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/test_tab.py

@@ -0,0 +1,57 @@
+from models.tab import Tab
+import os
+
+def test_tab():
+    """Test Tab model CRUD operations."""
+    # Clean up any existing test file
+    if os.path.exists("Tab.json"):
+        os.remove("Tab.json")
+    
+    tabs = Tab()
+    
+    print("Testing create tab")
+    tab_id = tabs.create("test_tab", ["1", "2", "3"], ["preset1", "preset2"])
+    print(f"Created tab with ID: {tab_id}")
+    assert tab_id is not None
+    assert tab_id in tabs
+    
+    print("\nTesting read tab")
+    tab = tabs.read(tab_id)
+    print(f"Read: {tab}")
+    assert tab is not None
+    assert tab["name"] == "test_tab"
+    assert len(tab["names"]) == 3
+    assert len(tab["presets"]) == 2
+    
+    print("\nTesting update tab")
+    update_data = {
+        "name": "updated_tab",
+        "names": ["4", "5"],
+        "presets": ["preset3"]
+    }
+    result = tabs.update(tab_id, update_data)
+    assert result is True
+    updated = tabs.read(tab_id)
+    assert updated["name"] == "updated_tab"
+    assert len(updated["names"]) == 2
+    assert len(updated["presets"]) == 1
+    
+    print("\nTesting list tabs")
+    tab_list = tabs.list()
+    print(f"Tab list: {tab_list}")
+    assert tab_id in tab_list
+    
+    print("\nTesting delete tab")
+    deleted = tabs.delete(tab_id)
+    assert deleted is True
+    assert tab_id not in tabs
+    
+    print("\nTesting read after delete")
+    tab = tabs.read(tab_id)
+    assert tab is None
+    
+    print("\nAll tab tests passed!")
+
+
+if __name__ == '__main__':
+    test_tab()