public function LayoutBuilderTest::testBlockPlaceholder in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/layout_builder/tests/src/Functional/LayoutBuilderTest.php \Drupal\Tests\layout_builder\Functional\LayoutBuilderTest::testBlockPlaceholder()
2. 10 core/modules/layout_builder/tests/src/Functional/LayoutBuilderTest.php \Drupal\Tests\layout_builder\Functional\LayoutBuilderTest::testBlockPlaceholder()

Tests the usage of placeholders for empty blocks.

See also

\Drupal\Core\Block\BlockPluginInterface::getPlaceholderString()

\Drupal\layout_builder\EventSubscriber\BlockComponentRenderArray::onBuildRender()

File

core/modules/layout_builder/tests/src/Functional/LayoutBuilderTest.php, line 1043

Class

LayoutBuilderTest

Tests the Layout Builder UI.

Namespace

Drupal\Tests\layout_builder\Functional

Code

public function testBlockPlaceholder() {
  $assert_session = $this
    ->assertSession();
  $page = $this
    ->getSession()
    ->getPage();
  $this
    ->drupalLogin($this
    ->drupalCreateUser([
    'configure any layout',
    'administer node display',
  ]));
  $field_ui_prefix = 'admin/structure/types/manage/bundle_with_section_field';
  $this
    ->drupalPostForm("{$field_ui_prefix}/display/default", [
    'layout[enabled]' => TRUE,
  ], 'Save');

  // Customize the default view mode.
  $this
    ->drupalGet("{$field_ui_prefix}/display/default/layout");

  // Add a block whose content is controlled by state and is empty by default.
  $this
    ->clickLink('Add block');
  $this
    ->clickLink('Test block caching');
  $page
    ->fillField('settings[label]', 'The block label');
  $page
    ->pressButton('Add block');
  $block_content = 'I am content';
  $placeholder_content = 'Placeholder for the "The block label" block';

  // The block placeholder is displayed and there is no content.
  $assert_session
    ->pageTextContains($placeholder_content);
  $assert_session
    ->pageTextNotContains($block_content);

  // Set block content and reload the page.
  \Drupal::state()
    ->set('block_test.content', $block_content);
  $this
    ->getSession()
    ->reload();

  // The block placeholder is no longer displayed and the content is visible.
  $assert_session
    ->pageTextNotContains($placeholder_content);
  $assert_session
    ->pageTextContains($block_content);
}