def unacceptable_change():
value = 'AbcDef'
with assert_changes(
lambda: value,
cmp=lambda old, new: old.lower() == new.lower()):
value = 'GhiJkl'
def no_change():
value = 123
with assert_changes(lambda: value, new=lambda old: old + 1):
pass
def test_passes_if_cmp_returns_True(self):
value = 'AbcDef'
with assert_changes(lambda: value,
cmp=lambda old, new: old.lower() == new.lower()):
value = 'aBCdEF'
def test_passes_if_equal_to_new(self):
value = 123
with assert_changes(lambda: value, new=lambda old: old + 1):
value += 1
def unacceptable_change():
value = 'AbcDef'
with assert_changes(lambda: value,
cmp=lambda old, new: old.lower() == new.lower()):
value = 'GhiJkl'
def test_passes_if_cmp_returns_True(self):
value = 'AbcDef'
with assert_changes(lambda: value,
cmp=lambda old, new: old.lower() == new.lower()):
value = 'aBCdEF'
def no_change():
value = 123
with assert_changes(lambda: value, new=lambda old: old + 1):
pass
def test_passes_if_equal_to_new(self):
value = 123
with assert_changes(lambda: value, new=lambda old: old + 1):
value += 1
