function TermEntityReferenceTest::testSelectionTestVocabularyRestriction

Tests an entity reference field restricted to a single vocabulary.

Creates two vocabularies with a term, then set up the entity reference field to limit the target vocabulary to one of them, ensuring that the restriction applies.

File

core/modules/taxonomy/tests/src/Kernel/TermEntityReferenceTest.php, line 48

Class

TermEntityReferenceTest

Tests the settings of restricting term selection to a single vocabulary.

Namespace

Code

public function testSelectionTestVocabularyRestriction() {
    // Create two vocabularies.
    $vocabulary = Vocabulary::create([
        'name' => 'test1',
        'vid' => 'test1',
    ]);
    $vocabulary->save();
    $vocabulary2 = Vocabulary::create([
        'name' => 'test2',
        'vid' => 'test2',
    ]);
    $vocabulary2->save();
    $term = Term::create([
        'name' => 'term1',
        'vid' => $vocabulary->id(),
    ]);
    $term->save();
    $term2 = Term::create([
        'name' => 'term2',
        'vid' => $vocabulary2->id(),
    ]);
    $term2->save();
    // Create an entity reference field.
    $field_name = 'taxonomy_' . $vocabulary->id();
    $field_storage = FieldStorageConfig::create([
        'field_name' => $field_name,
        'entity_type' => 'entity_test',
        'translatable' => FALSE,
        'settings' => [
            'target_type' => 'taxonomy_term',
        ],
        'type' => 'entity_reference',
        'cardinality' => 1,
    ]);
    $field_storage->save();
    $field = FieldConfig::create([
        'field_storage' => $field_storage,
        'entity_type' => 'entity_test',
        'bundle' => 'test_bundle',
        'settings' => [
            'handler' => 'default',
            'handler_settings' => [
                // Restrict selection of terms to a single vocabulary.
'target_bundles' => [
                    $vocabulary->id() => $vocabulary->id(),
                ],
            ],
        ],
    ]);
    $field->save();
    $handler = $this->container
        ->get('plugin.manager.entity_reference_selection')
        ->getSelectionHandler($field);
    $result = $handler->getReferenceableEntities();
    $expected_result = [
        $vocabulary->id() => [
            $term->id() => $term->getName(),
        ],
    ];
    $this->assertSame($expected_result, $result, 'Terms selection restricted to a single vocabulary.');
}