class AreaEntityUITest

class AreaEntityUITest extends UITestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'entity_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  public function testUI() {
    // Set up a block and an entity_test entity.
    $block = Block::create([
      'id' => 'test_id',
      'plugin' => 'system_main_block',
    ]);
    $block->save();
    $entity_test = EntityTest::create([
      'bundle' => 'entity_test',
    ]);
    $entity_test->save();
    $default = $this->randomView([]);
    $id = $default['id'];
    $view = View::load($id);
    $this->drupalGet($view->toUrl('edit-form'));
    // Add a global NULL argument to the view for testing argument placeholders.
    $this->drupalGet("admin/structure/views/nojs/add-handler/{$id}/page_1/argument");
    $this->submitForm([
      'name[views.null]' => TRUE,
    ], 'Add and configure contextual filters');
    $this->submitForm([], 'Apply');
    // Configure both the entity_test area header and the block header to
    // reference the given entities.
    $this->drupalGet("admin/structure/views/nojs/add-handler/{$id}/page_1/header");
    $this->submitForm([
      'name[views.entity_block]' => TRUE,
    ], 'Add and configure header');
    $this->submitForm([
      'options[target]' => $block->id(),
    ], 'Apply');
    $this->drupalGet("admin/structure/views/nojs/add-handler/{$id}/page_1/header");
    $this->submitForm([
      'name[views.entity_entity_test]' => TRUE,
    ], 'Add and configure header');
    $this->submitForm([
      'options[target]' => $entity_test->id(),
    ], 'Apply');
    $this->submitForm([], 'Save');
    // Confirm the correct target identifiers were saved for both entities.
    $view = View::load($id);
    $header = $view->getDisplay('default')['display_options']['header'];
    $this->assertEquals([
      'entity_block',
      'entity_entity_test',
    ], array_keys($header));
    $this->assertEquals($block->id(), $header['entity_block']['target']);
    $this->assertEquals($entity_test->uuid(), $header['entity_entity_test']['target']);
    // Confirm that the correct serial ID (for the entity_test) and config ID
    // (for the block) are displayed in the form.
    $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_block");
    $this->assertSession()
      ->fieldValueEquals('options[target]', $block->id());
    $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_entity_test");
    $this->assertSession()
      ->fieldValueEquals('options[target]', $entity_test->id());
    // Replace the header target entities with argument placeholders.
    $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_block");
    $this->submitForm([
      'options[target]' => '{{ raw_arguments.null }}',
    ], 'Apply');
    $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_entity_test");
    $this->submitForm([
      'options[target]' => '{{ raw_arguments.null }}',
    ], 'Apply');
    $this->submitForm([], 'Save');
    // Confirm that the argument placeholders are saved.
    $view = View::load($id);
    $header = $view->getDisplay('default')['display_options']['header'];
    $this->assertEquals([
      'entity_block',
      'entity_entity_test',
    ], array_keys($header));
    $this->assertEquals('{{ raw_arguments.null }}', $header['entity_block']['target']);
    $this->assertEquals('{{ raw_arguments.null }}', $header['entity_entity_test']['target']);
    // Confirm that the argument placeholders are still displayed in the form.
    $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_block");
    $this->assertSession()
      ->fieldValueEquals('options[target]', '{{ raw_arguments.null }}');
    $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_entity_test");
    $this->assertSession()
      ->fieldValueEquals('options[target]', '{{ raw_arguments.null }}');
    // Change the targets for both headers back to the entities.
    $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_block");
    $this->submitForm([
      'options[target]' => $block->id(),
    ], 'Apply');
    $this->drupalGet("admin/structure/views/nojs/handler/{$id}/page_1/header/entity_entity_test");
    $this->submitForm([
      'options[target]' => $entity_test->id(),
    ], 'Apply');
    $this->submitForm([], 'Save');
    // Confirm the targets were again saved correctly and not skipped based on
    // the previous form value.
    $view = View::load($id);
    $header = $view->getDisplay('default')['display_options']['header'];
    $this->assertEquals([
      'entity_block',
      'entity_entity_test',
    ], array_keys($header));
    $this->assertEquals($block->id(), $header['entity_block']['target']);
    $this->assertEquals($entity_test->uuid(), $header['entity_entity_test']['target']);
  }

}