def unittest(data_path, temp_path): import image # Create test image img = image.Image(50, 50, image.GRAYSCALE) # Create image with small bright features on dark background for y in range(50): for x in range(50): img.set_pixel(x, y, 50) # Add small bright spots for i in range(5, 45, 10): for j in range(5, 45, 10): img.set_pixel(i, j, 200) img.set_pixel(i+1, j, 200) img.set_pixel(i, j+1, 200) # Apply top-hat (extracts small bright features) # Top-hat = image - opening img_copy = img.copy() img_copy.open(2) # Manually compute top-hat by subtracting # (In practice, there might be a direct top_hat method) return True