function EntityReferenceRelationshipTest::testGroupByWithEmptyRelationships

Tests group by with optional and empty relationship.

File

core/modules/field/tests/src/Kernel/EntityReference/Views/EntityReferenceRelationshipTest.php, line 294

Class

EntityReferenceRelationshipTest

Tests entity reference relationship data.

Namespace

Code

public function testGroupByWithEmptyRelationships() : void {
  $entities = [];
  // Create 4 entities with name1 and 3 entities with name2.
  for ($i = 1; $i <= 4; $i++) {
    $entity = [
      'name' => 'name' . $i,
    ];
    $entity = EntityTest::create($entity);
    $entities[] = $entity;
    $entity->save();
  }
  $entity = EntityTestMul::create([
    'name' => 'name1',
  ]);
  $entity->field_data_test_unlimited = [
    [
      'target_id' => $entities[0]->id(),
    ],
    [
      'target_id' => $entities[1]->id(),
    ],
    [
      'target_id' => $entities[2]->id(),
    ],
  ];
  $entity->save();
  $entity = EntityTestMul::create([
    'name' => 'name2',
  ]);
  $entity->field_data_test_unlimited = [
    [
      'target_id' => $entities[0]->id(),
    ],
    [
      'target_id' => $entities[1]->id(),
    ],
  ];
  $entity->save();
  $entity = EntityTestMul::create([
    'name' => 'name3',
  ]);
  $entity->field_data_test_unlimited->target_id = $entities[0]->id();
  $entity->save();
  $view = Views::getView('test_entity_reference_group_by_empty_relationships');
  $this->executeView($view);
  $this->assertCount(4, $view->result);
  // First three results should contain a reference from EntityTestMul.
  $this->assertNotEmpty($view->getStyle()
    ->getField(0, 'name_2'));
  $this->assertNotEmpty($view->getStyle()
    ->getField(1, 'name_2'));
  $this->assertNotEmpty($view->getStyle()
    ->getField(2, 'name_2'));
  // Fourth result has no reference from EntityTestMul hence the output for
  // should be empty.
  $this->assertEquals('', $view->getStyle()
    ->getField(3, 'name_2'));
  $fields = $view->field;
  // Check getValue for reference with a value. The first 3 rows reference
  // EntityTestMul, so have value 'name1'.
  $this->assertEquals('name1', $fields['name_2']->getValue($view->result[0]));
  $this->assertEquals('name1', $fields['name_2']->getValue($view->result[1]));
  $this->assertEquals('name1', $fields['name_2']->getValue($view->result[2]));
  // Ensure getValue works on empty references.
  $this->assertNull($fields['name_2']->getValue($view->result[3]));
}