/**
* Tests the mapping of fields.
*
* @param \Drupal\views\ViewExecutable $view
* The view to test.
*
* @return string
* The view rendered as HTML.
*/
protected function mappedOutputHelper($view)
{
$output = $view->preview();
$rendered_output = \Drupal::service('renderer')->renderRoot($output);
$this->storeViewPreview($rendered_output);
$rows = $this->elements->body->div->div->div;
$data_set = $this->dataSet();
$count = 0;
foreach ($rows as $row) {
$attributes = $row->attributes();
$class = (string) $attributes['class'][0];
$this->assertTrue(strpos($class, 'views-row-mapping-test') !== FALSE, 'Make sure that each row has the correct CSS class.');
foreach ($row->div as $field) {
// Split up the field-level class, the first part is the mapping name
// and the second is the field ID.
$field_attributes = $field->attributes();
$name = strtok((string) $field_attributes['class'][0], '-');
$field_id = strtok('-');
// The expected result is the mapping name and the field value,
// separated by ':'.
$expected_result = $name . ':' . $data_set[$count][$field_id];
$actual_result = (string) $field;
$this->assertIdentical($expected_result, $actual_result, format_string('The fields were mapped successfully: %name => %field_id', array('%name' => $name, '%field_id' => $field_id)));
}
$count++;
}
return $rendered_output;
}
/**
* Asserts a view's result & output cache items' cache tags.
*
* @param \Drupal\views\ViewExecutable $view
* The view to test, must have caching enabled.
* @param null|string[] $expected_results_cache
* NULL when expecting no results cache item, a set of cache tags expected
* to be set on the results cache item otherwise.
* @param bool $views_caching_is_enabled
* Whether to expect an output cache item. If TRUE, the cache tags must
* match those in $expected_render_array_cache_tags.
* @param string[] $expected_render_array_cache_tags
* A set of cache tags expected to be set on the built view's render array.
*
* @return array
* The render array
*/
protected function assertViewsCacheTags(ViewExecutable $view, $expected_results_cache, $views_caching_is_enabled, array $expected_render_array_cache_tags)
{
$build = $view->preview();
// Ensure the current request is a GET request so that render caching is
// active for direct rendering of views, just like for actual requests.
/** @var \Symfony\Component\HttpFoundation\RequestStack $request_stack */
$request_stack = \Drupal::service('request_stack');
$request_stack->push(new Request());
\Drupal::service('renderer')->renderRoot($build);
$request_stack->pop();
// Render array cache tags.
$this->pass('Checking render array cache tags.');
sort($expected_render_array_cache_tags);
$this->assertEqual($build['#cache']['tags'], $expected_render_array_cache_tags);
if ($views_caching_is_enabled) {
$this->pass('Checking Views results cache item cache tags.');
/** @var \Drupal\views\Plugin\views\cache\CachePluginBase $cache_plugin */
$cache_plugin = $view->display_handler->getPlugin('cache');
// Results cache.
$results_cache_item = \Drupal::cache('data')->get($cache_plugin->generateResultsKey());
if (is_array($expected_results_cache)) {
$this->assertTrue($results_cache_item, 'Results cache item found.');
if ($results_cache_item) {
sort($expected_results_cache);
$this->assertEqual($results_cache_item->tags, $expected_results_cache);
}
} else {
$this->assertFalse($results_cache_item, 'Results cache item not found.');
}
// Output cache.
$this->pass('Checking Views output cache item cache tags.');
$output_cache_item = \Drupal::cache('render')->get($cache_plugin->generateOutputKey());
if ($views_caching_is_enabled === TRUE) {
$this->assertTrue($output_cache_item, 'Output cache item found.');
if ($output_cache_item) {
$this->assertEqual($output_cache_item->tags, Cache::mergeTags($expected_render_array_cache_tags, ['rendered']));
}
} else {
$this->assertFalse($output_cache_item, 'Output cache item not found.');
}
}
$view->destroy();
return $build;
}
public function renderPreview($display_id, $args = array())
{
// Save the current path so it can be restored before returning from this function.
$old_q = current_path();
// Determine where the query and performance statistics should be output.
$config = \Drupal::config('views.settings');
$show_query = $config->get('ui.show.sql_query.enabled');
$show_info = $config->get('ui.show.preview_information');
$show_location = $config->get('ui.show.sql_query.where');
$show_stats = $config->get('ui.show.performance_statistics');
if ($show_stats) {
$show_stats = $config->get('ui.show.sql_query.where');
}
$combined = $show_query && $show_stats;
$rows = array('query' => array(), 'statistics' => array());
$output = '';
$errors = $this->executable->validate();
$this->executable->destroy();
if (empty($errors)) {
$this->ajax = TRUE;
$this->executable->live_preview = TRUE;
// AJAX happens via HTTP POST but everything expects exposed data to
// be in GET. Copy stuff but remove ajax-framework specific keys.
// If we're clicking on links in a preview, though, we could actually
// have some input in the query parameters, so we merge request() and
// query() to ensure we get it all.
$exposed_input = array_merge(\Drupal::request()->request->all(), \Drupal::request()->query->all());
foreach (array('view_name', 'view_display_id', 'view_args', 'view_path', 'view_dom_id', 'pager_element', 'view_base_path', 'ajax_html_ids', 'ajax_page_state', 'form_id', 'form_build_id', 'form_token') as $key) {
if (isset($exposed_input[$key])) {
unset($exposed_input[$key]);
}
}
$this->executable->setExposedInput($exposed_input);
if (!$this->executable->setDisplay($display_id)) {
return t('Invalid display id @display', array('@display' => $display_id));
}
$this->executable->setArguments($args);
// Store the current view URL for later use:
if ($this->executable->display_handler->getOption('path')) {
$path = $this->executable->getUrl();
}
// Make view links come back to preview.
$this->override_path = 'admin/structure/views/view/' . $this->id() . '/preview/' . $display_id;
// Also override the current path so we get the pager.
$original_path = current_path();
$q = _current_path($this->override_path);
if ($args) {
$q .= '/' . implode('/', $args);
_current_path($q);
}
// Suppress contextual links of entities within the result set during a
// Preview.
// @todo We'll want to add contextual links specific to editing the View, so
// the suppression may need to be moved deeper into the Preview pipeline.
views_ui_contextual_links_suppress_push();
$show_additional_queries = $config->get('ui.show.additional_queries');
Timer::start('entity.view.preview_form');
if ($show_additional_queries) {
$this->startQueryCapture();
}
// Execute/get the view preview.
$preview = $this->executable->preview($display_id, $args);
$preview = drupal_render($preview);
if ($show_additional_queries) {
$this->endQueryCapture();
}
$this->render_time = Timer::stop('entity.view.preview_form');
views_ui_contextual_links_suppress_pop();
// Reset variables.
unset($this->override_path);
_current_path($original_path);
// Prepare the query information and statistics to show either above or
// below the view preview.
if ($show_info || $show_query || $show_stats) {
// Get information from the preview for display.
if (!empty($this->executable->build_info['query'])) {
if ($show_query) {
$query_string = $this->executable->build_info['query'];
// Only the sql default class has a method getArguments.
$quoted = array();
if ($this->executable->query instanceof Sql) {
$quoted = $query_string->getArguments();
$connection = Database::getConnection();
foreach ($quoted as $key => $val) {
if (is_array($val)) {
$quoted[$key] = implode(', ', array_map(array($connection, 'quote'), $val));
} else {
$quoted[$key] = $connection->quote($val);
}
}
}
$rows['query'][] = array(array('data' => array('#type' => 'inline_template', '#template' => "<strong>{% trans 'Query' %}</strong>")), array('data' => array('#type' => 'inline_template', '#template' => '<pre>{{ query }}</pre>', '#context' => array('query' => strtr($query_string, $quoted)))));
if (!empty($this->additionalQueries)) {
$queries = '<strong>' . t('These queries were run during view rendering:') . '</strong>';
foreach ($this->additionalQueries as $query) {
if ($queries) {
$queries .= "\n";
}
$query_string = strtr($query['query'], $query['args']);
$queries .= t('[@time ms] @query', array('@time' => round($query['time'] * 100000, 1) / 100000.0, '@query' => $query_string));
}
$rows['query'][] = array(array('data' => array('#type' => 'inline_template', '#template' => "<strong>{% trans 'Other queries' %}</strong>")), SafeMarkup::set('<pre>' . $queries . '</pre>'));
}
}
if ($show_info) {
$rows['query'][] = array(array('data' => array('#type' => 'inline_template', '#template' => "<strong>{% trans 'Title' %}</strong>")), Xss::filterAdmin($this->executable->getTitle()));
if (isset($path)) {
$path = _l($path, $path);
} else {
$path = t('This display has no path.');
}
$rows['query'][] = array(SafeMarkup::set('<strong>' . t('Path') . '</strong>'), $path);
}
if ($show_stats) {
$rows['statistics'][] = array('<strong>' . t('Query build time') . '</strong>', t('@time ms', array('@time' => intval($this->executable->build_time * 100000) / 100)));
$rows['statistics'][] = array('<strong>' . t('Query execute time') . '</strong>', t('@time ms', array('@time' => intval($this->executable->execute_time * 100000) / 100)));
$rows['statistics'][] = array('<strong>' . t('View render time') . '</strong>', t('@time ms', array('@time' => intval($this->executable->render_time * 100000) / 100)));
}
\Drupal::moduleHandler()->alter('views_preview_info', $rows, $this->executable);
} else {
// No query was run. Display that information in place of either the
// query or the performance statistics, whichever comes first.
if ($combined || $show_location === 'above') {
$rows['query'] = array(array(SafeMarkup::set('<strong>' . t('Query') . '</strong>'), t('No query was run')));
} else {
$rows['statistics'] = array(array(SafeMarkup::set('<strong>' . t('Query') . '</strong>'), t('No query was run')));
}
}
}
} else {
foreach ($errors as $display_errors) {
foreach ($display_errors as $error) {
drupal_set_message($error, 'error');
}
}
$preview = t('Unable to preview due to validation errors.');
}
// Assemble the preview, the query info, and the query statistics in the
// requested order.
$table = array('#type' => 'table', '#prefix' => '<div class="views-query-info">', '#suffix' => '</div>');
if ($show_location === 'above' || $show_location === 'below') {
if ($combined) {
$table['#rows'] = array_merge($rows['query'], $rows['statistics']);
} else {
$table['#rows'] = $rows['query'];
}
} elseif ($show_stats === 'above' || $show_stats === 'below') {
$table['#rows'] = $rows['statistics'];
}
if ($show_location === 'above' || $show_stats === 'above') {
$output .= drupal_render($table) . $preview;
} elseif ($show_location === 'below' || $show_stats === 'below') {
$output .= $preview . drupal_render($table);
}
_current_path($old_q);
return $output;
}
