refactor: move attendees into the fake repository

src/EventRepository.php

@@ -2,7 +2,9 @@
 
 namespace App;
 
+use Tightenco\Collect\Support\Collection;
+
 interface EventRepository
 {
-    public function getConfirmedAttendees(): array;
+    public function getConfirmedAttendees(): Collection;
 }

tests/FakeEventRepository.php

@@ -5,10 +5,15 @@ declare(strict_types=1);
 namespace App\Tests;
 
 use App\EventRepository;
+use Tightenco\Collect\Support\Collection;
 
 final class FakeEventRepository implements EventRepository
 {
-    public function getConfirmedAttendees(): array {
+    public function getConfirmedAttendees(): Collection {
-        return [];
+        return Collection::make([
+            ['name' => 'matthew s.'],
+            ['name' => 'Michael P.'],
+            ['name' => 'Kathryn "Kat" R.'],
+        ]);
     }
 }

tests/FakeEventRepositoryTest.php

@@ -3,17 +3,13 @@
 namespace App\Tests;
 
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
-use Tightenco\Collect\Support\Collection;
 
 final class FakeEventRepositoryTest extends KernelTestCase
 {
     /** @test */
     public function should_only_return_attendees_with_a_yes_rsvp(): void {
-        $attendees = Collection::make([
+        $repository = new FakeEventRepository();
-            ['name' => 'matthew s.'],
+        $attendees = $repository->getConfirmedAttendees();
-            ['name' => 'Michael P.'],
-            ['name' => 'Kathryn "Kat" R.'],
-        ]);
 
         $this->assertCount(3, $attendees->pluck('name'));
     }