test and impl that only one root node exists per text

in practice this means only one node with a null parentNode
2026-02-21 22:44:18 +02:00 · 2026-02-21 22:44:18 +02:00 · d1eb648b73
commit d1eb648b73
parent 4f83ae7926
2 changed files with 37 additions and 0 deletions
--- a/tests/Unit/Node/UseCases/CreateNodeTest.php
+++ b/tests/Unit/Node/UseCases/CreateNodeTest.php
@ -95,4 +95,20 @@ class CreateNodeTest extends TestCase
            parentNodeId: 0,
        ));
    }
+
+    public function test_one_root_node_per_text(): void
+    {
+        $this->expectException(DomainException::class);
+        $this->expectExceptionMessage('A root node already exists for this text');
+        $this->useCase->execute(new CreateNodeRequest(
+            textId: 0,
+            title: 'test',
+            parentNodeId: null,
+        ));
+        $this->useCase->execute(new CreateNodeRequest(
+            textId: 0,
+            title: 'test',
+            parentNodeId: null,
+        ));
+    }
 }