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<?php |
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namespace Wikibase\DataModel\Services\Tests\Diff; |
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use DataValues\StringValue; |
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use Diff\DiffOp\Diff\Diff; |
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use Diff\DiffOp\DiffOpAdd; |
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use Diff\DiffOp\DiffOpChange; |
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use Diff\DiffOp\DiffOpRemove; |
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use Wikibase\DataModel\Services\Diff\StatementListDiffer; |
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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\Diff\StatementListDiffer |
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* |
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* @license GPL-2.0+ |
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* @author Jeroen De Dauw < [email protected] > |
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*/ |
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class StatementListDifferTest extends \PHPUnit_Framework_TestCase { |
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public function testGivenTwoEmptyLists_diffIsEmpty() { |
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$this->assertResultsInDiff( new StatementList(), new StatementList(), new Diff() ); |
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} |
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private function assertResultsInDiff( StatementList $fromStatements, StatementList $toStatements, Diff $diff ) { |
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$differ = new StatementListDiffer(); |
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$actual = $differ->getDiff( $fromStatements, $toStatements ); |
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$this->assertEquals( $diff, $actual ); |
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} |
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public function testGivenTwoIdenticalLists_diffIsEmpty() { |
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$statements = new StatementList( |
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$this->getNewStatement( 'zero', 'first' ), |
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$this->getNewStatement( 'one', 'second' ) |
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); |
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$this->assertResultsInDiff( $statements, $statements, new Diff() ); |
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} |
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private function getNewStatement( $guid, $hash ) { |
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$statement = new Statement( new PropertyValueSnak( 1, new StringValue( $hash ) ) ); |
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$statement->setGuid( $guid ); |
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return $statement; |
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} |
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public function testGivenToListWithExtraStatement_additionOperationInDiff() { |
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$fromStatements = new StatementList( |
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$this->getNewStatement( 'zero', 'first' ), |
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$this->getNewStatement( 'one', 'second' ) |
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); |
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$toStatements = new StatementList( |
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$this->getNewStatement( 'zero', 'first' ), |
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$this->getNewStatement( 'two', 'third' ), |
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$this->getNewStatement( 'one', 'second' ) |
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); |
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$diff = new Diff( array( |
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'two' => new DiffOpAdd( $this->getNewStatement( 'two', 'third' ) ), |
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) ); |
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$this->assertResultsInDiff( $fromStatements, $toStatements, $diff ); |
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} |
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public function testGivenToListWithLessStatements_removalOperationsInDiff() { |
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$fromStatements = new StatementList( |
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$this->getNewStatement( 'zero', 'first' ), |
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$this->getNewStatement( 'one', 'second' ), |
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$this->getNewStatement( 'two', 'third' ) |
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); |
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$toStatements = new StatementList( |
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$this->getNewStatement( 'one', 'second' ) |
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); |
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$diff = new Diff( array( |
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'zero' => new DiffOpRemove( $this->getNewStatement( 'zero', 'first' ) ), |
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'two' => new DiffOpRemove( $this->getNewStatement( 'two', 'third' ) ), |
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) ); |
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$this->assertResultsInDiff( $fromStatements, $toStatements, $diff ); |
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} |
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public function testGivenListWithChangedStatements_changeOperationsInDiff() { |
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$fromStatements = new StatementList( |
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$this->getNewStatement( 'zero', 'first' ), |
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$this->getNewStatement( 'one', 'second' ), |
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$this->getNewStatement( 'two', 'third' ) |
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); |
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$toStatements = new StatementList( |
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$this->getNewStatement( 'zero', 'FIRST' ), |
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$this->getNewStatement( 'one', 'second' ), |
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$this->getNewStatement( 'two', 'THIRD' ) |
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); |
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$diff = new Diff( array( |
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'zero' => new DiffOpChange( |
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$this->getNewStatement( 'zero', 'first' ), |
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$this->getNewStatement( 'zero', 'FIRST' ) |
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), |
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'two' => new DiffOpChange( |
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$this->getNewStatement( 'two', 'third' ), |
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$this->getNewStatement( 'two', 'THIRD' ) |
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), |
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) ); |
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$this->assertResultsInDiff( $fromStatements, $toStatements, $diff ); |
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} |
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} |
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wmde /
WikibaseDataModelServices
