def test_get_field_missing_no_standard_name(ds_joanne):
field_name = nom.TEMPERATURE
# make a dataset where the variable name is doesn't match and the
# standard_name isn't set
ds_copy = ds_joanne[[field_name]].rename({field_name: "_foobar_field_"})
del ds_copy["_foobar_field_"].attrs["standard_name"]
with pytest.raises(nom.FieldMissingException):
get_field(ds=ds_copy, name=field_name, units=ds_joanne[field_name].units)
def test_get_field_multiple_by_standard_name(ds_joanne):
"""
Tests that merging multiple variables on the same dataset works
"""
field_name = nom.RELATIVE_HUMIDITY
field_name_copy = field_name + "_copy"
# XXX: currently if there's a field with correct name then the standard
# names are ignored, is this ok?
field_name_renamed = field_name + "_renamed"
ds_copy = ds_joanne[[]]
ds_copy[field_name_copy] = ds_joanne[field_name].copy()
ds_copy[field_name_renamed] = ds_joanne[field_name].copy()
da = get_field(ds=ds_copy, name=field_name, units=ds_joanne[field_name].units)
assert list(da["var_name"]) == [field_name_copy, field_name_renamed]
def test_get_field_missing_unknown_standard_name(ds_joanne):
field_name = "_non_existing_field_"
with pytest.raises(nom.FieldMissingException):
get_field(ds=ds_joanne, name=field_name, units=None)
def test_get_field_by_cf_standard_name(ds_joanne, cf_name):
get_field(ds=ds_joanne, name=cf_name)
def test_get_field_by_standard_name(ds_joanne, field_name):
# make a dataset where the variable name is doesn't match
ds_copy = ds_joanne[[field_name]].rename({field_name: "_foobar_field_"})
get_field(ds=ds_copy, name=field_name, units=ds_joanne[field_name].units)
def test_get_field_by_name(ds_joanne, field_name):
get_field(ds=ds_joanne, name=field_name, units=ds_joanne[field_name].units)