Add comprehensive model tests

- Add tests for all model CRUD operations
- Add test for base Model class
- Add test runner for all model tests
- Tests include cleanup and validation

tests/models/run_all.py

@@ -0,0 +1,60 @@
+"""Run all model tests."""
+import sys
+import os
+
+# Add src to path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), '../../src'))
+
+from test_model import test_model
+from test_preset import test_preset
+from test_profile import test_profile
+from test_group import test_group
+from test_sequence import test_sequence
+from test_tab import test_tab
+from test_palette import test_palette
+
+def run_all_tests():
+    """Run all model tests."""
+    print("=" * 60)
+    print("Running Model Tests")
+    print("=" * 60)
+    
+    tests = [
+        ("Base Model", test_model),
+        ("Preset", test_preset),
+        ("Profile", test_profile),
+        ("Group", test_group),
+        ("Sequence", test_sequence),
+        ("Tab", test_tab),
+        ("Palette", test_palette),
+    ]
+    
+    passed = 0
+    failed = 0
+    
+    for name, test_func in tests:
+        print(f"\n{'=' * 60}")
+        print(f"Testing {name}")
+        print('=' * 60)
+        try:
+            test_func()
+            print(f"\n✓ {name} tests passed!")
+            passed += 1
+        except AssertionError as e:
+            print(f"\n✗ {name} tests failed: {e}")
+            failed += 1
+        except Exception as e:
+            print(f"\n✗ {name} tests error: {e}")
+            import traceback
+            traceback.print_exc()
+            failed += 1
+    
+    print(f"\n{'=' * 60}")
+    print(f"Test Summary: {passed} passed, {failed} failed")
+    print('=' * 60)
+    
+    return failed == 0
+
+if __name__ == '__main__':
+    success = run_all_tests()
+    sys.exit(0 if success else 1)