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<?php
/**
* @file
* Contains \Drupal\system\Tests\Menu\AssertMenuActiveTrailTrait.
*/
namespace Drupal\system\Tests\Menu;
use Drupal\Core\Url;
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/**
* Provides test assertions for verifying the active menu trail.
*/
trait AssertMenuActiveTrailTrait {
/**
* Assert that active trail exists in a menu tree output.
*
* @param array $tree
* An associative array whose keys are link paths and whose
* values are link titles (not sanitized) of an expected active trail in a
* menu tree output on the page.
* @param bool $last_active
* Whether the last link in $tree is expected to be active (TRUE)
* or just to be in the active trail (FALSE).
*/
protected function assertMenuActiveTrail($tree, $last_active) {
end($tree);
$active_link_path = key($tree);
$active_link_title = array_pop($tree);
$xpath = '';
if ($tree) {
$i = 0;
foreach ($tree as $link_path => $link_title) {
$part_xpath = (!$i ? '//' : '/following-sibling::ul/descendant::');
$part_xpath .= 'li[contains(@class, :class)]/a[contains(@href, :href) and contains(text(), :title)]';
$part_args = array(
':class' => 'menu-item--active-trail',
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':href' => Url::fromUri('base:' . $link_path)->toString(),
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':title' => $link_title,
);
$xpath .= $this->buildXPathQuery($part_xpath, $part_args);
$i++;
}
$elements = $this->xpath($xpath);
$this->assertTrue(!empty($elements), 'Active trail to current page was found in menu tree.');
// Append prefix for active link asserted below.
$xpath .= '/following-sibling::ul/descendant::';
}
else {
$xpath .= '//';
}
$xpath_last_active = ($last_active ? 'and contains(@class, :class-active)' : '');
$xpath .= 'li[contains(@class, :class-trail)]/a[contains(@href, :href) ' . $xpath_last_active . 'and contains(text(), :title)]';
$args = array(
':class-trail' => 'menu-item--active-trail',
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':class-active' => 'active',
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':href' => Url::fromUri('base:' . $active_link_path)->toString(),
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':title' => $active_link_title,
);
$elements = $this->xpath($xpath, $args);
$this->assertTrue(!empty($elements), format_string('Active link %title was found in menu tree, including active trail links %tree.', array(
'%title' => $active_link_title,
'%tree' => implode(' » ', $tree),
)));
}
}