function JavascriptGetDrupalSettingsTest::testGetDrupalSettings

Tests retrieval of Drupal settings.

See also

\Drupal\FunctionalJavascriptTests\WebDriverTestBase::getDrupalSettings()

File

core/tests/Drupal/FunctionalJavascriptTests/JavascriptGetDrupalSettingsTest.php, line 29

Class

JavascriptGetDrupalSettingsTest

Tests Drupal settings retrieval in WebDriverTestBase tests.

Namespace

Code

public function testGetDrupalSettings() : void {
    $this->drupalLogin($this->drupalCreateUser());
    $this->drupalGet('test-page');
    // Check that we can read the JS settings.
    $js_settings = $this->getDrupalSettings();
    $this->assertSame('azAZ09();.,\\\\/-_{}', $js_settings['test-setting']);
    // Dynamically change the setting using JavaScript.
    $script = <<<EndOfScript
(function () {
  drupalSettings['test-setting'] = 'foo';
})();
EndOfScript;
    $this->getSession()
        ->evaluateScript($script);
    // Check that the setting has been changed.
    $js_settings = $this->getDrupalSettings();
    $this->assertSame('foo', $js_settings['test-setting']);
}