def test_basic(self):
"""Test extracting a time coordinate from the orographic enhancement
cube."""
plugin = ApplyOrographicEnhancement("add")
result = plugin._select_orographic_enhancement_cube(
self.precip_cube, self.oe_cube)
self.assertIsInstance(result, iris.cube.Cube)
self.assertEqual(result.metadata, self.first_slice.metadata)
self.assertEqual(result, self.first_slice)
self.assertEqual(result.coord("time"), self.first_slice.coord("time"))
def test_alternative_time_quarter_to(self):
"""Test extracting a time coordinate from the orographic enhancement
cube at quarter to an hour."""
plugin = ApplyOrographicEnhancement("add")
self.precip_cubes[0].coord("time").points = 412227.75
result = plugin._select_orographic_enhancement_cube(
self.precip_cubes[0], self.oe_cube)
self.assertIsInstance(result, iris.cube.Cube)
self.assertEqual(result.metadata, self.second_slice.metadata)
self.assertEqual(result, self.second_slice)
self.assertEqual(result.coord("time"), self.second_slice.coord("time"))
def test_alternative_time_quarter_past(self):
"""Test extracting a time coordinate from the orographic enhancement
cube at quarter past an hour."""
plugin = ApplyOrographicEnhancement("add")
self.precip_cube.coord("time").points = (
self.precip_cube.coord("time").points + 15 * 60) # add 15 mins
result = plugin._select_orographic_enhancement_cube(
self.precip_cube, self.oe_cube)
self.assertIsInstance(result, iris.cube.Cube)
self.assertEqual(result.metadata, self.first_slice.metadata)
self.assertEqual(result, self.first_slice)
self.assertEqual(result.coord("time"), self.first_slice.coord("time"))
def test_alternative_time_half_past(self):
"""Test extracting a time coordinate from the orographic enhancement
cube at half past an hour. Note that the time point will round down
at the midpoint between 412227. and 412228."""
plugin = ApplyOrographicEnhancement("add")
self.precip_cubes[0].coord("time").points = 412227.5
result = plugin._select_orographic_enhancement_cube(
self.precip_cubes[0], self.oe_cube)
self.assertIsInstance(result, iris.cube.Cube)
self.assertEqual(result.metadata, self.first_slice.metadata)
self.assertEqual(result, self.first_slice)
self.assertEqual(result.coord("time"), self.first_slice.coord("time"))
