def test_cubelist_no_history_removal(self):
"""Test that the utility does not remove history attribute,
if they are the same.
"""
cube1 = self.cube.copy()
cube2 = self.cube.copy()
cubelist = iris.cube.CubeList([cube1, cube2])
equalise_cube_attributes(cubelist)
self.assertIn("history", cubelist[0].attributes.keys())
self.assertIn("history", cubelist[1].attributes.keys())
def test_cubelist_history_removal(self):
"""Test that the utility removes history attribute,
if they are different.
"""
cube1 = self.cube.copy()
cube2 = self.cube.copy()
cube2.attributes["history"] = "2017-01-19T08:59:53: StaGE Decoupler"
cubelist = iris.cube.CubeList([cube1, cube2])
equalise_cube_attributes(cubelist, silent="history")
self.assertNotIn("history", cubelist[0].attributes.keys())
self.assertNotIn("history", cubelist[1].attributes.keys())
def test_unknown_attribute(self, warning_list=None):
"""Test that the utility raises warning when removing a non-silent
mismatched attribute."""
cube1 = self.cube.copy()
cube2 = self.cube.copy()
cube2.attributes.update({'unknown_attribute': '2'})
cubelist = iris.cube.CubeList([cube1, cube2])
equalise_cube_attributes(cubelist)
self.assertTrue(
any(item.category == UserWarning for item in warning_list))
warning_msg = "Deleting unmatched attribute "
self.assertTrue(any(warning_msg in str(item) for item in warning_list))
self.assertNotIn("unknown_attribute", cubelist[0].attributes.keys())
self.assertNotIn("unknown_attribute", cubelist[1].attributes.keys())