public function TermKernelTest::testTaxonomyVocabularyTree in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/modules/taxonomy/src/Tests/TermKernelTest.php \Drupal\taxonomy\Tests\TermKernelTest::testTaxonomyVocabularyTree()
Test a taxonomy with terms that have multiple parents of different depths.
File
- core/
modules/ taxonomy/ src/ Tests/ TermKernelTest.php, line 79 - Contains \Drupal\taxonomy\Tests\TermKernelTest.
Class
- TermKernelTest
- Kernel tests for taxonomy term functions.
Namespace
Drupal\taxonomy\TestsCode
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.');
}