text: from unittest import TestCase
  import numpy as np
  
  from coord2vec.models.geo_convolution.geo_convolution import GeoConvolution
  
  
  class TestGeoConvolution(TestCase):
      @classmethod
      def setUpClass(cls):
          cls.model = GeoConvolution()
  
      def test_tiles2image2tiles(self):
          image = np.ones((10, 10, 3))
          tile_size = 5
          tiles = self.model._image2tiles(image, tile_size)
          self.assertTupleEqual(tiles.shape, (2, 2, 5, 5, 3))
          new_image = self.model._tiles2image(tiles)
          self.assertTrue(np.array_equal(image, new_image))
  