def test_strictbool_with_custom_base():
"""Test :func:`moretools.strictbool` class creator
with a custom intermediate :class:`moretools.StrictBool`-derived
``base=`` class argument.
"""
with pytest.raises(TypeError):
strictbool('Bool', base=bool)
class Bool(StrictBool):
pass
boolclass = strictbool('Bool', base=Bool)
assert boolclass is not Bool
assert issubclass(boolclass, Bool)
def test_strictbool(true_values, false_values):
"""Test :func:`moretools.strictbool` class creator.
"""
boolclass = strictbool('Bool', true=true_values, false=false_values)
assert boolclass.__name__ == 'Bool'
assert boolclass is not StrictBool
assert issubclass(boolclass, StrictBool)
assert type(boolclass) is not StrictBoolMeta
assert issubclass(type(boolclass), StrictBoolMeta)
assert boolclass.true == type(boolclass).true == true_values
assert boolclass.false == type(boolclass).false == false_values
def test_strictbool_without_true_false(true_values, false_values):
"""Test :func:`moretools.strictbool` class creator
without passing ``true=`` and ``false=`` value lists.
"""
boolclass = strictbool('Bool')
assert boolclass.true is type(boolclass).true is None
assert boolclass.false is type(boolclass).false is None
assert boolclass(True) is True
assert boolclass(False) is False
for value in true_values + false_values:
with pytest.raises(ValueError):
boolclass(value)
