tests for the last few issues (these test scripts should work with recent APIs, while the rest of the test suite needs an overhaul)

tests/issue_177_gridpoint_grid_pos_test.py

@@ -0,0 +1,83 @@
+#!/usr/bin/env python3
+"""Test for issue #177: GridPoint.grid_pos property
+
+Verifies that GridPoint objects have a grid_pos property that returns
+the (grid_x, grid_y) coordinates as a tuple.
+"""
+import mcrfpy
+import sys
+
+print("Starting test...")
+
+# Create a simple grid without texture (should work in headless mode)
+grid = mcrfpy.Grid(grid_x=10, grid_y=8)
+print(f"Created grid: {grid}")
+
+# Test various grid positions
+test_cases = [
+    (0, 0),
+    (5, 3),
+    (9, 7),
+    (0, 7),
+    (9, 0),
+]
+
+all_passed = True
+for x, y in test_cases:
+    point = grid.at(x, y)
+    print(f"Got point at ({x}, {y}): {point}")
+
+    # Check that grid_pos property exists and returns correct value
+    if not hasattr(point, 'grid_pos'):
+        print(f"FAIL: GridPoint at ({x}, {y}) has no 'grid_pos' attribute")
+        all_passed = False
+        continue
+
+    grid_pos = point.grid_pos
+
+    # Verify it's a tuple
+    if not isinstance(grid_pos, tuple):
+        print(f"FAIL: grid_pos is {type(grid_pos).__name__}, expected tuple")
+        all_passed = False
+        continue
+
+    # Verify it has correct length
+    if len(grid_pos) != 2:
+        print(f"FAIL: grid_pos has length {len(grid_pos)}, expected 2")
+        all_passed = False
+        continue
+
+    # Verify correct values
+    if grid_pos != (x, y):
+        print(f"FAIL: grid_pos = {grid_pos}, expected ({x}, {y})")
+        all_passed = False
+        continue
+
+    print(f"OK: GridPoint at ({x}, {y}) has grid_pos = {grid_pos}")
+
+# Test that grid_pos is read-only (should raise AttributeError)
+point = grid.at(2, 3)
+try:
+    point.grid_pos = (5, 5)
+    print("FAIL: grid_pos should be read-only but allowed assignment")
+    all_passed = False
+except AttributeError:
+    print("OK: grid_pos is read-only (raises AttributeError on assignment)")
+except Exception as e:
+    print(f"FAIL: Unexpected exception on assignment: {type(e).__name__}: {e}")
+    all_passed = False
+
+# Verify the repr includes the coordinates
+point = grid.at(4, 6)
+repr_str = repr(point)
+if "(4, 6)" in repr_str:
+    print(f"OK: repr includes coordinates: {repr_str}")
+else:
+    print(f"Note: repr format: {repr_str}")
+
+if all_passed:
+    print("PASS")
+    sys.exit(0)
+else:
+    print("FAIL")
+    sys.exit(1)