public function EntityReferenceTest::testWithSingleReference in Feeds 8.3

Tests if only a single entity is referenced per value.

In case multiple entities exist for a source value mapped to an entity reference field, ensure that by default only one entity is returned.

File

tests/src/Kernel/Feeds/Target/EntityReferenceTest.php, line 443

Class

EntityReferenceTest

Tests for the entityreference target.

Namespace

Drupal\Tests\feeds\Kernel\Feeds\Target

Code

public function testWithSingleReference() {

  // Create a content type for which entities will be referenced.
  $type = NodeType::create([
    'type' => 'event',
    'name' => 'Event',
  ]);
  $type
    ->save();

  // Add a text field on this type that will be used as the field to reference
  // by.
  $this
    ->createFieldWithStorage('field_alpha', [
    'bundle' => 'event',
  ]);

  // Create two event nodes, both with the same value for the field "alpha".
  Node::create([
    'title' => 'Event 1',
    'type' => 'event',
    'field_alpha' => 'Lorem',
  ])
    ->save();
  Node::create([
    'title' => 'Event 2',
    'type' => 'event',
    'field_alpha' => 'Lorem',
  ])
    ->save();

  // Add an entity reference field to the content type "article", referencing
  // nodes of type "event" and accepting multiple values.
  $this
    ->createEntityReferenceField('node', 'article', 'field_event', 'Event', 'node', 'default', [
    'target_bundles' => [
      'event',
    ],
  ], FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);

  // Create a feed type for importing articles, with a mapper to the
  // entityreference field 'field_event'.
  $feed_type = $this
    ->createFeedTypeForCsv([
    'title' => 'title',
    'guid' => 'guid',
    'alpha' => 'alpha',
  ], [
    'mappings' => array_merge($this
      ->getDefaultMappings(), [
      [
        'target' => 'field_event',
        'map' => [
          'target_id' => 'alpha',
        ],
        'settings' => [
          'reference_by' => 'field_alpha',
        ],
      ],
    ]),
  ]);

  // Import articles.
  $feed = $this
    ->createFeed($feed_type
    ->id(), [
    'source' => $this
      ->resourcesPath() . '/csv/content.csv',
  ]);
  $feed
    ->import();

  // Assert that now four nodes in total exist.
  $this
    ->assertNodeCount(4);

  // Assert that the first article references only one entity and the second
  // none.
  $expected_values_per_node = [
    3 => [
      [
        'target_id' => 1,
      ],
    ],
    4 => [],
  ];
  foreach ($expected_values_per_node as $nid => $expected_value) {
    $node = Node::load($nid);
    $this
      ->assertEquals($expected_value, $node->field_event
      ->getValue());
  }
}