', $data); self::assertStringContainsString('', $data); } } public function testLoadSheetsXlsxChart(): void { $filename = self::$testbook; $reader = IOFactory::createReader('Xlsx'); $spreadsheet = $reader->load($filename, IReader::LOAD_WITH_CHARTS); $sheet = $spreadsheet->getActiveSheet(); self::assertSame('=(RANDBETWEEN(-50,250)+100)*10', $sheet->getCell('D6')->getValue()); self::assertSame('=(RANDBETWEEN(-50,250)+100)*10', $sheet->getCell('E6')->getValue()); $spreadsheet->disconnectWorksheets(); } }