unit test for create text that it creates a root node as well.

refactor to setUp as well

tests/Unit/Text/UseCases/CreateTextTest.php

@@ -7,19 +7,48 @@ use App\Text\TextRepository;
 use App\Text\UseCases\CreateText;
 use App\Text\UseCases\CreateTextRequest;
 use PHPUnit\Framework\TestCase;
+use Tests\Fakes\FakeNodeRepository;
 use Tests\Fakes\FakeTextRepository;
 
 class CreateTextTest extends TestCase
 {
+    private FakeTextRepository $textRepo;
+
+    private FakeNodeRepository $nodeRepo;
+
+    private CreateText $useCase;
+
+    protected function setUp(): void
+    {
+        $this->textRepo = new FakeTextRepository;
+        $this->nodeRepo = new FakeNodeRepository;
+        $this->useCase = new CreateText(
+            $this->textRepo,
+            $this->nodeRepo,
+        );
+    }
+
     public function test_create_text(): void
     {
-        $textRepo = new FakeTextRepository;
+        $text = $this->useCase->execute(new CreateTextRequest(
-        $useCase = new CreateText($textRepo);
-        $text = $useCase->execute(new CreateTextRequest(
             name: 'test',
         ));
-        $this->assertInstanceOf(TextRepository::class, $textRepo);
+        $this->assertInstanceOf(TextRepository::class, $this->textRepo);
         $this->assertInstanceOf(Text::class, $text);
         $this->assertEquals('test', $text->getName());
     }
+
+    public function test_creates_root_node_on_text_creation(): void
+    {
+        $text = $this->useCase->execute(new CreateTextRequest(
+            name: 'my text',
+        ));
+
+        $nodes = $this->nodeRepo->findByTextId($text->getId());
+        $this->assertCount(1, $nodes);
+
+        $rootNode = array_values($nodes)[0];
+        $this->assertEquals('my text', $rootNode->getTitle());
+        $this->assertNull($rootNode->getParentNode());
+    }
 }