public function NestedFormTest::testNestedFieldForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/field/tests/src/Functional/NestedFormTest.php \Drupal\Tests\field\Functional\NestedFormTest::testNestedFieldForm()

Tests Field API form integration within a subform.

File

core/modules/field/tests/src/Functional/NestedFormTest.php, line 64

Class

NestedFormTest

Tests field elements in nested forms.

Namespace

Drupal\Tests\field\Functional

Code

public function testNestedFieldForm() {

  /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
  $display_repository = \Drupal::service('entity_display.repository');

  // Add two fields on the 'entity_test'
  FieldStorageConfig::create($this->fieldStorageSingle)
    ->save();
  FieldStorageConfig::create($this->fieldStorageUnlimited)
    ->save();
  $this->field['field_name'] = 'field_single';
  $this->field['label'] = 'Single field';
  FieldConfig::create($this->field)
    ->save();
  $display_repository
    ->getFormDisplay($this->field['entity_type'], $this->field['bundle'])
    ->setComponent($this->field['field_name'])
    ->save();
  $this->field['field_name'] = 'field_unlimited';
  $this->field['label'] = 'Unlimited field';
  FieldConfig::create($this->field)
    ->save();
  $display_repository
    ->getFormDisplay($this->field['entity_type'], $this->field['bundle'])
    ->setComponent($this->field['field_name'])
    ->save();

  // Create two entities.
  $entity_type = 'entity_test';
  $storage = $this->container
    ->get('entity_type.manager')
    ->getStorage($entity_type);
  $entity_1 = $storage
    ->create([
    'id' => 1,
  ]);
  $entity_1
    ->enforceIsNew();
  $entity_1->field_single->value = 0;
  $entity_1->field_unlimited->value = 1;
  $entity_1
    ->save();
  $entity_2 = $storage
    ->create([
    'id' => 2,
  ]);
  $entity_2
    ->enforceIsNew();
  $entity_2->field_single->value = 10;
  $entity_2->field_unlimited->value = 11;
  $entity_2
    ->save();

  // Display the 'combined form'.
  $this
    ->drupalGet('test-entity/nested/1/2');
  $this
    ->assertFieldByName('field_single[0][value]', 0, 'Entity 1: field_single value appears correctly is the form.');
  $this
    ->assertFieldByName('field_unlimited[0][value]', 1, 'Entity 1: field_unlimited value 0 appears correctly is the form.');
  $this
    ->assertFieldByName('entity_2[field_single][0][value]', 10, 'Entity 2: field_single value appears correctly is the form.');
  $this
    ->assertFieldByName('entity_2[field_unlimited][0][value]', 11, 'Entity 2: field_unlimited value 0 appears correctly is the form.');

  // Submit the form and check that the entities are updated accordingly.
  $edit = [
    'field_single[0][value]' => 1,
    'field_unlimited[0][value]' => 2,
    'field_unlimited[1][value]' => 3,
    'entity_2[field_single][0][value]' => 11,
    'entity_2[field_unlimited][0][value]' => 12,
    'entity_2[field_unlimited][1][value]' => 13,
  ];
  $this
    ->drupalPostForm(NULL, $edit, t('Save'));
  $entity_1 = $storage
    ->load(1);
  $entity_2 = $storage
    ->load(2);
  $this
    ->assertFieldValues($entity_1, 'field_single', [
    1,
  ]);
  $this
    ->assertFieldValues($entity_1, 'field_unlimited', [
    2,
    3,
  ]);
  $this
    ->assertFieldValues($entity_2, 'field_single', [
    11,
  ]);
  $this
    ->assertFieldValues($entity_2, 'field_unlimited', [
    12,
    13,
  ]);

  // Submit invalid values and check that errors are reported on the
  // correct widgets.
  $edit = [
    'field_unlimited[1][value]' => -1,
  ];
  $this
    ->drupalPostForm('test-entity/nested/1/2', $edit, t('Save'));
  $this
    ->assertRaw(t('%label does not accept the value -1', [
    '%label' => 'Unlimited field',
  ]), 'Entity 1: the field validation error was reported.');
  $error_field = $this
    ->xpath('//input[@id=:id and contains(@class, "error")]', [
    ':id' => 'edit-field-unlimited-1-value',
  ]);
  $this
    ->assertCount(1, $error_field, 'Entity 1: the error was flagged on the correct element.');
  $edit = [
    'entity_2[field_unlimited][1][value]' => -1,
  ];
  $this
    ->drupalPostForm('test-entity/nested/1/2', $edit, t('Save'));
  $this
    ->assertRaw(t('%label does not accept the value -1', [
    '%label' => 'Unlimited field',
  ]), 'Entity 2: the field validation error was reported.');
  $error_field = $this
    ->xpath('//input[@id=:id and contains(@class, "error")]', [
    ':id' => 'edit-entity-2-field-unlimited-1-value',
  ]);
  $this
    ->assertCount(1, $error_field, 'Entity 2: the error was flagged on the correct element.');

  // Test that reordering works on both entities.
  $edit = [
    'field_unlimited[0][_weight]' => 0,
    'field_unlimited[1][_weight]' => -1,
    'entity_2[field_unlimited][0][_weight]' => 0,
    'entity_2[field_unlimited][1][_weight]' => -1,
  ];
  $this
    ->drupalPostForm('test-entity/nested/1/2', $edit, t('Save'));
  $this
    ->assertFieldValues($entity_1, 'field_unlimited', [
    3,
    2,
  ]);
  $this
    ->assertFieldValues($entity_2, 'field_unlimited', [
    13,
    12,
  ]);

  // Test the 'add more' buttons.
  // 'Add more' button in the first entity:
  $this
    ->drupalGet('test-entity/nested/1/2');
  $this
    ->drupalPostForm(NULL, [], 'field_unlimited_add_more');
  $this
    ->assertFieldByName('field_unlimited[0][value]', 3, 'Entity 1: field_unlimited value 0 appears correctly is the form.');
  $this
    ->assertFieldByName('field_unlimited[1][value]', 2, 'Entity 1: field_unlimited value 1 appears correctly is the form.');
  $this
    ->assertFieldByName('field_unlimited[2][value]', '', 'Entity 1: field_unlimited value 2 appears correctly is the form.');
  $this
    ->assertFieldByName('field_unlimited[3][value]', '', 'Entity 1: an empty widget was added for field_unlimited value 3.');

  // 'Add more' button in the first entity (changing field values):
  $edit = [
    'entity_2[field_unlimited][0][value]' => 13,
    'entity_2[field_unlimited][1][value]' => 14,
    'entity_2[field_unlimited][2][value]' => 15,
  ];
  $this
    ->drupalPostForm(NULL, $edit, 'entity_2_field_unlimited_add_more');
  $this
    ->assertFieldByName('entity_2[field_unlimited][0][value]', 13, 'Entity 2: field_unlimited value 0 appears correctly is the form.');
  $this
    ->assertFieldByName('entity_2[field_unlimited][1][value]', 14, 'Entity 2: field_unlimited value 1 appears correctly is the form.');
  $this
    ->assertFieldByName('entity_2[field_unlimited][2][value]', 15, 'Entity 2: field_unlimited value 2 appears correctly is the form.');
  $this
    ->assertFieldByName('entity_2[field_unlimited][3][value]', '', 'Entity 2: an empty widget was added for field_unlimited value 3.');

  // Save the form and check values are saved correctly.
  $this
    ->drupalPostForm(NULL, [], t('Save'));
  $this
    ->assertFieldValues($entity_1, 'field_unlimited', [
    3,
    2,
  ]);
  $this
    ->assertFieldValues($entity_2, 'field_unlimited', [
    13,
    14,
    15,
  ]);
}