AddRedirectHeaderTest.php
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AddRedirectHeaderTest.php
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	<?php

	namespace MediaWiki\Tests\OutputTransform\Stages;

	use MediaWiki\Config\ServiceOptions;
	use MediaWiki\OutputTransform\OutputTransformStage;
	use MediaWiki\OutputTransform\Stages\AddRedirectHeader;
	use MediaWiki\Parser\ParserOutput;
	use MediaWiki\Tests\OutputTransform\OutputTransformStageTestBase;
	use Psr\Log\NullLogger;

	/**
	* @covers \MediaWiki\OutputTransform\Stages\AddRedirectHeader
	* @group Database
	* ^ Title shenanigans seem to require this
	*/
	class AddRedirectHeaderTest extends OutputTransformStageTestBase {

	public function createStage(): OutputTransformStage {
	return new AddRedirectHeader(
	new ServiceOptions( [] ),
	new NullLogger()
	);
	}

	public function provideShouldRun(): iterable {
	$po = new ParserOutput();
	$po->setRedirectHeader( 'xyz' );
	yield [ $po, null, [] ];
	}

	public function provideShouldNotRun(): array {
	return [ [ new ParserOutput(), null, [] ] ];
	}

	public function provideTransform(): array {
	$text = "<h1>header</h1>\n<p>hello world</p>";
	$redirect = '<div class="redirectMsg">REDIRECT</div>';
	$expectedText = <<<EOF
	<div class="redirectMsg">REDIRECT</div><h1>header</h1>\n<p>hello world</p>
	EOF;

	$po = new ParserOutput( $text );
	$po->setRedirectHeader( $redirect );
	$expected = new ParserOutput( $expectedText );
	$expected->setRedirectHeader( $redirect );
	return [ [ $po, null, [], $expected ] ];
	}
	}