def test_find_zero_neighbours(self):
Nx = 3
Ny = 3
Jc = np.zeros((Nx, Ny))
sample = Sample(Jc)
sample.boolean_matrix = np.ones((Nx, Ny), dtype=bool)
result = sample.find_one_neighbours(1, 1)
expected = [(1, 2), (1, 0), (2, 1), (0, 1)]
self.assertEqual(result, expected)
sample.boolean_matrix[1, 0] = False
result = sample.find_one_neighbours(0, 0)
expected = [(0, 1)]
self.assertEqual(result, expected)
sample.boolean_matrix[0, 1] = False
result = sample.find_one_neighbours(0, 0)
expected = []
self.assertEqual(result, expected)
result = sample.find_one_neighbours(2, 2)
expected = [(2, 1), (1, 2)]
self.assertEqual(result, expected)
