def test_instances_of_type_human_readable(type, expected_type_name):
"""Check the string representation of the _InstancesOf constraint."""
constraint = _InstancesOf(type)
assert str(constraint) == f"an instance of '{expected_type_name}'"
bad_value = generate_invalid_param_val(
real_interval, constraints=[real_interval, integer_interval])
assert not real_interval.is_satisfied_by(bad_value)
assert not integer_interval.is_satisfied_by(bad_value)
bad_value = generate_invalid_param_val(
integer_interval, constraints=[real_interval, integer_interval])
assert not real_interval.is_satisfied_by(bad_value)
assert not integer_interval.is_satisfied_by(bad_value)
@pytest.mark.parametrize(
"constraints",
[
[_ArrayLikes()],
[_InstancesOf(list)],
[Interval(Real, None, None, closed="both")],
[
Interval(Integral, 0, None, closed="left"),
Interval(Real, None, 0, closed="neither"),
],
],
)
def test_generate_invalid_param_val_all_valid(constraints):
"""Check that the function raises NotImplementedError when there's no invalid value
for the constraint.
"""
with pytest.raises(NotImplementedError):
generate_invalid_param_val(constraints[0], constraints=constraints)