load($filename); $sheet = $spreadsheet->getActiveSheet(); self::assertSame('=CONCATENATE("Prefix ",MID(CELL("filename"),FIND("]",CELL("filename"))+1,255), " Suffix")', $sheet->getCell('B1')->getValue()); self::assertSame('Prefix SomeName Suffix', $sheet->getCell('B1')->getCalculatedValue()); $spreadsheet->disconnectWorksheets(); } }