mpdf/tests/Issues/Issue1320Test.php at development · agabaandre/mpdf · GitHub

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<?php

namespace Issues;

use Mpdf\Mpdf;
use Mpdf\Output\Destination;

/**
 * Class Issue1320Test
 * @author Antonio Norman - softcodex.ch
 */
class Issue1320Test extends \Yoast\PHPUnitPolyfills\TestCases\TestCase
{
/**
 * Issue 1320: First header of named page is added twice
 */
public function testNamedHeaderIsPrintedOnlyOnce()
{
// To test the fix, we want to observe the calls to the writer
// as the writer class is marked as final we can't use Mockery's spy
// so instead we have to use a proxy class.
// Note this will fail if the class is ever type hinted

// Use reflection to set the writer class
$reflection = new \ReflectionClass(Mpdf::class);

$mpdf = $reflection->newInstance();
$property = $reflection->getProperty('writer');
$property->setAccessible(true);

// Get the instance of the writer class from Mpdf to use in Mockery proxy
$writer = \Mockery::mock($property->getValue($mpdf));

$count = 0;
$writer->shouldReceive('write')
 ->with(\Mockery::on(function ($argument) use (&$count) {
if (strpos($argument, '___PAGE___START') === 0) {
$count++;
}

return true;
 }));

$property->setValue($mpdf, $writer);

/** @var Mpdf $mpdf */
$mpdf->WriteHTML($this->getHtmlWithNamedPage());

// Before the fix it was called 4 times
$this->assertEquals(3, $count);

\Mockery::close();

// Test the PDF still generates "correctly"
$mpdf = new Mpdf();
$mpdf->WriteHTML($this->getHtmlWithNamedPage());
$output = $mpdf->output('', Destination::STRING_RETURN);
$this->assertStringStartsWith('%PDF-', $output);
}


private function getHtmlWithNamedPage()
{
return <<<HTML
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>title</title>
<style>
 @page {
 size: 210mm 297mm;
 margin-top: 10mm;
 margin-right: 10mm;
 margin-bottom: 10mm;
 margin-left: 10mm;
 }

 @page P_mpdf_page_27 {
 margin-top: 81mm;
 odd-header-name: H_mpdf_section_22;
 even-header-name: H_mpdf_section_22;
 }

 #mpdf_page_27 {
 page: P_mpdf_page_27;
 }

 body {
 font-family: Arial, Helvetica, sans-serif;
 font-size: 12px;
 }

 #Line1 {
 font-size: 10px;
 font-weight: normal;
 }

 #Line2 {
 font-size: 12px;
 font-weight: normal;
 }

 #Line3 {
 font-size: 14px;
 font-weight: normal;
 }

 #Line4 {
 font-size: 16px;
 font-weight: normal;
 }


</style>
</head>
<body>
<section id="mpdf_page_27">
<htmlpageheader name="H_mpdf_section_22">
<div id="Line1">Line 1</div>
<div id="Line2"> Line 2</div>
<div id="Line3"> Line 3</div>
<div id="Line4"> Line 4</div>
</htmlpageheader>
<div style="height:100mm; background-color: aqua;">foo</div>
<div style="height:100mm; background-color: hotpink;">bar</div>

<div style="height:100mm; background-color: greenyellow;">foo</div>
<div style="height:100mm; background-color: skyblue;">bar</div>
</body>
</html>
HTML;
}
}