ValidReferenceConstraintValidatorTest.php in Drupal 9

Namespace

Drupal\KernelTests\Core\Entity

File

core/tests/Drupal/KernelTests/Core/Entity/ValidReferenceConstraintValidatorTest.php

<?php

namespace Drupal\KernelTests\Core\Entity;

use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\entity_test\Entity\EntityTest;
use Drupal\field\Entity\FieldConfig;
use Drupal\node\Entity\Node;
use Drupal\node\NodeInterface;
use Drupal\Tests\field\Traits\EntityReferenceTestTrait;
use Drupal\Tests\node\Traits\ContentTypeCreationTrait;
use Drupal\user\Entity\Role;
use Drupal\user\Entity\User;

/**
 * Tests validation constraints for ValidReferenceConstraintValidator.
 *
 * @group Validation
 */
class ValidReferenceConstraintValidatorTest extends EntityKernelTestBase {
  use EntityReferenceTestTrait;
  use ContentTypeCreationTrait;

  /**
   * The typed data manager to use.
   *
   * @var \Drupal\Core\TypedData\TypedDataManager
   */
  protected $typedData;

  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'field',
    'node',
    'user',
  ];

  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this
      ->installSchema('user', [
      'users_data',
    ]);
    $this
      ->installSchema('node', [
      'node_access',
    ]);
    $this
      ->installConfig('node');
    $this->typedData = $this->container
      ->get('typed_data_manager');
    $this
      ->createContentType([
      'type' => 'article',
      'name' => 'Article',
    ]);
    $this
      ->createContentType([
      'type' => 'page',
      'name' => 'Basic page',
    ]);
  }

  /**
   * Tests the ValidReferenceConstraintValidator.
   */
  public function testValidation() {

    // Create a test entity to be referenced.
    $entity = $this
      ->createUser();

    // By default entity references already have the ValidReference constraint.
    $definition = BaseFieldDefinition::create('entity_reference')
      ->setSettings([
      'target_type' => 'user',
    ]);
    $typed_data = $this->typedData
      ->create($definition, [
      'target_id' => $entity
        ->id(),
    ]);
    $violations = $typed_data
      ->validate();
    $this
      ->assertEquals(0, $violations
      ->count(), 'Validation passed for correct value.');

    // NULL is also considered a valid reference.
    $typed_data = $this->typedData
      ->create($definition, [
      'target_id' => NULL,
    ]);
    $violations = $typed_data
      ->validate();
    $this
      ->assertEquals(0, $violations
      ->count(), 'Validation passed for correct value.');
    $typed_data = $this->typedData
      ->create($definition, [
      'target_id' => $entity
        ->id(),
    ]);

    // Delete the referenced entity.
    $entity
      ->delete();
    $violations = $typed_data
      ->validate();
    $this
      ->assertGreaterThan(0, $violations
      ->count(), 'Validation failed for incorrect value.');

    // Make sure the information provided by a violation is correct.
    $violation = $violations[0];
    $this
      ->assertEquals(t('The referenced entity (%type: %id) does not exist.', [
      '%type' => 'user',
      '%id' => $entity
        ->id(),
    ]), $violation
      ->getMessage(), 'The message for invalid value is correct.');
    $this
      ->assertEquals($typed_data, $violation
      ->getRoot(), 'Violation root is correct.');
  }

  /**
   * Tests the validation of pre-existing items in an entity reference field.
   */
  public function testPreExistingItemsValidation() {

    // Create two types of users, with and without access to bypass content
    // access.

    /** @var \Drupal\user\RoleInterface $role_with_access */
    $role_with_access = Role::create([
      'id' => 'role_with_access',
    ]);
    $role_with_access
      ->grantPermission('access content');
    $role_with_access
      ->grantPermission('bypass node access');
    $role_with_access
      ->save();

    /** @var \Drupal\user\RoleInterface $role_without_access */
    $role_without_access = Role::create([
      'id' => 'role_without_access',
    ]);
    $role_without_access
      ->grantPermission('access content');
    $role_without_access
      ->save();
    $user_with_access = User::create([
      'roles' => [
        'role_with_access',
      ],
    ]);
    $user_without_access = User::create([
      'roles' => [
        'role_without_access',
      ],
    ]);

    // Add an entity reference field.
    $this
      ->createEntityReferenceField('entity_test', 'entity_test', 'field_test', 'Field test', 'node', 'default', [
      'target_bundles' => [
        'article',
        'page',
      ],
    ], FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);

    // Create four test nodes.
    $published_node = Node::create([
      'title' => 'Test published node',
      'type' => 'article',
      'status' => NodeInterface::PUBLISHED,
    ]);
    $published_node
      ->save();
    $unpublished_node = Node::create([
      'title' => 'Test unpublished node',
      'type' => 'article',
      'status' => NodeInterface::NOT_PUBLISHED,
    ]);
    $unpublished_node
      ->save();
    $different_bundle_node = Node::create([
      'title' => 'Test page node',
      'type' => 'page',
      'status' => NodeInterface::PUBLISHED,
    ]);
    $different_bundle_node
      ->save();
    $deleted_node = Node::create([
      'title' => 'Test deleted node',
      'type' => 'article',
      'status' => NodeInterface::PUBLISHED,
    ]);
    $deleted_node
      ->save();
    $referencing_entity = EntityTest::create([
      'field_test' => [
        [
          'entity' => $published_node,
        ],
        [
          'entity' => $unpublished_node,
        ],
        [
          'entity' => $different_bundle_node,
        ],
        [
          'entity' => $deleted_node,
        ],
      ],
    ]);

    // Check that users with access are able pass the validation for fields
    // without pre-existing content.
    $this->container
      ->get('account_switcher')
      ->switchTo($user_with_access);
    $violations = $referencing_entity->field_test
      ->validate();
    $this
      ->assertCount(0, $violations);

    // Check that users without access are not able pass the validation for
    // fields without pre-existing content.
    $this->container
      ->get('account_switcher')
      ->switchTo($user_without_access);
    $violations = $referencing_entity->field_test
      ->validate();
    $this
      ->assertCount(1, $violations);
    $this
      ->assertEquals(t('This entity (%type: %id) cannot be referenced.', [
      '%type' => 'node',
      '%id' => $unpublished_node
        ->id(),
    ]), $violations[0]
      ->getMessage());

    // Now save the referencing entity which will create a pre-existing state
    // for it and repeat the checks. This time, the user without access should
    // be able to pass the validation as well because it's not changing the
    // pre-existing state.
    $referencing_entity
      ->save();
    $this->container
      ->get('account_switcher')
      ->switchTo($user_with_access);
    $violations = $referencing_entity->field_test
      ->validate();
    $this
      ->assertCount(0, $violations);

    // Check that users without access are able pass the validation for fields
    // with pre-existing content.
    $this->container
      ->get('account_switcher')
      ->switchTo($user_without_access);
    $violations = $referencing_entity->field_test
      ->validate();
    $this
      ->assertCount(0, $violations);

    // Re-save the referencing entity and check that the referenced entity is
    // not affected.
    $referencing_entity->name->value = $this
      ->randomString();
    $referencing_entity
      ->save();
    $this
      ->assertEquals($published_node
      ->id(), $referencing_entity->field_test[0]->target_id);
    $this
      ->assertEquals($unpublished_node
      ->id(), $referencing_entity->field_test[1]->target_id);
    $this
      ->assertEquals($different_bundle_node
      ->id(), $referencing_entity->field_test[2]->target_id);
    $this
      ->assertEquals($deleted_node
      ->id(), $referencing_entity->field_test[3]->target_id);
    $violations = $referencing_entity->field_test
      ->validate();
    $this
      ->assertCount(0, $violations);

    // Remove one of the referenceable bundles and check that a pre-existing node
    // of that bundle can not be referenced anymore.
    $field = FieldConfig::loadByName('entity_test', 'entity_test', 'field_test');
    $field
      ->setSetting('handler_settings', [
      'target_bundles' => [
        'article',
      ],
    ]);
    $field
      ->save();
    $referencing_entity = $this
      ->reloadEntity($referencing_entity);
    $violations = $referencing_entity->field_test
      ->validate();
    $this
      ->assertCount(1, $violations);
    $this
      ->assertEquals(t('This entity (%type: %id) cannot be referenced.', [
      '%type' => 'node',
      '%id' => $different_bundle_node
        ->id(),
    ]), $violations[0]
      ->getMessage());

    // Delete the last node and check that the pre-existing reference is not
    // valid anymore.
    $deleted_node
      ->delete();
    $violations = $referencing_entity->field_test
      ->validate();
    $this
      ->assertCount(2, $violations);
    $this
      ->assertEquals(t('This entity (%type: %id) cannot be referenced.', [
      '%type' => 'node',
      '%id' => $different_bundle_node
        ->id(),
    ]), $violations[0]
      ->getMessage());
    $this
      ->assertEquals(t('The referenced entity (%type: %id) does not exist.', [
      '%type' => 'node',
      '%id' => $deleted_node
        ->id(),
    ]), $violations[1]
      ->getMessage());
  }

}

Classes

Name	Description
ValidReferenceConstraintValidatorTest	Tests validation constraints for ValidReferenceConstraintValidator.