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<?php |
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namespace Wikibase\DataModel\Services\Tests\Lookup; |
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use DataValues\StringValue; |
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use PHPUnit\Framework\TestCase; |
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use Wikibase\DataModel\Entity\EntityId; |
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use Wikibase\DataModel\Entity\EntityIdValue; |
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use Wikibase\DataModel\Entity\Item; |
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use Wikibase\DataModel\Entity\ItemId; |
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use Wikibase\DataModel\Entity\PropertyId; |
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use Wikibase\DataModel\Services\Entity\EntityPrefetcher; |
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use Wikibase\DataModel\Services\Entity\NullEntityPrefetcher; |
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use Wikibase\DataModel\Services\Lookup\EntityLookup; |
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use Wikibase\DataModel\Services\Lookup\EntityLookupException; |
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use Wikibase\DataModel\Services\Lookup\EntityRetrievingClosestReferencedEntityIdLookup; |
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use Wikibase\DataModel\Services\Lookup\InMemoryEntityLookup; |
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use Wikibase\DataModel\Services\Lookup\MaxReferencedEntityVisitsExhaustedException; |
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use Wikibase\DataModel\Services\Lookup\MaxReferenceDepthExhaustedException; |
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use Wikibase\DataModel\Services\Lookup\ReferencedEntityIdLookupException; |
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use Wikibase\DataModel\Snak\PropertyNoValueSnak; |
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use Wikibase\DataModel\Snak\PropertyValueSnak; |
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use Wikibase\DataModel\Statement\Statement; |
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use Wikibase\DataModel\Statement\StatementList; |
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/** |
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* @covers \Wikibase\DataModel\Services\Lookup\EntityRetrievingClosestReferencedEntityIdLookup |
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* @SuppressWarnings(PHPMD.CouplingBetweenObjects) |
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* |
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* @license GPL-2.0-or-later |
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* @author Marius Hoch |
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*/ |
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class EntityRetrievingClosestReferencedEntityIdLookupTest extends TestCase { |
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/** |
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* @param EntityLookup $entityLookup |
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* @param int|null $expectedNumberOfGetEntityCalls |
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* @return EntityLookup |
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*/ |
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private function restrictEntityLookup( EntityLookup $entityLookup, $expectedNumberOfGetEntityCalls = null ) { |
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$entityLookupMock = $this->createMock( EntityLookup::class ); |
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$entityLookupMock->expects( |
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$expectedNumberOfGetEntityCalls === null ? $this->any() : $this->exactly( $expectedNumberOfGetEntityCalls ) |
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) |
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->method( 'getEntity' ) |
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->willReturnCallback( function ( EntityId $entityId ) use ( $entityLookup ) { |
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return $entityLookup->getEntity( $entityId ); |
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} ); |
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return $entityLookupMock; |
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} |
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/** |
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* @param int $expectedPrefetches |
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* @return EntityPrefetcher |
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*/ |
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private function newEntityPrefetcher( $expectedPrefetches ) { |
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$entityPrefetcher = $this->createMock( EntityPrefetcher::class ); |
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$entityPrefetcher->expects( $this->exactly( $expectedPrefetches ) ) |
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->method( 'prefetch' ) |
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->with( $this->isType( 'array' ) ); |
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return $entityPrefetcher; |
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} |
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/** |
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* @param PropertyId $via |
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* @param EntityId[] $to |
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* |
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* @return StatementList |
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*/ |
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private function newReferencingStatementList( PropertyId $via, array $to ) { |
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$statementList = new StatementList(); |
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foreach ( $to as $toId ) { |
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$value = new EntityIdValue( $toId ); |
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$mainSnak = new PropertyValueSnak( $via, $value ); |
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$statementList->addStatement( new Statement( $mainSnak ) ); |
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} |
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return $statementList; |
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} |
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/** |
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* @return EntityLookup |
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*/ |
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private function newReferencingEntityStructure() { |
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// This returns the following entity structure (all entities linked by P599) |
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// Q1 -> Q5 -> Q599 -> Q1234 |
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// \ \ |
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// \ -- Q12 -> Q404 |
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// --- Q90 -> Q3 |
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// Note: Q404 doesn't exist |
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$pSubclassOf = new PropertyId( 'P599' ); |
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$q1 = new ItemId( 'Q1' ); |
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$q5 = new ItemId( 'Q5' ); |
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$q599 = new ItemId( 'Q599' ); |
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$q12 = new ItemId( 'Q12' ); |
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$q404 = new ItemId( 'Q404' ); |
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$q1234 = new ItemId( 'Q1234' ); |
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$q90 = new ItemId( 'Q90' ); |
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$q3 = new ItemId( 'Q3' ); |
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$lookup = new InMemoryEntityLookup(); |
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$lookup->addEntity( |
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new Item( $q1, null, null, $this->newReferencingStatementList( $pSubclassOf, [ $q5, $q90 ] ) ) |
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); |
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$lookup->addEntity( |
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new Item( $q5, null, null, $this->newReferencingStatementList( $pSubclassOf, [ $q599 ] ) ) |
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); |
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$lookup->addEntity( |
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new Item( $q599, null, null, $this->newReferencingStatementList( $pSubclassOf, [ $q12, $q1234 ] ) ) |
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); |
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$lookup->addEntity( |
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new Item( $q12, null, null, $this->newReferencingStatementList( $pSubclassOf, [ $q404 ] ) ) |
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); |
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$lookup->addEntity( |
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new Item( $q90, null, null, $this->newReferencingStatementList( $pSubclassOf, [ $q3 ] ) ) |
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); |
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$lookup->addEntity( new Item( $q1234, null, null, null ) ); |
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$lookup->addEntity( new Item( $q3, null, null, null ) ); |
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return $lookup; |
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} |
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/** |
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* @return EntityLookup |
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*/ |
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private function newCircularReferencingEntityStructure() { |
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// This returns the following entity structure (all entities linked by P599) |
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// Q1 -> Q5 -> Q1 -> Q5 -> … |
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// \ \ |
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// --- Q90 --- Q90 |
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$pSubclassOf = new PropertyId( 'P599' ); |
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$q1 = new ItemId( 'Q1' ); |
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$q5 = new ItemId( 'Q5' ); |
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$q90 = new ItemId( 'Q90' ); |
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$lookup = new InMemoryEntityLookup(); |
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$lookup->addEntity( |
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new Item( $q1, null, null, $this->newReferencingStatementList( $pSubclassOf, [ $q5, $q90 ] ) ) |
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); |
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$lookup->addEntity( |
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new Item( $q5, null, null, $this->newReferencingStatementList( $pSubclassOf, [ $q1 ] ) ) |
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); |
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$lookup->addEntity( |
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new Item( $q90, null, null, null ) |
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); |
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return $lookup; |
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} |
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/** |
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* @SuppressWarnings(PHPMD.ExcessiveMethodLength) |
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*/ |
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public function provideGetReferencedEntityIdNoError() { |
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$pSubclassOf = new PropertyId( 'P599' ); |
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$q1 = new ItemId( 'Q1' ); |
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$q3 = new ItemId( 'Q3' ); |
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$q5 = new ItemId( 'Q5' ); |
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$q12 = new ItemId( 'Q12' ); |
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$q403 = new ItemId( 'Q403' ); |
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$q404 = new ItemId( 'Q404' ); |
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$referencingEntityStructureLookup = $this->newReferencingEntityStructure(); |
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$circularReferencingEntityStructure = $this->newCircularReferencingEntityStructure(); |
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return [ |
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'empty list of target ids' => [ |
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null, |
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0, |
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0, |
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$referencingEntityStructureLookup, |
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$q1, |
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$pSubclassOf, |
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[] |
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], |
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'no such statement' => [ |
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null, |
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1, |
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0, |
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$referencingEntityStructureLookup, |
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$q1, |
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new PropertyId( 'P12345' ), |
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[ $q5 ] |
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], |
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'from id does not exist' => [ |
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null, |
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1, |
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0, |
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$referencingEntityStructureLookup, |
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$q404, |
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$pSubclassOf, |
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[ $q5 ] |
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], |
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'directly referenced entity #1' => [ |
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$q5, |
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1, |
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0, |
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$referencingEntityStructureLookup, |
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$q1, |
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$pSubclassOf, |
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[ $q5 ] |
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], |
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'directly referenced entity #2' => [ |
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$q1, |
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1, |
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0, |
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$circularReferencingEntityStructure, |
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$q5, |
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$pSubclassOf, |
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[ $q12, $q403, $q1, $q404 ] |
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], |
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'directly referenced entity, two target ids' => [ |
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$q5, |
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1, |
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0, |
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$referencingEntityStructureLookup, |
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$q1, |
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$pSubclassOf, |
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[ $q5, $q404 ] |
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], |
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'indirectly referenced entity #1' => [ |
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$q3, |
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3, |
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1, |
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$referencingEntityStructureLookup, |
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$q1, |
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$pSubclassOf, |
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[ $q3 ] |
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], |
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'indirectly referenced entity #2' => [ |
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$q12, |
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4, |
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2, |
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$referencingEntityStructureLookup, |
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$q1, |
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$pSubclassOf, |
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[ $q12 ] |
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], |
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'indirectly referenced entity, multiple target ids' => [ |
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$q12, |
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4, |
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2, |
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$referencingEntityStructureLookup, |
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$q1, |
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$pSubclassOf, |
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[ $q12, $q403, $q404 ] |
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], |
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'indirectly referenced entity, multiple target ids' => [ |
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$q12, |
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4, |
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2, |
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$referencingEntityStructureLookup, |
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$q1, |
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$pSubclassOf, |
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[ $q12, $q403, $q404 ] |
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], |
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'circular reference detection' => [ |
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null, |
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3, |
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1, |
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$circularReferencingEntityStructure, |
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$q1, |
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$pSubclassOf, |
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[ $q403, $q404 ] |
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], |
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]; |
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} |
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/** |
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* @dataProvider provideGetReferencedEntityIdNoError |
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*/ |
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public function testGetReferencedEntityIdNoError( |
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?EntityId $expectedToId, |
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$maxEntityVisits, |
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$maxDepth, |
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EntityLookup $entityLookup, |
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EntityId $fromId, |
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PropertyId $propertyId, |
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array $toIds |
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) { |
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// Number of prefetching operations to expect (Note: We call getReferencedEntityId twice) |
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$expectedNumberOfPrefetches = $maxEntityVisits ? ( $maxDepth + 1 ) * 2 : 0; |
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$lookup = new EntityRetrievingClosestReferencedEntityIdLookup( |
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$this->restrictEntityLookup( $entityLookup, $maxEntityVisits * 2 ), |
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$this->newEntityPrefetcher( $expectedNumberOfPrefetches ), |
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$maxDepth, |
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$maxEntityVisits |
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); |
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$result = $lookup->getReferencedEntityId( $fromId, $propertyId, $toIds ); |
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$this->assertEquals( $expectedToId, $result ); |
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// Run again to see if the maxDepth/visitedEntityRelated state is properly resetted |
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$this->assertEquals( |
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$expectedToId, |
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$lookup->getReferencedEntityId( $fromId, $propertyId, $toIds ) |
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); |
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} |
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public function provideGetReferencedEntityIdMaxDepthExceeded() { |
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$cases = $this->provideGetReferencedEntityIdNoError(); |
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foreach ( $cases as $caseName => $case ) { |
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if ( end( $case ) === [] ) { |
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// In case we search for nothing, the max depth can't ever be exceeded |
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continue; |
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} |
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// Remove expected to id |
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array_shift( $case ); |
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// Reduce max depth by 1 |
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$case[1]--; |
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yield $caseName => $case; |
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} |
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} |
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/** |
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* @dataProvider provideGetReferencedEntityIdMaxDepthExceeded |
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*/ |
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public function testGetReferencedEntityIdMaxDepthExceeded( |
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$maxEntityVisits, |
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$maxDepth, |
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EntityLookup $entityLookup, |
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EntityId $fromId, |
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PropertyId $propertyId, |
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array $toIds |
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) { |
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$lookup = new EntityRetrievingClosestReferencedEntityIdLookup( |
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$this->restrictEntityLookup( $entityLookup ), |
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new NullEntityPrefetcher(), |
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$maxDepth, |
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$maxEntityVisits |
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); |
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try { |
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$lookup->getReferencedEntityId( $fromId, $propertyId, $toIds ); |
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} catch ( MaxReferenceDepthExhaustedException $exception ) { |
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$this->assertSame( $maxDepth, $exception->getMaxDepth() ); |
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return; |
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} |
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$this->fail( 'No expection thrown!' ); |
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} |
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public function provideGetReferencedEntityIdMaxEntityVisitsExceeded() { |
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$cases = $this->provideGetReferencedEntityIdNoError(); |
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foreach ( $cases as $caseName => $case ) { |
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if ( end( $case ) === [] ) { |
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// In case we search for nothing, no entity will ever be loaded |
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continue; |
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} |
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|
362
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// Remove expected to id |
363
|
|
|
array_shift( $case ); |
364
|
|
|
// Reduce max entity visits by 1 |
365
|
|
|
$case[0]--; |
366
|
|
|
|
367
|
|
|
yield $caseName => $case; |
368
|
|
|
} |
369
|
|
|
} |
370
|
|
|
|
371
|
|
|
/** |
372
|
|
|
* @dataProvider provideGetReferencedEntityIdMaxEntityVisitsExceeded |
373
|
|
|
*/ |
374
|
|
|
public function testGetReferencedEntityIdMaxEntityVisitsExceeded( |
375
|
|
|
$maxEntityVisits, |
376
|
|
|
$maxDepth, |
377
|
|
|
EntityLookup $entityLookup, |
378
|
|
|
EntityId $fromId, |
379
|
|
|
PropertyId $propertyId, |
380
|
|
|
array $toIds |
381
|
|
|
) { |
382
|
|
|
$lookup = new EntityRetrievingClosestReferencedEntityIdLookup( |
383
|
|
|
$this->restrictEntityLookup( $entityLookup, $maxEntityVisits ), |
|
|
|
|
384
|
|
|
new NullEntityPrefetcher(), |
385
|
|
|
$maxDepth, |
386
|
|
|
$maxEntityVisits |
387
|
|
|
); |
388
|
|
|
|
389
|
|
|
try { |
390
|
|
|
$lookup->getReferencedEntityId( $fromId, $propertyId, $toIds ); |
391
|
|
|
} catch ( MaxReferencedEntityVisitsExhaustedException $exception ) { |
392
|
|
|
$this->assertSame( $maxEntityVisits, $exception->getMaxEntityVisits() ); |
393
|
|
|
|
394
|
|
|
return; |
395
|
|
|
} |
396
|
|
|
$this->fail( 'No expection thrown!' ); |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
public function provideGetReferencedEntityIdTestInvalidSnak() { |
400
|
|
|
$q42 = new ItemId( 'Q42' ); |
401
|
|
|
$p1 = new PropertyId( 'P1' ); |
402
|
|
|
$p2 = new PropertyId( 'P2' ); |
403
|
|
|
$statementList = new StatementList(); |
404
|
|
|
|
405
|
|
|
$statementList->addStatement( |
406
|
|
|
new Statement( new PropertyNoValueSnak( $p1 ) ) |
407
|
|
|
); |
408
|
|
|
|
409
|
|
|
$statementList->addStatement( |
410
|
|
|
new Statement( new PropertyValueSnak( $p2, new StringValue( '12' ) ) ) |
411
|
|
|
); |
412
|
|
|
|
413
|
|
|
$entityLookup = new InMemoryEntityLookup(); |
414
|
|
|
$entityLookup->addEntity( new Item( $q42, null, null, $statementList ) ); |
415
|
|
|
|
416
|
|
|
return [ |
417
|
|
|
'no value snak' => [ |
418
|
|
|
$entityLookup, |
419
|
|
|
$q42, |
420
|
|
|
$p1, |
421
|
|
|
[ $q42 ] |
422
|
|
|
], |
423
|
|
|
'wrong datatype' => [ |
424
|
|
|
$entityLookup, |
425
|
|
|
$q42, |
426
|
|
|
$p2, |
427
|
|
|
[ $q42 ] |
428
|
|
|
], |
429
|
|
|
]; |
430
|
|
|
} |
431
|
|
|
|
432
|
|
|
/** |
433
|
|
|
* @dataProvider provideGetReferencedEntityIdTestInvalidSnak |
434
|
|
|
*/ |
435
|
|
|
public function testGetReferencedEntityIdTestInvalidSnak( |
436
|
|
|
EntityLookup $entityLookup, |
437
|
|
|
EntityId $fromId, |
438
|
|
|
PropertyId $propertyId, |
439
|
|
|
array $toIds |
440
|
|
|
) { |
441
|
|
|
$lookup = new EntityRetrievingClosestReferencedEntityIdLookup( |
442
|
|
|
$this->restrictEntityLookup( $entityLookup, 1 ), |
|
|
|
|
443
|
|
|
new NullEntityPrefetcher(), |
444
|
|
|
0, |
445
|
|
|
1 |
446
|
|
|
); |
447
|
|
|
|
448
|
|
|
$this->assertNull( |
449
|
|
|
$lookup->getReferencedEntityId( $fromId, $propertyId, $toIds ) |
450
|
|
|
); |
451
|
|
|
} |
452
|
|
|
|
453
|
|
|
public function testGetReferencedEntityIdEntityLookupException() { |
454
|
|
|
$q2013 = new ItemId( 'Q2013' ); |
455
|
|
|
|
456
|
|
|
$entityLookupException = new EntityLookupException( $q2013 ); |
457
|
|
|
$entityLookup = new InMemoryEntityLookup(); |
458
|
|
|
$entityLookup->addException( $entityLookupException ); |
459
|
|
|
|
460
|
|
|
$lookup = new EntityRetrievingClosestReferencedEntityIdLookup( |
461
|
|
|
$entityLookup, |
462
|
|
|
new NullEntityPrefetcher(), |
463
|
|
|
50, |
464
|
|
|
50 |
465
|
|
|
); |
466
|
|
|
|
467
|
|
|
try { |
468
|
|
|
$lookup->getReferencedEntityId( $q2013, new PropertyId( 'P31' ), [ new ItemId( 'Q154187' ) ] ); |
469
|
|
|
} catch ( ReferencedEntityIdLookupException $exception ) { |
470
|
|
|
$this->assertInstanceOf( EntityLookupException::class, $exception->getPrevious() ); |
471
|
|
|
|
472
|
|
|
return; |
473
|
|
|
} |
474
|
|
|
$this->fail( 'No expection thrown!' ); |
475
|
|
|
} |
476
|
|
|
|
477
|
|
|
} |
478
|
|
|
|
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: