46 lines
1.3 KiB
PHP
46 lines
1.3 KiB
PHP
<?php
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namespace PhpOffice\PhpSpreadsheetTests\Functional;
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use PhpOffice\PhpSpreadsheet\IOFactory;
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use PhpOffice\PhpSpreadsheet\Spreadsheet;
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use PHPUnit\Framework\TestCase;
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class StreamTest extends TestCase
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{
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public function providerFormats(): array
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{
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return [
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['Xls'],
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['Xlsx'],
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['Ods'],
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['Csv'],
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['Html'],
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['Tcpdf'],
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['Dompdf'],
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['Mpdf'],
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];
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}
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/**
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* @dataProvider providerFormats
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*
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* @param string $format
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*/
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public function testAllWritersCanWriteToStream(string $format): void
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{
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$spreadsheet = new Spreadsheet();
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$spreadsheet->getActiveSheet()->setCellValue('A1', 'foo');
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$writer = IOFactory::createWriter($spreadsheet, $format);
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$stream = fopen('php://memory', 'wb+');
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self::assertSame(0, fstat($stream)['size']);
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$writer->save($stream);
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self::assertIsResource($stream, 'should not close the stream for further usage out of PhpSpreadsheet');
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self::assertGreaterThan(0, fstat($stream)['size'], 'something should have been written to the stream');
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self::assertGreaterThan(0, ftell($stream), 'should not be rewinded, because not all streams support it');
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}
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}
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