#!/usr/bin/env python3 """ Test for Python object cache - verifies that derived Python classes maintain their identity when stored in and retrieved from collections. Issue #112: Object Splitting - Preserve Python derived types in collections """ import mcrfpy import sys # Test setup test_passed = True test_results = [] def test(condition, message): global test_passed if condition: test_results.append(f"✓ {message}") else: test_results.append(f"✗ {message}") test_passed = False def run_tests(runtime): """Timer callback to run tests after game loop starts""" global test_passed print("\n=== Testing Python Object Cache ===") # Test 1: Create derived Frame class class MyFrame(mcrfpy.Frame): def __init__(self, x=0, y=0): super().__init__(pos=(x, y), size=(100, 100)) self.custom_data = "I am a custom frame" self.test_value = 42 # Test 2: Create instance and add to scene frame = MyFrame(50, 50) scene_ui = mcrfpy.sceneUI("test_scene") scene_ui.append(frame) # Test 3: Retrieve from collection and check type retrieved = scene_ui[0] test(type(retrieved) == MyFrame, "Retrieved object maintains derived type") test(isinstance(retrieved, MyFrame), "isinstance check passes") test(hasattr(retrieved, 'custom_data'), "Custom attribute exists") if hasattr(retrieved, 'custom_data'): test(retrieved.custom_data == "I am a custom frame", "Custom attribute value preserved") if hasattr(retrieved, 'test_value'): test(retrieved.test_value == 42, "Numeric attribute value preserved") # Test 4: Check object identity (same Python object) test(retrieved is frame, "Retrieved object is the same Python object") test(id(retrieved) == id(frame), "Object IDs match") # Test 5: Multiple retrievals return same object retrieved2 = scene_ui[0] test(retrieved2 is retrieved, "Multiple retrievals return same object") # Test 6: Test with other UI types class MySprite(mcrfpy.Sprite): def __init__(self): # Use default texture by passing None super().__init__(texture=None, sprite_index=0) self.sprite_data = "custom sprite" sprite = MySprite() sprite.x = 200 sprite.y = 200 scene_ui.append(sprite) retrieved_sprite = scene_ui[1] test(type(retrieved_sprite) == MySprite, "Sprite maintains derived type") if hasattr(retrieved_sprite, 'sprite_data'): test(retrieved_sprite.sprite_data == "custom sprite", "Sprite custom data preserved") # Test 7: Test with Caption class MyCaption(mcrfpy.Caption): def __init__(self, text): # Use default font by passing None super().__init__(text=text, font=None) self.caption_id = "test_caption" caption = MyCaption("Test Caption") caption.x = 10 caption.y = 10 scene_ui.append(caption) retrieved_caption = scene_ui[2] test(type(retrieved_caption) == MyCaption, "Caption maintains derived type") if hasattr(retrieved_caption, 'caption_id'): test(retrieved_caption.caption_id == "test_caption", "Caption custom data preserved") # Test 8: Test removal and re-addition # Use del to remove by index (Python standard), or .remove(element) to remove by value print(f"before remove: {len(scene_ui)=}") del scene_ui[-1] # Remove last element by index print(f"after remove: {len(scene_ui)=}") scene_ui.append(frame) retrieved3 = scene_ui[-1] # Get last element test(retrieved3 is frame, "Object identity preserved after removal/re-addition") # Test 9: Test with Grid class MyGrid(mcrfpy.Grid): def __init__(self, w, h): super().__init__(grid_size=(w, h)) self.grid_name = "custom_grid" grid = MyGrid(10, 10) grid.x = 300 grid.y = 100 scene_ui.append(grid) retrieved_grid = scene_ui[-1] test(type(retrieved_grid) == MyGrid, "Grid maintains derived type") if hasattr(retrieved_grid, 'grid_name'): test(retrieved_grid.grid_name == "custom_grid", "Grid custom data preserved") # Test 10: Test with nested collections (Frame with children) parent = MyFrame(400, 400) child = MyFrame(10, 10) child.custom_data = "I am a child" parent.children.append(child) scene_ui.append(parent) retrieved_parent = scene_ui[-1] test(type(retrieved_parent) == MyFrame, "Parent frame maintains type") if len(retrieved_parent.children) > 0: retrieved_child = retrieved_parent.children[0] test(type(retrieved_child) == MyFrame, "Child frame maintains type in nested collection") if hasattr(retrieved_child, 'custom_data'): test(retrieved_child.custom_data == "I am a child", "Child custom data preserved") # Print results print("\n=== Test Results ===") for result in test_results: print(result) print(f"\n{'PASS' if test_passed else 'FAIL'}: {sum(1 for r in test_results if r.startswith('✓'))}/{len(test_results)} tests passed") sys.exit(0 if test_passed else 1) # Create test scene mcrfpy.createScene("test_scene") mcrfpy.setScene("test_scene") # Schedule tests to run after game loop starts mcrfpy.setTimer("test", run_tests, 100) print("Python object cache test initialized. Running tests...")