def test_triangular_moving_average_invalid_period(self):
period = 128
with self.assertRaises(Exception) as cm:
triangular_moving_average.triangular_moving_average(
self.data, period)
expected = "Error: data_len < period"
self.assertEqual(str(cm.exception), expected)
def test_triangular_moving_average_period_10(self):
period = 10
tma = triangular_moving_average.triangular_moving_average(
self.data, period)
np.testing.assert_array_equal(tma, self.tma_period_10_expected)