def test_parse_InvalidElementErrors(arg):
r"""Tests that _parse_and_check_atomic_input raises an
InvalidElementError when the input corresponds to a valid
particle but not a valid element, isotope, or ion."""
with pytest.raises(InvalidElementError):
_parse_and_check_atomic_input(arg)
pytest.fail("An InvalidElementError was expected to be raised by "
f"{call_string(_parse_and_check_atomic_input, arg)}, "
f"but no exception was raised.")
def test_parse_InvalidParticleErrors(arg, kwargs):
r"""Tests that _parse_and_check_atomic_input raises an
InvalidParticleError when the input does not correspond
to a real particle."""
with pytest.raises(InvalidParticleError):
_parse_and_check_atomic_input(arg, **kwargs)
pytest.fail(
"An InvalidParticleError was expected to be raised by "
f"{call_string(_parse_and_check_atomic_input, arg, kwargs)}, "
f"but no exception was raised.")
def test_parse_and_check_atomic_input(arg, kwargs, expected):
result = _parse_and_check_atomic_input(arg, **kwargs)
assert result == expected, ("Error in _parse_and_check_atomic_input.\n"
"The resulting dictionary is:\n\n"
f"{result}\n\n"
"whereas the expected dictionary is:\n\n"
f"{expected}\n")
def test_parse_AtomicWarnings(arg, kwargs, num_warnings):
r"""Tests that _parse_and_check_atomic_input issues an AtomicWarning
under the required conditions."""
with pytest.warns(ParticleWarning) as record:
_parse_and_check_atomic_input(arg, **kwargs)
if not record:
pytest.fail(
f"No AtomicWarning was issued by "
f"{_particle_call_string(arg, kwargs)} but the expected number "
f"of warnings was {num_warnings}")
assert len(record) == num_warnings, (
f"The number of AtomicWarnings issued by {_particle_call_string(arg, kwargs)} "
f"was {len(record)}, which differs from the expected number "
f"of {num_warnings} warnings.")
