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BeforeParserFetchTemplateRevisionRecordTest.php
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BeforeParserFetchTemplateRevisionRecordTest.php
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<?php
namespace MediaWiki\Tests\Parser;
use MediaWiki\Content\WikitextContent;
use MediaWiki\Linker\LinkTarget;
use MediaWiki\Parser\Parser;
use MediaWiki\Parser\ParserOptions;
use MediaWiki\Revision\MutableRevisionRecord;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Revision\SlotRecord;
use MediaWikiLangTestCase;
use MockTitleTrait;
/**
* @group Database
* @covers \MediaWiki\Parser\Parser
*/
class BeforeParserFetchTemplateRevisionRecordTest extends MediaWikiLangTestCase {
use MockTitleTrait;
private function checkResult( $expected, $actual ) {
if ( ( $expected['revision-record'] ?? true ) === false ) {
$this->assertSame( false, $actual['revision-record'] );
} else {
$this->assertNotNull( $actual['revision-record'] );
}
$this->assertSame( $expected['text'], $actual['text'] );
$this->assertSame( $expected['finalTitle'], $actual['finalTitle']->getPrefixedText() );
// Simplify 'deps'
$simpleActualDeps = array_map(
fn ( $dep ) => $dep['title']->getPrefixedText(),
$actual['deps']
);
$this->assertArrayEquals( $expected['deps'], $simpleActualDeps );
}
public static function provideWithParser() {
yield "Without \$parser" => [ false ];
yield "With \$parser" => [ true ];
}
private function commonSetup( $suffix = null ) {
$suffix ??= $this->getCallerName();
$parser = $this->getServiceContainer()->getParserFactory()->create();
$parser->setOptions( ParserOptions::newFromAnon() );
$page = $this->getNonexistingTestPage( "Base $suffix" );
$this->editPage( $page, 'Base page content', 'Make testing content' );
$redirectPage = $this->getNonexistingTestPage( "Redirect $suffix" );
$this->editPage(
$redirectPage,
'#REDIRECT [[' . $page->getTitle()->getPrefixedText() . ']]',
"Make redirect link for testing"
);
return [ $parser, $page, $redirectPage ];
}
/**
* @covers \MediaWiki\Parser\Parser::statelessFetchTemplate
* @dataProvider provideWithParser
*/
public function testStatelessFetchTemplateBasic( bool $withParser ) {
[ $parser, $page, $redirectPage ] = $this->commonSetup( __FUNCTION__ );
// Basic redirect test
$ret = Parser::statelessFetchTemplate(
$redirectPage->getTitle(), $withParser ? $parser : null
);
$this->checkResult( [
'text' => 'Base page content',
'finalTitle' => 'Base ' . __FUNCTION__,
'deps' => [
'Base ' . __FUNCTION__,
'Redirect ' . __FUNCTION__,
],
], $ret );
}
/**
* @covers \MediaWiki\Parser\Parser::statelessFetchTemplate
* @dataProvider provideWithParser
*/
public function testStatelessFetchTemplateSkip( bool $withParser ) {
[ $parser, $page, $redirectPage ] = $this->commonSetup( __FUNCTION__ );
// Create a hook to prevent resolution of the redirect
$this->setTemporaryHook(
'BeforeParserFetchTemplateRevisionRecord',
static function ( ?LinkTarget $contextTitle, LinkTarget $title, bool &$skip, ?RevisionRecord &$revRecord ) {
$skip = true;
}
);
$ret = Parser::statelessFetchTemplate(
$redirectPage->getTitle(), $withParser ? $parser : null
);
$this->checkResult( [
'text' => false,
'finalTitle' => 'Redirect ' . __FUNCTION__,
'deps' => [
'Redirect ' . __FUNCTION__,
],
], $ret );
}
/**
* @covers \MediaWiki\Parser\Parser::statelessFetchTemplate
* @dataProvider provideWithParser
*/
public function testStatelessFetchTemplateMissing( bool $withParser ) {
[ $parser, $page, $redirectPage ] = $this->commonSetup( __FUNCTION__ );
// Create a hook to redirect to a non-existing page
$baseTitle = 'Base ' . __FUNCTION__;
$missing = $this->getNonexistingTestPage( 'Missing ' . __FUNCTION__ );
$this->setTemporaryHook(
'BeforeParserFetchTemplateRevisionRecord',
static function ( ?LinkTarget $contextTitle, LinkTarget $title, bool &$skip, ?RevisionRecord &$revRecord ) use ( $baseTitle, $missing ) {
if ( $title->getPrefixedText() === $baseTitle ) {
$revRecord = new MutableRevisionRecord( $missing->getTitle() );
}
}
);
$ret = Parser::statelessFetchTemplate(
$redirectPage->getTitle(), $withParser ? $parser : null
);
$this->checkResult( [
'text' => false,
'finalTitle' => 'Missing ' . __FUNCTION__,
'deps' => [
'Base ' . __FUNCTION__,
# The $missing page is duplicated in the deps here, but that's
# harmless.
'Missing ' . __FUNCTION__,
'Missing ' . __FUNCTION__,
'Redirect ' . __FUNCTION__,
],
], $ret );
}
/**
* @covers \MediaWiki\Parser\Parser::statelessFetchTemplate
* @dataProvider provideWithParser
*/
public function testStatelessFetchTemplateSubstituted( bool $withParser ) {
[ $parser, $page, $redirectPage ] = $this->commonSetup( __FUNCTION__ );
// Create a hook to redirect to a non-existing page
$baseTitle = 'Base ' . __FUNCTION__;
$subst = $this->getNonexistingTestPage( 'Subst ' . __FUNCTION__ );
$this->setTemporaryHook(
'BeforeParserFetchTemplateRevisionRecord',
static function ( ?LinkTarget $contextTitle, LinkTarget $title, bool &$skip, ?RevisionRecord &$revRecord ) use ( $baseTitle, $subst ) {
if ( $title->getPrefixedText() === $baseTitle ) {
$revRecord = new MutableRevisionRecord( $subst->getTitle() );
$revRecord->setContent( SlotRecord::MAIN, new WikitextContent( 'foo' ) );
}
}
);
$ret = Parser::statelessFetchTemplate(
$redirectPage->getTitle(), $withParser ? $parser : null
);
$this->checkResult( [
'text' => 'foo',
'finalTitle' => 'Subst ' . __FUNCTION__,
'deps' => [
'Base ' . __FUNCTION__,
'Subst ' . __FUNCTION__,
'Redirect ' . __FUNCTION__,
],
], $ret );
}
}

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