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<?php |
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namespace Wikibase\DataModel\Tests; |
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use Hashable; |
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use InvalidArgumentException; |
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use Traversable; |
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use Wikibase\DataModel\Entity\PropertyId; |
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use Wikibase\DataModel\Reference; |
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use Wikibase\DataModel\ReferenceList; |
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use Wikibase\DataModel\Snak\PropertyNoValueSnak; |
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use Wikibase\DataModel\Snak\SnakList; |
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/** |
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* @covers \Wikibase\DataModel\ReferenceList |
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* |
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* @group Wikibase |
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* @group WikibaseDataModel |
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* @group WikibaseReference |
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* |
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* @license GPL-2.0-or-later |
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* @author Jeroen De Dauw < [email protected] > |
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* @author Thiemo Kreuz |
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*/ |
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class ReferenceListTest extends \PHPUnit\Framework\TestCase { |
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public function instanceProvider() { |
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return [ |
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[ new ReferenceList( [] ) ], |
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[ new ReferenceList( [ |
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new Reference(), |
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new Reference( [ new PropertyNoValueSnak( 2 ) ] ), |
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new Reference( [ new PropertyNoValueSnak( 3 ) ] ), |
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] ) ], |
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]; |
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} |
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public function testCanConstructWithReferenceListObject() { |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$original = new ReferenceList( [ $reference ] ); |
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$copy = new ReferenceList( $original ); |
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$this->assertSame( 1, $copy->count() ); |
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$this->assertNotNull( $copy->getReference( $reference->getHash() ) ); |
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} |
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public function testConstructorIgnoresIdenticalObjects() { |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$list = new ReferenceList( [ $reference, $reference ] ); |
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$this->assertCount( 1, $list ); |
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} |
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public function testConstructorDoesNotIgnoreCopies() { |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$list = new ReferenceList( [ $reference, clone $reference ] ); |
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$this->assertCount( 2, $list ); |
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} |
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/** |
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* @dataProvider invalidConstructorArgumentsProvider |
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*/ |
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public function testGivenInvalidConstructorArguments_constructorThrowsException( $input ) { |
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$this->expectException( InvalidArgumentException::class ); |
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new ReferenceList( $input ); |
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} |
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public function invalidConstructorArgumentsProvider() { |
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$id1 = new PropertyId( 'P1' ); |
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return [ |
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[ null ], |
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[ false ], |
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[ 1 ], |
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[ 0.1 ], |
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[ 'string' ], |
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[ $id1 ], |
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[ new PropertyNoValueSnak( $id1 ) ], |
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[ new Reference() ], |
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[ new SnakList( [ new PropertyNoValueSnak( $id1 ) ] ) ], |
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[ [ new PropertyNoValueSnak( $id1 ) ] ], |
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[ [ new ReferenceList() ] ], |
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[ [ new SnakList() ] ], |
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]; |
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} |
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public function testGetIterator_isTraversable() { |
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$references = new ReferenceList(); |
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$references->addNewReference( new PropertyNoValueSnak( 1 ) ); |
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$iterator = $references->getIterator(); |
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$this->assertInstanceOf( Traversable::class, $iterator ); |
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$this->assertCount( 1, $iterator ); |
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foreach ( $references as $reference ) { |
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$this->assertInstanceOf( Reference::class, $reference ); |
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} |
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} |
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/** |
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* @dataProvider instanceProvider |
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*/ |
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public function testHasReferenceBeforeRemoveButNotAfter( ReferenceList $array ) { |
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if ( $array->count() === 0 ) { |
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$this->assertTrue( true ); |
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return; |
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} |
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/** |
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* @var Reference $hashable |
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*/ |
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foreach ( iterator_to_array( $array ) as $hashable ) { |
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$this->assertTrue( $array->hasReference( $hashable ) ); |
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$array->removeReference( $hashable ); |
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$this->assertFalse( $array->hasReference( $hashable ) ); |
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} |
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} |
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public function testGivenCloneOfReferenceInList_hasReferenceReturnsTrue() { |
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$list = new ReferenceList(); |
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$reference = new Reference( [ new PropertyNoValueSnak( 42 ) ] ); |
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$sameReference = unserialize( serialize( $reference ) ); |
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$list->addReference( $reference ); |
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$this->assertTrue( |
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$list->hasReference( $sameReference ), |
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'hasReference should return true when a reference with the same value is present, even ' |
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. 'when its another instance' |
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); |
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} |
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/** |
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* @dataProvider instanceProvider |
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*/ |
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public function testRemoveReference( ReferenceList $array ) { |
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$elementCount = count( $array ); |
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/** |
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* @var Reference $element |
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*/ |
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foreach ( iterator_to_array( $array ) as $element ) { |
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$this->assertTrue( $array->hasReference( $element ) ); |
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$array->removeReference( $element ); |
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$this->assertFalse( $array->hasReference( $element ) ); |
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$this->assertSame( --$elementCount, count( $array ) ); |
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} |
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if ( $elementCount === 0 ) { |
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$this->assertTrue( true ); |
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} |
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} |
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public function testRemoveReferenceRemovesIdenticalObjects() { |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$references = new ReferenceList( [ $reference, $reference ] ); |
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$references->removeReference( $reference ); |
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$this->assertTrue( $references->isEmpty() ); |
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} |
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public function testRemoveReferenceDoesNotRemoveCopies() { |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$references = new ReferenceList( [ $reference, clone $reference ] ); |
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$references->removeReference( $reference ); |
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$this->assertFalse( $references->isEmpty() ); |
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$this->assertTrue( $references->hasReference( $reference ) ); |
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$this->assertNotSame( $reference, $references->getReference( $reference->getHash() ) ); |
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} |
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public function testAddReferenceOnEmptyList() { |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$references = new ReferenceList(); |
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$references->addReference( $reference ); |
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$this->assertCount( 1, $references ); |
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$expectedList = new ReferenceList( [ $reference ] ); |
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$this->assertSameReferenceOrder( $expectedList, $references ); |
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} |
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private function assertSameReferenceOrder( ReferenceList $expectedList, ReferenceList $references ) { |
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$this->assertSame( |
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iterator_to_array( $expectedList ), |
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iterator_to_array( $references ) |
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); |
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} |
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public function testAddReferenceAtTheEnd() { |
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$reference1 = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$reference2 = new Reference( [ new PropertyNoValueSnak( 2 ) ] ); |
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$reference3 = new Reference( [ new PropertyNoValueSnak( 3 ) ] ); |
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$references = new ReferenceList( [ $reference1, $reference2 ] ); |
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$references->addReference( $reference3 ); |
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$this->assertCount( 3, $references ); |
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$expectedList = new ReferenceList( [ $reference1, $reference2, $reference3 ] ); |
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$this->assertSameReferenceOrder( $expectedList, $references ); |
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} |
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public function testAddReferenceBetweenExistingReferences() { |
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$reference1 = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$reference2 = new Reference( [ new PropertyNoValueSnak( 2 ) ] ); |
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$list = new ReferenceList( [ $reference1, $reference2 ] ); |
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$reference3 = new Reference( [ new PropertyNoValueSnak( 3 ) ] ); |
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$list->addReference( $reference3, 1 ); |
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$this->assertCount( 3, $list ); |
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$this->assertSame( 1, $list->indexOf( $reference3 ) ); |
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} |
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public function testAddReferenceIgnoresIdenticalObjects() { |
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$list = new ReferenceList(); |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$list->addReference( $reference ); |
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$list->addReference( $reference ); |
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$this->assertCount( 1, $list ); |
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} |
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public function testAddReferenceDoesNotIgnoreCopies() { |
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$list = new ReferenceList(); |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$list->addReference( $reference ); |
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$list->addReference( clone $reference ); |
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$this->assertCount( 2, $list ); |
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} |
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public function testAddReferenceAtIndexIgnoresIdenticalObjects() { |
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$list = new ReferenceList(); |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$list->addReference( $reference, 0 ); |
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$list->addReference( $reference, 0 ); |
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$this->assertCount( 1, $list ); |
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} |
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public function testAddReferenceAtIndexMovesIdenticalObjects() { |
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$list = new ReferenceList(); |
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$list->addNewReference( new PropertyNoValueSnak( 1 ) ); |
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$reference = new Reference( [ new PropertyNoValueSnak( 2 ) ] ); |
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$list->addReference( $reference ); |
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$list->addNewReference( new PropertyNoValueSnak( 3 ) ); |
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$this->assertSame( |
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1, |
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$list->indexOf( $reference ), |
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'pre-condition is that the element is at index 1' |
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); |
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$list->addReference( $reference, 0 ); |
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$this->assertCount( 3, $list, 'not added' ); |
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$this->assertSame( |
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1, |
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$list->indexOf( $reference ), |
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'make sure calling addReference with a lower index did not changed it' |
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); |
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$list->addReference( $reference, 2 ); |
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$this->assertCount( 3, $list, 'not added' ); |
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$this->assertSame( |
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1, |
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$list->indexOf( $reference ), |
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'make sure calling addReference with a higher index did not changed it' |
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); |
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} |
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public function testAddReferenceAtIndexZero() { |
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$reference1 = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$reference2 = new Reference( [ new PropertyNoValueSnak( 2 ) ] ); |
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$reference3 = new Reference( [ new PropertyNoValueSnak( 3 ) ] ); |
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$references = new ReferenceList( [ $reference1, $reference2 ] ); |
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$references->addReference( $reference3, 0 ); |
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$expectedList = new ReferenceList( [ $reference3, $reference1, $reference2 ] ); |
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$this->assertSameReferenceOrder( $expectedList, $references ); |
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} |
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public function testAddReferenceAtNegativeIndex() { |
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$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$referenceList = new ReferenceList(); |
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$this->expectException( InvalidArgumentException::class ); |
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$referenceList->addReference( $reference, -1 ); |
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} |
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public function testGivenEmptyReference_addReferenceDoesNotAdd() { |
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$reference1 = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$reference2 = new Reference( [ new PropertyNoValueSnak( 2 ) ] ); |
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$emptyReference = new Reference( [] ); |
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$references = new ReferenceList( [ $reference1, $reference2 ] ); |
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$references->addReference( $emptyReference ); |
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$expectedList = new ReferenceList( [ $reference1, $reference2 ] ); |
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$this->assertSameReferenceOrder( $expectedList, $references ); |
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} |
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public function testGivenEmptyReferenceAndIndex_addReferenceDoesNotAdd() { |
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$reference1 = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$reference2 = new Reference( [ new PropertyNoValueSnak( 2 ) ] ); |
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$emptyReference = new Reference( [] ); |
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$references = new ReferenceList( [ $reference1, $reference2 ] ); |
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$references->addReference( $emptyReference, 0 ); |
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$expectedList = new ReferenceList( [ $reference1, $reference2 ] ); |
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$this->assertSameReferenceOrder( $expectedList, $references ); |
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} |
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/** |
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* @dataProvider instanceProvider |
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*/ |
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public function testIndexOf( ReferenceList $array ) { |
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$this->assertFalse( $array->indexOf( new Reference() ) ); |
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$i = 0; |
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foreach ( $array as $reference ) { |
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$this->assertSame( $i++, $array->indexOf( $reference ) ); |
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} |
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} |
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public function testIndexOf_checksForIdentity() { |
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$reference1 = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$reference2 = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
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$referenceList = new ReferenceList( [ $reference1 ] ); |
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$this->assertNotSame( $reference1, $reference2, 'post condition' ); |
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$this->assertTrue( $reference1->equals( $reference2 ), 'post condition' ); |
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$this->assertSame( 0, $referenceList->indexOf( $reference1 ), 'identity' ); |
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$this->assertFalse( $referenceList->indexOf( $reference2 ), 'not equality' ); |
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} |
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/** |
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* @dataProvider instanceProvider |
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*/ |
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public function testEquals( ReferenceList $array ) { |
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$this->assertTrue( $array->equals( $array ) ); |
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$this->assertFalse( $array->equals( 42 ) ); |
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} |
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/** |
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* @dataProvider instanceProvider |
352
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*/ |
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public function testGetValueHashReturnsString( ReferenceList $array ) { |
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$this->assertIsString( $array->getValueHash() ); |
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} |
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|
/** |
358
|
|
|
* @dataProvider instanceProvider |
359
|
|
|
*/ |
360
|
|
|
public function testGetValueHashIsTheSameForClone( ReferenceList $array ) { |
361
|
|
|
$copy = unserialize( serialize( $array ) ); |
362
|
|
|
$this->assertSame( $array->getValueHash(), $copy->getValueHash() ); |
363
|
|
|
} |
364
|
|
|
|
365
|
|
|
/** |
366
|
|
|
* @dataProvider instanceProvider |
367
|
|
|
*/ |
368
|
|
|
public function testHasReferenceHash( ReferenceList $references ) { |
369
|
|
|
$this->assertFalse( $references->hasReferenceHash( '~=[,,_,,]:3' ) ); |
370
|
|
|
|
371
|
|
|
/** |
372
|
|
|
* @var Hashable $reference |
373
|
|
|
*/ |
374
|
|
|
foreach ( $references as $reference ) { |
375
|
|
|
$this->assertTrue( $references->hasReferenceHash( $reference->getHash() ) ); |
376
|
|
|
} |
377
|
|
|
} |
378
|
|
|
|
379
|
|
|
/** |
380
|
|
|
* @dataProvider instanceProvider |
381
|
|
|
*/ |
382
|
|
|
public function testGetReference( ReferenceList $references ) { |
383
|
|
|
$this->assertNull( $references->getReference( '~=[,,_,,]:3' ) ); |
384
|
|
|
|
385
|
|
|
/** |
386
|
|
|
* @var Reference $reference |
387
|
|
|
*/ |
388
|
|
|
foreach ( $references as $reference ) { |
389
|
|
|
$this->assertTrue( $reference->equals( $references->getReference( $reference->getHash() ) ) ); |
390
|
|
|
} |
391
|
|
|
} |
392
|
|
|
|
393
|
|
|
/** |
394
|
|
|
* @dataProvider instanceProvider |
395
|
|
|
*/ |
396
|
|
|
public function testRemoveReferenceHash( ReferenceList $references ) { |
397
|
|
|
$references->removeReferenceHash( '~=[,,_,,]:3' ); |
398
|
|
|
|
399
|
|
|
$hashes = []; |
400
|
|
|
|
401
|
|
|
/** |
402
|
|
|
* @var Reference $reference |
403
|
|
|
*/ |
404
|
|
|
foreach ( $references as $reference ) { |
405
|
|
|
$hashes[] = $reference->getHash(); |
406
|
|
|
} |
407
|
|
|
|
408
|
|
|
foreach ( $hashes as $hash ) { |
409
|
|
|
$references->removeReferenceHash( $hash ); |
410
|
|
|
} |
411
|
|
|
|
412
|
|
|
$this->assertTrue( $references->isEmpty() ); |
413
|
|
|
} |
414
|
|
|
|
415
|
|
|
/** |
416
|
|
|
* This integration test (relies on ReferenceList::getValueHash) is supposed to break whenever the hash |
417
|
|
|
* calculation changes. |
418
|
|
|
*/ |
419
|
|
|
public function testGetValueHashStability() { |
420
|
|
|
$array = new ReferenceList(); |
421
|
|
|
$snak1 = new PropertyNoValueSnak( 1 ); |
422
|
|
|
$snak2 = new PropertyNoValueSnak( 3 ); |
423
|
|
|
$snak3 = new PropertyNoValueSnak( 2 ); |
424
|
|
|
|
425
|
|
|
$array->addNewReference( $snak1, $snak2, $snak3 ); |
426
|
|
|
$expectedHash = '92244e1a91f60b7fa922d42441995442bf50adb5'; |
427
|
|
|
$this->assertSame( $expectedHash, $array->getValueHash() ); |
428
|
|
|
} |
429
|
|
|
|
430
|
|
|
public function testRemoveReferenceHashRemovesIdenticalObjects() { |
431
|
|
|
$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
432
|
|
|
$references = new ReferenceList( [ $reference, $reference ] ); |
433
|
|
|
|
434
|
|
|
$references->removeReferenceHash( $reference->getHash() ); |
435
|
|
|
|
436
|
|
|
$this->assertTrue( $references->isEmpty() ); |
437
|
|
|
} |
438
|
|
|
|
439
|
|
|
public function testRemoveReferenceHashDoesNotRemoveCopies() { |
440
|
|
|
$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
441
|
|
|
$references = new ReferenceList( [ $reference, clone $reference ] ); |
442
|
|
|
|
443
|
|
|
$references->removeReferenceHash( $reference->getHash() ); |
444
|
|
|
|
445
|
|
|
$this->assertFalse( $references->isEmpty() ); |
446
|
|
|
$this->assertTrue( $references->hasReference( $reference ) ); |
447
|
|
|
$this->assertNotSame( $reference, $references->getReference( $reference->getHash() ) ); |
448
|
|
|
} |
449
|
|
|
|
450
|
|
|
public function testRemoveReferenceHashUpdatesIndexes() { |
451
|
|
|
$reference1 = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
452
|
|
|
$reference2 = new Reference( [ new PropertyNoValueSnak( 2 ) ] ); |
453
|
|
|
$references = new ReferenceList( [ $reference1, $reference2 ] ); |
454
|
|
|
|
455
|
|
|
$references->removeReferenceHash( $reference1->getHash() ); |
456
|
|
|
|
457
|
|
|
$this->assertSame( 0, $references->indexOf( $reference2 ) ); |
458
|
|
|
} |
459
|
|
|
|
460
|
|
|
public function testGivenOneSnak_addNewReferenceAddsSnak() { |
461
|
|
|
$references = new ReferenceList(); |
462
|
|
|
$snak = new PropertyNoValueSnak( 1 ); |
463
|
|
|
|
464
|
|
|
$references->addNewReference( $snak ); |
465
|
|
|
$this->assertTrue( $references->hasReference( new Reference( [ $snak ] ) ) ); |
466
|
|
|
} |
467
|
|
|
|
468
|
|
|
public function testGivenMultipleSnaks_addNewReferenceAddsThem() { |
469
|
|
|
$references = new ReferenceList(); |
470
|
|
|
$snak1 = new PropertyNoValueSnak( 1 ); |
471
|
|
|
$snak2 = new PropertyNoValueSnak( 3 ); |
472
|
|
|
$snak3 = new PropertyNoValueSnak( 2 ); |
473
|
|
|
|
474
|
|
|
$references->addNewReference( $snak1, $snak2, $snak3 ); |
475
|
|
|
|
476
|
|
|
$expectedSnaks = [ $snak1, $snak2, $snak3 ]; |
477
|
|
|
$this->assertTrue( $references->hasReference( new Reference( $expectedSnaks ) ) ); |
478
|
|
|
} |
479
|
|
|
|
480
|
|
|
public function testGivenAnArrayOfSnaks_addNewReferenceAddsThem() { |
481
|
|
|
$references = new ReferenceList(); |
482
|
|
|
$snaks = [ |
483
|
|
|
new PropertyNoValueSnak( 1 ), |
484
|
|
|
new PropertyNoValueSnak( 3 ), |
485
|
|
|
new PropertyNoValueSnak( 2 ) |
486
|
|
|
]; |
487
|
|
|
|
488
|
|
|
$references->addNewReference( $snaks ); |
489
|
|
|
$this->assertTrue( $references->hasReference( new Reference( $snaks ) ) ); |
490
|
|
|
} |
491
|
|
|
|
492
|
|
|
public function testAddNewReferenceDoesNotIgnoreIdenticalObjects() { |
493
|
|
|
$list = new ReferenceList(); |
494
|
|
|
$snak = new PropertyNoValueSnak( 1 ); |
495
|
|
|
$list->addNewReference( $snak ); |
496
|
|
|
$list->addNewReference( $snak ); |
497
|
|
|
$this->assertCount( 2, $list ); |
498
|
|
|
} |
499
|
|
|
|
500
|
|
|
public function testAddNewReferenceDoesNotIgnoreCopies() { |
501
|
|
|
$list = new ReferenceList(); |
502
|
|
|
$snak = new PropertyNoValueSnak( 1 ); |
503
|
|
|
$list->addNewReference( $snak ); |
504
|
|
|
$list->addNewReference( clone $snak ); |
505
|
|
|
$this->assertCount( 2, $list ); |
506
|
|
|
} |
507
|
|
|
|
508
|
|
|
public function testGivenNoneSnak_addNewReferenceThrowsException() { |
509
|
|
|
$references = new ReferenceList(); |
510
|
|
|
|
511
|
|
|
$this->expectException( InvalidArgumentException::class ); |
512
|
|
|
$references->addNewReference( new PropertyNoValueSnak( 1 ), null ); |
513
|
|
|
} |
514
|
|
|
|
515
|
|
|
public function testEmptySerializationStability() { |
516
|
|
|
$list = new ReferenceList(); |
517
|
|
|
$this->assertSame( 'a:0:{}', $list->serialize() ); |
518
|
|
|
} |
519
|
|
|
|
520
|
|
|
/** |
521
|
|
|
* This test will change when the serialization format changes. |
522
|
|
|
* If it is being changed intentionally, the test should be updated. |
523
|
|
|
* It is just here to catch unintentional changes. |
524
|
|
|
*/ |
525
|
|
|
public function testSerializationStability() { |
526
|
|
|
$list = new ReferenceList(); |
527
|
|
|
$list->addNewReference( new PropertyNoValueSnak( 1 ) ); |
528
|
|
|
|
529
|
|
|
/* |
530
|
|
|
* https://wiki.php.net/rfc/custom_object_serialization |
531
|
|
|
*/ |
532
|
|
|
if ( version_compare( phpversion(), '7.4', '>=' ) ) { |
533
|
|
|
$testString = "a:1:{i:0;O:28:\"Wikibase\\DataModel\\Reference\":1:{s:35:\"\x00Wikibase\\DataModel\\" |
534
|
|
|
. "Reference\x00snaks\";O:32:\"Wikibase\\DataModel\\Snak\\SnakList\":2:{s:4:\"" |
535
|
|
|
. 'data";a:1:{i:0;C:43:"Wikibase\\DataModel\\Snak\\PropertyNoValueSnak":2:{P1}}s:5' |
536
|
|
|
. ':"index";i:0;}}}'; |
537
|
|
|
} else { |
538
|
|
|
$testString = "a:1:{i:0;O:28:\"Wikibase\\DataModel\\Reference\":1:{s:35:\"\x00Wikibase\\DataModel\\" |
539
|
|
|
. "Reference\x00snaks\";C:32:\"Wikibase\\DataModel\\Snak\\SnakList\":100:{a:2:{s:4:\"" |
540
|
|
|
. 'data";a:1:{i:0;C:43:"Wikibase\\DataModel\\Snak\\PropertyNoValueSnak":2:{P1}}s:5' |
541
|
|
|
. ':"index";i:0;}}}}'; |
542
|
|
|
} |
543
|
|
|
|
544
|
|
|
$this->assertSame( |
545
|
|
|
$testString, |
546
|
|
|
$list->serialize() |
547
|
|
|
); |
548
|
|
|
} |
549
|
|
|
|
550
|
|
|
public function testSerializeUnserializeRoundtrip() { |
551
|
|
|
$original = new ReferenceList(); |
552
|
|
|
$original->addNewReference( new PropertyNoValueSnak( 1 ) ); |
553
|
|
|
|
554
|
|
|
/** @var ReferenceList $clone */ |
555
|
|
|
$clone = unserialize( serialize( $original ) ); |
556
|
|
|
|
557
|
|
|
$this->assertTrue( $original->equals( $clone ) ); |
558
|
|
|
$this->assertSame( $original->getValueHash(), $clone->getValueHash() ); |
559
|
|
|
$this->assertSame( $original->serialize(), $clone->serialize() ); |
560
|
|
|
} |
561
|
|
|
|
562
|
|
|
public function testUnserializeCreatesNonIdenticalClones() { |
563
|
|
|
$original = new ReferenceList(); |
564
|
|
|
$reference = new Reference( [ new PropertyNoValueSnak( 1 ) ] ); |
565
|
|
|
$original->addReference( $reference ); |
566
|
|
|
|
567
|
|
|
/** @var ReferenceList $clone */ |
568
|
|
|
$clone = unserialize( serialize( $original ) ); |
569
|
|
|
$clone->addReference( $reference ); |
570
|
|
|
|
571
|
|
|
$this->assertCount( 2, $clone ); |
572
|
|
|
} |
573
|
|
|
|
574
|
|
|
public function testGivenEmptyList_isEmpty() { |
575
|
|
|
$references = new ReferenceList(); |
576
|
|
|
$this->assertTrue( $references->isEmpty() ); |
577
|
|
|
} |
578
|
|
|
|
579
|
|
|
public function testGivenNonEmptyList_isNotEmpty() { |
580
|
|
|
$references = new ReferenceList(); |
581
|
|
|
$references->addNewReference( new PropertyNoValueSnak( 1 ) ); |
582
|
|
|
|
583
|
|
|
$this->assertFalse( $references->isEmpty() ); |
584
|
|
|
} |
585
|
|
|
|
586
|
|
|
} |
587
|
|
|
|