function LayoutBuilderBlocksTest::testBlockPlaceholder
Same name in other branches
- 11.x core/modules/layout_builder/tests/src/Functional/LayoutBuilderBlocksTest.php \Drupal\Tests\layout_builder\Functional\LayoutBuilderBlocksTest::testBlockPlaceholder()
Tests the usage of placeholders for empty blocks.
See also
\Drupal\Core\Render\PreviewFallbackInterface::getPreviewFallbackString()
\Drupal\layout_builder\EventSubscriber\BlockComponentRenderArray::onBuildRender()
File
-
core/
modules/ layout_builder/ tests/ src/ Functional/ LayoutBuilderBlocksTest.php, line 186
Class
- LayoutBuilderBlocksTest
- Tests the Layout Builder UI with blocks.
Namespace
Drupal\Tests\layout_builder\FunctionalCode
public function testBlockPlaceholder() : void {
$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';
$this->drupalGet("{$field_ui_prefix}/display/default");
$this->submitForm([
'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);
}
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.