def test_fails_if_can_not_convert_units(self):
"""Test fails if it can not convert units """
units = 'mm'
msg = ('Failed to convert coord units ')
with self.assertRaisesRegex(ValueError, msg):
WeightsUtilities.process_coord(self.cube, self.coordinate,
self.wrong_coord_vals, units)
def test_fails_less_points_in_coord(self):
"""Test fails if less points in coord than in cube. """
exp_coord_vals = self.exp_coord_vals[0]
msg = ('The cube coordinate has more points ' 'than requested coord, ')
with self.assertRaisesRegex(ValueError, msg):
WeightsUtilities.process_coord(self.cube, self.coordinate,
exp_coord_vals)
def test_basic(self):
"""Test process_coord returns num and array of missing_weights. """
(result_num_of_weights,
result_missing) = WeightsUtilities.process_coord(
self.cube, self.coordinate, self.exp_coord_vals)
self.assertIsInstance(result_num_of_weights, int)
self.assertIsInstance(result_missing, np.ndarray)
def test_no_points_set_in_coord(self):
"""Test returns num in coordinate if no points set in coord. """
expected_num = len(self.cube_coord.points)
expected_array = np.ones(expected_num)
(result_num_of_weights,
result_missing) = WeightsUtilities.process_coord(self.cube,
self.coordinate)
self.assertAlmostEquals(result_num_of_weights, expected_num)
self.assertArrayAlmostEqual(result_missing, expected_array)
def test_finds_missing_points(self):
"""Test correct values are returned for case where not all expected
coordinate values are present in cube."""
expected_num = 3
expected_array = np.ones(expected_num)
expected_array[0] = 0.0
(result_num_of_weights,
result_missing) = WeightsUtilities.process_coord(
self.cube, self.coordinate, self.wrong_coord_vals)
self.assertAlmostEqual(result_num_of_weights, expected_num)
self.assertArrayAlmostEqual(result_missing, expected_array)
def test_fails_coord_not_in_cube(self):
""" Test process_cord fails if coord not in cube """
msg = ('The coord for this plugin must be '
'an existing coordinate in the input cube.')
with self.assertRaisesRegexp(ValueError, msg):
WeightsUtilities.process_coord(self.cube, 'not_in_cube', '0')
