SimplenewsSendTest.php in Simplenews 8.2

Namespace

Drupal\Tests\simplenews\Functional

File

tests/src/Functional/SimplenewsSendTest.php

<?php

namespace Drupal\Tests\simplenews\Functional;

use Drupal\node\Entity\Node;
use Drupal\user\Entity\User;
use Drupal\Core\Messenger\MessengerInterface;
use Drupal\simplenews\Spool\SpoolStorageInterface;

/**
 * Test cases for creating and sending newsletters.
 *
 * @group simplenews
 */
class SimplenewsSendTest extends SimplenewsTestBase {

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    $admin_user = $this
      ->drupalCreateUser([
      'administer newsletters',
      'send newsletter',
      'administer nodes',
      'administer simplenews subscriptions',
      'create simplenews_issue content',
      'edit any simplenews_issue content',
      'view own unpublished content',
      'delete any simplenews_issue content',
    ]);
    $this
      ->drupalLogin($admin_user);

    // Subscribe a few users.
    $this
      ->setUpSubscribers(5);
  }

  /**
   * Creates and sends a node using the API.
   */
  public function testProgrammaticNewsletter() {

    // Create a very basic node.
    $node = Node::create([
      'type' => 'simplenews_issue',
      'title' => $this
        ->randomString(10),
      'uid' => 0,
      'status' => 1,
    ]);
    $node->simplenews_issue->target_id = $this
      ->getRandomNewsletter();
    $node->simplenews_issue->handler = 'simplenews_all';
    $node
      ->save();

    // Send the node.
    \Drupal::service('simplenews.spool_storage')
      ->addIssue($node);

    // Send mails.
    \Drupal::service('simplenews.mailer')
      ->sendSpool();
    \Drupal::service('simplenews.spool_storage')
      ->clear();

    // Update sent status for newsletter admin panel.
    \Drupal::service('simplenews.mailer')
      ->updateSendStatus();

    // Verify mails.
    $mails = $this
      ->getMails();
    $this
      ->assertEqual(5, count($mails), t('All mails were sent.'));
    foreach ($mails as $mail) {
      $this
        ->assertEqual($mail['subject'], '[Default newsletter] ' . $node
        ->getTitle(), t('Mail has correct subject'));
      $this
        ->assertTrue(isset($this->subscribers[$mail['to']]), t('Found valid recipient'));
      unset($this->subscribers[$mail['to']]);
    }
    $this
      ->assertEqual(0, count($this->subscribers), t('all subscribers have been received a mail'));

    // Create another node.
    $node = Node::create([
      'type' => 'simplenews_issue',
      'title' => $this
        ->randomString(10),
      'uid' => 0,
      'status' => 1,
    ]);
    $node->simplenews_issue->target_id = $this
      ->getRandomNewsletter();
    $node->simplenews_issue->handler = 'simplenews_all';
    $node
      ->save();

    // Send the node.
    \Drupal::service('simplenews.spool_storage')
      ->addIssue($node);

    // Make sure that they have been added.
    $this
      ->assertEqual(\Drupal::service('simplenews.spool_storage')
      ->countMails(), 5);

    // Mark them as 'in progress', fake a currently running send process.
    $this
      ->assertEqual(count(\Drupal::service('simplenews.spool_storage')
      ->getMails(2)), 2);

    // Those two should be excluded if we get mails a second time.
    $this
      ->assertEqual(count(\Drupal::service('simplenews.spool_storage')
      ->getMails()), 3);

    // The count should still include all the mails because they are still
    // in the spool.  This is needed for correct operation of code such as
    // Mailer::updateSendStatus().
    $this
      ->assertEqual(\Drupal::service('simplenews.spool_storage')
      ->countMails(), 5);
  }

  /**
   * Send a newsletter without cron.
   */
  public function testSendNowNoCron() {

    // Disable cron.
    $config = $this
      ->config('simplenews.settings');
    $config
      ->set('mail.use_cron', FALSE);
    $config
      ->save();

    // Verify that the newsletter settings are shown.
    $this
      ->drupalGet('node/add/simplenews_issue');
    $this
      ->assertText(t('Create Newsletter Issue'));
    $edit = [
      'title[0][value]' => $this
        ->randomString(10),
      'simplenews_issue[target_id]' => 'default',
    ];
    $this
      ->drupalPostForm(NULL, $edit, 'Save');
    $this
      ->assertEqual(1, preg_match('|node/(\\d+)$|', $this
      ->getUrl(), $matches), 'Node created');
    $node = Node::load($matches[1]);
    $this
      ->clickLink(t('Newsletter'));
    $this
      ->assertText(t('Send'));
    $this
      ->assertText(t('Test'));
    $this
      ->assertNoText(t('Send newsletter when published'));

    // Verify state.
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_NOT, $node->simplenews_issue->status, t('Newsletter not sent yet.'));

    // Send now.
    $this
      ->drupalPostForm(NULL, [], t('Send now'));

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_READY, $node->simplenews_issue->status, t('Newsletter sending finished'));

    // Verify mails.
    $mails = $this
      ->getMails();
    $this
      ->assertEqual(5, count($mails), t('All mails were sent.'));
    foreach ($mails as $mail) {
      $this
        ->assertEqual($mail['subject'], '[Default newsletter] ' . $edit['title[0][value]'], t('Mail has correct subject'));
      $this
        ->assertTrue(isset($this->subscribers[$mail['to']]), t('Found valid recipient'));
      unset($this->subscribers[$mail['to']]);
    }
    $this
      ->assertEqual(0, count($this->subscribers), t('all subscribers have been received a mail'));
    $this
      ->assertEqual(5, $node->simplenews_issue->sent_count, 'subscriber count is correct');
  }

  /**
   * Send multiple newsletters without cron.
   */
  public function testSendMultipleNoCron() {

    // Disable cron.
    $config = $this
      ->config('simplenews.settings');
    $config
      ->set('mail.use_cron', FALSE);
    $config
      ->save();

    // Verify that the newsletter settings are shown.
    $nodes = [];
    for ($i = 0; $i < 3; $i++) {
      $this
        ->drupalGet('node/add/simplenews_issue');
      $this
        ->assertText(t('Create Newsletter Issue'));
      $edit = [
        'title[0][value]' => $this
          ->randomString(10),
        'simplenews_issue[target_id]' => 'default',
        // The last newsletter shouldn't be published.
        'status[value]' => $i != 2,
      ];
      $this
        ->drupalPostForm(NULL, $edit, 'Save');
      $this
        ->assertEqual(1, preg_match('|node/(\\d+)$|', $this
        ->getUrl(), $matches), 'Node created');
      $nodes[] = Node::load($matches[1]);

      // Verify state.
      $node = current($nodes);
      $this
        ->assertEqual(SIMPLENEWS_STATUS_SEND_NOT, $node->simplenews_issue->status, t('Newsletter not sent yet.'));
    }
  }

  /**
   * Send a newsletter using cron and a low throttle.
   */
  public function testSendNowCronThrottle() {
    $config = $this
      ->config('simplenews.settings');
    $config
      ->set('mail.throttle', 3);
    $config
      ->save();

    // Verify that the newsletter settings are shown.
    $this
      ->drupalGet('node/add/simplenews_issue');
    $this
      ->assertText(t('Create Newsletter Issue'));
    $edit = [
      'title[0][value]' => $this
        ->randomString(10),
      'simplenews_issue[target_id]' => 'default',
    ];
    $this
      ->drupalPostForm(NULL, $edit, 'Save');
    $this
      ->assertEqual(1, preg_match('|node/(\\d+)$|', $this
      ->getUrl(), $matches), 'Node created');
    $node = Node::load($matches[1]);
    $this
      ->clickLink(t('Newsletter'));
    $this
      ->assertText(t('Send'));
    $this
      ->assertText(t('Test'));

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_NOT, $node->simplenews_issue->status, t('Newsletter not sent yet.'));

    // Send now.
    $this
      ->drupalPostForm(NULL, [], t('Send now'));

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_PENDING, $node->simplenews_issue->status, t('Newsletter sending pending.'));

    // Verify that no mails have been sent yet.
    $mails = $this
      ->getMails();
    $this
      ->assertEqual(0, count($mails), t('No mails were sent yet.'));
    $spooled = \Drupal::database()
      ->query('SELECT COUNT(*) FROM {simplenews_mail_spool} WHERE entity_id = :nid AND entity_type = :type', [
      ':nid' => $node
        ->id(),
      ':type' => 'node',
    ])
      ->fetchField();
    $this
      ->assertEqual(5, $spooled, t('5 mails have been added to the mail spool'));

    // Run cron for the first time.
    simplenews_cron();

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_PENDING, $node->simplenews_issue->status, t('Newsletter sending pending.'));
    $this
      ->assertEqual(3, $node->simplenews_issue->sent_count, 'subscriber count is correct');
    $spooled = \Drupal::database()
      ->query('SELECT COUNT(*) FROM {simplenews_mail_spool} WHERE entity_id = :nid AND entity_type = :type', [
      ':nid' => $node
        ->id(),
      ':type' => 'node',
    ])
      ->fetchField();
    $this
      ->assertEqual(2, $spooled, t('2 mails remaining in spool.'));

    // Run cron for the second time.
    simplenews_cron();

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_READY, $node->simplenews_issue->status, t('Newsletter sending finished.'));
    $spooled = \Drupal::database()
      ->query('SELECT COUNT(*) FROM {simplenews_mail_spool} WHERE entity_id = :nid AND entity_type = :type', [
      ':nid' => $node
        ->id(),
      ':type' => 'node',
    ])
      ->fetchField();
    $this
      ->assertEqual(0, $spooled, t('No mails remaining in spool.'));

    // Verify mails.
    $mails = $this
      ->getMails();
    $this
      ->assertEqual(5, count($mails), t('All mails were sent.'));
    foreach ($mails as $mail) {
      $this
        ->assertEqual($mail['subject'], '[Default newsletter] ' . $edit['title[0][value]'], t('Mail has correct subject'));
      $this
        ->assertTrue(isset($this->subscribers[$mail['to']]), t('Found valid recipient'));
      unset($this->subscribers[$mail['to']]);
    }
    $this
      ->assertEqual(0, count($this->subscribers), t('all subscribers have been received a mail'));
    $this
      ->assertEqual(5, $node->simplenews_issue->sent_count);
  }

  /**
   * Send a newsletter using cron.
   */
  public function testSendNowCron() {

    // Verify that the newsletter settings are shown.
    $this
      ->drupalGet('node/add/simplenews_issue');
    $this
      ->assertText(t('Create Newsletter Issue'));
    $edit = [
      'title[0][value]' => $this
        ->randomString(10),
      'simplenews_issue[target_id]' => 'default',
    ];

    // Try preview first.
    $this
      ->drupalPostForm(NULL, $edit, t('Preview'));
    $this
      ->clickLink(t('Back to content editing'));

    // Then save.
    $this
      ->drupalPostForm(NULL, [], t('Save'));
    $this
      ->assertEqual(1, preg_match('|node/(\\d+)$|', $this
      ->getUrl(), $matches), 'Node created');
    $node = Node::load($matches[1]);
    $this
      ->clickLink(t('Newsletter'));
    $this
      ->assertText(t('Send'));
    $this
      ->assertText(t('Test'));

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_NOT, $node->simplenews_issue->status, t('Newsletter not sent yet.'));

    // Send now.
    $this
      ->drupalPostForm(NULL, [], t('Send now'));

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_PENDING, $node->simplenews_issue->status, t('Newsletter sending pending.'));

    // Verify that no mails have been sent yet.
    $mails = $this
      ->getMails();
    $this
      ->assertEqual(0, count($mails), t('No mails were sent yet.'));
    $spooled = \Drupal::database()
      ->query('SELECT COUNT(*) FROM {simplenews_mail_spool} WHERE entity_id = :nid AND entity_type = :type', [
      ':nid' => $node
        ->id(),
      ':type' => 'node',
    ])
      ->fetchField();
    $this
      ->assertEqual(5, $spooled, t('5 mails have been added to the mail spool'));

    // Check warning message on node edit form.
    $this
      ->clickLink(t('Edit'));
    $this
      ->assertText(t('This newsletter issue is currently being sent. Any changes will be reflected in the e-mails which have not been sent yet.'));

    // Run cron.
    simplenews_cron();

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_READY, $node->simplenews_issue->status, t('Newsletter sending finished.'));
    $spooled = \Drupal::database()
      ->query('SELECT COUNT(*) FROM {simplenews_mail_spool} WHERE entity_id = :nid AND entity_type = :type', [
      ':nid' => $node
        ->id(),
      ':type' => 'node',
    ])
      ->fetchField();
    $this
      ->assertEqual(0, $spooled, t('No mails remaining in spool.'));

    // Verify mails.
    $mails = $this
      ->getMails();
    $this
      ->assertEqual(5, count($mails), t('All mails were sent.'));
    foreach ($mails as $mail) {

      // @todo Temporarily strip tags from mail subjects until
      //   https://www.drupal.org/node/2575791 is fixed.
      $this
        ->assertEqual($mail['subject'], '[Default newsletter] ' . strip_tags($edit['title[0][value]']), t('Mail has correct subject'));
      $this
        ->assertTrue(isset($this->subscribers[$mail['to']]), t('Found valid recipient'));
      unset($this->subscribers[$mail['to']]);
    }
    $this
      ->assertEqual(0, count($this->subscribers), t('all subscribers have been received a mail'));
  }

  /**
   * Send a newsletter on publish without using cron.
   */
  public function testSendPublishNoCron() {

    // Disable cron.
    $config = $this
      ->config('simplenews.settings');
    $config
      ->set('mail.use_cron', FALSE);
    $config
      ->save();

    // Verify that the newsletter settings are shown.
    $this
      ->drupalGet('node/add/simplenews_issue');
    $this
      ->assertText(t('Create Newsletter Issue'));
    $edit = [
      'title[0][value]' => $this
        ->randomString(10),
      'simplenews_issue[target_id]' => 'default',
      'status[value]' => FALSE,
    ];
    $this
      ->drupalPostForm(NULL, $edit, 'Save');
    $this
      ->assertEqual(1, preg_match('|node/(\\d+)$|', $this
      ->getUrl(), $matches), 'Node created');
    $node = Node::load($matches[1]);
    $this
      ->clickLink(t('Newsletter'));
    $this
      ->assertText(t('Send'));
    $this
      ->assertText(t('Test'));

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_NOT, $node->simplenews_issue->status, t('Newsletter not sent yet.'));

    // Send now.
    $this
      ->drupalPostForm(NULL, [], t('Send on publish'));

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache([
      $node
        ->id(),
    ]);
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_PUBLISH, $node->simplenews_issue->status, t('Newsletter set up for sending on publish.'));
    $this
      ->clickLink(t('Edit'));
    $this
      ->drupalPostForm(NULL, [
      'status[value]' => TRUE,
    ], t('Save'));

    // Send on publish does not send immediately.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache([
      $node
        ->id(),
    ]);
    \Drupal::service('simplenews.mailer')
      ->attemptImmediateSend([], FALSE);

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache([
      $node
        ->id(),
    ]);
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_READY, $node->simplenews_issue->status, t('Newsletter sending finished'));

    // @todo test sent subscriber count.
    // Verify mails.
    $mails = $this
      ->getMails();
    $this
      ->assertEqual(5, count($mails), t('All mails were sent.'));
    foreach ($mails as $mail) {
      $this
        ->assertEqual($mail['subject'], '[Default newsletter] ' . $edit['title[0][value]'], t('Mail has correct subject'));
      $this
        ->assertTrue(isset($this->subscribers[$mail['to']]), t('Found valid recipient'));
      unset($this->subscribers[$mail['to']]);
    }
    $this
      ->assertEqual(0, count($this->subscribers), t('all subscribers have been received a mail'));
  }

  /**
   * Test newsletter update.
   *
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  public function testUpdateNewsletter() {

    // Create a second newsletter.
    $this
      ->drupalGet('admin/config/services/simplenews');
    $this
      ->clickLink(t('Add newsletter'));
    $edit = [
      'name' => $this
        ->randomString(10),
      'id' => strtolower($this
        ->randomMachineName(10)),
      'description' => $this
        ->randomString(20),
    ];
    $this
      ->drupalPostForm(NULL, $edit, t('Save'));
    $this
      ->assertText(t('Newsletter @name has been added', [
      '@name' => $edit['name'],
    ]));
    $this
      ->drupalGet('node/add/simplenews_issue');
    $this
      ->assertText(t('Create Newsletter Issue'));
    $first_newsletter_id = $this
      ->getRandomNewsletter();
    $edit = [
      'title[0][value]' => $this
        ->randomString(10),
      'simplenews_issue[target_id]' => $first_newsletter_id,
    ];
    $this
      ->drupalPostForm(NULL, $edit, 'Save');
    $this
      ->assertEqual(1, preg_match('|node/(\\d+)$|', $this
      ->getUrl(), $matches), 'Node created.');

    // Verify newsletter.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($matches[1]);
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_NOT, $node->simplenews_issue->status, t('Newsletter sending not started.'));
    $this
      ->assertEqual($first_newsletter_id, $node->simplenews_issue->target_id);
    do {
      $second_newsletter_id = $this
        ->getRandomNewsletter();
    } while ($first_newsletter_id == $second_newsletter_id);
    $this
      ->clickLink(t('Edit'));
    $update = [
      'simplenews_issue[target_id]' => $second_newsletter_id,
    ];
    $this
      ->drupalPostForm(NULL, $update, t('Save'));

    // Verify newsletter.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_NOT, $node->simplenews_issue->status, t('Newsletter sending not started.'));
    $this
      ->assertEqual($second_newsletter_id, $node->simplenews_issue->target_id, t('Newsletter has newsletter_id @id.', [
      '@id' => $second_newsletter_id,
    ]));
  }

  /**
   * Tests failing to send mails from cron.
   */
  public function testSendFail() {

    // Create and send an issue.
    $issue = Node::create([
      'type' => 'simplenews_issue',
      'title' => $this
        ->randomString(10),
      'simplenews_issue' => [
        'target_id' => $this
          ->getRandomNewsletter(),
      ],
    ]);
    $issue
      ->save();
    \Drupal::service('simplenews.spool_storage')
      ->addIssue($issue);

    // Force some mails to fail, then abort.
    \Drupal::messenger()
      ->deleteAll();
    $results_alter = [
      SpoolStorageInterface::STATUS_PENDING,
      SpoolStorageInterface::STATUS_FAILED,
      -1,
    ];
    $this->container
      ->get('state')
      ->set('simplenews.test_result_alter', $results_alter);
    simplenews_cron();

    // Check there is no error message.
    $this
      ->assertEqual(count(\Drupal::messenger()
      ->messagesByType(MessengerInterface::TYPE_ERROR)), 0, t('No error messages printed'));

    // Check the status on the newsletter tab.  The pending mail should be
    // retried
    $this
      ->drupalGet('node/1/simplenews');
    $this
      ->assertText('Newsletter issue is pending, 0 mails sent out of 5, 1 errors.');

    // Allow one mail to succeed, and the pending mail should be treated as an
    // error.
    $results_alter = [
      SpoolStorageInterface::STATUS_DONE,
      SpoolStorageInterface::STATUS_PENDING,
      SpoolStorageInterface::STATUS_FAILED,
    ];
    $this->container
      ->get('state')
      ->set('simplenews.test_result_alter', $results_alter);
    simplenews_cron();
    $this
      ->drupalGet('node/1/simplenews');
    $this
      ->assertText('Newsletter issue sent to 2 subscribers, 3 errors.');
  }

  /**
   * Create a newsletter, send mails and then delete.
   */
  public function testDelete() {

    // Verify that the newsletter settings are shown.
    $this
      ->drupalGet('node/add/simplenews_issue');
    $this
      ->assertText(t('Create Newsletter Issue'));

    // Prevent deleting the mail spool entries automatically.
    $config = $this
      ->config('simplenews.settings');
    $config
      ->set('mail.spool_expire', 1);
    $config
      ->save();
    $edit = [
      'title[0][value]' => $this
        ->randomString(10),
      'simplenews_issue[target_id]' => 'default',
    ];
    $this
      ->drupalPostForm(NULL, $edit, 'Save');
    $this
      ->assertEqual(1, preg_match('|node/(\\d+)$|', $this
      ->getUrl(), $matches), 'Node created');
    $node = Node::load($matches[1]);
    $this
      ->clickLink(t('Newsletter'));
    $this
      ->assertText(t('Send'));
    $this
      ->assertText(t('Test'));

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_NOT, $node->simplenews_issue->status, t('Newsletter not sent yet.'));

    // Send now.
    $this
      ->drupalPostForm(NULL, [], t('Send now'));

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_PENDING, $node->simplenews_issue->status, t('Newsletter sending pending.'));
    $spooled = \Drupal::database()
      ->query('SELECT COUNT(*) FROM {simplenews_mail_spool} WHERE entity_id = :nid AND entity_type = :type', [
      ':nid' => $node
        ->id(),
      ':type' => 'node',
    ])
      ->fetchField();
    $this
      ->assertEqual(5, $spooled, t('5 mails remaining in spool.'));

    // Verify that deleting isn't possible right now.
    $this
      ->clickLink(t('Edit'));
    $this
      ->assertNoText(t('Delete'));

    // Send mails.
    simplenews_cron();

    // Verify state.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $node = Node::load($node
      ->id());
    $this
      ->assertEqual(SIMPLENEWS_STATUS_SEND_READY, $node->simplenews_issue->status, t('Newsletter sending finished'));
    $spooled = \Drupal::database()
      ->query('SELECT COUNT(*) FROM {simplenews_mail_spool} WHERE entity_id = :nid AND entity_type = :type', [
      ':nid' => $node
        ->id(),
      ':type' => 'node',
    ])
      ->fetchField();
    $this
      ->assertEqual(5, $spooled, t('Mails are kept in simplenews_mail_spool after being sent.'));

    // Verify mails.
    $mails = $this
      ->getMails();
    $this
      ->assertEqual(5, count($mails), t('All mails were sent.'));
    foreach ($mails as $mail) {
      $this
        ->assertEqual($mail['subject'], '[Default newsletter] ' . $edit['title[0][value]'], t('Mail has correct subject'));
      $this
        ->assertTrue(isset($this->subscribers[$mail['to']]), t('Found valid recipient'));
      unset($this->subscribers[$mail['to']]);
    }
    $this
      ->assertEqual(0, count($this->subscribers), t('all subscribers have received a mail'));

    // Update timestamp to simulate pending lock expiration.
    \Drupal::database()
      ->update('simplenews_mail_spool')
      ->fields([
      'timestamp' => REQUEST_TIME - $this
        ->config('simplenews.settings')
        ->get('mail.spool_progress_expiration') - 1,
    ])
      ->execute();

    // Verify that kept mail spool rows are not re-sent.
    simplenews_cron();
    \Drupal::service('simplenews.spool_storage')
      ->getMails();
    $mails = $this
      ->getMails();
    $this
      ->assertEqual(5, count($mails), t('No additional mails have been sent.'));

    // Now delete.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $this
      ->drupalGet($node
      ->toUrl('edit-form'));
    $this
      ->clickLink(t('Delete'));
    $this
      ->drupalPostForm(NULL, [], t('Delete'));

    // Verify.
    \Drupal::entityTypeManager()
      ->getStorage('node')
      ->resetCache();
    $this
      ->assertEmpty(Node::load($node
      ->id()));
    $spooled = \Drupal::database()
      ->query('SELECT COUNT(*) FROM {simplenews_mail_spool} WHERE entity_id = :nid AND entity_type = :type', [
      ':nid' => $node
        ->id(),
      ':type' => 'node',
    ])
      ->fetchField();
    $this
      ->assertEqual(0, $spooled, t('No mails remaining in spool.'));
  }

  /**
   * Test that the correct user is used when sending newsletters.
   */
  public function testImpersonation() {

    // Create user to manage subscribers.
    $admin_user = $this
      ->drupalCreateUser([
      'administer users',
    ]);
    $this
      ->drupalLogin($admin_user);

    // Add users for some existing subscribers.
    $subscribers = array_slice($this->subscribers, -3);
    $users = [];
    foreach ($subscribers as $subscriber) {
      $user = User::create([
        'name' => $this
          ->randomMachineName(),
        'mail' => $subscriber,
        'status' => 1,
      ]);
      $user
        ->save();
      $users[$subscriber] = $user
        ->id();
    }

    // Create a very basic node.
    $node = Node::create([
      'type' => 'simplenews_issue',
      'title' => $this
        ->randomString(10),
      'uid' => '0',
      'status' => 1,
      'body' => 'User ID: [current-user:uid]',
    ]);
    $node->simplenews_issue->target_id = $this
      ->getRandomNewsletter();
    $node->simplenews_issue->handler = 'simplenews_all';
    $node
      ->save();

    // Send the node.
    \Drupal::service('simplenews.spool_storage')
      ->addIssue($node);

    // Send mails.
    \Drupal::service('simplenews.mailer')
      ->sendSpool();
    \Drupal::service('simplenews.spool_storage')
      ->clear();

    // Update sent status for newsletter admin panel.
    \Drupal::service('simplenews.mailer')
      ->updateSendStatus();

    // Verify mails.
    $mails = $this
      ->getMails();

    // Check the mails sent to subscribers (who are also users) and verify each
    // users uid in the mail body.
    $mails_with_users = 0;
    $mails_without_users = 0;
    foreach ($mails as $mail) {
      $body = $mail['body'];
      $user_mail = $mail['to'];
      if (isset($users[$user_mail])) {
        if (strpos($body, 'User ID: ' . $users[$user_mail])) {
          $mails_with_users++;
        }
      }
      else {
        if (strpos($body, 'User ID: not yet assigned')) {
          $mails_without_users++;
        }
      }
    }
    $this
      ->assertEqual(3, $mails_with_users, '3 mails with user ids found');
    $this
      ->assertEqual(2, $mails_without_users, '2 mails with no user ids found');
  }

  /**
   * Test the theme suggestions when sending mails.
   */
  public function testNewsletterTheme() {

    // Install and enable the test theme.
    \Drupal::service('theme_installer')
      ->install([
      'simplenews_newsletter_test_theme',
    ]);
    \Drupal::theme()
      ->setActiveTheme(\Drupal::service('theme.initialization')
      ->initTheme('simplenews_newsletter_test_theme'));
    $node = Node::create([
      'type' => 'simplenews_issue',
      'title' => $this
        ->randomString(10),
      'uid' => '0',
      'status' => 1,
    ]);
    $node->simplenews_issue->target_id = $this
      ->getRandomNewsletter();
    $node->simplenews_issue->handler = 'simplenews_all';
    $node
      ->save();

    // Send the node.
    \Drupal::service('simplenews.spool_storage')
      ->addIssue($node);

    // Send mails.
    \Drupal::service('simplenews.mailer')
      ->sendSpool();
    \Drupal::service('simplenews.spool_storage')
      ->clear();

    // Update sent status for newsletter admin panel.
    \Drupal::service('simplenews.mailer')
      ->updateSendStatus();
    $mails = $this
      ->getMails();

    // Check if the correct theme was used in mails.
    $this
      ->assertTrue(strpos($mails[0]['body'], 'Simplenews test theme') != FALSE);
    $this
      ->assertEqual(1, preg_match('/ID: [0-9]/', $mails[0]['body']), 'Mail contains the subscriber ID');
  }

  /**
   * Test the correct handling of HTML special characters in plain text mails.
   */
  public function testHtmlEscaping() {
    $title = '><\'"-&&amp;--*';
    $node = Node::create([
      'type' => 'simplenews_issue',
      'title' => $title,
      'uid' => '0',
      'status' => 1,
    ]);
    $node->simplenews_issue->target_id = $this
      ->getRandomNewsletter();
    $node->simplenews_issue->handler = 'simplenews_all';
    $node
      ->save();

    // Send the node.
    \Drupal::service('simplenews.spool_storage')
      ->addIssue($node);

    // Send mails.
    \Drupal::service('simplenews.mailer')
      ->sendSpool();
    \Drupal::service('simplenews.spool_storage')
      ->clear();

    // Update sent status for newsletter admin panel.
    \Drupal::service('simplenews.mailer')
      ->updateSendStatus();
    $mails = $this
      ->getMails();

    // Check that the node title is displayed unaltered in the subject and
    // unaltered except being uppercased due to the HTML conversion in the body.
    $this
      ->assertTrue(strpos($mails[0]['body'], strtoupper($title)) != FALSE);
    $this
      ->assertTrue(strpos($mails[0]['subject'], $title) != FALSE);
  }

}

Classes

Name	Description
SimplenewsSendTest	Test cases for creating and sending newsletters.