Simple test suite added

tests/unit/test_graphviz_util.py

@@ -0,0 +1,14 @@
+from __future__ import annotations
+
+import pytest
+
+from bedit_core.models import Document
+from bedit_util.graphviz import document_to_dot
+
+
+@pytest.mark.unit
+def test_dot_contains_component_name_path(minimal_document: Document) -> None:
+    dot = document_to_dot(minimal_document, "Root")
+
+    assert 'label="Root"' in dot
+    assert 'xlabel="Root"' in dot