McRogueFace/tests/issue_76_test.py

88 lines
3.0 KiB
Python

#!/usr/bin/env python3
"""
Test for Issue #76: UIEntityCollection::getitem returns wrong type for derived classes
This test checks if derived Entity classes maintain their type when retrieved from collections.
"""
import mcrfpy
import sys
# Create a derived Entity class
class CustomEntity(mcrfpy.Entity):
def __init__(self, x, y):
super().__init__(x, y)
self.custom_attribute = "I am custom!"
def custom_method(self):
return "Custom method called"
def run_test(runtime):
"""Test that derived entity classes maintain their type in collections"""
try:
# Create a grid
grid = mcrfpy.Grid(10, 10)
# Create instances of base and derived entities
base_entity = mcrfpy.Entity(1, 1)
custom_entity = CustomEntity(2, 2)
# Add them to the grid's entity collection
grid.entities.append(base_entity)
grid.entities.append(custom_entity)
# Retrieve them back
retrieved_base = grid.entities[0]
retrieved_custom = grid.entities[1]
print(f"Base entity type: {type(retrieved_base)}")
print(f"Custom entity type: {type(retrieved_custom)}")
# Test 1: Check if base entity is correct type
if type(retrieved_base).__name__ == "Entity":
print("✓ Test 1 PASSED: Base entity maintains correct type")
else:
print("✗ Test 1 FAILED: Base entity has wrong type")
# Test 2: Check if custom entity maintains its derived type
if type(retrieved_custom).__name__ == "CustomEntity":
print("✓ Test 2 PASSED: Derived entity maintains correct type")
# Test 3: Check if custom attributes are preserved
try:
attr = retrieved_custom.custom_attribute
method_result = retrieved_custom.custom_method()
print(f"✓ Test 3 PASSED: Custom attributes preserved - {attr}, {method_result}")
except AttributeError as e:
print(f"✗ Test 3 FAILED: Custom attributes lost - {e}")
else:
print("✗ Test 2 FAILED: Derived entity type lost!")
print("This is the bug described in Issue #76!")
# Try to access custom attributes anyway
try:
attr = retrieved_custom.custom_attribute
print(f" - Has custom_attribute: {attr} (but wrong type)")
except AttributeError:
print(" - Lost custom_attribute")
# Test 4: Check iteration
print("\nTesting iteration:")
for i, entity in enumerate(grid.entities):
print(f" Entity {i}: {type(entity).__name__}")
print("\nTest complete")
except Exception as e:
print(f"Test error: {e}")
import traceback
traceback.print_exc()
sys.exit(0)
# Set up the test scene
mcrfpy.createScene("test")
mcrfpy.setScene("test")
# Schedule test to run after game loop starts
mcrfpy.setTimer("test", run_test, 100)