Move post notification scheduling to service

[MAILPOET-2348]
2019-09-09 11:04:31 +02:00
parent 446af84e6c
commit 3d750c5bb8
10 changed files with 505 additions and 419 deletions
--- a/lib/API/JSON/v1/Newsletters.php
+++ b/lib/API/JSON/v1/Newsletters.php
@ -20,6 +20,7 @@ use MailPoet\Models\Setting;
 use MailPoet\Models\Subscriber;
 use MailPoet\Newsletter\NewslettersRepository;
 use MailPoet\Newsletter\Renderer\Renderer;
+use MailPoet\Newsletter\Scheduler\PostNotificationScheduler;
 use MailPoet\Newsletter\Scheduler\Scheduler;
 use MailPoet\Newsletter\Url as NewsletterUrl;
 use MailPoet\Services\AuthorizedEmailsController;
@ -59,6 +60,9 @@ class Newsletters extends APIEndpoint {
  /** @var NewslettersResponseBuilder */
  private $newsletters_response_builder;

+  /** @var PostNotificationScheduler */
+  private $post_notification_scheduler;
+
  function __construct(
    Listing\BulkActionController $bulk_action,
    Listing\Handler $listing_handler,
@ -67,7 +71,8 @@ class Newsletters extends APIEndpoint {
    SettingsController $settings,
    AuthorizedEmailsController $authorized_emails_controller,
    NewslettersRepository $newsletters_repository,
-    NewslettersResponseBuilder $newsletters_response_builder
+    NewslettersResponseBuilder $newsletters_response_builder,
+    PostNotificationScheduler $post_notification_scheduler
  ) {
    $this->bulk_action = $bulk_action;
    $this->listing_handler = $listing_handler;
@ -77,6 +82,7 @@ class Newsletters extends APIEndpoint {
    $this->authorized_emails_controller = $authorized_emails_controller;
    $this->newsletters_repository = $newsletters_repository;
    $this->newsletters_response_builder = $newsletters_response_builder;
+    $this->post_notification_scheduler = $post_notification_scheduler;
  }

  function get($data = []) {
@ -208,7 +214,7 @@ class Newsletters extends APIEndpoint {
      // if this is a post notification, process newsletter options and update its schedule
      if ($newsletter->type === Newsletter::TYPE_NOTIFICATION) {
        // generate the new schedule from options and get the new "next run" date
-        $newsletter->schedule = Scheduler::processPostNotificationSchedule($newsletter);
+        $newsletter->schedule = $this->post_notification_scheduler->processPostNotificationSchedule($newsletter);
        $next_run_date = Scheduler::getNextRunDate($newsletter->schedule);
        // find previously scheduled jobs and reschedule them using the new "next run" date
        SendingQueue::findTaskByNewsletterId($newsletter->id)
@ -283,7 +289,7 @@ class Newsletters extends APIEndpoint {
          ->set('scheduled_at', $next_run_date)
          ->save();
      }
-      Scheduler::createPostNotificationSendingTask($newsletter);
+      $this->post_notification_scheduler->createPostNotificationSendingTask($newsletter);
    }

    $newsletter = Newsletter::findOne($newsletter->id);
@ -601,7 +607,7 @@ class Newsletters extends APIEndpoint {
        $data['type'] === Newsletter::TYPE_NOTIFICATION
      ) {
        $newsletter = Newsletter::filter('filterWithOptions', $data['type'])->findOne($newsletter->id);
-        Scheduler::processPostNotificationSchedule($newsletter);
+        $this->post_notification_scheduler->processPostNotificationSchedule($newsletter);
      }

      $newsletter = Newsletter::findOne($newsletter->id);
--- a/lib/Config/Hooks.php
+++ b/lib/Config/Hooks.php
@ -2,6 +2,7 @@

 namespace MailPoet\Config;

+use MailPoet\Newsletter\Scheduler\PostNotificationScheduler;
 use MailPoet\Settings\SettingsController;
 use MailPoet\Statistics\Track\WooCommercePurchases;
 use MailPoet\Subscription\Comment;
@ -41,6 +42,9 @@ class Hooks {
  /** @var WooCommercePurchases */
  private $woocommerce_purchases;

+  /** @var PostNotificationScheduler */
+  private $post_notification_scheduler;
+
  function __construct(
    Form $subscription_form,
    Comment $subscription_comment,
@ -50,7 +54,8 @@ class Hooks {
    WPFunctions $wp,
    WooCommerceSubscription $woocommerce_subscription,
    WooCommerceSegment $woocommerce_segment,
-    WooCommercePurchases $woocommerce_purchases
+    WooCommercePurchases $woocommerce_purchases,
+    PostNotificationScheduler $post_notification_scheduler
  ) {
    $this->subscription_form = $subscription_form;
    $this->subscription_comment = $subscription_comment;
@ -61,6 +66,7 @@ class Hooks {
    $this->woocommerce_subscription = $woocommerce_subscription;
    $this->woocommerce_segment = $woocommerce_segment;
    $this->woocommerce_purchases = $woocommerce_purchases;
+    $this->post_notification_scheduler = $post_notification_scheduler;
  }

  function init() {
@ -299,7 +305,7 @@ class Hooks {
  function setupPostNotifications() {
    $this->wp->addAction(
      'transition_post_status',
-      '\MailPoet\Newsletter\Scheduler\Scheduler::transitionHook',
+      [$this->post_notification_scheduler, 'transitionHook'],
      10, 3
    );
  }
--- a/lib/DI/ContainerConfigurator.php
+++ b/lib/DI/ContainerConfigurator.php
@ -184,6 +184,7 @@ class ContainerConfigurator implements IContainerConfigurator {
    $container->autowire(\MailPoet\Newsletter\AutomatedLatestContent::class)->setPublic(true);
    $container->autowire(\MailPoet\Newsletter\NewslettersRepository::class);
    $container->autowire(\MailPoet\Newsletter\Scheduler\WelcomeScheduler::class);
+    $container->autowire(\MailPoet\Newsletter\Scheduler\PostNotificationScheduler::class);
    // Util
    $container->autowire(\MailPoet\Util\Cookies::class);
    $container->autowire(\MailPoet\Util\Url::class)->setPublic(true);
--- a/lib/Models/SendingQueue.php
+++ b/lib/Models/SendingQueue.php
@ -20,6 +20,7 @@ if (!defined('ABSPATH')) exit;
 * @property string|object|null $meta
 * @property string|array $subscribers
 * @property string|null $deleted_at
+ * @property string $scheduled_at
 */

 class SendingQueue extends Model {
--- a/lib/Newsletter/Scheduler/PostNotificationScheduler.php
+++ b/lib/Newsletter/Scheduler/PostNotificationScheduler.php
@ -0,0 +1,130 @@
+<?php
+
+namespace MailPoet\Newsletter\Scheduler;
+
+use MailPoet\Logging\Logger;
+use MailPoet\Models\Newsletter;
+use MailPoet\Models\NewsletterOption;
+use MailPoet\Models\NewsletterOptionField;
+use MailPoet\Models\NewsletterPost;
+use MailPoet\Models\ScheduledTask;
+use MailPoet\Models\SendingQueue;
+use MailPoet\Tasks\Sending as SendingTask;
+use MailPoet\WP\Posts;
+
+class PostNotificationScheduler {
+
+  function transitionHook($new_status, $old_status, $post) {
+    Logger::getLogger('post-notifications')->addInfo(
+      'transition post notification hook initiated',
+      [
+        'post_id' => $post->ID,
+        'new_status' => $new_status,
+        'old_status' => $old_status,
+      ]
+    );
+    $types = Posts::getTypes();
+    if (($new_status !== 'publish') || !isset($types[$post->post_type])) {
+      return;
+    }
+    $this->schedulePostNotification($post->ID);
+  }
+
+  function schedulePostNotification($post_id) {
+    Logger::getLogger('post-notifications')->addInfo(
+      'schedule post notification hook',
+      ['post_id' => $post_id]
+    );
+    $newsletters = Scheduler::getNewsletters(Newsletter::TYPE_NOTIFICATION);
+    if (!count($newsletters)) return false;
+    foreach ($newsletters as $newsletter) {
+      $post = NewsletterPost::where('newsletter_id', $newsletter->id)
+        ->where('post_id', $post_id)
+        ->findOne();
+      if ($post === false) {
+        $this->createPostNotificationSendingTask($newsletter);
+      }
+    }
+  }
+
+  function createPostNotificationSendingTask($newsletter) {
+    $existing_notification_history = Newsletter::tableAlias('newsletters')
+      ->where('newsletters.parent_id', $newsletter->id)
+      ->where('newsletters.type', Newsletter::TYPE_NOTIFICATION_HISTORY)
+      ->where('newsletters.status', Newsletter::STATUS_SENDING)
+      ->join(
+        MP_SENDING_QUEUES_TABLE,
+        'queues.newsletter_id = newsletters.id',
+        'queues'
+      )
+      ->join(
+        MP_SCHEDULED_TASKS_TABLE,
+        'queues.task_id = tasks.id',
+        'tasks'
+      )
+      ->whereNotEqual('tasks.status', ScheduledTask::STATUS_PAUSED)
+      ->findOne();
+    if ($existing_notification_history) {
+      return;
+    }
+    $next_run_date = Scheduler::getNextRunDate($newsletter->schedule);
+    if (!$next_run_date) return;
+    // do not schedule duplicate queues for the same time
+    $existing_queue = SendingQueue::findTaskByNewsletterId($newsletter->id)
+      ->where('tasks.scheduled_at', $next_run_date)
+      ->findOne();
+    if ($existing_queue) return;
+    $sending_task = SendingTask::create();
+    $sending_task->newsletter_id = $newsletter->id;
+    $sending_task->status = SendingQueue::STATUS_SCHEDULED;
+    $sending_task->scheduled_at = $next_run_date;
+    $sending_task->save();
+    Logger::getLogger('post-notifications')->addInfo(
+      'schedule post notification',
+      ['sending_task' => $sending_task->id(), 'scheduled_at' => $next_run_date]
+    );
+    return $sending_task;
+  }
+
+  function processPostNotificationSchedule($newsletter) {
+    $interval_type = $newsletter->intervalType;
+    $hour = (int)$newsletter->timeOfDay / Scheduler::SECONDS_IN_HOUR;
+    $week_day = $newsletter->weekDay;
+    $month_day = $newsletter->monthDay;
+    $nth_week_day = ($newsletter->nthWeekDay === Scheduler::LAST_WEEKDAY_FORMAT) ?
+      $newsletter->nthWeekDay :
+      '#' . $newsletter->nthWeekDay;
+    switch ($interval_type) {
+      case Scheduler::INTERVAL_IMMEDIATE:
+      case Scheduler::INTERVAL_DAILY:
+        $schedule = sprintf('0 %s * * *', $hour);
+        break;
+      case Scheduler::INTERVAL_WEEKLY:
+        $schedule = sprintf('0 %s * * %s', $hour, $week_day);
+        break;
+      case Scheduler::INTERVAL_NTHWEEKDAY:
+        $schedule = sprintf('0 %s ? * %s%s', $hour, $week_day, $nth_week_day);
+        break;
+      case Scheduler::INTERVAL_MONTHLY:
+        $schedule = sprintf('0 %s %s * *', $hour, $month_day);
+        break;
+      case Scheduler::INTERVAL_IMMEDIATELY:
+      default:
+        $schedule = '* * * * *';
+        break;
+    }
+    $option_field = NewsletterOptionField::where('name', 'schedule')->findOne();
+    $relation = NewsletterOption::where('newsletter_id', $newsletter->id)
+      ->where('option_field_id', $option_field->id)
+      ->findOne();
+    if (!$relation) {
+      $relation = NewsletterOption::create();
+      $relation->newsletter_id = $newsletter->id;
+      $relation->option_field_id = $option_field->id;
+    }
+    $relation->value = $schedule;
+    $relation->save();
+    return $relation->value;
+  }
+
+}
--- a/lib/Newsletter/Scheduler/Scheduler.php
+++ b/lib/Newsletter/Scheduler/Scheduler.php
@ -3,17 +3,12 @@
 namespace MailPoet\Newsletter\Scheduler;

 use Carbon\Carbon;
-use MailPoet\Logging\Logger;
 use MailPoet\Models\Newsletter;
-use MailPoet\Models\NewsletterOption;
-use MailPoet\Models\NewsletterOptionField;
-use MailPoet\Models\NewsletterPost;
 use MailPoet\Models\ScheduledTask;
 use MailPoet\Models\ScheduledTaskSubscriber;
 use MailPoet\Models\SendingQueue;
 use MailPoet\Tasks\Sending as SendingTask;
 use MailPoet\WP\Functions as WPFunctions;
-use MailPoet\WP\Posts;

 class Scheduler {
  const SECONDS_IN_HOUR = 3600;
@ -26,39 +21,6 @@ class Scheduler {
  const INTERVAL_MONTHLY = 'monthly';
  const INTERVAL_NTHWEEKDAY = 'nthWeekDay';

-  static function transitionHook($new_status, $old_status, $post) {
-    Logger::getLogger('post-notifications')->addInfo(
-      'transition post notification hook initiated',
-      [
-        'post_id' => $post->ID,
-        'new_status' => $new_status,
-        'old_status' => $old_status,
-      ]
-    );
-    $types = Posts::getTypes();
-    if (($new_status !== 'publish') || !isset($types[$post->post_type])) {
-      return;
-    }
-    self::schedulePostNotification($post->ID);
-  }
-
-  static function schedulePostNotification($post_id) {
-    Logger::getLogger('post-notifications')->addInfo(
-      'schedule post notification hook',
-      ['post_id' => $post_id]
-    );
-    $newsletters = self::getNewsletters(Newsletter::TYPE_NOTIFICATION);
-    if (!count($newsletters)) return false;
-    foreach ($newsletters as $newsletter) {
-      $post = NewsletterPost::where('newsletter_id', $newsletter->id)
-        ->where('post_id', $post_id)
-        ->findOne();
-      if ($post === false) {
-        self::createPostNotificationSendingTask($newsletter);
-      }
-    }
-  }
-
  static function scheduleAutomaticEmail($group, $event, $scheduling_condition = false, $subscriber_id = false, $meta = false) {
    $newsletters = self::getNewsletters(Newsletter::TYPE_AUTOMATIC, $group);
    if (empty($newsletters)) return false;
@ -152,86 +114,6 @@ class Scheduler {
    $task->save();
  }

-  static function createPostNotificationSendingTask($newsletter) {
-    $existing_notification_history = Newsletter::tableAlias('newsletters')
-      ->where('newsletters.parent_id', $newsletter->id)
-      ->where('newsletters.type', Newsletter::TYPE_NOTIFICATION_HISTORY)
-      ->where('newsletters.status', Newsletter::STATUS_SENDING)
-      ->join(
-        MP_SENDING_QUEUES_TABLE,
-        'queues.newsletter_id = newsletters.id',
-        'queues'
-      )
-      ->join(
-        MP_SCHEDULED_TASKS_TABLE,
-        'queues.task_id = tasks.id',
-        'tasks'
-      )
-      ->whereNotEqual('tasks.status', ScheduledTask::STATUS_PAUSED)
-      ->findOne();
-    if ($existing_notification_history) {
-      return;
-    }
-    $next_run_date = self::getNextRunDate($newsletter->schedule);
-    if (!$next_run_date) return;
-    // do not schedule duplicate queues for the same time
-    $existing_queue = SendingQueue::findTaskByNewsletterId($newsletter->id)
-      ->where('tasks.scheduled_at', $next_run_date)
-      ->findOne();
-    if ($existing_queue) return;
-    $sending_task = SendingTask::create();
-    $sending_task->newsletter_id = $newsletter->id;
-    $sending_task->status = SendingQueue::STATUS_SCHEDULED;
-    $sending_task->scheduled_at = $next_run_date;
-    $sending_task->save();
-    Logger::getLogger('post-notifications')->addInfo(
-      'schedule post notification',
-      ['sending_task' => $sending_task->id(), 'scheduled_at' => $next_run_date]
-    );
-    return $sending_task;
-  }
-
-  static function processPostNotificationSchedule($newsletter) {
-    $interval_type = $newsletter->intervalType;
-    $hour = (int)$newsletter->timeOfDay / self::SECONDS_IN_HOUR;
-    $week_day = $newsletter->weekDay;
-    $month_day = $newsletter->monthDay;
-    $nth_week_day = ($newsletter->nthWeekDay === self::LAST_WEEKDAY_FORMAT) ?
-      $newsletter->nthWeekDay :
-      '#' . $newsletter->nthWeekDay;
-    switch ($interval_type) {
-      case self::INTERVAL_IMMEDIATE:
-      case self::INTERVAL_DAILY:
-        $schedule = sprintf('0 %s * * *', $hour);
-        break;
-      case self::INTERVAL_WEEKLY:
-        $schedule = sprintf('0 %s * * %s', $hour, $week_day);
-        break;
-      case self::INTERVAL_NTHWEEKDAY:
-        $schedule = sprintf('0 %s ? * %s%s', $hour, $week_day, $nth_week_day);
-        break;
-      case self::INTERVAL_MONTHLY:
-        $schedule = sprintf('0 %s %s * *', $hour, $month_day);
-        break;
-      case self::INTERVAL_IMMEDIATELY:
-      default:
-        $schedule = '* * * * *';
-        break;
-    }
-    $option_field = NewsletterOptionField::where('name', 'schedule')->findOne();
-    $relation = NewsletterOption::where('newsletter_id', $newsletter->id)
-      ->where('option_field_id', $option_field->id)
-      ->findOne();
-    if (!$relation) {
-      $relation = NewsletterOption::create();
-      $relation->newsletter_id = $newsletter->id;
-      $relation->option_field_id = $option_field->id;
-    }
-    $relation->value = $schedule;
-    $relation->save();
-    return $relation->value;
-  }
-
  static function getNextRunDate($schedule, $from_timestamp = false) {
    $wp = new WPFunctions();
    $from_timestamp = ($from_timestamp) ? $from_timestamp : $wp->currentTime('timestamp');
--- a/tests/integration/API/JSON/v1/NewslettersTest.php
+++ b/tests/integration/API/JSON/v1/NewslettersTest.php
@ -22,6 +22,7 @@ use MailPoet\Models\Segment;
 use MailPoet\Models\SubscriberSegment;
 use MailPoet\Models\SendingQueue;
 use MailPoet\Newsletter\NewslettersRepository;
+use MailPoet\Newsletter\Scheduler\PostNotificationScheduler;
 use MailPoet\Newsletter\Scheduler\Scheduler;
 use MailPoet\Newsletter\Url;
 use MailPoet\Router\Router;
@ -130,7 +131,8 @@ class NewslettersTest extends \MailPoetTest {
      new SettingsController(),
      $this->make(AuthorizedEmailsController::class, ['onNewsletterUpdate' => Expected::never()]),
      ContainerWrapper::getInstance()->get(NewslettersRepository::class),
-      ContainerWrapper::getInstance()->get(NewslettersResponseBuilder::class)
+      ContainerWrapper::getInstance()->get(NewslettersResponseBuilder::class),
+      ContainerWrapper::getInstance()->get(PostNotificationScheduler::class)
    );
    $response = $this->endpoint->get(['id' => $this->newsletter->id]);
    expect($response->status)->equals(APIResponse::STATUS_OK);
@ -172,7 +174,8 @@ class NewslettersTest extends \MailPoetTest {
      new SettingsController(),
      $this->make(AuthorizedEmailsController::class, ['onNewsletterUpdate' => Expected::once()]),
      ContainerWrapper::getInstance()->get(NewslettersRepository::class),
-      ContainerWrapper::getInstance()->get(NewslettersResponseBuilder::class)
+      ContainerWrapper::getInstance()->get(NewslettersResponseBuilder::class),
+      ContainerWrapper::getInstance()->get(PostNotificationScheduler::class)
    );

    $response = $this->endpoint->save($valid_data);
@ -542,7 +545,8 @@ class NewslettersTest extends \MailPoetTest {
      new SettingsController(),
      $this->make(AuthorizedEmailsController::class, ['onNewsletterUpdate' => Expected::never()]),
      ContainerWrapper::getInstance()->get(NewslettersRepository::class),
-      ContainerWrapper::getInstance()->get(NewslettersResponseBuilder::class)
+      ContainerWrapper::getInstance()->get(NewslettersResponseBuilder::class),
+      ContainerWrapper::getInstance()->get(PostNotificationScheduler::class)
    );

    $response = $this->endpoint->duplicate(['id' => $this->newsletter->id]);
--- a/tests/integration/Config/HooksTest.php
+++ b/tests/integration/Config/HooksTest.php
@ -8,6 +8,6 @@ class HooksTest extends \MailPoetTest {
  function testItHooksSchedulerToMultiplePostTypes() {
    $hooks = ContainerWrapper::getInstance()->get(Hooks::class);
    $hooks->setupPostNotifications();
-    expect(has_filter('transition_post_status', '\MailPoet\Newsletter\Scheduler\Scheduler::transitionHook'))->notEmpty();
+    expect(has_filter('transition_post_status'))->notEmpty();
  }
 }
--- a/tests/integration/Newsletter/Scheduler/PostNotificationTest.php
+++ b/tests/integration/Newsletter/Scheduler/PostNotificationTest.php
@ -0,0 +1,345 @@
+<?php
+
+namespace MailPoet\Newsletter\Scheduler;
+
+use Carbon\Carbon;
+use MailPoet\Config\Hooks;
+use MailPoet\DI\ContainerWrapper;
+use MailPoet\Models\Newsletter;
+use MailPoet\Models\NewsletterOption;
+use MailPoet\Models\NewsletterOptionField;
+use MailPoet\Models\NewsletterPost;
+use MailPoet\Models\ScheduledTask;
+use MailPoet\Models\ScheduledTaskSubscriber;
+use MailPoet\Models\SendingQueue;
+use MailPoet\Models\Subscriber;
+use MailPoet\Tasks\Sending as SendingTask;
+use MailPoet\WP\Posts as WPPosts;
+
+class PostNotificationTest extends \MailPoetTest {
+
+  /** @var PostNotificationScheduler */
+  private $post_notification_scheduler;
+
+  function _before() {
+    parent::_before();
+    $this->post_notification_scheduler = new PostNotificationScheduler;
+  }
+
+  function testItCreatesPostNotificationSendingTask() {
+    $newsletter = $this->_createNewsletter();
+    $newsletter->schedule = '* 5 * * *';
+
+    // new queue record should be created
+    $queue = $this->post_notification_scheduler->createPostNotificationSendingTask($newsletter);
+    expect(SendingQueue::findMany())->count(1);
+    expect($queue->newsletter_id)->equals($newsletter->id);
+    expect($queue->status)->equals(SendingQueue::STATUS_SCHEDULED);
+    expect($queue->scheduled_at)->equals(Scheduler::getNextRunDate('* 5 * * *'));
+    expect($queue->priority)->equals(SendingQueue::PRIORITY_MEDIUM);
+
+    // duplicate queue record should not be created
+    $this->post_notification_scheduler->createPostNotificationSendingTask($newsletter);
+    expect(SendingQueue::findMany())->count(1);
+  }
+
+  function testItCreatesPostNotificationSendingTaskIfAPausedNotificationExists() {
+    $newsletter = $this->_createNewsletter();
+    $newsletter->schedule = '* 5 * * *';
+
+    // new queue record should be created
+    $queue_to_be_paused = $this->post_notification_scheduler->createPostNotificationSendingTask($newsletter);
+    $queue_to_be_paused->task()->pause();
+
+    // another queue record should be created because the first one was paused
+    $newsletter->schedule = '* 10 * * *'; // different time to not clash with the first queue
+    $queue = $this->post_notification_scheduler->createPostNotificationSendingTask($newsletter);
+    expect(SendingQueue::findMany())->count(2);
+    expect($queue->newsletter_id)->equals($newsletter->id);
+    expect($queue->status)->equals(SendingQueue::STATUS_SCHEDULED);
+    expect($queue->scheduled_at)->equals(Scheduler::getNextRunDate('* 10 * * *'));
+    expect($queue->priority)->equals(SendingQueue::PRIORITY_MEDIUM);
+
+    // duplicate queue record should not be created
+    $this->post_notification_scheduler->createPostNotificationSendingTask($newsletter);
+    expect(SendingQueue::findMany())->count(2);
+  }
+
+  function tesIttDoesNotSchedulePostNotificationWhenNotificationWasAlreadySentForPost() {
+    $newsletter = $this->_createNewsletter();
+    $newsletter_post = NewsletterPost::create();
+    $newsletter_post->newsletter_id = $newsletter->id;
+    $newsletter_post->post_id = 10;
+    $newsletter_post->save();
+
+    // queue is not created when notification was already sent for the post
+    $this->post_notification_scheduler->schedulePostNotification($post_id = 10);
+    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)
+      ->findOne();
+    expect($queue)->false();
+  }
+
+  function testItSchedulesPostNotification() {
+    $newsletter = $this->_createNewsletter();
+    $this->_createNewsletterOptions(
+      $newsletter->id,
+      [
+        'schedule' => '0 5 * * *',
+      ]
+    );
+
+    // queue is created and scheduled for delivery one day later at 5 a.m.
+    $this->post_notification_scheduler->schedulePostNotification($post_id = 10);
+    $current_time = Carbon::createFromTimestamp(current_time('timestamp'));
+    Carbon::setTestNow($current_time); // mock carbon to return current time
+    $next_run_date = ($current_time->hour < 5) ?
+      $current_time :
+      $current_time->addDay();
+    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)
+      ->findOne();
+    expect($queue->scheduled_at)->startsWith($next_run_date->format('Y-m-d 05:00'));
+  }
+
+  function testItProcessesPostNotificationScheduledForDailyDelivery() {
+    $newsletter_option_field = NewsletterOptionField::create();
+    $newsletter_option_field->name = 'schedule';
+    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
+    $newsletter_option_field->save();
+
+    // daily notification is scheduled at 14:00
+    $newsletter = (object)[
+      'id' => 1,
+      'intervalType' => Scheduler::INTERVAL_DAILY,
+      'monthDay' => null,
+      'nthWeekDay' => null,
+      'weekDay' => null,
+      'timeOfDay' => 50400, // 2 p.m.
+    ];
+    $this->post_notification_scheduler->processPostNotificationSchedule($newsletter);
+    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
+      ->where('option_field_id', $newsletter_option_field->id)
+      ->findOne();
+    $current_time = 1483275600; // Sunday, 1 January 2017 @ 1:00pm (UTC)
+    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
+      ->equals('2017-01-01 14:00:00');
+  }
+
+  function testItProcessesPostNotificationScheduledForWeeklyDelivery() {
+    $newsletter_option_field = NewsletterOptionField::create();
+    $newsletter_option_field->name = 'schedule';
+    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
+    $newsletter_option_field->save();
+
+    // weekly notification is scheduled every Tuesday at 14:00
+    $newsletter = (object)[
+      'id' => 1,
+      'intervalType' => Scheduler::INTERVAL_WEEKLY,
+      'monthDay' => null,
+      'nthWeekDay' => null,
+      'weekDay' => Carbon::TUESDAY,
+      'timeOfDay' => 50400, // 2 p.m.
+    ];
+    $this->post_notification_scheduler->processPostNotificationSchedule($newsletter);
+    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
+      ->where('option_field_id', $newsletter_option_field->id)
+      ->findOne();
+    $current_time = 1483275600; // Sunday, 1 January 2017 @ 1:00pm (UTC)
+    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
+      ->equals('2017-01-03 14:00:00');
+  }
+
+  function testItProcessesPostNotificationScheduledForMonthlyDeliveryOnSpecificDay() {
+    $newsletter_option_field = NewsletterOptionField::create();
+    $newsletter_option_field->name = 'schedule';
+    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
+    $newsletter_option_field->save();
+
+    // monthly notification is scheduled every 20th day at 14:00
+    $newsletter = (object)[
+      'id' => 1,
+      'intervalType' => Scheduler::INTERVAL_MONTHLY,
+      'monthDay' => 19, // 20th (count starts from 0)
+      'nthWeekDay' => null,
+      'weekDay' => null,
+      'timeOfDay' => 50400,// 2 p.m.
+    ];
+    $this->post_notification_scheduler->processPostNotificationSchedule($newsletter);
+    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
+      ->where('option_field_id', $newsletter_option_field->id)
+      ->findOne();
+    $current_time = 1483275600; // Sunday, 1 January 2017 @ 1:00pm (UTC)
+    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
+      ->equals('2017-01-19 14:00:00');
+  }
+
+  function testItProcessesPostNotificationScheduledForMonthlyDeliveryOnLastWeekDay() {
+    $newsletter_option_field = NewsletterOptionField::create();
+    $newsletter_option_field->name = 'schedule';
+    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
+    $newsletter_option_field->save();
+
+    // monthly notification is scheduled every last Saturday at 14:00
+    $newsletter = (object)[
+      'id' => 1,
+      'intervalType' => Scheduler::INTERVAL_NTHWEEKDAY,
+      'monthDay' => null,
+      'nthWeekDay' => 'L', // L = last
+      'weekDay' => Carbon::SATURDAY,
+      'timeOfDay' => 50400,// 2 p.m.
+    ];
+    $this->post_notification_scheduler->processPostNotificationSchedule($newsletter);
+    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
+      ->where('option_field_id', $newsletter_option_field->id)
+      ->findOne();
+    $current_time = 1485694800; // Sunday, 29 January 2017 @ 1:00pm (UTC)
+    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
+      ->equals('2017-02-25 14:00:00');
+  }
+
+  function testItProcessesPostNotificationScheduledForImmediateDelivery() {
+    $newsletter_option_field = NewsletterOptionField::create();
+    $newsletter_option_field->name = 'schedule';
+    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
+    $newsletter_option_field->save();
+
+    // notification is scheduled immediately (next minute)
+    $newsletter = (object)[
+      'id' => 1,
+      'intervalType' => Scheduler::INTERVAL_IMMEDIATELY,
+      'monthDay' => null,
+      'nthWeekDay' => null,
+      'weekDay' => null,
+      'timeOfDay' => null,
+    ];
+    $this->post_notification_scheduler->processPostNotificationSchedule($newsletter);
+    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
+      ->where('option_field_id', $newsletter_option_field->id)
+      ->findOne();
+    $current_time = 1483275600; // Sunday, 1 January 2017 @ 1:00pm (UTC)
+    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
+      ->equals('2017-01-01 13:01:00');
+  }
+
+
+  function testUnsearchablePostTypeDoesNotSchedulePostNotification() {
+    $hook = ContainerWrapper::getInstance()->get(Hooks::class);
+
+    $newsletter = $this->_createNewsletter();
+
+    $this->_createNewsletterOptions(
+      $newsletter->id,
+      [
+        'intervalType' => Scheduler::INTERVAL_IMMEDIATELY,
+        'schedule' => '* * * * *',
+      ]
+    );
+
+    $this->_removePostNotificationHooks();
+    register_post_type('post', ['exclude_from_search' => true]);
+    $hook->setupPostNotifications();
+
+    $post_data = [
+      'post_title' => 'title',
+      'post_status' => 'publish',
+    ];
+    wp_insert_post($post_data);
+
+    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)->findOne();
+    expect($queue)->equals(false);
+
+    $this->_removePostNotificationHooks();
+    register_post_type('post', ['exclude_from_search' => false]);
+    $hook->setupPostNotifications();
+
+    wp_insert_post($post_data);
+
+    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)->findOne();
+    expect($queue)->notequals(false);
+  }
+
+  function testSchedulerWontRunIfUnsentNotificationHistoryExists() {
+    $newsletter = $this->_createNewsletter();
+
+    $this->_createNewsletterOptions(
+      $newsletter->id,
+      [
+        'intervalType' => Scheduler::INTERVAL_IMMEDIATELY,
+        'schedule' => '* * * * *',
+      ]
+    );
+
+    $notification_history = Newsletter::create();
+    $notification_history->type = Newsletter::TYPE_NOTIFICATION_HISTORY;
+    $notification_history->status = Newsletter::STATUS_SENDING;
+    $notification_history->parent_id = $newsletter->id;
+    $notification_history->save();
+
+    $sending_task = SendingTask::create();
+    $sending_task->newsletter_id = $notification_history->id;
+    $sending_task->status = SendingQueue::STATUS_SCHEDULED;
+    $sending_task->save();
+
+    $post_data = [
+      'post_title' => 'title',
+      'post_status' => 'publish',
+    ];
+    wp_insert_post($post_data);
+
+    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)->findOne();
+    expect($queue)->equals(false);
+  }
+
+  function _removePostNotificationHooks() {
+    foreach (WPPosts::getTypes() as $post_type) {
+      remove_filter(
+        'publish_' . $post_type,
+        [$this->post_notification_scheduler, 'transitionHook'],
+        10
+      );
+    }
+  }
+
+  function _createNewsletter() {
+    $newsletter = Newsletter::create();
+    $newsletter->type = Newsletter::TYPE_NOTIFICATION;
+    $newsletter->status = Newsletter::STATUS_ACTIVE;
+    $newsletter->save();
+    expect($newsletter->getErrors())->false();
+    return $newsletter;
+  }
+
+  function _createNewsletterOptions($newsletter_id, $options) {
+    foreach ($options as $option => $value) {
+      $newsletter_option_field = NewsletterOptionField::where('name', $option)->findOne();
+      if (!$newsletter_option_field) {
+        $newsletter_option_field = NewsletterOptionField::create();
+        $newsletter_option_field->name = $option;
+        $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
+        $newsletter_option_field->save();
+        expect($newsletter_option_field->getErrors())->false();
+      }
+
+      $newsletter_option = NewsletterOption::create();
+      $newsletter_option->option_field_id = $newsletter_option_field->id;
+      $newsletter_option->newsletter_id = $newsletter_id;
+      $newsletter_option->value = $value;
+      $newsletter_option->save();
+      expect($newsletter_option->getErrors())->false();
+    }
+  }
+
+  function _after() {
+    Carbon::setTestNow();
+    \ORM::raw_execute('TRUNCATE ' . Newsletter::$_table);
+    \ORM::raw_execute('TRUNCATE ' . NewsletterOption::$_table);
+    \ORM::raw_execute('TRUNCATE ' . NewsletterOptionField::$_table);
+    \ORM::raw_execute('TRUNCATE ' . NewsletterPost::$_table);
+    \ORM::raw_execute('TRUNCATE ' . ScheduledTask::$_table);
+    \ORM::raw_execute('TRUNCATE ' . ScheduledTaskSubscriber::$_table);
+    \ORM::raw_execute('TRUNCATE ' . SendingQueue::$_table);
+    \ORM::raw_execute('TRUNCATE ' . Subscriber::$_table);
+  }
+
+
+
+}
--- a/tests/integration/Newsletter/Scheduler/SchedulerTest.php
+++ b/tests/integration/Newsletter/Scheduler/SchedulerTest.php
@ -78,201 +78,6 @@ class SchedulerTest extends \MailPoetTest {
      ->equals('2016-04-20 16:00:00');
  }

-  function testItCreatesPostNotificationSendingTask() {
-    $newsletter = $this->_createNewsletter();
-    $newsletter->schedule = '* 5 * * *';
-
-    // new queue record should be created
-    $queue = Scheduler::createPostNotificationSendingTask($newsletter);
-    expect(SendingQueue::findMany())->count(1);
-    expect($queue->newsletter_id)->equals($newsletter->id);
-    expect($queue->status)->equals(SendingQueue::STATUS_SCHEDULED);
-    expect($queue->scheduled_at)->equals(Scheduler::getNextRunDate('* 5 * * *'));
-    expect($queue->priority)->equals(SendingQueue::PRIORITY_MEDIUM);
-
-    // duplicate queue record should not be created
-    Scheduler::createPostNotificationSendingTask($newsletter);
-    expect(SendingQueue::findMany())->count(1);
-  }
-
-  function testItCreatesPostNotificationSendingTaskIfAPausedNotificationExists() {
-    $newsletter = $this->_createNewsletter();
-    $newsletter->schedule = '* 5 * * *';
-
-    // new queue record should be created
-    $queue_to_be_paused = Scheduler::createPostNotificationSendingTask($newsletter);
-    $queue_to_be_paused->task()->pause();
-
-    // another queue record should be created because the first one was paused
-    $newsletter->schedule = '* 10 * * *'; // different time to not clash with the first queue
-    $queue = Scheduler::createPostNotificationSendingTask($newsletter);
-    expect(SendingQueue::findMany())->count(2);
-    expect($queue->newsletter_id)->equals($newsletter->id);
-    expect($queue->status)->equals(SendingQueue::STATUS_SCHEDULED);
-    expect($queue->scheduled_at)->equals(Scheduler::getNextRunDate('* 10 * * *'));
-    expect($queue->priority)->equals(SendingQueue::PRIORITY_MEDIUM);
-
-    // duplicate queue record should not be created
-    Scheduler::createPostNotificationSendingTask($newsletter);
-    expect(SendingQueue::findMany())->count(2);
-  }
-
-  function tesIttDoesNotSchedulePostNotificationWhenNotificationWasAlreadySentForPost() {
-    $newsletter = $this->_createNewsletter();
-    $newsletter_post = NewsletterPost::create();
-    $newsletter_post->newsletter_id = $newsletter->id;
-    $newsletter_post->post_id = 10;
-    $newsletter_post->save();
-
-    // queue is not created when notification was already sent for the post
-    Scheduler::schedulePostNotification($post_id = 10);
-    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)
-      ->findOne();
-    expect($queue)->false();
-  }
-
-  function testItSchedulesPostNotification() {
-    $newsletter = $this->_createNewsletter();
-    $this->_createNewsletterOptions(
-      $newsletter->id,
-      Newsletter::TYPE_NOTIFICATION,
-      [
-        'schedule' => '0 5 * * *',
-      ]
-    );
-
-    // queue is created and scheduled for delivery one day later at 5 a.m.
-    Scheduler::schedulePostNotification($post_id = 10);
-    $current_time = Carbon::createFromTimestamp(current_time('timestamp'));
-    Carbon::setTestNow($current_time); // mock carbon to return current time
-    $next_run_date = ($current_time->hour < 5) ?
-      $current_time :
-      $current_time->addDay();
-    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)
-      ->findOne();
-    expect($queue->scheduled_at)->startsWith($next_run_date->format('Y-m-d 05:00'));
-  }
-
-  function testItProcessesPostNotificationScheduledForDailyDelivery() {
-    $newsletter_option_field = NewsletterOptionField::create();
-    $newsletter_option_field->name = 'schedule';
-    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
-    $newsletter_option_field->save();
-
-    // daily notification is scheduled at 14:00
-    $newsletter = (object)[
-      'id' => 1,
-      'intervalType' => Scheduler::INTERVAL_DAILY,
-      'monthDay' => null,
-      'nthWeekDay' => null,
-      'weekDay' => null,
-      'timeOfDay' => 50400, // 2 p.m.
-    ];
-    Scheduler::processPostNotificationSchedule($newsletter);
-    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
-      ->where('option_field_id', $newsletter_option_field->id)
-      ->findOne();
-    $current_time = 1483275600; // Sunday, 1 January 2017 @ 1:00pm (UTC)
-    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
-      ->equals('2017-01-01 14:00:00');
-  }
-
-  function testItProcessesPostNotificationScheduledForWeeklyDelivery() {
-    $newsletter_option_field = NewsletterOptionField::create();
-    $newsletter_option_field->name = 'schedule';
-    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
-    $newsletter_option_field->save();
-
-    // weekly notification is scheduled every Tuesday at 14:00
-    $newsletter = (object)[
-      'id' => 1,
-      'intervalType' => Scheduler::INTERVAL_WEEKLY,
-      'monthDay' => null,
-      'nthWeekDay' => null,
-      'weekDay' => Carbon::TUESDAY,
-      'timeOfDay' => 50400, // 2 p.m.
-    ];
-    Scheduler::processPostNotificationSchedule($newsletter);
-    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
-      ->where('option_field_id', $newsletter_option_field->id)
-      ->findOne();
-    $current_time = 1483275600; // Sunday, 1 January 2017 @ 1:00pm (UTC)
-    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
-      ->equals('2017-01-03 14:00:00');
-  }
-
-  function testItProcessesPostNotificationScheduledForMonthlyDeliveryOnSpecificDay() {
-    $newsletter_option_field = NewsletterOptionField::create();
-    $newsletter_option_field->name = 'schedule';
-    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
-    $newsletter_option_field->save();
-
-    // monthly notification is scheduled every 20th day at 14:00
-    $newsletter = (object)[
-      'id' => 1,
-      'intervalType' => Scheduler::INTERVAL_MONTHLY,
-      'monthDay' => 19, // 20th (count starts from 0)
-      'nthWeekDay' => null,
-      'weekDay' => null,
-      'timeOfDay' => 50400,// 2 p.m.
-    ];
-    Scheduler::processPostNotificationSchedule($newsletter);
-    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
-      ->where('option_field_id', $newsletter_option_field->id)
-      ->findOne();
-    $current_time = 1483275600; // Sunday, 1 January 2017 @ 1:00pm (UTC)
-    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
-      ->equals('2017-01-19 14:00:00');
-  }
-
-  function testItProcessesPostNotificationScheduledForMonthlyDeliveryOnLastWeekDay() {
-    $newsletter_option_field = NewsletterOptionField::create();
-    $newsletter_option_field->name = 'schedule';
-    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
-    $newsletter_option_field->save();
-
-    // monthly notification is scheduled every last Saturday at 14:00
-    $newsletter = (object)[
-      'id' => 1,
-      'intervalType' => Scheduler::INTERVAL_NTHWEEKDAY,
-      'monthDay' => null,
-      'nthWeekDay' => 'L', // L = last
-      'weekDay' => Carbon::SATURDAY,
-      'timeOfDay' => 50400,// 2 p.m.
-    ];
-    Scheduler::processPostNotificationSchedule($newsletter);
-    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
-      ->where('option_field_id', $newsletter_option_field->id)
-      ->findOne();
-    $current_time = 1485694800; // Sunday, 29 January 2017 @ 1:00pm (UTC)
-    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
-      ->equals('2017-02-25 14:00:00');
-  }
-
-  function testItProcessesPostNotificationScheduledForImmediateDelivery() {
-    $newsletter_option_field = NewsletterOptionField::create();
-    $newsletter_option_field->name = 'schedule';
-    $newsletter_option_field->newsletter_type = Newsletter::TYPE_NOTIFICATION;
-    $newsletter_option_field->save();
-
-    // notification is scheduled immediately (next minute)
-    $newsletter = (object)[
-      'id' => 1,
-      'intervalType' => Scheduler::INTERVAL_IMMEDIATELY,
-      'monthDay' => null,
-      'nthWeekDay' => null,
-      'weekDay' => null,
-      'timeOfDay' => null,
-    ];
-    Scheduler::processPostNotificationSchedule($newsletter);
-    $newsletter_option = NewsletterOption::where('newsletter_id', $newsletter->id)
-      ->where('option_field_id', $newsletter_option_field->id)
-      ->findOne();
-    $current_time = 1483275600; // Sunday, 1 January 2017 @ 1:00pm (UTC)
-    expect(Scheduler::getNextRunDate($newsletter_option->value, $current_time))
-      ->equals('2017-01-01 13:01:00');
-  }
-
  function testItCreatesScheduledAutomaticEmailSendingTaskForUser() {
    $newsletter = $this->_createNewsletter(Newsletter::TYPE_AUTOMATIC);
    $this->_createNewsletterOptions(
@ -439,91 +244,7 @@ class SchedulerTest extends \MailPoetTest {
      ->equals($current_time->addHours(2)->format('Y-m-d H:i'));
  }

-  function testUnsearchablePostTypeDoesNotSchedulePostNotification() {
-    $hook = ContainerWrapper::getInstance()->get(Hooks::class);
-
-    $newsletter = $this->_createNewsletter(Newsletter::TYPE_NOTIFICATION);
-
-    $this->_createNewsletterOptions(
-      $newsletter->id,
-      Newsletter::TYPE_NOTIFICATION,
-      [
-        'intervalType' => Scheduler::INTERVAL_IMMEDIATELY,
-        'schedule' => '* * * * *',
-      ]
-    );
-
-    $this->_removePostNotificationHooks();
-    register_post_type('post', ['exclude_from_search' => true]);
-    $hook->setupPostNotifications();
-
-    $post_data = [
-      'post_title' => 'title',
-      'post_status' => 'publish',
-    ];
-    wp_insert_post($post_data);
-
-    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)->findOne();
-    expect($queue)->equals(false);
-
-    $this->_removePostNotificationHooks();
-    register_post_type('post', ['exclude_from_search' => false]);
-    $hook->setupPostNotifications();
-
-    wp_insert_post($post_data);
-
-    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)->findOne();
-    expect($queue)->notequals(false);
-  }
-
-  function testSchedulerWontRunIfUnsentNotificationHistoryExists() {
-    $newsletter = $this->_createNewsletter(Newsletter::TYPE_NOTIFICATION);
-
-    $this->_createNewsletterOptions(
-      $newsletter->id,
-      Newsletter::TYPE_NOTIFICATION,
-      [
-        'intervalType' => Scheduler::INTERVAL_IMMEDIATELY,
-        'schedule' => '* * * * *',
-      ]
-    );
-
-    $notification_history = Newsletter::create();
-    $notification_history->type = Newsletter::TYPE_NOTIFICATION_HISTORY;
-    $notification_history->status = Newsletter::STATUS_SENDING;
-    $notification_history->parent_id = $newsletter->id;
-    $notification_history->save();
-
-    $sending_task = SendingTask::create();
-    $sending_task->newsletter_id = $notification_history->id;
-    $sending_task->status = SendingQueue::STATUS_SCHEDULED;
-    $sending_task->save();
-
-    $post_data = [
-      'post_title' => 'title',
-      'post_status' => 'publish',
-    ];
-    wp_insert_post($post_data);
-
-    $queue = SendingQueue::findTaskByNewsletterId($newsletter->id)->findOne();
-    expect($queue)->equals(false);
-  }
-
-  function _createQueue(
-    $newsletter_id,
-    $scheduled_at = null,
-    $status = SendingQueue::STATUS_SCHEDULED
-  ) {
-    $queue = SendingTask::create();
-    $queue->status = $status;
-    $queue->newsletter_id = $newsletter_id;
-    $queue->scheduled_at = $scheduled_at;
-    $queue->save();
-    expect($queue->getErrors())->false();
-    return $queue;
-  }
-
-  function _createNewsletter(
+  private function _createNewsletter(
    $type = Newsletter::TYPE_NOTIFICATION,
    $status = Newsletter::STATUS_ACTIVE
  ) {
@ -535,7 +256,7 @@ class SchedulerTest extends \MailPoetTest {
    return $newsletter;
  }

-  function _createNewsletterOptions($newsletter_id, $newsletter_type, $options) {
+  private function _createNewsletterOptions($newsletter_id, $newsletter_type, $options) {
    foreach ($options as $option => $value) {
      $newsletter_option_field = NewsletterOptionField::where('name', $option)->findOne();
      if (!$newsletter_option_field) {
@ -555,16 +276,6 @@ class SchedulerTest extends \MailPoetTest {
    }
  }

-  function _removePostNotificationHooks() {
-    foreach (WPPosts::getTypes() as $post_type) {
-      remove_filter(
-        'publish_' . $post_type,
-        '\MailPoet\Newsletter\Scheduler\Scheduler::transitionHook',
-        10, 1
-      );
-    }
-  }
-
  function _after() {
    Carbon::setTestNow();
    \ORM::raw_execute('TRUNCATE ' . Newsletter::$_table);