init: technical-visualization-haness 하네스 설계

tests/test_renderers.py

@@ -0,0 +1,48 @@
+from __future__ import annotations
+
+import json
+import tempfile
+import unittest
+import xml.etree.ElementTree as ET
+from pathlib import Path
+
+from techviz.layout import build_layout
+from techviz.renderers import render_formats
+from techviz.spec import load_spec
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+class RendererTests(unittest.TestCase):
+    def test_all_builtin_outputs_are_parseable(self) -> None:
+        spec = load_spec(ROOT / "examples/work/payment/spec.json")
+        layout = build_layout(spec)
+        with tempfile.TemporaryDirectory() as tmp:
+            outputs = render_formats(
+                spec,
+                layout,
+                tmp,
+                ["svg", "mermaid", "d2", "dot", "drawio", "excalidraw", "a11y"],
+            )
+            by_suffix = {path.suffix: path for path in outputs}
+            ET.parse(by_suffix[".svg"])
+            ET.parse(by_suffix[".drawio"])
+            excalidraw = json.loads(by_suffix[".excalidraw"].read_text(encoding="utf-8"))
+            self.assertEqual(excalidraw["type"], "excalidraw")
+            self.assertGreater(len(excalidraw["elements"]), 0)
+            self.assertIn("flowchart LR", by_suffix[".mmd"].read_text(encoding="utf-8"))
+            self.assertIn("direction: right", by_suffix[".d2"].read_text(encoding="utf-8"))
+            self.assertIn("digraph techviz", by_suffix[".dot"].read_text(encoding="utf-8"))
+            alt_file = next(path for path in outputs if path.name.endswith(".alt.md"))
+            self.assertIn("## Long description", alt_file.read_text(encoding="utf-8"))
+
+    def test_layout_is_deterministic(self) -> None:
+        spec = load_spec(ROOT / "examples/work/payment/spec.json")
+        first = build_layout(spec)
+        second = build_layout(spec)
+        self.assertEqual(first, second)
+
+
+if __name__ == "__main__":
+    unittest.main()