def test_basic(self):
"""Test that the run_recursion method returns an iris.cube.Cube."""
edge_width = 1
alphas_x = None
alphas_y = None
plugin = RecursiveFilter(alpha_x=self.alpha_x, alpha_y=self.alpha_y,
iterations=self.iterations)
alphas_x = plugin.set_alphas(self.cube, self.alpha_x, alphas_x)
alphas_y = plugin.set_alphas(self.cube, self.alpha_y, alphas_y)
padded_cube = SquareNeighbourhood().pad_cube_with_halo(self.cube,
edge_width,
edge_width)
result = plugin.run_recursion(padded_cube, alphas_x, alphas_y,
self.iterations)
self.assertIsInstance(result, Cube)
def test_expected_result(self):
"""Test that the run_recursion method returns an iris.cube.Cube."""
edge_width = 1
alphas_x = None
alphas_y = None
plugin = RecursiveFilter(alpha_x=self.alpha_x, alpha_y=self.alpha_y,
iterations=self.iterations)
alphas_x = plugin.set_alphas(self.cube, self.alpha_x, alphas_x)
alphas_y = plugin.set_alphas(self.cube, self.alpha_y, alphas_y)
padded_cube = SquareNeighbourhood().pad_cube_with_halo(self.cube,
edge_width,
edge_width)
result = plugin.run_recursion(padded_cube, alphas_x, alphas_y,
self.iterations)
expected_result = 0.13382206
self.assertAlmostEqual(result.data[4][4], expected_result)
