function EntityFormDisplayTest::testFieldComponent

Tests the behavior of a field component within an EntityFormDisplay object.

File

core/modules/field_ui/tests/src/Kernel/EntityFormDisplayTest.php, line 64

Class

EntityFormDisplayTest

Tests the entity display configuration entities.

Namespace

Code

public function testFieldComponent() {
    // Create a field storage and a field.
    $field_name = 'test_field';
    $field_storage = FieldStorageConfig::create([
        'field_name' => $field_name,
        'entity_type' => 'entity_test',
        'type' => 'test_field',
    ]);
    $field_storage->save();
    $field = FieldConfig::create([
        'field_storage' => $field_storage,
        'bundle' => 'entity_test',
    ]);
    $field->save();
    $form_display = EntityFormDisplay::create([
        'targetEntityType' => 'entity_test',
        'bundle' => 'entity_test',
        'mode' => 'default',
    ]);
    // Check that providing no options results in default values being used.
    $form_display->setComponent($field_name);
    $field_type_info = \Drupal::service('plugin.manager.field.field_type')->getDefinition($field_storage->getType());
    $default_widget = $field_type_info['default_widget'];
    $widget_settings = \Drupal::service('plugin.manager.field.widget')->getDefaultSettings($default_widget);
    $expected = [
        'weight' => 3,
        'type' => $default_widget,
        'settings' => $widget_settings,
        'third_party_settings' => [],
    ];
    $this->assertEqual($form_display->getComponent($field_name), $expected);
    // Check that the getWidget() method returns the correct widget plugin.
    $widget = $form_display->getRenderer($field_name);
    $this->assertEqual($widget->getPluginId(), $default_widget);
    $this->assertEqual($widget->getSettings(), $widget_settings);
    // Check that the widget is statically persisted, by assigning an
    // arbitrary property and reading it back.
    $random_value = $this->randomString();
    $widget->randomValue = $random_value;
    $widget = $form_display->getRenderer($field_name);
    $this->assertEqual($widget->randomValue, $random_value);
    // Check that changing the definition creates a new widget.
    $form_display->setComponent($field_name, [
        'type' => 'field_test_multiple',
    ]);
    $widget = $form_display->getRenderer($field_name);
    $this->assertEqual($widget->getPluginId(), 'test_field_widget');
    $this->assertFalse(isset($widget->randomValue));
    // Check that specifying an unknown widget (e.g. case of a disabled module)
    // gets stored as is in the display, but results in the default widget being
    // used.
    $form_display->setComponent($field_name, [
        'type' => 'unknown_widget',
    ]);
    $options = $form_display->getComponent($field_name);
    $this->assertEqual($options['type'], 'unknown_widget');
    $widget = $form_display->getRenderer($field_name);
    $this->assertEqual($widget->getPluginId(), $default_widget);
}