class EntityDisplayTest in Drupal 10

Tests the entity display configuration entities.

@group field_ui

Hierarchy

• class \Drupal\KernelTests\KernelTestBase extends \PHPUnit\Framework\TestCase implements ServiceProviderInterface uses \Drupal\Tests\PhpUnitCompatibilityTrait, \Symfony\Bridge\PhpUnit\ExpectDeprecationTrait, AssertContentTrait, ConfigTestTrait, ExtensionListTestTrait, RandomGeneratorTrait, TestRequirementsTrait, PhpUnitWarnings
  • class \Drupal\Tests\field_ui\Kernel\EntityDisplayTest

File

core/modules/field_ui/tests/src/Kernel/EntityDisplayTest.php, line 24

Namespace

Drupal\Tests\field_ui\Kernel

class EntityDisplayTest extends KernelTestBase {

  /**
   * Modules to install.
   *
   * @var string[]
   */
  protected static $modules = [
    'field_ui',
    'field',
    'entity_test',
    'user',
    'text',
    'field_test',
    'node',
    'system',
  ];
  protected function setUp() : void {
    parent::setUp();
    $this
      ->installEntitySchema('entity_test');
    $this
      ->installEntitySchema('node');
    $this
      ->installEntitySchema('user');
    $this
      ->installConfig([
      'field',
      'node',
      'user',
    ]);
  }

  /**
   * Tests basic CRUD operations on entity display objects.
   */
  public function testEntityDisplayCRUD() {
    $display = EntityViewDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'entity_test',
      'mode' => 'default',
    ]);
    $expected = [];

    // Check that providing no 'weight' results in the highest current weight
    // being assigned. The 'name' field's formatter has weight -5, therefore
    // these follow.
    $expected['component_1'] = [
      'weight' => -4,
      'settings' => [],
      'third_party_settings' => [],
    ];
    $expected['component_2'] = [
      'weight' => -3,
      'settings' => [],
      'third_party_settings' => [],
    ];
    $display
      ->setComponent('component_1');
    $display
      ->setComponent('component_2');
    $this
      ->assertEquals($expected['component_1'], $display
      ->getComponent('component_1'));
    $this
      ->assertEquals($expected['component_2'], $display
      ->getComponent('component_2'));

    // Check that arbitrary options are correctly stored.
    $expected['component_3'] = [
      'weight' => 10,
      'third_party_settings' => [
        'field_test' => [
          'foo' => 'bar',
        ],
      ],
      'settings' => [],
    ];
    $display
      ->setComponent('component_3', $expected['component_3']);
    $this
      ->assertEquals($expected['component_3'], $display
      ->getComponent('component_3'));

    // Check that the display can be properly saved and read back.
    $display
      ->save();
    $display = EntityViewDisplay::load($display
      ->id());
    foreach ([
      'component_1',
      'component_2',
      'component_3',
    ] as $name) {
      $expected[$name]['region'] = 'content';
      $this
        ->assertEquals($expected[$name], $display
        ->getComponent($name));
    }

    // Ensure that third party settings were added to the config entity.
    // These are added by entity_test_entity_presave() implemented in
    // entity_test module.
    $this
      ->assertEquals('bar', $display
      ->getThirdPartySetting('entity_test', 'foo'), 'Third party settings were added to the entity view display.');

    // Check that getComponents() returns options for all components.
    $expected['name'] = [
      'label' => 'hidden',
      'type' => 'string',
      'weight' => -5,
      'settings' => [
        'link_to_entity' => FALSE,
      ],
      'third_party_settings' => [],
      'region' => 'content',
    ];
    $this
      ->assertEquals($expected, $display
      ->getComponents());

    // Check that a component can be removed.
    $display
      ->removeComponent('component_3');
    $this
      ->assertNULL($display
      ->getComponent('component_3'));

    // Check that the removal is correctly persisted.
    $display
      ->save();
    $display = EntityViewDisplay::load($display
      ->id());
    $this
      ->assertNULL($display
      ->getComponent('component_3'));

    // Check that createCopy() creates a new component that can be correctly
    // saved.
    EntityViewMode::create([
      'id' => $display
        ->getTargetEntityTypeId() . '.other_view_mode',
      'targetEntityType' => $display
        ->getTargetEntityTypeId(),
    ])
      ->save();
    $new_display = $display
      ->createCopy('other_view_mode');
    $new_display
      ->save();
    $new_display = EntityViewDisplay::load($new_display
      ->id());
    $dependencies = $new_display
      ->calculateDependencies()
      ->getDependencies();
    $this
      ->assertEquals([
      'config' => [
        'core.entity_view_mode.entity_test.other_view_mode',
      ],
      'module' => [
        'entity_test',
      ],
    ], $dependencies);
    $this
      ->assertEquals($display
      ->getTargetEntityTypeId(), $new_display
      ->getTargetEntityTypeId());
    $this
      ->assertEquals($display
      ->getTargetBundle(), $new_display
      ->getTargetBundle());
    $this
      ->assertEquals('other_view_mode', $new_display
      ->getMode());
    $this
      ->assertEquals($display
      ->getComponents(), $new_display
      ->getComponents());
  }

  /**
   * Tests sorting of components by name on basic CRUD operations.
   */
  public function testEntityDisplayCRUDSort() {
    $display = EntityViewDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'entity_test',
      'mode' => 'default',
    ]);
    $display
      ->setComponent('component_3');
    $display
      ->setComponent('component_1');
    $display
      ->setComponent('component_2');
    $display
      ->save();
    $components = array_keys($display
      ->getComponents());

    // The name field is not configurable so will be added automatically.
    $expected = [
      0 => 'component_1',
      1 => 'component_2',
      2 => 'component_3',
      'name',
    ];
    $this
      ->assertSame($expected, $components);
  }

  /**
   * @covers \Drupal\Core\Entity\EntityDisplayRepository::getViewDisplay
   */
  public function testEntityGetDisplay() {
    $display_repository = $this->container
      ->get('entity_display.repository');

    // Check that getViewDisplay() returns a fresh object when no configuration
    // entry exists.
    $display = $display_repository
      ->getViewDisplay('entity_test', 'entity_test');
    $this
      ->assertTrue($display
      ->isNew());

    // Add some components and save the display.
    $display
      ->setComponent('component_1', [
      'weight' => 10,
      'settings' => [],
    ])
      ->save();

    // Check that getViewDisplay() returns the correct object.
    $display = $display_repository
      ->getViewDisplay('entity_test', 'entity_test');
    $this
      ->assertFalse($display
      ->isNew());
    $this
      ->assertEquals('entity_test.entity_test.default', $display
      ->id());
    $this
      ->assertEquals([
      'weight' => 10,
      'settings' => [],
      'third_party_settings' => [],
      'region' => 'content',
    ], $display
      ->getComponent('component_1'));
  }

  /**
   * Tests the behavior of a field component within an entity display object.
   */
  public function testExtraFieldComponent() {
    entity_test_create_bundle('bundle_with_extra_fields');
    $display = EntityViewDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'bundle_with_extra_fields',
      'mode' => 'default',
    ]);

    // Check that the default visibility taken into account for extra fields
    // unknown in the display.
    $this
      ->assertEquals([
      'weight' => 5,
      'region' => 'content',
      'settings' => [],
      'third_party_settings' => [],
    ], $display
      ->getComponent('display_extra_field'));
    $this
      ->assertNull($display
      ->getComponent('display_extra_field_hidden'));

    // Check that setting explicit options overrides the defaults.
    $display
      ->removeComponent('display_extra_field');
    $display
      ->setComponent('display_extra_field_hidden', [
      'weight' => 10,
    ]);
    $this
      ->assertNull($display
      ->getComponent('display_extra_field'));
    $this
      ->assertEquals([
      'weight' => 10,
      'settings' => [],
      'third_party_settings' => [],
    ], $display
      ->getComponent('display_extra_field_hidden'));
  }

  /**
   * Tests the behavior of an extra field component with initial invalid values.
   */
  public function testExtraFieldComponentInitialInvalidConfig() {
    entity_test_create_bundle('bundle_with_extra_fields');
    $display = EntityViewDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'bundle_with_extra_fields',
      'mode' => 'default',
      // Add the extra field to the initial config, without a 'type'.
      'content' => [
        'display_extra_field' => [
          'weight' => 5,
        ],
      ],
    ]);

    // Check that the default visibility taken into account for extra fields
    // unknown in the display that were included in the initial config.
    $this
      ->assertEquals([
      'weight' => 5,
      'region' => 'content',
    ], $display
      ->getComponent('display_extra_field'));
    $this
      ->assertNull($display
      ->getComponent('display_extra_field_hidden'));

    // Check that setting explicit options overrides the defaults.
    $display
      ->removeComponent('display_extra_field');
    $display
      ->setComponent('display_extra_field_hidden', [
      'weight' => 10,
    ]);
    $this
      ->assertNull($display
      ->getComponent('display_extra_field'));
    $this
      ->assertEquals([
      'weight' => 10,
      'settings' => [],
      'third_party_settings' => [],
    ], $display
      ->getComponent('display_extra_field_hidden'));
  }

  /**
   * Tests the behavior of a field component within an entity display object.
   */
  public function testFieldComponent() {
    $field_name = 'test_field';

    // Create a field storage and a 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();
    $display = EntityViewDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'entity_test',
      'mode' => 'default',
    ]);

    // Check that providing no options results in default values being used.
    $display
      ->setComponent($field_name);
    $field_type_info = \Drupal::service('plugin.manager.field.field_type')
      ->getDefinition($field_storage
      ->getType());
    $default_formatter = $field_type_info['default_formatter'];
    $formatter_settings = \Drupal::service('plugin.manager.field.formatter')
      ->getDefaultSettings($default_formatter);
    $expected = [
      'weight' => -4,
      'label' => 'above',
      'type' => $default_formatter,
      'settings' => $formatter_settings,
      'third_party_settings' => [],
    ];
    $this
      ->assertEquals($expected, $display
      ->getComponent($field_name));

    // Check that the getFormatter() method returns the correct formatter plugin.
    $formatter = $display
      ->getRenderer($field_name);
    $this
      ->assertEquals($default_formatter, $formatter
      ->getPluginId());
    $this
      ->assertEquals($formatter_settings, $formatter
      ->getSettings());

    // Check that the formatter is statically persisted, by assigning an
    // arbitrary property and reading it back.
    $random_value = $this
      ->randomString();
    $formatter->randomValue = $random_value;
    $formatter = $display
      ->getRenderer($field_name);
    $this
      ->assertEquals($random_value, $formatter->randomValue);

    // Check that changing the definition creates a new formatter.
    $display
      ->setComponent($field_name, [
      'type' => 'field_test_multiple',
    ]);
    $formatter = $display
      ->getRenderer($field_name);
    $this
      ->assertEquals('field_test_multiple', $formatter
      ->getPluginId());
    $this
      ->assertFalse(isset($formatter->randomValue));

    // Check that the display has dependencies on the field and the module that
    // provides the formatter.
    $dependencies = $display
      ->calculateDependencies()
      ->getDependencies();
    $this
      ->assertEquals([
      'config' => [
        'field.field.entity_test.entity_test.test_field',
      ],
      'module' => [
        'entity_test',
        'field_test',
      ],
    ], $dependencies);
  }

  /**
   * Tests the behavior of a field component for a base field.
   */
  public function testBaseFieldComponent() {
    $display = EntityViewDisplay::create([
      'targetEntityType' => 'entity_test_base_field_display',
      'bundle' => 'entity_test_base_field_display',
      'mode' => 'default',
    ]);

    // Check that default options are correctly filled in.
    $formatter_settings = \Drupal::service('plugin.manager.field.formatter')
      ->getDefaultSettings('text_default');
    $expected = [
      'test_no_display' => NULL,
      'test_display_configurable' => [
        'label' => 'above',
        'type' => 'text_default',
        'settings' => $formatter_settings,
        'third_party_settings' => [],
        'weight' => 10,
        'region' => 'content',
      ],
      'test_display_non_configurable' => [
        'label' => 'above',
        'type' => 'text_default',
        'settings' => $formatter_settings,
        'third_party_settings' => [],
        'weight' => 11,
        'region' => 'content',
      ],
    ];
    foreach ($expected as $field_name => $options) {
      $this
        ->assertEquals($options, $display
        ->getComponent($field_name));
    }

    // Check that saving the display only writes data for fields whose display
    // is configurable.
    $display
      ->save();
    $config = $this
      ->config('core.entity_view_display.' . $display
      ->id());
    $data = $config
      ->get();
    $this
      ->assertFalse(isset($data['content']['test_no_display']));
    $this
      ->assertFalse(isset($data['hidden']['test_no_display']));
    $this
      ->assertEquals($expected['test_display_configurable'], $data['content']['test_display_configurable']);
    $this
      ->assertFalse(isset($data['content']['test_display_non_configurable']));
    $this
      ->assertFalse(isset($data['hidden']['test_display_non_configurable']));

    // Check that defaults are correctly filled when loading the display.
    $display = EntityViewDisplay::load($display
      ->id());
    foreach ($expected as $field_name => $options) {
      $this
        ->assertEquals($options, $display
        ->getComponent($field_name));
    }

    // Check that data manually written for fields whose display is not
    // configurable is discarded when loading the display.
    $data['content']['test_display_non_configurable'] = $expected['test_display_non_configurable'];
    $data['content']['test_display_non_configurable']['weight']++;
    $config
      ->setData($data)
      ->save();
    $display = EntityViewDisplay::load($display
      ->id());
    foreach ($expected as $field_name => $options) {
      $this
        ->assertEquals($options, $display
        ->getComponent($field_name));
    }
  }

  /**
   * Tests deleting a bundle.
   */
  public function testDeleteBundle() {

    // Create a node bundle, display and form display object.
    $type = NodeType::create([
      'type' => 'article',
    ]);
    $type
      ->save();
    node_add_body_field($type);

    /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
    $display_repository = \Drupal::service('entity_display.repository');
    $display_repository
      ->getViewDisplay('node', 'article')
      ->save();
    $display_repository
      ->getFormDisplay('node', 'article')
      ->save();

    // Delete the bundle.
    $type
      ->delete();
    $display = EntityViewDisplay::load('node.article.default');
    $this
      ->assertFalse((bool) $display);
    $form_display = EntityFormDisplay::load('node.article.default');
    $this
      ->assertFalse((bool) $form_display);
  }

  /**
   * Tests deleting field.
   */
  public function testDeleteField() {
    $field_name = 'test_field';

    // Create a field storage and a 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();

    // Create default and teaser entity display.
    EntityViewMode::create([
      'id' => 'entity_test.teaser',
      'targetEntityType' => 'entity_test',
    ])
      ->save();
    EntityViewDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'entity_test',
      'mode' => 'default',
    ])
      ->setComponent($field_name)
      ->save();
    EntityViewDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'entity_test',
      'mode' => 'teaser',
    ])
      ->setComponent($field_name)
      ->save();

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

    // Check the component exists.
    $display = $display_repository
      ->getViewDisplay('entity_test', 'entity_test');
    $this
      ->assertNotEmpty($display
      ->getComponent($field_name));
    $display = $display_repository
      ->getViewDisplay('entity_test', 'entity_test', 'teaser');
    $this
      ->assertNotEmpty($display
      ->getComponent($field_name));

    // Delete the field.
    $field
      ->delete();

    // Check that the component has been removed from the entity displays.
    $display = $display_repository
      ->getViewDisplay('entity_test', 'entity_test');
    $this
      ->assertNull($display
      ->getComponent($field_name));
    $display = $display_repository
      ->getViewDisplay('entity_test', 'entity_test', 'teaser');
    $this
      ->assertNull($display
      ->getComponent($field_name));
  }

  /**
   * Tests \Drupal\Core\Entity\EntityDisplayBase::onDependencyRemoval().
   */
  public function testOnDependencyRemoval() {
    $this
      ->enableModules([
      'field_plugins_test',
    ]);
    $field_name = 'test_field';

    // Create a field.
    $field_storage = FieldStorageConfig::create([
      'field_name' => $field_name,
      'entity_type' => 'entity_test',
      'type' => 'text',
    ]);
    $field_storage
      ->save();
    $field = FieldConfig::create([
      'field_storage' => $field_storage,
      'bundle' => 'entity_test',
    ]);
    $field
      ->save();
    EntityViewDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'entity_test',
      'mode' => 'default',
    ])
      ->setComponent($field_name, [
      'type' => 'field_plugins_test_text_formatter',
    ])
      ->save();

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

    // Check the component exists and is of the correct type.
    $display = $display_repository
      ->getViewDisplay('entity_test', 'entity_test');
    $this
      ->assertEquals('field_plugins_test_text_formatter', $display
      ->getComponent($field_name)['type']);

    // Removing the field_plugins_test module should change the component to use
    // the default formatter for test fields.
    \Drupal::service('config.manager')
      ->uninstall('module', 'field_plugins_test');
    $display = $display_repository
      ->getViewDisplay('entity_test', 'entity_test');
    $this
      ->assertEquals('text_default', $display
      ->getComponent($field_name)['type']);

    // Removing the text module should remove the field from the view display.
    \Drupal::service('config.manager')
      ->uninstall('module', 'text');
    $display = $display_repository
      ->getViewDisplay('entity_test', 'entity_test');
    $this
      ->assertNull($display
      ->getComponent($field_name));
  }

  /**
   * Ensure that entity view display changes invalidates cache tags.
   */
  public function testEntityDisplayInvalidateCacheTags() {
    $cache = \Drupal::cache();
    $cache
      ->set('cid', 'kittens', Cache::PERMANENT, [
      'config:entity_view_display_list',
    ]);
    $display = EntityViewDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'entity_test',
      'mode' => 'default',
    ]);
    $display
      ->setComponent('kitten');
    $display
      ->save();
    $this
      ->assertFalse($cache
      ->get('cid'));
  }

  /**
   * Tests getDisplayModeOptions().
   */
  public function testGetDisplayModeOptions() {
    NodeType::create([
      'type' => 'article',
    ])
      ->save();
    EntityViewDisplay::create([
      'targetEntityType' => 'node',
      'bundle' => 'article',
      'mode' => 'default',
    ])
      ->setStatus(TRUE)
      ->save();
    $display_teaser = EntityViewDisplay::create([
      'targetEntityType' => 'node',
      'bundle' => 'article',
      'mode' => 'teaser',
    ]);
    $display_teaser
      ->save();
    EntityFormDisplay::create([
      'targetEntityType' => 'user',
      'bundle' => 'user',
      'mode' => 'default',
    ])
      ->setStatus(TRUE)
      ->save();
    $form_display_teaser = EntityFormDisplay::create([
      'targetEntityType' => 'user',
      'bundle' => 'user',
      'mode' => 'register',
    ]);
    $form_display_teaser
      ->save();

    // Test getViewModeOptionsByBundle().
    $view_modes = \Drupal::service('entity_display.repository')
      ->getViewModeOptionsByBundle('node', 'article');
    $this
      ->assertEquals([
      'default' => 'Default',
    ], $view_modes);
    $display_teaser
      ->setStatus(TRUE)
      ->save();
    $view_modes = \Drupal::service('entity_display.repository')
      ->getViewModeOptionsByBundle('node', 'article');
    $this
      ->assertEquals([
      'default' => 'Default',
      'teaser' => 'Teaser',
    ], $view_modes);

    // Test getFormModeOptionsByBundle().
    $form_modes = \Drupal::service('entity_display.repository')
      ->getFormModeOptionsByBundle('user', 'user');
    $this
      ->assertEquals([
      'default' => 'Default',
    ], $form_modes);
    $form_display_teaser
      ->setStatus(TRUE)
      ->save();
    $form_modes = \Drupal::service('entity_display.repository')
      ->getFormModeOptionsByBundle('user', 'user');
    $this
      ->assertEquals([
      'default' => 'Default',
      'register' => 'Register',
    ], $form_modes);
  }

  /**
   * Tests components dependencies additions.
   */
  public function testComponentDependencies() {
    $this
      ->enableModules([
      'dblog',
      'help',
    ]);
    $this
      ->installSchema('dblog', [
      'watchdog',
    ]);
    $this
      ->installEntitySchema('user');

    /** @var \Drupal\user\RoleInterface[] $roles */
    $roles = [];

    // Create two arbitrary user roles.
    for ($i = 0; $i < 2; $i++) {
      $roles[$i] = Role::create([
        'id' => mb_strtolower($this
          ->randomMachineName()),
        'label' => $this
          ->randomString(),
      ]);
      $roles[$i]
        ->save();
    }

    // Create a field of type 'test_field' attached to 'entity_test'.
    $field_name = mb_strtolower($this
      ->randomMachineName());
    FieldStorageConfig::create([
      'field_name' => $field_name,
      'entity_type' => 'entity_test',
      'type' => 'test_field',
    ])
      ->save();
    FieldConfig::create([
      'field_name' => $field_name,
      'entity_type' => 'entity_test',
      'bundle' => 'entity_test',
    ])
      ->save();

    // Create a new form display without components.

    /** @var \Drupal\Core\Entity\Display\EntityFormDisplayInterface $form_display */
    $form_display = EntityFormDisplay::create([
      'targetEntityType' => 'entity_test',
      'bundle' => 'entity_test',
      'mode' => 'default',
    ]);
    $form_display
      ->save();
    $dependencies = [
      'user.role.' . $roles[0]
        ->id(),
      'user.role.' . $roles[1]
        ->id(),
    ];

    // The config object should not depend on none of the two $roles.
    $this
      ->assertNoDependency('config', $dependencies[0], $form_display);
    $this
      ->assertNoDependency('config', $dependencies[1], $form_display);

    // Add a widget of type 'test_field_widget'.
    $component = [
      'type' => 'test_field_widget',
      'settings' => [
        'test_widget_setting' => $this
          ->randomString(),
        'role' => $roles[0]
          ->id(),
        'role2' => $roles[1]
          ->id(),
      ],
      'third_party_settings' => [
        'help' => [
          'foo' => 'bar',
        ],
      ],
    ];
    $form_display
      ->setComponent($field_name, $component);
    $form_display
      ->save();

    // Now, the form display should depend on both user roles $roles.
    $this
      ->assertDependency('config', $dependencies[0], $form_display);
    $this
      ->assertDependency('config', $dependencies[1], $form_display);

    // The form display should depend on 'help' module.
    $this
      ->assertDependency('module', 'help', $form_display);

    // Delete the first user role entity.
    $roles[0]
      ->delete();

    // Reload the form display.
    $form_display = EntityFormDisplay::load($form_display
      ->id());

    // The display exists.
    $this
      ->assertNotEmpty($form_display);

    // The form display should not depend on $role[0] anymore.
    $this
      ->assertNoDependency('config', $dependencies[0], $form_display);

    // The form display should depend on 'anonymous' user role.
    $this
      ->assertDependency('config', 'user.role.anonymous', $form_display);

    // The form display should depend on 'help' module.
    $this
      ->assertDependency('module', 'help', $form_display);

    // Manually trigger the removal of configuration belonging to the module
    // because KernelTestBase::disableModules() is not aware of this.
    $this->container
      ->get('config.manager')
      ->uninstall('module', 'help');

    // Uninstall 'help' module.
    $this
      ->disableModules([
      'help',
    ]);

    // Reload the form display.
    $form_display = EntityFormDisplay::load($form_display
      ->id());

    // The display exists.
    $this
      ->assertNotEmpty($form_display);

    // The component is still enabled.
    $this
      ->assertNotNull($form_display
      ->getComponent($field_name));

    // The form display should not depend on 'help' module anymore.
    $this
      ->assertNoDependency('module', 'help', $form_display);

    // Delete the 2nd user role entity.
    $roles[1]
      ->delete();

    // Reload the form display.
    $form_display = EntityFormDisplay::load($form_display
      ->id());

    // The display exists.
    $this
      ->assertNotEmpty($form_display);

    // The component has been disabled.
    $this
      ->assertNull($form_display
      ->getComponent($field_name));
    $this
      ->assertTrue($form_display
      ->get('hidden')[$field_name]);

    // The correct warning message has been logged.
    $arguments = [
      '@display' => 'Entity form display',
      '@id' => $form_display
        ->id(),
      '@name' => $field_name,
    ];
    $variables = Database::getConnection()
      ->select('watchdog', 'w')
      ->fields('w', [
      'variables',
    ])
      ->condition('type', 'system')
      ->condition('message', "@display '@id': Component '@name' was disabled because its settings depend on removed dependencies.")
      ->execute()
      ->fetchField();
    $this
      ->assertEquals($arguments, unserialize($variables));
  }

  /**
   * Asserts that $key is a $type type dependency of $display config entity.
   *
   * @param string $type
   *   The dependency type: 'config', 'content', 'module' or 'theme'.
   * @param string $key
   *   The string to be checked.
   * @param \Drupal\Core\Entity\Display\EntityDisplayInterface $display
   *   The entity display object to get dependencies from.
   *
   * @internal
   */
  protected function assertDependency(string $type, string $key, EntityDisplayInterface $display) : void {
    $this
      ->assertDependencyHelper(TRUE, $type, $key, $display);
  }

  /**
   * Asserts that $key is not a $type type dependency of $display config entity.
   *
   * @param string $type
   *   The dependency type: 'config', 'content', 'module' or 'theme'.
   * @param string $key
   *   The string to be checked.
   * @param \Drupal\Core\Entity\Display\EntityDisplayInterface $display
   *   The entity display object to get dependencies from.
   *
   * @internal
   */
  protected function assertNoDependency(string $type, string $key, EntityDisplayInterface $display) : void {
    $this
      ->assertDependencyHelper(FALSE, $type, $key, $display);
  }

  /**
   * Provides a helper for dependency assertions.
   *
   * @param bool $assertion
   *   Assertion: positive or negative.
   * @param string $type
   *   The dependency type: 'config', 'content', 'module' or 'theme'.
   * @param string $key
   *   The string to be checked.
   * @param \Drupal\Core\Entity\Display\EntityDisplayInterface $display
   *   The entity display object to get dependencies from.
   *
   * @internal
   */
  protected function assertDependencyHelper(bool $assertion, string $type, string $key, EntityDisplayInterface $display) : void {
    $all_dependencies = $display
      ->getDependencies();
    $dependencies = !empty($all_dependencies[$type]) ? $all_dependencies[$type] : [];
    $context = $display instanceof EntityViewDisplayInterface ? 'View' : 'Form';
    $value = $assertion ? in_array($key, $dependencies) : !in_array($key, $dependencies);
    $args = [
      '@context' => $context,
      '@id' => $display
        ->id(),
      '@type' => $type,
      '@key' => $key,
    ];
    $message = $assertion ? new FormattableMarkup("@context display '@id' depends on @type '@key'.", $args) : new FormattableMarkup("@context display '@id' do not depend on @type '@key'.", $args);
    $this
      ->assertTrue($value, $message);
  }

}