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Diffstat (limited to 'bin/reevotech/vendor/addwiki/mediawiki-api/tests/integration/CategoryTraverserTest.php')
| -rw-r--r-- | bin/reevotech/vendor/addwiki/mediawiki-api/tests/integration/CategoryTraverserTest.php | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/bin/reevotech/vendor/addwiki/mediawiki-api/tests/integration/CategoryTraverserTest.php b/bin/reevotech/vendor/addwiki/mediawiki-api/tests/integration/CategoryTraverserTest.php new file mode 100644 index 00000000..7161447d --- /dev/null +++ b/bin/reevotech/vendor/addwiki/mediawiki-api/tests/integration/CategoryTraverserTest.php @@ -0,0 +1,203 @@ +<?php + +namespace Mediawiki\Api\Test; + +use Mediawiki\Api\CategoryLoopException; +use Mediawiki\Api\Service\CategoryTraverser; +use Mediawiki\DataModel\Page; +use Mediawiki\DataModel\PageIdentifier; +use Mediawiki\DataModel\Title; +use Mediawiki\DataModel\Revision; +use Mediawiki\DataModel\Content; + +class CategoryTraverserTest extends \PHPUnit_Framework_TestCase { + + /** @var TestEnvironment */ + protected $testEnvironment; + + /** @var \Mediawiki\Api\MediawikiFactory */ + protected $factory; + + /** @var \Mediawiki\Api\Service\CategoryTraverser */ + protected $traverser; + + public function setUp() { + parent::setUp(); + $this->testEnvironment = TestEnvironment::newDefault(); + $this->factory = $this->testEnvironment->getFactory(); + $this->traverser = $this->factory->newCategoryTraverser(); + } + + /** + * A convenience wrapper around a PageDeleter. + * @param string[] $titles The titles to delete. + */ + public function deletePages( $titles ) { + $deleter = $this->factory->newPageDeleter(); + foreach ( $titles as $t ) { + // @todo Properly delete? + // $deleter->deleteFromPageTitle( new Title( $t ) ); + $this->savePage( $t, '' ); + } + } + + /** + * A convenience wrapper to a RevisionSaver. + * @param string $title The title of the new page. + * @param string $content The wikitext to save to the page. + * @return Page The saved Page. + */ + protected function savePage( $title, $content ) { + $pageIdentifier = new PageIdentifier( new Title( $title ) ); + $revision = new Revision( new Content( $content ), $pageIdentifier ); + $this->factory->newRevisionSaver()->save( $revision ); + return $this->factory->newPageGetter()->getFromPageIdentifier( $pageIdentifier ); + } + + /** + * Get a list of all pages in a category or any of its descendants. + */ + public function testDescendants() { + $rootCat = $this->savePage( 'Category:Root category', '' ); + $this->savePage( 'Category:Sub category B', '[[Category:Root category]]' ); + $this->savePage( 'Category:Sub category C', '[[Category:Root category]]' ); + $this->savePage( 'Test page A1', 'Testing. [[Category:Root category]]' ); + $this->savePage( 'Test page B1', 'Testing. [[Category:Sub category B]]' ); + $this->savePage( 'Test page B2', 'Testing. [[Category:Sub category B]]' ); + $this->savePage( 'Test page C1', 'Testing. [[Category:Sub category C]]' ); + $this->testEnvironment->runJobs(); + + $callback = function ( Page $pageInfo, Page $parentCat ) { + $parentCatName = $parentCat->getPageIdentifier()->getTitle()->getText(); + $thisPageName = $pageInfo->getPageIdentifier()->getTitle()->getText(); + if ( $parentCatName === 'Category:Root category' ) { + $this->assertEquals( 'Test page A1', $thisPageName ); + } + if ( $parentCatName === 'Category:Sub category C' ) { + $this->assertEquals( 'Test page C1', $thisPageName ); + } + }; + $this->traverser->addCallback( CategoryTraverser::CALLBACK_PAGE, $callback ); + $decendants = $this->traverser->descend( $rootCat ); + $this->assertCount( 4, $decendants->toArray() ); + $this->deletePages( [ + 'Category:Root category', + 'Category:Sub category B', + 'Category:Sub category C', + 'Test page A1', + 'Test page B1', + 'Test page B2', + 'Test page C1', + ] ); + } + + /** + * Make sure there aren't duplicate results when there are multiple paths to + * the same page. + */ + public function testDescendantsWithMultiplePaths() { + $grandparent = $this->savePage( 'Category:Grandparent', '' ); + $this->savePage( 'Category:Parent 1', '[[Category:Grandparent]]' ); + $this->savePage( 'Category:Parent 2', '[[Category:Grandparent]]' ); + $this->savePage( 'Parent 1', '[[Category:Grandparent]]' ); + $this->savePage( 'Child 1', '[[Category:Parent 1]]' ); + $this->savePage( 'Child 2', '[[Category:Parent 1]]' ); + $this->savePage( 'Child 3', '[[Category:Parent 2]]' ); + $this->testEnvironment->runJobs(); + $decendants = $this->traverser->descend( $grandparent ); + $this->assertCount( 4, $decendants->toArray() ); + $this->deletePages( [ + 'Category:Grandparent', + 'Category:Parent 1', + 'Category:Parent 2', + 'Child 1', + 'Child 2', + 'Child 3', + ] ); + } + + /** + * Categories should only be traversed once. For example, in the following graph, 'C' can be + * reached as a child of 'A' or of 'B', but only the first arrival will proceed to 'D': + * + * A + * | \ + * | B + * | / + * C + * | + * D + * + */ + public function testDescendantsOnlyVisitCatsOnce() { + global $wgVisitedCats; + $wgVisitedCats = []; + $catA = $this->savePage( 'Category:A cat', '' ); + $this->savePage( 'Category:B cat', 'Testing. [[Category:A cat]]' ); + $this->savePage( 'Category:C cat', 'Testing. [[Category:A cat]][[Category:B cat]]' ); + $this->savePage( 'Category:D cat', 'Testing. [[Category:C cat]]' ); + $this->testEnvironment->runJobs(); + $callback = function ( Page $pageInfo, Page $parentCat ) { + global $wgVisitedCats; + $wgVisitedCats[] = $parentCat->getPageIdentifier()->getTitle()->getText(); + }; + $this->traverser->addCallback( CategoryTraverser::CALLBACK_CATEGORY, $callback ); + $descendants = $this->traverser->descend( $catA ); + $this->assertCount( 0, $descendants->toArray() ); + $this->assertCount( 3, $wgVisitedCats ); + $this->deletePages( [ + 'Category:A cat', + 'Category:B cat', + 'Category:C cat', + 'Category:D cat', + ] ); + } + + /** + * Category loops are caught on descent. + * + * E + * / \ + * F G + * / \ + * H I + * | + * E <-- throw an Exception when we get to this repetition + * + */ + public function testDescendIntoLoop() { + $catA = $this->savePage( 'Category:E cat', '[[Category:H cat]]' ); + $catB = $this->savePage( 'Category:F cat', '[[Category:E cat]]' ); + $catC = $this->savePage( 'Category:G cat', '[[Category:E cat]]' ); + $catD = $this->savePage( 'Category:H cat', '[[Category:F cat]]' ); + $catE = $this->savePage( 'Category:I cat', '[[Category:F cat]]' ); + $this->testEnvironment->runJobs(); + $haveCaught = false; + try { + $this->traverser->descend( $catA ); + } catch ( CategoryLoopException $ex ) { + $haveCaught = true; + $expectedCatLoop = [ + 'Category:E cat', + 'Category:F cat', + 'Category:H cat', + ]; + // Build a simplified representation of the thrown loop pages, to get around different + // revision IDs. + $actualCatLoop = []; + foreach ( $ex->getCategoryPath()->toArray() as $p ) { + $actualCatLoop[] = $p->getPageIdentifier()->getTitle()->getText(); + } + $this->assertEquals( $expectedCatLoop, $actualCatLoop ); + } + $this->assertTrue( $haveCaught ); + $this->deletePages( [ + 'Category:E cat', + 'Category:F cat', + 'Category:G cat', + 'Category:H cat', + 'Category:I cat', + ] ); + } + +} |