tests: make structure tests runnable with unittest

Author: OgeonX-Ai

tests/test_required_structure.py

@@ -1,23 +1,40 @@
+import unittest
 from pathlib import Path
 
 ROOT = Path(__file__).resolve().parents[1]
 
 
-def test_required_files_exist():
-    required = [
-        'README.md',
-        'CONTRIBUTING.md',
-        'SECURITY.md',
-        'GOVERNANCE.md',
-        'VERSIONING.md',
-        'docs/methodology/continuous-improvement-loop.md',
-        'docs/loops/feature.md',
-        'prompts/master-system-prompt.md',
-    ]
-    missing = [p for p in required if not (ROOT / p).exists()]
-    assert not missing
+class RequiredStructureTests(unittest.TestCase):
+    def test_required_files_exist(self):
+        required = [
+            'README.md',
+            'CONTRIBUTING.md',
+            'SECURITY.md',
+            'GOVERNANCE.md',
+            'VERSIONING.md',
+            'docs/methodology/continuous-improvement-loop.md',
+            'docs/loops/feature.md',
+            'prompts/master-system-prompt.md',
+            'wiki/Home.md',
+        ]
+        missing = [p for p in required if not (ROOT / p).exists()]
+        self.assertEqual([], missing)
 
+    def test_markdown_files_have_titles(self):
+        for path in ROOT.rglob('*.md'):
+            text = path.read_text(encoding='utf-8')
+            self.assertTrue(text.lstrip().startswith('#'), str(path.relative_to(ROOT)))
 
-def test_markdown_files_have_titles():
-    for path in ROOT.rglob('*.md'):
-        assert path.read_text(encoding='utf-8').lstrip().startswith('#'), path
+    def test_key_docs_have_mermaid(self):
+        required = [
+            'docs/methodology/continuous-improvement-loop.md',
+            'docs/diagrams/README.md',
+            'docs/loops/feature.md',
+            'wiki/Home.md',
+        ]
+        missing = [p for p in required if '```mermaid' not in (ROOT / p).read_text(encoding='utf-8')]
+        self.assertEqual([], missing)
+
+
+if __name__ == '__main__':
+    unittest.main()