TermKernelTest.php in Zircon Profile 8

Contains \Drupal\taxonomy\Tests\TermKernelTest.

Namespace

Drupal\taxonomy\Tests

File

core/modules/taxonomy/src/Tests/TermKernelTest.php

<?php

/**
 * @file
 * Contains \Drupal\taxonomy\Tests\TermKernelTest.
 */
namespace Drupal\taxonomy\Tests;

use Drupal\taxonomy\Entity\Term;
use Drupal\simpletest\KernelTestBase;

/**
 * Kernel tests for taxonomy term functions.
 *
 * @group taxonomy
 */
class TermKernelTest extends KernelTestBase {
  use TaxonomyTestTrait;

  /**
   * {@inheritdoc}
   */
  public static $modules = array(
    'filter',
    'taxonomy',
    'text',
    'user',
  );

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    $this
      ->installConfig(array(
      'filter',
    ));
    $this
      ->installEntitySchema('taxonomy_term');
  }

  /**
   * Deleting terms should also remove related vocabulary.
   * Deleting an invalid term should silently fail.
   */
  public function testTermDelete() {
    $vocabulary = $this
      ->createVocabulary();
    $valid_term = $this
      ->createTerm($vocabulary);

    // Delete a valid term.
    $valid_term
      ->delete();
    $terms = entity_load_multiple_by_properties('taxonomy_term', array(
      'vid' => $vocabulary
        ->id(),
    ));
    $this
      ->assertTrue(empty($terms), 'Vocabulary is empty after deletion');

    // Delete an invalid term. Should not throw any notices.
    entity_delete_multiple('taxonomy_term', array(
      42,
    ));
  }

  /**
   * Deleting a parent of a term with multiple parents does not delete the term.
   */
  public function testMultipleParentDelete() {
    $vocabulary = $this
      ->createVocabulary();
    $parent_term1 = $this
      ->createTerm($vocabulary);
    $parent_term2 = $this
      ->createTerm($vocabulary);
    $child_term = $this
      ->createTerm($vocabulary);
    $child_term->parent = array(
      $parent_term1
        ->id(),
      $parent_term2
        ->id(),
    );
    $child_term
      ->save();
    $child_term_id = $child_term
      ->id();
    $parent_term1
      ->delete();
    $term_storage = $this->container
      ->get('entity.manager')
      ->getStorage('taxonomy_term');
    $term_storage
      ->resetCache(array(
      $child_term_id,
    ));
    $child_term = Term::load($child_term_id);
    $this
      ->assertTrue(!empty($child_term), 'Child term is not deleted if only one of its parents is removed.');
    $parent_term2
      ->delete();
    $term_storage
      ->resetCache(array(
      $child_term_id,
    ));
    $child_term = Term::load($child_term_id);
    $this
      ->assertTrue(empty($child_term), 'Child term is deleted if all of its parents are removed.');
  }

  /**
   * Test a taxonomy with terms that have multiple parents of different depths.
   */
  public function testTaxonomyVocabularyTree() {

    // Create a new vocabulary with 6 terms.
    $vocabulary = $this
      ->createVocabulary();
    $term = array();
    for ($i = 0; $i < 6; $i++) {
      $term[$i] = $this
        ->createTerm($vocabulary);
    }

    // Get the taxonomy storage.
    $taxonomy_storage = $this->container
      ->get('entity.manager')
      ->getStorage('taxonomy_term');

    // Set the weight on $term[1] so it appears before $term[5] when fetching
    // the parents for $term[2], in order to test for a regression on
    // \Drupal\taxonomy\TermStorageInterface::loadAllParents().
    $term[1]->weight = -1;
    $term[1]
      ->save();

    // $term[2] is a child of 1 and 5.
    $term[2]->parent = array(
      $term[1]
        ->id(),
      $term[5]
        ->id(),
    );
    $term[2]
      ->save();

    // $term[3] is a child of 2.
    $term[3]->parent = array(
      $term[2]
        ->id(),
    );
    $term[3]
      ->save();

    // $term[5] is a child of 4.
    $term[5]->parent = array(
      $term[4]
        ->id(),
    );
    $term[5]
      ->save();

    /**
     * Expected tree:
     * term[0] | depth: 0
     * term[1] | depth: 0
     * -- term[2] | depth: 1
     * ---- term[3] | depth: 2
     * term[4] | depth: 0
     * -- term[5] | depth: 1
     * ---- term[2] | depth: 2
     * ------ term[3] | depth: 3
     */

    // Count $term[1] parents with $max_depth = 1.
    $tree = $taxonomy_storage
      ->loadTree($vocabulary
      ->id(), $term[1]
      ->id(), 1);
    $this
      ->assertEqual(1, count($tree), 'We have one parent with depth 1.');

    // Count all vocabulary tree elements.
    $tree = $taxonomy_storage
      ->loadTree($vocabulary
      ->id());
    $this
      ->assertEqual(8, count($tree), 'We have all vocabulary tree elements.');

    // Count elements in every tree depth.
    foreach ($tree as $element) {
      if (!isset($depth_count[$element->depth])) {
        $depth_count[$element->depth] = 0;
      }
      $depth_count[$element->depth]++;
    }
    $this
      ->assertEqual(3, $depth_count[0], 'Three elements in taxonomy tree depth 0.');
    $this
      ->assertEqual(2, $depth_count[1], 'Two elements in taxonomy tree depth 1.');
    $this
      ->assertEqual(2, $depth_count[2], 'Two elements in taxonomy tree depth 2.');
    $this
      ->assertEqual(1, $depth_count[3], 'One element in taxonomy tree depth 3.');

    /** @var \Drupal\taxonomy\TermStorageInterface $storage */
    $storage = \Drupal::entityManager()
      ->getStorage('taxonomy_term');

    // Count parents of $term[2].
    $parents = $storage
      ->loadParents($term[2]
      ->id());
    $this
      ->assertEqual(2, count($parents), 'The term has two parents.');

    // Count parents of $term[3].
    $parents = $storage
      ->loadParents($term[3]
      ->id());
    $this
      ->assertEqual(1, count($parents), 'The term has one parent.');

    // Identify all ancestors of $term[2].
    $ancestors = $storage
      ->loadAllParents($term[2]
      ->id());
    $this
      ->assertEqual(4, count($ancestors), 'The term has four ancestors including the term itself.');

    // Identify all ancestors of $term[3].
    $ancestors = $storage
      ->loadAllParents($term[3]
      ->id());
    $this
      ->assertEqual(5, count($ancestors), 'The term has five ancestors including the term itself.');
  }

}

Classes

Name	Description
TermKernelTest	Kernel tests for taxonomy term functions.