function TaxonomyTermFunctionTestCase::testTaxonomyVocabularyTree in Drupal 7
Test a taxonomy with terms that have multiple parents of different depths.
File
- modules/
taxonomy/ taxonomy.test, line 431 - Tests for taxonomy.module.
Class
- TaxonomyTermFunctionTestCase
- Unit tests for taxonomy term functions.
Code
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);
}
// $term[2] is a child of 1 and 5.
$term[2]->parent = array(
$term[1]->tid,
$term[5]->tid,
);
taxonomy_term_save($term[2]);
// $term[3] is a child of 2.
$term[3]->parent = array(
$term[2]->tid,
);
taxonomy_term_save($term[3]);
// $term[5] is a child of 4.
$term[5]->parent = array(
$term[4]->tid,
);
taxonomy_term_save($term[5]);
/**
* 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.
$tree = taxonomy_get_tree($vocabulary->vid, $term[1]->tid, 1);
$this
->assertEqual(1, count($tree), 'We have one parent with depth 1.');
// Count all vocabulary tree elements.
$tree = taxonomy_get_tree($vocabulary->vid);
$this
->assertEqual(8, count($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.');
}