3D / voxel unit tests

tests/unit/integration_api_test.py

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+# integration_api_test.py - Test Milestone 8 API additions
+# Tests: Entity3D.follow_path, .is_moving, .clear_path
+#        Viewport3D.screen_to_world, .follow
+
+import mcrfpy
+import sys
+
+print("Testing Milestone 8 API additions...")
+
+# Create test scene
+scene = mcrfpy.Scene("test")
+
+# Create viewport
+viewport = mcrfpy.Viewport3D(
+    pos=(0, 0),
+    size=(800, 600),
+    render_resolution=(320, 240),
+    fov=60.0,
+    camera_pos=(10.0, 10.0, 10.0),
+    camera_target=(5.0, 0.0, 5.0)
+)
+scene.children.append(viewport)
+
+# Set up navigation grid
+viewport.set_grid_size(20, 20)
+
+# Create entity
+entity = mcrfpy.Entity3D(pos=(5, 5))
+viewport.entities.append(entity)
+
+# Test 1: is_moving property (should be False initially)
+print(f"Test 1: is_moving = {entity.is_moving}")
+assert entity.is_moving == False, "Entity should not be moving initially"
+print("  PASS: is_moving is False initially")
+
+# Test 2: follow_path method
+path = [(6, 5), (7, 5), (8, 5)]
+entity.follow_path(path)
+print(f"Test 2: follow_path({path})")
+# After follow_path, entity should be moving (or at least have queued moves)
+print(f"  is_moving after follow_path = {entity.is_moving}")
+assert entity.is_moving == True, "Entity should be moving after follow_path"
+print("  PASS: follow_path queued movement")
+
+# Test 3: clear_path method
+entity.clear_path()
+print("Test 3: clear_path()")
+print(f"  is_moving after clear_path = {entity.is_moving}")
+# Note: is_moving may still be True if animation is in progress
+print("  PASS: clear_path executed without error")
+
+# Test 4: screen_to_world
+world_pos = viewport.screen_to_world(400, 300)
+print(f"Test 4: screen_to_world(400, 300) = {world_pos}")
+if world_pos is None:
+    print("  WARNING: screen_to_world returned None (ray missed ground)")
+else:
+    assert len(world_pos) == 3, "Should return (x, y, z) tuple"
+    print(f"  PASS: Got world position {world_pos}")
+
+# Test 5: follow method
+viewport.follow(entity, distance=8.0, height=5.0)
+print("Test 5: follow(entity, distance=8, height=5)")
+cam_pos = viewport.camera_pos
+print(f"  Camera position after follow: {cam_pos}")
+print("  PASS: follow executed without error")
+
+# Test 6: path_to (existing method)
+path = entity.path_to(10, 10)
+print(f"Test 6: path_to(10, 10) = {path[:3]}..." if len(path) > 3 else f"Test 6: path_to(10, 10) = {path}")
+print("  PASS: path_to works")
+
+print()
+print("=" * 50)
+print("All Milestone 8 API tests PASSED!")
+print("=" * 50)
+
+sys.exit(0)