function TermTest::testTermReorder
Save, edit and delete a term using the user interface.
File
- 
              core/modules/ taxonomy/ tests/ src/ Functional/ TermTest.php, line 480 
Class
- TermTest
- Tests load, save and delete for taxonomy terms.
Namespace
Drupal\Tests\taxonomy\FunctionalCode
public function testTermReorder() {
  $assert = $this->assertSession();
  $this->createTerm($this->vocabulary);
  $this->createTerm($this->vocabulary);
  $this->createTerm($this->vocabulary);
  $taxonomy_storage = $this->container
    ->get('entity_type.manager')
    ->getStorage('taxonomy_term');
  // Fetch the created terms in the default alphabetical order, i.e. term1
  // precedes term2 alphabetically, and term2 precedes term3.
  $taxonomy_storage->resetCache();
  [$term1, $term2, $term3] = $taxonomy_storage->loadTree($this->vocabulary
    ->id(), 0, NULL, TRUE);
  $this->drupalGet('admin/structure/taxonomy/manage/' . $this->vocabulary
    ->id() . '/overview');
  // Each term has four hidden fields, "tid:1:0[tid]", "tid:1:0[parent]",
  // "tid:1:0[depth]", and "tid:1:0[weight]". Change the order to term2,
  // term3, term1 by setting weight property, make term3 a child of term2 by
  // setting the parent and depth properties, and update all hidden fields.
  $hidden_edit = [
    'terms[tid:' . $term2->id() . ':0][term][tid]' => $term2->id(),
    'terms[tid:' . $term2->id() . ':0][term][parent]' => 0,
    'terms[tid:' . $term2->id() . ':0][term][depth]' => 0,
    'terms[tid:' . $term3->id() . ':0][term][tid]' => $term3->id(),
    'terms[tid:' . $term3->id() . ':0][term][parent]' => $term2->id(),
    'terms[tid:' . $term3->id() . ':0][term][depth]' => 1,
    'terms[tid:' . $term1->id() . ':0][term][tid]' => $term1->id(),
    'terms[tid:' . $term1->id() . ':0][term][parent]' => 0,
    'terms[tid:' . $term1->id() . ':0][term][depth]' => 0,
  ];
  // Because we can't post hidden form elements, we have to change them in
  // code here, and then submit.
  foreach ($hidden_edit as $field => $value) {
    $node = $assert->hiddenFieldExists($field);
    $node->setValue($value);
  }
  // Edit non-hidden elements within submitForm().
  $edit = [
    'terms[tid:' . $term2->id() . ':0][weight]' => 0,
    'terms[tid:' . $term3->id() . ':0][weight]' => 1,
    'terms[tid:' . $term1->id() . ':0][weight]' => 2,
  ];
  $this->submitForm($edit, 'Save');
  $taxonomy_storage->resetCache();
  $terms = $taxonomy_storage->loadTree($this->vocabulary
    ->id());
  $this->assertEquals($term2->id(), $terms[0]->tid, 'Term 2 was moved above term 1.');
  $this->assertEquals([
    $term2->id(),
  ], $terms[1]->parents, 'Term 3 was made a child of term 2.');
  $this->assertEquals($term1->id(), $terms[2]->tid, 'Term 1 was moved below term 2.');
  $this->drupalGet('admin/structure/taxonomy/manage/' . $this->vocabulary
    ->id() . '/overview');
  $this->submitForm([], 'Reset to alphabetical');
  // Submit confirmation form.
  $this->submitForm([], 'Reset to alphabetical');
  // Ensure form redirected back to overview.
  $this->assertSession()
    ->addressEquals('admin/structure/taxonomy/manage/' . $this->vocabulary
    ->id() . '/overview');
  $taxonomy_storage->resetCache();
  $terms = $taxonomy_storage->loadTree($this->vocabulary
    ->id(), 0, NULL, TRUE);
  $this->assertEquals($term1->id(), $terms[0]->id(), 'Term 1 was moved to back above term 2.');
  $this->assertEquals($term2->id(), $terms[1]->id(), 'Term 2 was moved to back below term 1.');
  $this->assertEquals($term3->id(), $terms[2]->id(), 'Term 3 is still below term 2.');
  $this->assertEquals([
    $term2->id(),
  ], $terms[2]->parents, 'Term 3 is still a child of term 2.');
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
