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<?php
namespace Drupal\Tests\ckeditor\FunctionalJavascript;
use Drupal\editor\Entity\Editor;
use Drupal\filter\Entity\FilterFormat;
use Drupal\FunctionalJavascriptTests\WebDriverTestBase;
/**
* Tests delivery of CSS to CKEditor via AJAX.
*
* @group ckeditor
*/
class AjaxCssTest extends WebDriverTestBase {
/**
* {@inheritdoc}
*/
public static $modules = ['ckeditor', 'ckeditor_test'];
/**
* {@inheritdoc}
*/
protected function setUp() {
parent::setUp();
FilterFormat::create([
'format' => 'test_format',
'name' => $this->randomMachineName(),
])->save();
Editor::create([
'editor' => 'ckeditor',
'format' => 'test_format',
])->save();
user_role_grant_permissions('anonymous', ['use text format test_format']);
}
/**
* Tests adding style sheets dynamically to CKEditor.
*/
public function testCkeditorAjaxAddCss() {
$this->drupalGet('/ckeditor_test/ajax_css');
$session = $this->getSession();
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$page = $session->getPage();
$this->waitOnCkeditorInstance('edit-iframe-value');
$this->waitOnCkeditorInstance('edit-inline');
$style_color = 'rgb(255, 0, 0)';
// Add the inline CSS and assert that the style is applied to the main body,
// but not the iframe.
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$page->pressButton('Add CSS to inline CKEditor instance');
$result = $page->waitFor(10, function () use ($style_color) {
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return ($this->getEditorStyle('edit-inline', 'color') == $style_color)
&& ($this->getEditorStyle('edit-iframe-value', 'color') != $style_color);
});
$this->assertTrue($result);
$session->reload();
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$this->waitOnCkeditorInstance('edit-iframe-value');
$this->waitOnCkeditorInstance('edit-inline');
// Add the iframe CSS and assert that the style is applied to the iframe,
// but not the main body.
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$page->pressButton('Add CSS to iframe CKEditor instance');
$result = $page->waitFor(10, function () use ($style_color) {
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return ($this->getEditorStyle('edit-inline', 'color') != $style_color)
&& ($this->getEditorStyle('edit-iframe-value', 'color') == $style_color);
});
$this->assertTrue($result);
}
/**
* Gets a computed style value for a CKEditor instance.
*
* @param string $instance_id
* The CKEditor instance ID.
* @param string $attribute
* The style attribute.
*
* @return string
* The computed style value.
*/
protected function getEditorStyle($instance_id, $attribute) {
$js = sprintf(
'CKEDITOR.instances["%s"].document.getBody().getComputedStyle("%s")',
$instance_id,
$attribute
);
return $this->getSession()->evaluateScript($js);
}
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/**
* Wait for a CKEditor instance to finish loading and initializing.
*
* @param string $instance_id
* The CKEditor instance ID.
* @param int $timeout
* (optional) Timeout in milliseconds, defaults to 10000.
*/
protected function waitOnCkeditorInstance($instance_id, $timeout = 10000) {
$condition = <<<JS
(function() {
return (
typeof CKEDITOR !== 'undefined'
&& typeof CKEDITOR.instances["$instance_id"] !== 'undefined'
&& CKEDITOR.instances["$instance_id"].instanceReady
);
}());
JS;
$this->getSession()->wait($timeout, $condition);
}