wiki.techinc.nl/tests/phpunit/maintenance/DumpTestCase.php
Alexander Vorwerk 62a70ec7c7 Use new namespace for revision related classes
All revision related classes are namespaced MediaWiki\Revision
instead of MediaWiki\Storage since 1.32. The old namespaced
class names are deprecated and only kept for backwards-compatibility.

Bug: T305784
Change-Id: Ia0030814ce2176d06e2898acffe533d31633fccb
2022-04-09 20:22:36 +02:00

307 lines
8.3 KiB
PHP

<?php
namespace MediaWiki\Tests\Maintenance;
use CommentStoreComment;
use Content;
use ContentHandler;
use DOMDocument;
use ExecutableFinder;
use MediaWiki\MediaWikiServices;
use MediaWiki\Revision\RevisionAccessException;
use MediaWiki\Revision\RevisionRecord;
use MediaWiki\Revision\SlotRecord;
use MediaWikiLangTestCase;
use MWException;
use WikiExporter;
use WikiPage;
/**
* Base TestCase for dumps
*/
abstract class DumpTestCase extends MediaWikiLangTestCase {
/**
* exception to be rethrown once in sound PHPUnit surrounding
*
* As the current MediaWikiIntegrationTestCase::run is not robust enough to recover
* from thrown exceptions directly, we cannot throw frow within
* self::addDBData, although it would be appropriate. Hence, we catch the
* exception and store it until we are in setUp and may finally rethrow
* the exception without crashing the test suite.
*
* @var \Exception|null
*/
protected $exceptionFromAddDBData = null;
/** @var bool|null Whether the 'gzip' utility is available */
protected static $hasGzip = null;
/**
* Skip the test if 'gzip' is not in $PATH.
*
* @return bool
*/
protected function checkHasGzip() {
if ( self::$hasGzip === null ) {
self::$hasGzip = ( ExecutableFinder::findInDefaultPaths( 'gzip' ) !== false );
}
if ( !self::$hasGzip ) {
$this->markTestSkipped( "Skip test, requires the gzip utility in PATH" );
}
return self::$hasGzip;
}
/**
* Adds a revision to a page, while returning the resuting revision's id text id.
*
* @param WikiPage $page Page to add the revision to
* @param string $text Revisions text
* @param string $summary Revisions summary
* @param string $model The model ID (defaults to wikitext)
*
* @throws MWException
* @return array
*/
protected function addRevision(
WikiPage $page,
$text,
$summary,
$model = CONTENT_MODEL_WIKITEXT
) {
$contentHandler = ContentHandler::getForModelID( $model );
$content = $contentHandler->unserializeContent( $text );
$rev = $this->addMultiSlotRevision( $page, [ 'main' => $content ], $summary );
if ( !$rev ) {
throw new MWException( "Could not create revision" );
}
$text_id = $this->getSlotTextId( $rev->getSlot( SlotRecord::MAIN ) );
return [ $rev->getId(), $text_id, $rev ];
}
/**
* @param SlotRecord $slot
*
* @return string|null
*/
protected function getSlotText( SlotRecord $slot ) {
try {
return $slot->getContent()->serialize();
} catch ( RevisionAccessException $ex ) {
return null;
}
}
/**
* @param SlotRecord $slot
*
* @return int
*/
protected function getSlotTextId( SlotRecord $slot ) {
return (int)preg_replace( '/^tt:/', '', $slot->getAddress() );
}
/**
* @param SlotRecord $slot
*
* @return string
*/
protected function getSlotFormat( SlotRecord $slot ) {
$contentHandler = ContentHandler::getForModelID( $slot->getModel() );
return $contentHandler->getDefaultFormat();
}
/**
* Adds a revision to a page, while returning the resulting revision's id and text id.
*
* @param WikiPage $page Page to add the revision to
* @param Content[] $slots A mapping of slot names to Content objects
* @param string $summary Revisions summary
*
* @throws MWException
* @return RevisionRecord
*/
protected function addMultiSlotRevision(
WikiPage $page,
array $slots,
$summary
) {
$slotRoleRegistry = MediaWikiServices::getInstance()->getSlotRoleRegistry();
$updater = $page->newPageUpdater( $this->getTestUser()->getUser() );
foreach ( $slots as $role => $content ) {
if ( !$slotRoleRegistry->isDefinedRole( $role ) ) {
$slotRoleRegistry->defineRoleWithModel( $role, $content->getModel() );
}
$updater->setContent( $role, $content );
}
$updater->saveRevision( CommentStoreComment::newUnsavedComment( trim( $summary ) ) );
return $updater->getNewRevision();
}
/**
* gunzips the given file and stores the result in the original file name
*
* @param string $fname Filename to read the gzipped data from and stored
* the gunzipped data into
*/
protected function gunzip( $fname ) {
$gzipped_contents = file_get_contents( $fname );
if ( $gzipped_contents === false ) {
$this->fail( "Could not get contents of $fname" );
}
$contents = gzdecode( $gzipped_contents );
$this->assertEquals(
strlen( $contents ),
file_put_contents( $fname, $contents ),
'# bytes written'
);
}
public static function setUpBeforeClass(): void {
parent::setUpBeforeClass();
if ( !function_exists( 'libxml_set_external_entity_loader' ) ) {
return;
}
// The W3C is intentionally slow about returning schema files,
// see <https://www.w3.org/Help/Webmaster#slowdtd>.
// To work around that, we keep our own copies of the relevant schema files.
libxml_set_external_entity_loader(
static function ( $public, $system, $context ) {
switch ( $system ) {
// if more schema files are needed, add them here.
case 'http://www.w3.org/2001/xml.xsd':
$file = __DIR__ . '/xml.xsd';
break;
default:
if ( is_file( $system ) ) {
$file = $system;
} else {
return null;
}
}
return $file;
}
);
}
/**
* Default set up function.
*
* Reports errors from addDBData to PHPUnit
*/
protected function setUp(): void {
parent::setUp();
// Check if any Exception is stored for rethrowing from addDBData
// @see self::exceptionFromAddDBData
if ( $this->exceptionFromAddDBData !== null ) {
throw $this->exceptionFromAddDBData;
}
}
/**
* Returns the path to the XML schema file for the given schema version.
*
* @param string|null $schemaVersion
*
* @return string
*/
protected function getXmlSchemaPath( $schemaVersion = null ) {
global $IP, $wgXmlDumpSchemaVersion;
$schemaVersion = $schemaVersion ?: $wgXmlDumpSchemaVersion;
return "$IP/docs/export-$schemaVersion.xsd";
}
/**
* Checks for test output consisting only of lines containing ETA announcements
*/
protected function expectETAOutput() {
// Newer PHPUnits require assertion about the output using PHPUnit's own
// expectOutput[...] functions. However, the PHPUnit shipped prediactes
// do not allow to check /each/ line of the output using /readable/ REs.
// So we ...
// 1. ... add a dummy output checking to make PHPUnit not complain
// about unchecked test output
$this->expectOutputRegex( '//' );
// 2. Do the real output checking on our own.
$lines = explode( "\n", $this->getActualOutput() );
$this->assertGreaterThan( 1, count( $lines ), "Minimal lines of produced output" );
$this->assertSame( '', array_pop( $lines ), "Output ends in LF" );
$timestamp_re = "[0-9]{4}-[01][0-9]-[0-3][0-9] [0-2][0-9]:[0-5][0-9]:[0-6][0-9]";
foreach ( $lines as $line ) {
$this->assertRegExp(
"/$timestamp_re: .* \(ID [0-9]+\) [0-9]* pages .*, [0-9]* revs .*, ETA/",
$line
);
}
}
/**
* @param null|string $schemaVersion
*
* @return DumpAsserter
*/
protected function getDumpAsserter( $schemaVersion = null ) {
$schemaVersion = $schemaVersion ?: WikiExporter::schemaVersion();
return new DumpAsserter( $schemaVersion );
}
/**
* Checks an XML file against an XSD schema.
* @param string $fname
* @param string $schemaFile
*/
protected function assertDumpSchema( $fname, $schemaFile ) {
if ( !function_exists( 'libxml_use_internal_errors' ) ) {
// Would be nice to leave a warning somehow.
// We don't want to skip all of the test case that calls this, though.
$this->markAsRisky();
return;
}
$xml = new DOMDocument();
$this->assertTrue( $xml->load( $fname ),
"Opening temporary file $fname via DOMDocument failed" );
// Don't throw
$oldLibXmlInternalErrors = libxml_use_internal_errors( true );
// NOTE: if this reports "Invalid Schema", the schema may be referencing an external
// entity (typically, another schema) that needs to be mapped in the
// libxml_set_external_entity_loader callback defined in setUpBeforeClass() above!
// Or $schemaFile doesn't point to a schema file, or the schema is indeed just broken.
if ( !$xml->schemaValidate( $schemaFile ) ) {
$errorText = '';
foreach ( libxml_get_errors() as $error ) {
$errorText .= "\nline {$error->line}: {$error->message}";
}
libxml_clear_errors();
$this->fail(
"Failed asserting that $fname conforms to the schema in $schemaFile:\n$errorText"
);
}
libxml_use_internal_errors( $oldLibXmlInternalErrors );
}
}