getActiveSheet(); $sheet1 = $spreadsheet->createSheet(); $sheet2 = $spreadsheet->createSheet(); $sheet3 = $spreadsheet->createSheet(); $sheet1->getPageSetup()->setFitToHeight(1); $sheet2->getPageSetup()->setFitToHeight(2); $sheet3->getPageSetup()->setFitToPage(true); $writer = new Writer($spreadsheet); $writer->writeAllSheets(); $header = $writer->generateHTMLHeader(true); self::assertStringContainsString('table.sheet0', $header); self::assertStringContainsString('table.sheet1', $header); self::assertStringContainsString('table.sheet2', $header); self::assertStringContainsString('table.sheet3', $header); $count = substr_count($header, 'break-inside'); self::assertSame(4, $count); // 2 for sheet1, 2 for sheet3 self::assertStringContainsString('table.sheet1 { page-break-inside:avoid; break-inside:avoid }', $header); self::assertStringContainsString('table.sheet3 { page-break-inside:avoid; break-inside:avoid }', $header); $spreadsheet->disconnectWorkSheets(); } }