def unittest(data_path, temp_path): import image # Create a simple asymmetric pattern to test rotation img = image.Image(60, 60, image.GRAYSCALE) # Fill with a pattern: top-left corner bright, rest dark for y in range(60): for x in range(60): if x < 20 and y < 20: img.set_pixel(x, y, 200) # Bright top-left else: img.set_pixel(x, y, 50) # Dark everywhere else # Test 90 degree rotation img_90 = img.copy() img_90.rotation_corr(z_rotation=90) # After 90° clockwise rotation, top-left becomes top-right # Check that the bright region moved # Top-right should now be bright pixel_tr = img_90.get_pixel(55, 5) if pixel_tr < 150: # Should be bright return False # Test 180 degree rotation img_180 = img.copy() img_180.rotation_corr(z_rotation=180) # After 180° rotation, top-left becomes bottom-right pixel_br = img_180.get_pixel(55, 55) if pixel_br < 150: # Should be bright return False # Original top-right should now be dark after 180° rotation pixel_tl_after = img_180.get_pixel(5, 5) if pixel_tl_after > 100: # Should be dark return False return True