Expand tests, do code cleanup.

app/Import/FileProcessor/CsvProcessor.php

@@ -70,6 +70,7 @@ class CsvProcessor implements FileProcessorInterface
      * Does the actual job.
      *
      * @return bool
+     * @throws \League\Csv\Exception
      */
     public function run(): bool
     {
@@ -159,6 +160,9 @@ class CsvProcessor implements FileProcessorInterface
 
     /**
      * @return Iterator
+     * @throws \League\Csv\Exception
+     * @throws \League\Csv\Exception
+     * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
      */
     private function getImportArray(): Iterator
     {
@@ -275,6 +279,7 @@ class CsvProcessor implements FileProcessorInterface
      * @param array $array
      *
      * @return bool
+     * @throws FireflyException
      */
     private function rowAlreadyImported(array $array): bool
     {

app/Import/Object/ImportCategory.php

@@ -28,6 +28,9 @@ use FireflyIII\User;
 use Illuminate\Support\Collection;
 use Log;
 
+/**
+ * Class ImportCategory
+ */
 class ImportCategory
 {
     /** @var Category */

app/Import/Object/ImportCurrency.php

@@ -27,6 +27,9 @@ use FireflyIII\Repositories\Currency\CurrencyRepositoryInterface;
 use FireflyIII\User;
 use Log;
 
+/**
+ * Class ImportCurrency
+ */
 class ImportCurrency
 {
     /** @var array */

app/Import/Prerequisites/BunqPrerequisites.php

@@ -155,6 +155,7 @@ class BunqPrerequisites implements PrerequisitesInterface
      * @return DeviceServerId
      *
      * @throws FireflyException
+     * @throws \Exception
      */
     private function getExistingDevice(): DeviceServerId
     {
@@ -292,6 +293,10 @@ class BunqPrerequisites implements PrerequisitesInterface
      * - Use this token to send a device server request
      * - Store the installation token
      * - Use the installation token each time we need a session.
+     *
+     * @throws FireflyException
+     * @throws FireflyException
+     * @throws \Exception
      */
     private function registerDevice(): DeviceServerId
     {

app/Import/Prerequisites/PrerequisitesInterface.php

@@ -26,6 +26,11 @@ use FireflyIII\User;
 use Illuminate\Http\Request;
 use Illuminate\Support\MessageBag;
 
+/**
+ * Interface PrerequisitesInterface
+ *
+ * @package FireflyIII\Import\Prerequisites
+ */
 interface PrerequisitesInterface
 {
     /**

app/Import/Routine/RoutineInterface.php

@@ -25,6 +25,11 @@ namespace FireflyIII\Import\Routine;
 use FireflyIII\Models\ImportJob;
 use Illuminate\Support\Collection;
 
+/**
+ * Interface RoutineInterface
+ *
+ * @package FireflyIII\Import\Routine
+ */
 interface RoutineInterface
 {
     /**

app/Import/Storage/ImportSupport.php

@@ -408,6 +408,12 @@ trait ImportSupport
         }
     }
 
+    /**
+     * @param array $parameters
+     *
+     * @return TransactionJournal
+     * @throws FireflyException
+     */
     private function storeJournal(array $parameters): TransactionJournal
     {
         // find transaction type: