/**
* Asserts the preview of a media asset field is shown.
*
* @Then /^(?:|I )see the "(?P<field>(?:[^"]|\\")*)" preview$/
*/
public function assertMediaAssetFieldPreview($field)
{
$field = str_replace('\\"', '"', $field);
$label = $this->mink->getSession()->getPage()->find('xpath', '//label[contains(text(), \'' . $field . '\')]');
$current_element = $label;
// Ascend back up to the div with class field-type-media.
do {
$current_element = $current_element->getParent();
} while (!$current_element->hasClass('field-type-media'));
$media_field_div = $current_element;
$preview_thumbnail = NULL;
$remove_button = NULL;
// Try to find the preview thumbnail & remove button (for max. 10 seconds).
$end = microtime(TRUE) + 10;
do {
if (!$preview_thumbnail) {
$preview_thumbnail = $media_field_div->find('css', 'div.preview div.media-thumbnail');
}
if (!$remove_button) {
$remove_button = $media_field_div->findButton('Remove');
}
if (!$preview_thumbnail || !$remove_button) {
usleep(500);
}
} while ((!$preview_thumbnail || !$remove_button) && microtime(TRUE) < $end);
if (!$preview_thumbnail) {
throw new Exception(sprintf('Preview thumbnail for field "%s" not found.', $field));
}
if (!$remove_button) {
throw new Exception(sprintf('Remove button for field "%s" not found.', $field));
}
}
/**
* Gets the cache purge rules overview.
*
* @return Element
* The table body.
*/
protected function getCachePurgeRulesOverview()
{
return $this->mink->getSession()->getPage()->find('css', 'table#frontend-cache-purge-rules > tbody');
}