Improve some test coverage.

app/Handlers/Events/UserEventHandler.php

@@ -25,11 +25,11 @@ namespace FireflyIII\Handlers\Events;
 use FireflyIII\Events\RegisteredUser;
 use FireflyIII\Events\RequestedNewPassword;
 use FireflyIII\Events\UserChangedEmail;
+use FireflyIII\Factories\RoleFactory;
 use FireflyIII\Mail\ConfirmEmailChangeMail;
 use FireflyIII\Mail\RegisteredUser as RegisteredUserMail;
 use FireflyIII\Mail\RequestedNewPassword as RequestedNewPasswordMail;
 use FireflyIII\Mail\UndoEmailChangeMail;
-use FireflyIII\Models\Role;
 use FireflyIII\Repositories\User\UserRepositoryInterface;
 use FireflyIII\User;
 use Illuminate\Auth\Events\Login;
@@ -74,11 +74,12 @@ class UserEventHandler
      */
     public function checkSingleUserIsAdmin(Login $event): bool
     {
-        Log::debug('In checkSingleUserIsAdmin');
+        /** @var UserRepositoryInterface $repository */
+        $repository = app(UserRepositoryInterface::class);
 
         /** @var User $user */
         $user  = $event->user;
-        $count = User::count();
+        $count = $repository->count();
 
         if ($count > 1) {
             // if more than one user, do nothing.
@@ -93,17 +94,16 @@ class UserEventHandler
             return true;
         }
         // user is the only user but does not have role "owner".
-        $role = Role::where('name', 'owner')->first();
+        $role = $repository->getRole('owner');
         if (is_null($role)) {
             // create role, does not exist. Very strange situation so let's raise a big fuss about it.
-            $role = Role::create(['name' => 'owner', 'display_name' => 'Site Owner', 'description' => 'User runs this instance of FF3']);
+            $role = $repository->createRole('owner', 'Site Owner', 'User runs this instance of FF3');
             Log::error('Could not find role "owner". This is weird.');
         }
 
         Log::info(sprintf('Gave user #%d role #%d ("%s")', $user->id, $role->id, $role->name));
         // give user the role
-        $user->attachRole($role);
-        $user->save();
+        $repository->attachRole($user, 'owner');
 
         return true;
     }

app/Repositories/User/UserRepository.php

@@ -128,6 +128,18 @@ class UserRepository implements UserRepositoryInterface
         return $this->all()->count();
     }
 
+    /**
+     * @param string $name
+     * @param string $displayName
+     * @param string $description
+     *
+     * @return Role
+     */
+    public function createRole(string $name, string $displayName, string $description): Role
+    {
+        return Role::create(['name' => $name, 'display_name' => $displayName, 'description' => $description]);
+    }
+
     /**
      * @param User $user
      *
@@ -178,6 +190,16 @@ class UserRepository implements UserRepositoryInterface
         return User::first();
     }
 
+    /**
+     * @param string $role
+     *
+     * @return Role|null
+     */
+    public function getRole(string $role): ?Role
+    {
+        return Role::where('name', $role)->first();
+    }
+
     /**
      * Return basic user information.
      *

app/Repositories/User/UserRepositoryInterface.php

@@ -22,6 +22,7 @@ declare(strict_types=1);
 
 namespace FireflyIII\Repositories\User;
 
+use FireflyIII\Models\Role;
 use FireflyIII\User;
 use Illuminate\Support\Collection;
 
@@ -30,6 +31,15 @@ use Illuminate\Support\Collection;
  */
 interface UserRepositoryInterface
 {
+
+    /**
+     * @param string $name
+     * @param string $displayName
+     * @param string $description
+     *
+     * @return Role
+     */
+    public function createRole(string $name, string $displayName, string $description): Role;
     /**
      * Returns a collection of all users.
      *
@@ -37,6 +47,13 @@ interface UserRepositoryInterface
      */
     public function all(): Collection;
 
+    /**
+     * @param string $role
+     *
+     * @return Role|null
+     */
+    public function getRole(string $role): ?Role;
+
     /**
      * Gives a user a role.
      *