def test_bool_config_preserves_raw_str_value_used_to_set_it():
c = Item('a', type=bool, default=False)
assert c.value is False
assert not c.value
assert c.str_value == 'False'
assert c.value is False
c.value = 'False'
assert not c.value
assert c.str_value == 'False'
assert c.value is False
c.value = 'no'
assert not c.value
assert c.str_value == 'no'
assert c.value is False
c.value = '0'
assert not c.value
assert c.str_value == '0'
assert c.value is False
c.value = '1'
assert c.value
assert c.str_value == '1'
assert c.value is True
c.reset()
assert not c.value
assert c.value is False
c.value = 'yes'
assert c.str_value == 'yes'
assert c.value is True
def test_raw_str_value_is_reset_on_reset():
c = Item('a', type=int, default=25)
assert c.str_value == '25'
c.value = '23'
assert c.str_value == '23'
c.reset()
assert c.str_value == '25'
def test_item_with_no_value_and_no_default_returns_not_set_as_value():
c = Item('a')
assert c.value is not_set
c.value = 'hey'
assert c.value == 'hey'
c.reset()
assert c.value is not_set
def test_int_value():
c = Item('a', type=int, default=25)
assert c.value == 25
c.value = '23'
assert c.value == 23
assert c.value != '23'
c.reset()
assert c.value == 25
def test_is_default():
c = Item('a')
d = Item('a', default=None)
e = Item('a', value=None)
assert c.is_default
assert d.is_default
assert not e.is_default
c.value = 'ccc'
d.value = 'ddd'
e.value = 'eee'
assert not c.is_default
assert not d.is_default
assert not e.is_default
c.value = None
d.value = None
e.value = None
assert not c.is_default
assert d.is_default # this is the case when is_default is NOT the opposite of has_value
assert not e.is_default
c.reset()
d.reset()
e.reset()
assert c.is_default
assert d.is_default
assert e.is_default
def test_has_value_returns_true_if_value_or_default_is_set():
c = Item()
assert not c.has_value
c.value = '5'
assert c.has_value
c.reset()
assert not c.has_value
d = Item(default=5)
assert d.has_value
d.value = 6
assert d.has_value
d.reset()
assert d.has_value
e = Item(value=8)
assert e.has_value
e.value = 9
assert e.has_value
e.reset()
assert not e.has_value
def test_required_item_falls_back_to_default_when_there_is_one():
a = Item('a', required=True, default=None)
assert a.value is None
a.reset()
assert a.value is None
