function ContentEntityFormCorrectUserInputMappingOnFieldDeltaElementsTest::testCorrectUserInputMappingOnComplexFields

Tests the correct user input mapping on complex fields.

File

core/tests/Drupal/FunctionalTests/Entity/ContentEntityFormCorrectUserInputMappingOnFieldDeltaElementsTest.php, line 79

Class

ContentEntityFormCorrectUserInputMappingOnFieldDeltaElementsTest

Tests the correct mapping of user input on the correct field delta elements.

Namespace

Code

public function testCorrectUserInputMappingOnComplexFields() {
    
    /** @var ContentEntityStorageInterface $storage */
    $storage = $this->container
        ->get('entity_type.manager')
        ->getStorage($this->entityTypeId);
    
    /** @var ContentEntityInterface $entity */
    $entity = $storage->create([
        $this->fieldName => [
            [
                'shape' => 'rectangle',
                'color' => 'green',
            ],
            [
                'shape' => 'circle',
                'color' => 'blue',
            ],
        ],
    ]);
    $entity->save();
    $this->drupalGet($this->entityTypeId . '/manage/' . $entity->id() . '/edit');
    // Rearrange the field items.
    $edit = [
        "{$this->fieldName}[0][_weight]" => 0,
        "{$this->fieldName}[1][_weight]" => -1,
    ];
    // Executing an ajax call is important before saving as it will trigger
    // form state caching and so if for any reasons the form is rebuilt with
    // the entity built based on the user submitted values with already
    // reordered field items then the correct mapping will break after the form
    // builder maps over the new form the user submitted values based on the
    // previous delta ordering.
    //
    // This is how currently the form building process works and this test
    // ensures the correct behavior no matter what changes would be made to the
    // form builder or the content entity forms.
    $this->drupalPostForm(NULL, $edit, t('Add another item'));
    $this->drupalPostForm(NULL, [], t('Save'));
    // Reload the entity.
    $entity = $storage->load($entity->id());
    // Assert that after rearranging the field items the user input will be
    // mapped on the correct delta field items.
    $this->assertEquals($entity->get($this->fieldName)
        ->getValue(), [
        [
            'shape' => 'circle',
            'color' => 'blue',
        ],
        [
            'shape' => 'rectangle',
            'color' => 'green',
        ],
    ]);
}