61 lines
2.5 KiB
PHP
61 lines
2.5 KiB
PHP
<?php
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namespace Doctrine\Tests\ORM\Functional\Ticket;
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use Doctrine\DBAL\Connection;
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use Doctrine\ORM\EntityManagerInterface;
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use Doctrine\Common\EventManager;
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use Doctrine\DBAL\Driver\Statement;
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use Doctrine\ORM\Query\ResultSetMapping;
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use Doctrine\ORM\Internal\Hydration\AbstractHydrator;
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use Doctrine\Tests\OrmFunctionalTestCase;
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/**
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* @group DDC-3146
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* @author Emiel Nijpels <emiel@silverstreet.com>
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*/
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class DDC3146Test extends OrmFunctionalTestCase
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{
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/**
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* Verify that the number of added events to the event listener from the abstract hydrator class is equal to the number of removed events
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*/
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public function testEventListeners()
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{
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$mockConnection = $this->createMock(Connection::class);
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$mockEntityManagerInterface = $this->createMock(EntityManagerInterface::class);
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$mockEventManager = $this->createMock(EventManager::class);
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$mockStatement = $this->createMock(Statement::class);
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$mockResultMapping = $this->getMockBuilder(ResultSetMapping::class);
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$mockEntityManagerInterface->expects(self::any())->method('getEventManager')->willReturn($mockEventManager);
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$mockEntityManagerInterface->expects(self::any())->method('getConnection')->willReturn($mockConnection);
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$mockStatement->expects(self::once())->method('fetch')->willReturn(false);
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$mockAbstractHydrator = $this->getMockBuilder(AbstractHydrator::class)
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->setConstructorArgs(array($mockEntityManagerInterface))
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->setMethods(['hydrateAllData'])
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->getMock();
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// Increase counter every time the event listener is added and decrease the counter every time the event listener is removed
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$eventCounter = 0;
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$mockEventManager->expects(self::atLeastOnce())
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->method('addEventListener')
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->willReturnCallback(function () use (&$eventCounter) {
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$eventCounter++;
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});
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$mockEventManager->expects(self::atLeastOnce())
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->method('removeEventListener')
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->willReturnCallback(function () use (&$eventCounter) {
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$eventCounter--;
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});
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// Create iterable result
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$iterableResult = $mockAbstractHydrator->iterate($mockStatement, $mockResultMapping, array());
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$iterableResult->next();
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// Number of added events listeners should be equal or less than the number of removed events
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self::assertSame(0, $eventCounter, 'More events added to the event listener than removed; this can create a memory leak when references are not cleaned up');
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}
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}
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