public function testFillNumeric($columnName, $columnType, $columnLength)
{
$this->mockDoctrineLayer->method('getTotalColumns')->willReturn(1);
$this->mockDoctrineLayer->expects($this->exactly($this->num))->method('getColumnName')->willReturn($columnName);
$this->mockDoctrineLayer->expects($this->exactly($this->num))->method('getColumnType')->willReturn($columnType);
$this->mockDoctrineLayer->expects($this->exactly($this->num))->method('getColumnLength')->willReturn($columnLength);
$rows = $this->dbFiller->fill();
$this->assertInternalType('array', $rows);
$this->assertEquals($this->num, count($rows));
}