def test_nonplural_lead_units_works(da_lead, lead_units):
"""Test that non-plural lead units work on lead units check."""
da_lead["lead"].attrs["units"] = lead_units[:-1]
with pytest.warns(UserWarning) as record:
has_valid_lead_units(da_lead)
expected = f'The letter "s" was appended to the lead units; now {lead_units}.'
assert record[0].message.args[0] == expected
def test_valid_lead_units_invalid_units(da_lead):
"""Test that valid lead units check breaks if invalid units provided."""
da_lead["lead"].attrs["units"] = "dummy"
with pytest.raises(AttributeError):
has_valid_lead_units(da_lead)
def test_valid_lead_units(da_lead, lead_units):
"""Test that lead units check passes with appropriate lead units."""
da_lead["lead"].attrs["units"] = lead_units
assert has_valid_lead_units(da_lead)
def test_valid_lead_units_no_units(da_lead):
"""Test that valid lead units check breaks if there are no units."""
with pytest.raises(AttributeError):
has_valid_lead_units(da_lead)
def test_valid_lead_units_invalid_units(da_lead):
"""Test that valid lead units check breaks if invalid units provided."""
da_lead['lead'].attrs['units'] = 'dummy'
with pytest.raises(AttributeError):
has_valid_lead_units(da_lead)