public function testNumRowsMethod()
 {
     $database = $this->getMockBuilder('\\DatabaseBase')->disableOriginalConstructor()->setMethods(array('numRows'))->getMockForAbstractClass();
     $database->expects($this->once())->method('numRows')->with($this->equalTo('Fuyu'))->will($this->returnValue(1));
     $connectionProvider = $this->getMockBuilder('\\SMW\\DBConnectionProvider')->disableOriginalConstructor()->getMock();
     $connectionProvider->expects($this->atLeastOnce())->method('getConnection')->will($this->returnValue($database));
     $instance = new Database($connectionProvider);
     $this->assertEquals(1, $instance->numRows('Fuyu'));
 }