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 -');
}