function BlockAddTest::testBlockAddThemeSelector

Tests the AJAX for the theme selector.

File

core/modules/block/tests/src/FunctionalJavascript/BlockAddTest.php, line 32

Class

BlockAddTest

Tests the JS functionality in the block add form.

Namespace

Code

public function testBlockAddThemeSelector() : void {
  \Drupal::service('theme_installer')->install([
    'claro',
  ]);
  $this->drupalLogin($this->drupalCreateUser([
    'administer blocks',
  ]));
  $this->drupalGet('admin/structure/block/add/system_powered_by_block');
  $assert_session = $this->assertSession();
  // Pick a theme with a region that does not exist in another theme.
  $assert_session->selectExists('Theme')
    ->selectOption('claro');
  $assert_session->assertWaitOnAjaxRequest();
  $assert_session->selectExists('Region')
    ->selectOption('pre_content');
  // Switch to a theme that doesn't contain the region selected above.
  $assert_session->selectExists('Theme')
    ->selectOption('stark');
  $assert_session->assertWaitOnAjaxRequest();
  $assert_session->pageTextNotContains('The submitted value Pre-content in the Region element is not allowed.');
  $assert_session->optionExists('Region', '- Select -');
}