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<?php |
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namespace SMW\Tests\SQLStore\QueryDependency; |
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use SMW\DIWikiPage; |
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use SMW\SQLStore\QueryDependency\DependencyLinksTableUpdater; |
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use SMW\SQLStore\SQLStore; |
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use SMW\Tests\TestEnvironment; |
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/** |
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* @covers \SMW\SQLStore\QueryDependency\DependencyLinksTableUpdater |
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* @group semantic-mediawiki |
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* |
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* @license GNU GPL v2+ |
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* @since 2.4 |
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* |
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* @author mwjames |
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*/ |
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class DependencyLinksTableUpdaterTest extends \PHPUnit_Framework_TestCase { |
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private $testEnvironment; |
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private $store; |
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protected function setUp() { |
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parent::setUp(); |
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$this->testEnvironment = new TestEnvironment(); |
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$this->store = $this->getMockBuilder( '\SMW\Store' ) |
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->disableOriginalConstructor() |
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->getMockForAbstractClass(); |
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$this->testEnvironment->registerObject( 'Store', $this->store ); |
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} |
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protected function tearDown() { |
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$this->testEnvironment->tearDown(); |
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parent::tearDown(); |
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} |
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public function testCanConstruct() { |
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$this->assertInstanceOf( |
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'\SMW\SQLStore\QueryDependency\DependencyLinksTableUpdater', |
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new DependencyLinksTableUpdater( $this->store ) |
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); |
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} |
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public function testAddToUpdateList() { |
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$idTable = $this->getMockBuilder( '\stdClass' ) |
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->setMethods( array( 'getIDFor' ) ) |
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->getMock(); |
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$idTable->expects( $this->any() ) |
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->method( 'getIDFor' ) |
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->will( $this->onConsecutiveCalls( 1001 ) ); |
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$connection = $this->getMockBuilder( '\SMW\MediaWiki\Database' ) |
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->disableOriginalConstructor() |
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->getMock(); |
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$connection->expects( $this->once() ) |
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->method( 'delete' ) |
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->with( |
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$this->equalTo( \SMWSQLStore3::QUERY_LINKS_TABLE ), |
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$this->equalTo( array( 's_id' => 42 ) ) ); |
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$insert[] = array( |
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's_id' => 42, |
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'o_id' => 1001 |
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); |
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$connection->expects( $this->once() ) |
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->method( 'insert' ) |
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->with( |
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$this->equalTo( \SMWSQLStore3::QUERY_LINKS_TABLE ), |
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$this->equalTo( $insert ) ); |
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$connectionManager = $this->getMockBuilder( '\SMW\ConnectionManager' ) |
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->disableOriginalConstructor() |
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->getMock(); |
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$connectionManager->expects( $this->any() ) |
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->method( 'getConnection' ) |
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->will( $this->returnValue( $connection ) ); |
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$store = $this->getMockBuilder( '\SMW\SQLStore\SQLStore' ) |
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->disableOriginalConstructor() |
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->setMethods( array( 'getObjectIds' ) ) |
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->getMockForAbstractClass(); |
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$store->setConnectionManager( $connectionManager ); |
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$store->expects( $this->any() ) |
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->method( 'getObjectIds' ) |
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->will( $this->returnValue( $idTable ) ); |
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$instance = new DependencyLinksTableUpdater( |
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$store |
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); |
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$instance->clear(); |
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$instance->addToUpdateList( 42, array( DIWikiPage::newFromText( 'Bar' ) ) ); |
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$instance->doUpdate(); |
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} |
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public function testAddToUpdateListOnNull_List() { |
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$instance = new DependencyLinksTableUpdater( |
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$this->store |
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); |
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$this->assertNull( |
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$instance->addToUpdateList( 42, null ) |
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); |
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} |
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public function testAddToUpdateListOnZero_Id() { |
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$instance = new DependencyLinksTableUpdater( |
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$this->store |
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); |
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$this->assertNull( |
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$instance->addToUpdateList( 0, array() ) |
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); |
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} |
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public function testAddToUpdateListOnEmpty_List() { |
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$instance = new DependencyLinksTableUpdater( |
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$this->store |
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); |
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$this->assertNull( |
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$instance->addToUpdateList( 42, array() ) |
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); |
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} |
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public function testAddDependenciesFromQueryResultWhereObjectIdIsYetUnknownWhichRequiresToCreateTheIdOnTheFly() { |
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$idTable = $this->getMockBuilder( '\stdClass' ) |
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->setMethods( array( 'getIDFor', 'makeSMWPageID' ) ) |
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->getMock(); |
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$idTable->expects( $this->any() ) |
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->method( 'getIDFor' ) |
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->will( $this->returnValue( 0 ) ); |
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$idTable->expects( $this->any() ) |
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->method( 'makeSMWPageID' ) |
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->will( $this->returnValue( 1001 ) ); |
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$connection = $this->getMockBuilder( '\SMW\MediaWiki\Database' ) |
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->disableOriginalConstructor() |
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->getMock(); |
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$connection->expects( $this->once() ) |
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->method( 'delete' ) |
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->with( |
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$this->equalTo( \SMWSQLStore3::QUERY_LINKS_TABLE ), |
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$this->equalTo( array( 's_id' => 42 ) ) ); |
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$insert[] = array( |
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's_id' => 42, |
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'o_id' => 1001 |
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); |
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$connection->expects( $this->once() ) |
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->method( 'insert' ) |
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->with( |
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$this->equalTo( \SMWSQLStore3::QUERY_LINKS_TABLE ), |
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$this->equalTo( $insert ) ); |
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$connectionManager = $this->getMockBuilder( '\SMW\ConnectionManager' ) |
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->disableOriginalConstructor() |
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->getMock(); |
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$connectionManager->expects( $this->any() ) |
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->method( 'getConnection' ) |
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->will( $this->returnValue( $connection ) ); |
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$store = $this->getMockBuilder( '\SMW\SQLStore\SQLStore' ) |
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->disableOriginalConstructor() |
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->setMethods( array( 'getObjectIds' ) ) |
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->getMockForAbstractClass(); |
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$store->setConnectionManager( $connectionManager ); |
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$store->expects( $this->any() ) |
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->method( 'getObjectIds' ) |
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->will( $this->returnValue( $idTable ) ); |
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$instance = new DependencyLinksTableUpdater( |
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$store |
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); |
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$instance->clear(); |
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$instance->addToUpdateList( 42, array( DIWikiPage::newFromText( 'Bar', SMW_NS_PROPERTY ) ) ); |
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$instance->doUpdate(); |
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} |
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} |
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Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArray
is initialized the first time when the foreach loop is entered. You can also see that the value of thebar
key is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.