text: from ctapipe.instrument.camera import CameraGeometry
  import numpy as np
  
  
  def test_leakage():
      from ctapipe.image.leakage import leakage_parameters
  
      geom = CameraGeometry.from_name("LSTCam")
  
      img = np.ones(geom.n_pixels)
      mask = np.ones(len(geom), dtype=bool)
  
      l = leakage_parameters(geom, img, mask)
  
      ratio1 = np.sum(geom.get_border_pixel_mask(1)) / geom.n_pixels
      ratio2 = np.sum(geom.get_border_pixel_mask(2)) / geom.n_pixels
  
      assert l.intensity_width_1 == ratio1
      assert l.intensity_width_2 == ratio2
      assert l.pixels_width_1 == ratio1
      assert l.pixels_width_2 == ratio2
  