assertEquals('prev', $result->next);
+        $this->assertFalse($this->stmt->fetch());
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testFetchWithInitialArray()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', true);
+        }
+        $this->assertFalse($this->stmt->fetch());
+
+        $this->setDriverGetConnectionMethod();
+        $this->request
+                ->expects($this->once())
+                ->method('execute')
+                ->will($this->returnValue(array('some' => 'val')));
+
+        $this->stmt->execute();
+        $this->assertFalse($this->stmt->fetch());
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testFetchAssocFromCursor()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', true);
+        }
+        $this->assertFalse($this->stmt->fetch());
+
+        $this->setDriverGetConnectionMethod()->setRequestForFetch();
+
+        $this->stmt->execute();
+        $result = $this->stmt->fetch(Db::FETCH_ASSOC);
+        $this->assertEquals('prev', $result['next']);
+        $this->assertEquals(array(), $this->stmt->fetch(Db::FETCH_ASSOC));
+    }
+
+    /**
+     * @runInSeparateProcess
+     */
+    public function testFetchAssocFromArray()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', true);
+        }
+        $this->assertFalse($this->stmt->fetch());
+
+        $this->setDriverGetConnectionMethod();
+        $this->request
+                ->expects($this->once())
+                ->method('execute')
+                ->will($this->returnValue(array('some' => 'val')));
+
+        $this->stmt->execute();
+        $result = $this->stmt->fetch(Db::FETCH_ASSOC);
+        $this->assertEquals('val', $result['some']);
+    }
+
+    /**
+     * @runInSeparateProcess
+     * @expectedException Exception
+     * @expectedExceptionMessage Invalid fetch mode "222" specified
+     */
+    public function testFetchWrongMode()
+    {
+        if (!defined('DEBUG')) {
+            define('DEBUG', true);
+        }
+        $this->assertFalse($this->stmt->fetch());
+
+        $this->setDriverGetConnectionMethod();
+        $this->request
+                ->expects($this->once())
+                ->method('execute')
+                ->will($this->returnValue(array('some' => 'val')));
+
+        $this->stmt->execute();
+        $result = $this->stmt->fetch(222);
+    }
+
+    private function setDriverGetConnectionMethod()
+    {
+        $mongoMock = $this->getMock('Mongo');
+
+        $this->driver
+                ->expects($this->any())
+                ->method('getConnection')
+                ->will($this->returnValue($mongoMock));
+        return $this;
+    }
+
+    public function setRequestExecuteMethod()
+    {
+        $resultMock = $this->getMockBuilder('MongoCursor')
+                ->setMethods(array('count'))
+                ->disableOriginalConstructor()
+                ->getMock();
+        
+        $resultMock
+                ->expects($this->any())
+                ->method('count')
+                ->will($this->returnValue(10));
+
+        $this->request
+                ->expects($this->any())
+                ->method('execute')
+                ->will($this->returnValue($resultMock));
+
+        return $this;
+    }
+    
+    public function setRequestForFetch()
+    {
+        $resultMock = $this->getMockBuilder('MongoCursor')
+                ->setMethods(array('count', 'getNext'))
+                ->disableOriginalConstructor()
+                ->getMock();
+
+        $resultMock
+                ->expects($this->any())
+                ->method('count')
+                ->will($this->returnValue(10));
+        $resultMock
+                ->expects($this->at(0))
+                ->method('getNext')
+                ->will($this->returnValue(array('next' => 'prev', '_id' => 10)));
+        $resultMock
+                ->expects($this->at(1))
+                ->method('getNext')
+                ->will($this->returnValue(array()));
+
+        $this->request
+                ->expects($this->any())
+                ->method('execute')
+                ->will($this->returnValue($resultMock));
+
+        return $this;
+    }
+}
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