class QueueExampleTest

class QueueExampleTest extends BrowserTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'queue_example',
  ];
  
  /**
   * The installation profile to use with this test.
   *
   * We need the 'minimal' profile in order to make sure the Tool block is
   * available.
   *
   * @var string
   */
  protected $profile = 'minimal';
  
  /**
   * Exercise the queue manipulation form.
   */
  public function testQueueExampleBasic() {
    $this->drupalGet('examples/queue_example');
    // Load the queue with 5 items.
    for ($i = 1; $i <= 5; $i++) {
      $edit = [
        'queue_name' => 'queue_example_first_queue',
        'string_to_add' => 'boogie' . $i,
      ];
      $this->submitForm($edit, 'Insert into queue');
      $this->assertSession()
        ->pageTextContains((string) new FormattableMarkup('There are now @number items in the queue', [
        '@number' => $i,
      ]));
    }
    // Claim each of the 5 items with a claim time of 0 seconds.
    for ($i = 1; $i <= 5; $i++) {
      $edit = [
        'queue_name' => 'queue_example_first_queue',
        'claim_time' => 0,
      ];
      $this->submitForm($edit, 'Claim the next item from the queue');
      $this->assertSession()
        ->responseMatches((string) new FormattableMarkup('%Claimed item id=.*string=@string for 0 seconds.%', [
        '@string' => 'boogie' . $i,
      ]));
    }
    $edit = [
      'queue_name' => 'queue_example_first_queue',
      'claim_time' => 0,
    ];
    $this->submitForm($edit, 'Claim the next item from the queue');
    $this->assertSession()
      ->pageTextContains('There were no items in the queue available to claim');
    // Sleep a second, so we can make sure that the timeouts actually time out.
    // Local systems work fine with this but apparently the test server is so
    // fast that it needs a sleep before the cron run.
    sleep(1);
    // Run cron to release expired items.
    $this->submitForm([], 'Run cron manually to expire claims');
    // Claim and delete each of the 5 items which should now be available.
    for ($i = 1; $i <= 5; $i++) {
      $edit = [
        'queue_name' => 'queue_example_first_queue',
        'claim_time' => 0,
      ];
      $this->submitForm($edit, 'Claim the next item and delete it');
      $this->assertSession()
        ->responseMatches((string) new FormattableMarkup('%Claimed and deleted item id=.*string=@string for 0 seconds.%', [
        '@string' => 'boogie' . $i,
      ]));
    }
    // Verify that nothing is left to claim.
    $edit = [
      'queue_name' => 'queue_example_first_queue',
      'claim_time' => 0,
    ];
    $this->submitForm($edit, 'Claim the next item from the queue');
    $this->assertSession()
      ->pageTextContains('There were no items in the queue available to claim');
  }

}