Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Tests\taxonomy\Kernel;
Chris@0: 
Chris@0: use Drupal\taxonomy\Entity\Term;
Chris@0: use Drupal\KernelTests\KernelTestBase;
Chris@0: use Drupal\Tests\taxonomy\Functional\TaxonomyTestTrait;
Chris@0: 
Chris@0: /**
Chris@0:  * Kernel tests for taxonomy term functions.
Chris@0:  *
Chris@0:  * @group taxonomy
Chris@0:  */
Chris@0: class TermKernelTest extends KernelTestBase {
Chris@0: 
Chris@0:   use TaxonomyTestTrait;
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static $modules = ['filter', 'taxonomy', 'text', 'user'];
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function setUp() {
Chris@0:     parent::setUp();
Chris@0:     $this->installConfig(['filter']);
Chris@0:     $this->installEntitySchema('taxonomy_term');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Deleting terms should also remove related vocabulary.
Chris@0:    * Deleting an invalid term should silently fail.
Chris@0:    */
Chris@0:   public function testTermDelete() {
Chris@0:     $vocabulary = $this->createVocabulary();
Chris@0:     $valid_term = $this->createTerm($vocabulary);
Chris@0:     // Delete a valid term.
Chris@0:     $valid_term->delete();
Chris@0:     $terms = entity_load_multiple_by_properties('taxonomy_term', ['vid' => $vocabulary->id()]);
Chris@0:     $this->assertTrue(empty($terms), 'Vocabulary is empty after deletion');
Chris@0: 
Chris@0:     // Delete an invalid term. Should not throw any notices.
Chris@0:     entity_delete_multiple('taxonomy_term', [42]);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Deleting a parent of a term with multiple parents does not delete the term.
Chris@0:    */
Chris@0:   public function testMultipleParentDelete() {
Chris@0:     $vocabulary = $this->createVocabulary();
Chris@0:     $parent_term1 = $this->createTerm($vocabulary);
Chris@0:     $parent_term2 = $this->createTerm($vocabulary);
Chris@0:     $child_term = $this->createTerm($vocabulary);
Chris@0:     $child_term->parent = [$parent_term1->id(), $parent_term2->id()];
Chris@0:     $child_term->save();
Chris@0:     $child_term_id = $child_term->id();
Chris@0: 
Chris@0:     $parent_term1->delete();
Chris@0:     $term_storage = $this->container->get('entity.manager')->getStorage('taxonomy_term');
Chris@0:     $term_storage->resetCache([$child_term_id]);
Chris@0:     $child_term = Term::load($child_term_id);
Chris@0:     $this->assertTrue(!empty($child_term), 'Child term is not deleted if only one of its parents is removed.');
Chris@0: 
Chris@0:     $parent_term2->delete();
Chris@0:     $term_storage->resetCache([$child_term_id]);
Chris@0:     $child_term = Term::load($child_term_id);
Chris@0:     $this->assertTrue(empty($child_term), 'Child term is deleted if all of its parents are removed.');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Test a taxonomy with terms that have multiple parents of different depths.
Chris@0:    */
Chris@0:   public function testTaxonomyVocabularyTree() {
Chris@0:     // Create a new vocabulary with 6 terms.
Chris@0:     $vocabulary = $this->createVocabulary();
Chris@0:     $term = [];
Chris@0:     for ($i = 0; $i < 6; $i++) {
Chris@0:       $term[$i] = $this->createTerm($vocabulary);
Chris@0:     }
Chris@0: 
Chris@0:     // Get the taxonomy storage.
Chris@0:     $taxonomy_storage = $this->container->get('entity.manager')->getStorage('taxonomy_term');
Chris@0: 
Chris@0:     // Set the weight on $term[1] so it appears before $term[5] when fetching
Chris@0:     // the parents for $term[2], in order to test for a regression on
Chris@0:     // \Drupal\taxonomy\TermStorageInterface::loadAllParents().
Chris@0:     $term[1]->weight = -1;
Chris@0:     $term[1]->save();
Chris@0: 
Chris@0:     // $term[2] is a child of 1 and 5.
Chris@0:     $term[2]->parent = [$term[1]->id(), $term[5]->id()];
Chris@0:     $term[2]->save();
Chris@0:     // $term[3] is a child of 2.
Chris@0:     $term[3]->parent = [$term[2]->id()];
Chris@0:     $term[3]->save();
Chris@0:     // $term[5] is a child of 4.
Chris@0:     $term[5]->parent = [$term[4]->id()];
Chris@0:     $term[5]->save();
Chris@0: 
Chris@0:     /**
Chris@0:      * Expected tree:
Chris@0:      * term[0] | depth: 0
Chris@0:      * term[1] | depth: 0
Chris@0:      * -- term[2] | depth: 1
Chris@0:      * ---- term[3] | depth: 2
Chris@0:      * term[4] | depth: 0
Chris@0:      * -- term[5] | depth: 1
Chris@0:      * ---- term[2] | depth: 2
Chris@0:      * ------ term[3] | depth: 3
Chris@0:      */
Chris@0:     // Count $term[1] parents with $max_depth = 1.
Chris@0:     $tree = $taxonomy_storage->loadTree($vocabulary->id(), $term[1]->id(), 1);
Chris@0:     $this->assertEqual(1, count($tree), 'We have one parent with depth 1.');
Chris@0: 
Chris@0:     // Count all vocabulary tree elements.
Chris@0:     $tree = $taxonomy_storage->loadTree($vocabulary->id());
Chris@0:     $this->assertEqual(8, count($tree), 'We have all vocabulary tree elements.');
Chris@0: 
Chris@0:     // Count elements in every tree depth.
Chris@0:     foreach ($tree as $element) {
Chris@0:       if (!isset($depth_count[$element->depth])) {
Chris@0:         $depth_count[$element->depth] = 0;
Chris@0:       }
Chris@0:       $depth_count[$element->depth]++;
Chris@0:     }
Chris@0:     $this->assertEqual(3, $depth_count[0], 'Three elements in taxonomy tree depth 0.');
Chris@0:     $this->assertEqual(2, $depth_count[1], 'Two elements in taxonomy tree depth 1.');
Chris@0:     $this->assertEqual(2, $depth_count[2], 'Two elements in taxonomy tree depth 2.');
Chris@0:     $this->assertEqual(1, $depth_count[3], 'One element in taxonomy tree depth 3.');
Chris@0: 
Chris@0:     /** @var \Drupal\taxonomy\TermStorageInterface $storage */
Chris@0:     $storage = \Drupal::entityManager()->getStorage('taxonomy_term');
Chris@0:     // Count parents of $term[2].
Chris@0:     $parents = $storage->loadParents($term[2]->id());
Chris@0:     $this->assertEqual(2, count($parents), 'The term has two parents.');
Chris@0: 
Chris@0:     // Count parents of $term[3].
Chris@0:     $parents = $storage->loadParents($term[3]->id());
Chris@0:     $this->assertEqual(1, count($parents), 'The term has one parent.');
Chris@0: 
Chris@0:     // Identify all ancestors of $term[2].
Chris@0:     $ancestors = $storage->loadAllParents($term[2]->id());
Chris@0:     $this->assertEqual(4, count($ancestors), 'The term has four ancestors including the term itself.');
Chris@0: 
Chris@0:     // Identify all ancestors of $term[3].
Chris@0:     $ancestors = $storage->loadAllParents($term[3]->id());
Chris@0:     $this->assertEqual(5, count($ancestors), 'The term has five ancestors including the term itself.');
Chris@0:   }
Chris@0: 
Chris@0: }