--- /dev/null
+<?php
+
+namespace Unish;
+
+/**
+ * @group commands
+ */
+class QueueCase extends CommandUnishTestCase {
+
+ function testQueue() {
+ if (UNISH_DRUPAL_MAJOR_VERSION == 6) {
+ $this->markTestSkipped("Queue API not available in Drupal 6.");
+ }
+
+ if (UNISH_DRUPAL_MAJOR_VERSION == 7) {
+ $expected = 'aggregator_feeds,%items,SystemQueue';
+ }
+ else {
+ $expected = 'aggregator_feeds,%items,Drupal\Core\Queue\DatabaseQueue';
+ }
+
+ $sites = $this->setUpDrupal(1, TRUE);
+ $options = array(
+ 'yes' => NULL,
+ 'root' => $this->webroot(),
+ 'uri' => key($sites),
+ );
+
+ // Enable aggregator since it declares a queue.
+ $this->drush('pm-enable', array('aggregator'), $options);
+
+ $this->drush('queue-list', array(), $options);
+ $output = $this->getOutput();
+ $this->assertContains('aggregator_feeds', $output, 'Queue list shows the declared queue.');
+
+ $this->drush('php-script', array('queue_script-D' . UNISH_DRUPAL_MAJOR_VERSION), $options + array('script-path' => dirname(__FILE__) . '/resources'));
+ $this->drush('queue-list', array(), $options + array('pipe' => TRUE));
+ $output = trim($this->getOutput());
+ $parts = explode(",", $output);
+ $this->assertEquals(str_replace('%items', 1, $expected), $output, 'Item was successfully added to the queue.');
+ $output = $this->getOutput();
+
+ $this->drush('queue-run', array('aggregator_feeds'), $options);
+ $this->drush('queue-list', array(), $options + array('pipe' => TRUE));
+ $output = trim($this->getOutput());
+ $parts = explode(",", $output);
+ $this->assertEquals(str_replace('%items', 0, $expected), $output, 'Queue item processed.');
+ }
+
+ /**
+ * Tests the RequeueException.
+ */
+ public function testRequeueException() {
+ if (UNISH_DRUPAL_MAJOR_VERSION < 8) {
+ $this->markTestSkipped("RequeueException only available in Drupal 8.");
+ }
+
+ $sites = $this->setUpDrupal(1, TRUE);
+ $options = array(
+ 'yes' => NULL,
+ 'root' => $this->webroot(),
+ 'uri' => key($sites),
+ );
+
+ // Copy the 'woot' module over to the Drupal site we just set up.
+ $this->setupModulesForTests($this->webroot());
+
+ // Enable woot module, which contains a queue worker that throws a
+ // RequeueException.
+ $this->drush('pm-enable', array('woot'), $options, NULL, NULL, self::EXIT_SUCCESS);
+
+ // Add an item to the queue.
+ $this->drush('php-script', array('requeue_script'), $options + array('script-path' => dirname(__FILE__) . '/resources'));
+
+ // Check that the queue exists and it has one item in it.
+ $expected = 'woot_requeue_exception,%items,Drupal\Core\Queue\DatabaseQueue';
+ $this->drush('queue-list', array(), $options + array('pipe' => TRUE));
+ $output = trim($this->getOutput());
+ $this->assertEquals(str_replace('%items', 1, $expected), $output, 'Item was successfully added to the queue.');
+
+ // Process the queue.
+ $this->drush('queue-run', array('woot_requeue_exception'), $options);
+
+ // Check that the item was processed after being requeued once.
+ // Here is the detailed workflow of what the above command did.
+ // 1. Drush calls drush queue-run woot_requeue_exception.
+ // 2. Drush claims the item. The worker sets a state variable (see below)
+ // and throws the RequeueException.
+ // 3. Drush catches the exception and puts it back in the queue.
+ // 4. Drush claims the next item, which is the one that we just requeued.
+ // 5. The worker finds the state variable, so it does not throw the
+ // RequeueException this time (see below).
+ // 6. Drush removes the item from the queue.
+ // 7. Command finishes. The queue is empty.
+ $this->drush('queue-list', array(), $options + array('pipe' => TRUE));
+ $output = trim($this->getOutput());
+ $this->assertEquals(str_replace('%items', 0, $expected), $output, 'Queue item processed after being requeued.');
+ }
+
+ /**
+ * Copies the woot module into Drupal.
+ *
+ * @param string $root
+ * The path to the root directory of Drupal.
+ */
+ public function setupModulesForTests($root) {
+ $wootModule = __DIR__ . '/resources/modules/d' . UNISH_DRUPAL_MAJOR_VERSION . '/woot';
+ $modulesDir = "$root/sites/all/modules";
+ $this->mkdir($modulesDir);
+ \symlink($wootModule, "$modulesDir/woot");
+ }
+
+}