Improve test coverage.

app/Repositories/Recurring/RecurringRepository.php

@@ -28,6 +28,7 @@ use FireflyIII\Exceptions\FireflyException;
 use FireflyIII\Factory\RecurrenceFactory;
 use FireflyIII\Helpers\Collector\GroupCollectorInterface;
 use FireflyIII\Models\Note;
+use FireflyIII\Models\PiggyBank;
 use FireflyIII\Models\Preference;
 use FireflyIII\Models\Recurrence;
 use FireflyIII\Models\RecurrenceMeta;
@@ -208,6 +209,24 @@ class RecurringRepository implements RecurringRepositoryInterface
         return '';
     }
 
+    /**
+     * @param Recurrence $recurrence
+     * @return PiggyBank|null
+     */
+    public function getPiggyBank(Recurrence $recurrence): ?PiggyBank
+    {
+        $meta = $recurrence->recurrenceMeta;
+        /** @var RecurrenceMeta $metaEntry */
+        foreach ($meta as $metaEntry) {
+            if ('piggy_bank_id' === $metaEntry->name) {
+                $piggyId = (int)$metaEntry->value;
+                return $this->user->piggyBanks()->where('id', $piggyId)->first(['piggy_banks.*']);
+            }
+        }
+
+        return null;
+    }
+
     /**
      * Generate events in the date range.
      *

app/Repositories/Recurring/RecurringRepositoryInterface.php

@@ -25,6 +25,7 @@ namespace FireflyIII\Repositories\Recurring;
 
 use Carbon\Carbon;
 use FireflyIII\Exceptions\FireflyException;
+use FireflyIII\Models\PiggyBank;
 use FireflyIII\Models\Recurrence;
 use FireflyIII\Models\RecurrenceRepetition;
 use FireflyIII\Models\RecurrenceTransaction;
@@ -114,12 +115,16 @@ interface RecurringRepositoryInterface
      * @param Carbon               $start
      * @param Carbon               $end
      *
-     * @throws FireflyException
-     *
      * @return array
      */
     public function getOccurrencesInRange(RecurrenceRepetition $repetition, Carbon $start, Carbon $end): array;
 
+    /**
+     * @param Recurrence $recurrence
+     * @return PiggyBank|null
+     */
+    public function getPiggyBank(Recurrence $recurrence): ?PiggyBank;
+
     /**
      * Get the tags from the recurring transaction.
      *