wiki.techinc.nl/tests/phpunit/includes/parser/ParserCacheTest.php
James D. Forrester 19f4e6945a Rename JsonUnserial… to JsonDeserial…
This is to make it clearer that they're related to converting serialized
content back into JSON, rather than stating that things are not
representable in JSON.

Change-Id: Ic440ac2d05b5ac238a1c0e4821d3f2d858bc3d76
2024-06-12 14:50:58 -04:00

795 lines
28 KiB
PHP

<?php
namespace MediaWiki\Tests\Parser;
use BagOStuff;
use CacheTime;
use EmptyBagOStuff;
use HashBagOStuff;
use InvalidArgumentException;
use MediaWiki\HookContainer\HookContainer;
use MediaWiki\Json\JsonCodec;
use MediaWiki\Page\PageRecord;
use MediaWiki\Page\PageStoreRecord;
use MediaWiki\Page\WikiPageFactory;
use MediaWiki\Parser\ParserCacheFilter;
use MediaWiki\Parser\ParserOutput;
use MediaWiki\Tests\Json\JsonDeserializableSuperClass;
use MediaWiki\Title\Title;
use MediaWiki\Title\TitleFactory;
use MediaWiki\User\User;
use MediaWiki\Utils\MWTimestamp;
use MediaWikiIntegrationTestCase;
use ParserCache;
use ParserOptions;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use Psr\Log\NullLogger;
use TestLogger;
use Wikimedia\Stats\StatsFactory;
use Wikimedia\TestingAccessWrapper;
use Wikimedia\UUID\GlobalIdGenerator;
use WikiPage;
/**
* @covers \ParserCache
*/
class ParserCacheTest extends MediaWikiIntegrationTestCase {
/** @var int */
private $time;
/** @var string */
private $cacheTime;
/** @var PageRecord */
private $page;
protected function setUp(): void {
parent::setUp();
$this->time = time();
$this->cacheTime = MWTimestamp::convert( TS_MW, $this->time + 1 );
$this->page = $this->createPageRecord();
MWTimestamp::setFakeTime( $this->time );
}
/**
* @param array $overrides
* @return PageRecord
*/
private function createPageRecord( array $overrides = [] ): PageRecord {
return new PageStoreRecord( (object)array_merge( [
'page_id' => 42,
'page_namespace' => NS_MAIN,
'page_title' => 'Testing_Testing',
'page_latest' => 24,
'page_is_new' => false,
'page_is_redirect' => false,
'page_touched' => $this->time,
'page_lang' => 'qqx',
], $overrides ), PageRecord::LOCAL );
}
/**
* @param HookContainer|null $hookContainer
* @param BagOStuff|null $storage
* @param LoggerInterface|null $logger
* @param WikiPageFactory|null $wikiPageFactory
* @return ParserCache
*/
private function createParserCache(
HookContainer $hookContainer = null,
BagOStuff $storage = null,
LoggerInterface $logger = null,
WikiPageFactory $wikiPageFactory = null
): ParserCache {
if ( !$wikiPageFactory ) {
$wikiPageMock = $this->createMock( WikiPage::class );
$wikiPageMock->method( 'getContentModel' )->willReturn( CONTENT_MODEL_WIKITEXT );
$wikiPageFactory = $this->createMock( WikiPageFactory::class );
$wikiPageFactory->method( 'newFromTitle' )->willReturn( $wikiPageMock );
}
$globalIdGenerator = $this->createMock( GlobalIdGenerator::class );
$globalIdGenerator->method( 'newUUIDv1' )->willReturn( 'uuid-uuid' );
return new ParserCache(
'test',
$storage ?: new HashBagOStuff(),
'19900220000000',
$hookContainer ?: $this->createHookContainer( [] ),
new JsonCodec(),
StatsFactory::newNull(),
$logger ?: new NullLogger(),
$this->createMock( TitleFactory::class ),
$wikiPageFactory,
$globalIdGenerator
);
}
/**
* @return array
*/
private function getDummyUsedOptions(): array {
return array_slice(
ParserOptions::allCacheVaryingOptions(),
0,
2
);
}
/**
* @return ParserOutput
*/
private function createDummyParserOutput(): ParserOutput {
$parserOutput = new ParserOutput();
$parserOutput->setRawText( 'TEST' );
foreach ( $this->getDummyUsedOptions() as $option ) {
$parserOutput->recordOption( $option );
}
$parserOutput->updateCacheExpiry( 4242 );
$parserOutput->setRenderId( 'dummy-render-id' );
$parserOutput->setCacheRevisionId( 0 );
// ParserOutput::getCacheTime() also sets it as a side effect
$parserOutput->setRevisionTimestamp( $parserOutput->getCacheTime() );
return $parserOutput;
}
/**
* @covers \ParserCache::getMetadata
*/
public function testGetMetadataMissing() {
$cache = $this->createParserCache();
$metadataFromCache = $cache->getMetadata( $this->page, ParserCache::USE_CURRENT_ONLY );
$this->assertNull( $metadataFromCache );
}
/**
* @covers \ParserCache::getMetadata
*/
public function testGetMetadataAllGood() {
$cache = $this->createParserCache();
$parserOutput = $this->createDummyParserOutput();
$cache->save( $parserOutput, $this->page, ParserOptions::newFromAnon(), $this->cacheTime );
$metadataFromCache = $cache->getMetadata( $this->page, ParserCache::USE_CURRENT_ONLY );
$this->assertNotNull( $metadataFromCache );
$this->assertSame( $this->getDummyUsedOptions(), $metadataFromCache->getUsedOptions() );
$this->assertSame( 4242, $metadataFromCache->getCacheExpiry() );
$this->assertSame( $this->page->getLatest(), $metadataFromCache->getCacheRevisionId() );
$this->assertSame( $this->cacheTime, $metadataFromCache->getCacheTime() );
}
/**
* @covers \ParserCache::getMetadata
*/
public function testGetMetadataExpired() {
$cache = $this->createParserCache();
$parserOutput = $this->createDummyParserOutput();
$cache->save( $parserOutput, $this->page, ParserOptions::newFromAnon(), $this->cacheTime );
$this->page = $this->createPageRecord( [ 'page_touched' => $this->time + 10000 ] );
$this->assertNull( $cache->getMetadata( $this->page, ParserCache::USE_CURRENT_ONLY ) );
$metadataFromCache = $cache->getMetadata( $this->page, ParserCache::USE_EXPIRED );
$this->assertNotNull( $metadataFromCache );
$this->assertSame( $this->getDummyUsedOptions(), $metadataFromCache->getUsedOptions() );
$this->assertSame( 4242, $metadataFromCache->getCacheExpiry() );
$this->assertSame( $this->page->getLatest(), $metadataFromCache->getCacheRevisionId() );
$this->assertSame( $this->cacheTime, $metadataFromCache->getCacheTime() );
}
/**
* @covers \ParserCache::getMetadata
*/
public function testGetMetadataOutdated() {
$cache = $this->createParserCache();
$parserOutput = $this->createDummyParserOutput();
$cache->save( $parserOutput, $this->page, ParserOptions::newFromAnon(), $this->cacheTime );
$this->page = $this->createPageRecord( [ 'page_latest' => $this->page->getLatest() + 1 ] );
$this->assertNull( $cache->getMetadata( $this->page, ParserCache::USE_CURRENT_ONLY ) );
$this->assertNull( $cache->getMetadata( $this->page, ParserCache::USE_EXPIRED ) );
$metadataFromCache = $cache->getMetadata( $this->page, ParserCache::USE_OUTDATED );
$this->assertSame( $this->getDummyUsedOptions(), $metadataFromCache->getUsedOptions() );
$this->assertSame( 4242, $metadataFromCache->getCacheExpiry() );
$this->assertNotSame( $this->page->getLatest(), $metadataFromCache->getCacheRevisionId() );
$this->assertSame( $this->cacheTime, $metadataFromCache->getCacheTime() );
}
/**
* @covers \ParserCache::makeParserOutputKey
*/
public function testMakeParserOutputKey() {
$cache = $this->createParserCache();
$options1 = ParserOptions::newFromAnon();
$options1->setOption( $this->getDummyUsedOptions()[0], 'value1' );
$key1 = $cache->makeParserOutputKey( $this->page, $options1, $this->getDummyUsedOptions() );
$this->assertNotNull( $key1 );
$options2 = ParserOptions::newFromAnon();
$options2->setOption( $this->getDummyUsedOptions()[0], 'value2' );
$key2 = $cache->makeParserOutputKey( $this->page, $options2, $this->getDummyUsedOptions() );
$this->assertNotNull( $key2 );
$this->assertNotSame( $key1, $key2 );
}
/*
* Test that fetching without storing first returns false.
* @covers \ParserCache::get
*/
public function testGetEmpty() {
$cache = $this->createParserCache();
$options = ParserOptions::newFromAnon();
$this->assertFalse( $cache->get( $this->page, $options ) );
}
/**
* Test that fetching with the same options return the saved value.
* @covers \ParserCache::get
* @covers \ParserCache::save
*/
public function testSaveGetSameOptions() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$options1 = ParserOptions::newFromAnon();
$options1->setOption( $this->getDummyUsedOptions()[0], 'value1' );
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
$savedOutput = $cache->get( $this->page, $options1 );
$this->assertInstanceOf( ParserOutput::class, $savedOutput );
// ParserCache adds a comment to the HTML, so check if the result starts with page content.
$this->assertStringStartsWith( 'TEST_TEXT', $savedOutput->getText() );
$this->assertSame( $this->cacheTime, $savedOutput->getCacheTime() );
$this->assertSame( $this->page->getLatest(), $savedOutput->getCacheRevisionId() );
}
/**
* Test that fetching with different unused option returns a value.
* @covers \ParserCache::get
* @covers \ParserCache::save
*/
public function testSaveGetDifferentUnusedOption() {
$cache = $this->createParserCache();
$optionName = $this->getDummyUsedOptions()[0];
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$options1 = ParserOptions::newFromAnon();
$options1->setOption( $optionName, 'value1' );
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
$options2 = ParserOptions::newFromAnon();
$options2->setOption( $optionName, 'value2' );
$savedOutput = $cache->get( $this->page, $options2 );
$this->assertInstanceOf( ParserOutput::class, $savedOutput );
// ParserCache adds a comment to the HTML, so check if the result starts with page content.
$this->assertStringStartsWith( 'TEST_TEXT', $savedOutput->getText() );
$this->assertSame( $this->cacheTime, $savedOutput->getCacheTime() );
$this->assertSame( $this->page->getLatest(), $savedOutput->getCacheRevisionId() );
}
/**
* Test that non-cacheable output is not stored
* @covers \ParserCache::save
* @covers \ParserCache::get
*/
public function testDoesNotStoreNonCacheable() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$parserOutput->updateCacheExpiry( 0 );
$options1 = ParserOptions::newFromAnon();
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
$this->assertFalse( $cache->get( $this->page, $options1 ) );
$this->assertFalse( $cache->get( $this->page, $options1, true ) );
$this->assertFalse( $cache->getDirty( $this->page, $options1 ) );
}
/**
* Test that ParserCacheFilter can be used to prevent content from being cached
* @covers \ParserCache::save
* @covers \ParserCache::get
*/
public function testDoesNotStoreFiltered() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$parserOutput->resetParseStartTime();
$parserOutput->recordTimeProfile();
// Only cache output that took at least 100 seconds of CPU to generate
$cache->setFilter( new ParserCacheFilter( [
'default' => [ 'minCpuTime' => 100 ]
] ) );
$options1 = ParserOptions::newFromAnon();
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
$this->assertFalse( $cache->get( $this->page, $options1 ) );
$this->assertFalse( $cache->get( $this->page, $options1, true ) );
$this->assertFalse( $cache->getDirty( $this->page, $options1 ) );
}
/**
* Test that ParserOptions::isSafeToCache is respected on save
* @covers \ParserCache::save
*/
public function testDoesNotStoreNotSafeToCacheAndUsed() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$parserOutput->recordOption( 'wrapclass' );
$options = ParserOptions::newFromAnon();
$options->setOption( 'wrapclass', 'wrapwrap' );
$cache->save( $parserOutput, $this->page, $options, $this->cacheTime );
$this->assertFalse( $cache->get( $this->page, $options ) );
$this->assertFalse( $cache->get( $this->page, $options, true ) );
$this->assertFalse( $cache->getDirty( $this->page, $options ) );
}
/**
* Test that ParserOptions::isSafeToCache is respected on get
* @covers \ParserCache::get
*/
public function testDoesNotGetNotSafeToCache() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$parserOutput->recordOption( 'wrapclass' );
$cache->save( $parserOutput, $this->page, ParserOptions::newFromAnon(), $this->cacheTime );
$otherOptions = ParserOptions::newFromAnon();
$otherOptions->setOption( 'wrapclass', 'wrapwrap' );
$this->assertFalse( $cache->get( $this->page, $otherOptions ) );
$this->assertFalse( $cache->get( $this->page, $otherOptions, true ) );
$this->assertFalse( $cache->getDirty( $this->page, $otherOptions ) );
}
/**
* Test that ParserOptions::isSafeToCache is respected on save
* @covers \ParserCache::save
* @covers \ParserCache::get
*/
public function testStoresNotSafeToCacheAndUnused() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$options = ParserOptions::newFromAnon();
$options->setOption( 'wrapclass', 'wrapwrap' );
$cache->save( $parserOutput, $this->page, $options, $this->cacheTime );
$this->assertStringContainsString( 'TEST_TEXT', $cache->get( $this->page, $options )->getText() );
}
/**
* Test that fetching with different used option don't return a value.
* @covers \ParserCache::get
* @covers \ParserCache::save
*/
public function testSaveGetDifferentUsedOption() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$optionName = $this->getDummyUsedOptions()[0];
$parserOutput->recordOption( $optionName );
$options1 = ParserOptions::newFromAnon();
$options1->setOption( $optionName, 'value1' );
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
$options2 = ParserOptions::newFromAnon();
$options2->setOption( $optionName, 'value2' );
$this->assertFalse( $cache->get( $this->page, $options2 ) );
}
/**
* Test that output with expired metadata can be retrieved with getDirty
* @covers \ParserCache::getDirty
* @covers \ParserCache::get
*/
public function testGetExpiredMetadata() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$parserOutput->updateCacheExpiry( 10 );
$options1 = ParserOptions::newFromAnon();
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
MWTimestamp::setFakeTime( $this->time + 15 * 1000 );
$this->assertFalse( $cache->get( $this->page, $options1 ) );
$this->assertInstanceOf( ParserOutput::class,
$cache->get( $this->page, $options1, true ) );
$this->assertInstanceOf( ParserOutput::class,
$cache->getDirty( $this->page, $options1 ) );
}
/**
* Test that expired output with not expired metadata can be retrieved with getDirty
* @covers \ParserCache::getDirty
* @covers \ParserCache::get
*/
public function testGetExpiredContent() {
$cache = $this->createParserCache();
$optionName = $this->getDummyUsedOptions()[0];
$parserOutput1 = new ParserOutput( 'TEST_TEXT1' );
$parserOutput1->recordOption( $optionName );
$parserOutput1->updateCacheExpiry( 10 );
$options1 = ParserOptions::newFromAnon();
$options1->setOption( $optionName, 'value1' );
$cache->save( $parserOutput1, $this->page, $options1, $this->cacheTime );
$parserOutput2 = new ParserOutput( 'TEST_TEXT2' );
$parserOutput2->recordOption( $optionName );
$parserOutput2->updateCacheExpiry( 100500600 );
$options2 = ParserOptions::newFromAnon();
$options2->setOption( $optionName, 'value2' );
$cache->save( $parserOutput2, $this->page, $options2, $this->cacheTime );
MWTimestamp::setFakeTime( $this->time + 15 * 1000 );
$this->assertFalse( $cache->get( $this->page, $options1 ) );
$this->assertInstanceOf( ParserOutput::class,
$cache->get( $this->page, $options1, true ) );
$this->assertInstanceOf( ParserOutput::class,
$cache->getDirty( $this->page, $options1 ) );
}
/**
* Test that output with outdated metadata can be retrieved with getDirty
* @covers \ParserCache::getDirty
* @covers \ParserCache::get
*/
public function testGetOutdatedMetadata() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$options1 = ParserOptions::newFromAnon();
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
$this->assertInstanceOf( ParserOutput::class,
$cache->get( $this->page, $options1 ) );
$this->page = $this->createPageRecord( [ 'page_latest' => $this->page->getLatest() + 1 ] );
$this->assertFalse( $cache->get( $this->page, $options1 ) );
$this->assertInstanceOf( ParserOutput::class,
$cache->get( $this->page, $options1, true ) );
$this->assertInstanceOf( ParserOutput::class,
$cache->getDirty( $this->page, $options1 ) );
}
/**
* Test that outdated output with good metadata can be retrieved with getDirty
* @covers \ParserCache::getDirty
* @covers \ParserCache::get
*/
public function testGetOutdatedContent() {
$cache = $this->createParserCache();
$optionName = $this->getDummyUsedOptions()[0];
$parserOutput1 = new ParserOutput( 'TEST_TEXT' );
$parserOutput1->recordOption( $optionName );
$options1 = ParserOptions::newFromAnon();
$options1->setOption( $optionName, 'value1' );
$cache->save( $parserOutput1, $this->page, $options1, $this->cacheTime );
$this->page = $this->createPageRecord( [ 'page_latest' => $this->page->getLatest() + 1 ] );
$parserOutput2 = new ParserOutput( 'TEST_TEXT' );
$parserOutput2->recordOption( $optionName );
$options2 = ParserOptions::newFromAnon();
$options2->setOption( $optionName, 'value2' );
$cache->save( $parserOutput2, $this->page, $options2, $this->cacheTime );
$this->assertFalse( $cache->get( $this->page, $options1 ) );
$this->assertInstanceOf( ParserOutput::class,
$cache->get( $this->page, $options1, true ) );
$this->assertInstanceOf( ParserOutput::class,
$cache->getDirty( $this->page, $options1 ) );
}
/**
* Test that fetching after deleting a key returns false.
* @covers \ParserCache::deleteOptionsKey
*/
public function testDeleteOptionsKey() {
$cache = $this->createParserCache();
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$options1 = ParserOptions::newFromAnon();
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
$this->assertInstanceOf( ParserOutput::class,
$cache->get( $this->page, $options1 ) );
$cache->deleteOptionsKey( $this->page );
$this->assertFalse( $cache->get( $this->page, $options1 ) );
}
/**
* Test that RejectParserCacheValue hook can reject ParserOutput
* @covers \ParserCache::get
*/
public function testRejectedByHook() {
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$options = ParserOptions::newFromAnon();
$options->setOption( $this->getDummyUsedOptions()[0], 'value1' );
$wikiPageMock = $this->createMock( WikiPage::class );
$wikiPageMock->method( 'getContentModel' )->willReturn( CONTENT_MODEL_WIKITEXT );
$wikiPageFactory = $this->createMock( WikiPageFactory::class );
$wikiPageFactory->method( 'newFromTitle' )
->with( $this->page )
->willReturn( $wikiPageMock );
$hookContainer = $this->createHookContainer( [
'RejectParserCacheValue' =>
function ( ParserOutput $value, WikiPage $hookPage, ParserOptions $popts )
use ( $wikiPageMock, $parserOutput, $options ) {
$this->assertEquals( $parserOutput, $value );
$this->assertSame( $wikiPageMock, $hookPage );
$this->assertSame( $options, $popts );
return false;
}
] );
$cache = $this->createParserCache( $hookContainer, null, null, $wikiPageFactory );
$cache->save( $parserOutput, $this->page, $options, $this->cacheTime );
$this->assertFalse( $cache->get( $this->page, $options ) );
}
/**
* Test that ParserCacheSaveComplete hook is run
* @covers \ParserCache::save
*/
public function testParserCacheSaveCompleteHook() {
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$options = ParserOptions::newFromAnon();
$options->setOption( $this->getDummyUsedOptions()[0], 'value1' );
$hookContainer = $this->createHookContainer( [
'ParserCacheSaveComplete' =>
function (
ParserCache $hookCache, ParserOutput $value, Title $hookTitle, ParserOptions $popts, int $revId
) use ( $parserOutput, $options ) {
$this->assertSame( $parserOutput, $value );
$this->assertSame( $options, $popts );
$this->assertSame( 42, $revId );
}
] );
$cache = $this->createParserCache( $hookContainer );
$cache->save( $parserOutput, $this->page, $options, $this->cacheTime, 42 );
}
/**
* Tests that parser cache respects skipped if page does not exist
* @covers \ParserCache::get
*/
public function testSkipIfNotExist() {
$mockPage = $this->createNoOpMock( PageRecord::class, [ 'exists', 'assertWiki' ] );
$mockPage->method( 'exists' )->willReturn( false );
$wikiPageMock = $this->createMock( WikiPage::class );
$wikiPageMock->method( 'getContentModel' )->willReturn( 'wikitext' );
$wikiPageFactoryMock = $this->createMock( WikiPageFactory::class );
$wikiPageFactoryMock->method( 'newFromTitle' )
->with( $mockPage )
->willReturn( $wikiPageMock );
$cache = $this->createParserCache( null, null, null, $wikiPageFactoryMock );
$this->assertFalse( $cache->get( $mockPage, ParserOptions::newFromAnon() ) );
}
/**
* Tests that parser cache respects skipped if page is redirect
* @covers \ParserCache::get
*/
public function testSkipIfRedirect() {
$cache = $this->createParserCache();
$page = $this->createPageRecord( [
'page_is_redirect' => true
] );
$this->assertFalse( $cache->get( $page, ParserOptions::newFromAnon() ) );
}
/**
* Tests that getCacheStorage returns underlying BagOStuff
* @covers \ParserCache::getCacheStorage
*/
public function testGetCacheStorage() {
$storage = new EmptyBagOStuff();
$cache = $this->createParserCache( null, $storage );
$this->assertSame( $storage, $cache->getCacheStorage() );
}
/**
* @covers \ParserCache::save
*/
public function testSaveNoText() {
$this->expectException( InvalidArgumentException::class );
$this->createParserCache()->save(
new ParserOutput( null ),
$this->page,
ParserOptions::newFromAnon()
);
}
public static function provideCorruptData() {
yield 'JSON serialization, bad data' => [ 'bla bla' ];
yield 'JSON serialization, no _class_' => [ '{"test":"test"}' ];
yield 'JSON serialization, non-existing _class_' => [ '{"_class_":"NonExistentBogusClass"}' ];
$wrongInstance = new JsonDeserializableSuperClass( 'test' );
yield 'JSON serialization, wrong class' => [ json_encode( $wrongInstance->jsonSerialize() ) ];
}
/**
* Test that we handle corrupt data gracefully.
* This is important for forward-compatibility with JSON serialization.
* We want to be sure that we don't crash horribly if we have to roll
* back to a version of the code that doesn't know about JSON.
*
* @dataProvider provideCorruptData
* @covers \ParserCache::get
* @covers \ParserCache::restoreFromJson
* @param string $data
*/
public function testCorruptData( string $data ) {
$cache = $this->createParserCache( null, new HashBagOStuff() );
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$options1 = ParserOptions::newFromAnon();
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
$outputKey = $cache->makeParserOutputKey(
$this->page,
$options1,
$parserOutput->getUsedOptions()
);
$cache->getCacheStorage()->set( $outputKey, $data );
// just make sure we don't crash and burn
$this->assertFalse( $cache->get( $this->page, $options1 ) );
}
/**
* Test that we handle corrupt data gracefully.
* This is important for forward-compatibility with JSON serialization.
* We want to be sure that we don't crash horribly if we have to roll
* back to a version of the code that doesn't know about JSON.
*
* @covers \ParserCache::getMetadata
*/
public function testCorruptMetadata() {
$cacheStorage = new HashBagOStuff();
$cache = $this->createParserCache( null, $cacheStorage );
$parserOutput = new ParserOutput( 'TEST_TEXT' );
$options1 = ParserOptions::newFromAnon();
$cache->save( $parserOutput, $this->page, $options1, $this->cacheTime );
// Mess up the metadata
$optionsKey = TestingAccessWrapper::newFromObject( $cache )->makeMetadataKey(
$this->page
);
$cacheStorage->set( $optionsKey, 'bad data' );
// Recreate the cache to drop in-memory cached metadata.
$cache = $this->createParserCache( null, $cacheStorage );
// just make sure we don't crash and burn
$this->assertNull( $cache->getMetadata( $this->page ) );
}
/**
* Test what happens when upgrading from 1.35 or earlier,
* when old cache entries do not yet use JSON.
*
* @covers \ParserCache::get
*/
public function testMigrationToJson() {
$bagOStuff = new HashBagOStuff();
$wikiPageMock = $this->createMock( WikiPage::class );
$wikiPageMock->method( 'getContentModel' )->willReturn( CONTENT_MODEL_WIKITEXT );
$wikiPageFactory = $this->createMock( WikiPageFactory::class );
$wikiPageFactory->method( 'newFromTitle' )->willReturn( $wikiPageMock );
$globalIdGenerator = $this->createMock( GlobalIdGenerator::class );
$globalIdGenerator->method( 'newUUIDv1' )->willReturn( 'uuid-uuid' );
$cache = $this->getMockBuilder( ParserCache::class )
->setConstructorArgs( [
'test',
$bagOStuff,
'19900220000000',
$this->createHookContainer( [] ),
new JsonCodec(),
StatsFactory::newNull(),
new NullLogger(),
$this->createMock( TitleFactory::class ),
$wikiPageFactory,
$globalIdGenerator
] )
->onlyMethods( [ 'convertForCache' ] )
->getMock();
// Emulate pre-1.36 behavior: rely on native PHP serialization.
// Note that backwards compatibility of the actual serialization is covered
// by ParserOutputTest which uses various versions of serialized data
// under tests/phpunit/data/ParserCache.
$cache->method( 'convertForCache' )->willReturnCallback(
static function ( CacheTime $obj, string $key ) {
return $obj;
}
);
$parserOutput1 = new ParserOutput( 'Lorem Ipsum' );
$options = ParserOptions::newFromAnon();
$cache->save( $parserOutput1, $this->page, $options, $this->cacheTime );
// emulate migration to JSON
$cache = $this->createParserCache( null, $bagOStuff );
// make sure we can load non-json cache data
$cachedOutput = $cache->get( $this->page, $options );
$this->assertEquals( $parserOutput1, $cachedOutput );
// now test that the cache works when using JSON
$parserOutput2 = new ParserOutput( 'dolor sit amet' );
$cache->save( $parserOutput2, $this->page, $options, $this->cacheTime );
// make sure we can load json cache data
$cachedOutput = $cache->get( $this->page, $options );
$this->assertEquals( $parserOutput2, $cachedOutput );
}
/**
* @covers \ParserCache::convertForCache
*/
public function testNonSerializableJsonIsReported() {
$testLogger = new TestLogger( true );
$cache = $this->createParserCache( null, null, $testLogger );
$parserOutput = $this->createDummyParserOutput();
$parserOutput->setExtensionData( 'test', new User() );
$cache->save( $parserOutput, $this->page, ParserOptions::newFromAnon() );
$this->assertArraySubmapSame(
[ [ LogLevel::ERROR, 'Unable to serialize JSON' ] ],
$testLogger->getBuffer()
);
}
/**
* @covers \ParserCache::convertForCache
*/
public function testCyclicStructuresDoNotBlowUpInJson() {
$this->markTestSkipped( 'Temporarily disabled: T314338' );
$testLogger = new TestLogger( true );
$cache = $this->createParserCache( null, null, $testLogger );
$parserOutput = $this->createDummyParserOutput();
$cyclicArray = [ 'a' => 'b' ];
$cyclicArray['c'] = &$cyclicArray;
$parserOutput->setExtensionData( 'test', $cyclicArray );
$cache->save( $parserOutput, $this->page, ParserOptions::newFromAnon() );
$this->assertArraySubmapSame(
[ [ LogLevel::ERROR, 'Unable to serialize JSON' ] ],
$testLogger->getBuffer()
);
}
/**
* Tests that unicode characters are not \u escaped
*
* @covers \ParserCache::convertForCache
*/
public function testJsonEncodeUnicode() {
$unicodeCharacter = "Э";
$cache = $this->createParserCache( null, new HashBagOStuff() );
$parserOutput = $this->createDummyParserOutput();
$parserOutput->setRawText( $unicodeCharacter );
$cache->save( $parserOutput, $this->page, ParserOptions::newFromAnon() );
$json = $cache->getCacheStorage()->get(
$cache->makeParserOutputKey( $this->page, ParserOptions::newFromAnon() )
);
$this->assertStringNotContainsString( "\u003E", $json );
$this->assertStringContainsString( $unicodeCharacter, $json );
}
}