def test_truthy_on_change():
exp = Expando()
exp.x = 'y'
assert exp
def test_falsy_when_new():
assert not Expando()
def test_falsy_on_change():
exp = Expando(x='y')
del exp.x
assert not exp
def test_truthy_on_change():
exp = Expando()
exp.x = 'y'
assert exp
def test_truthy_when_new():
assert Expando(content='something') and True or False
def obj():
return Expando(a=1)
def test_nested_context():
"Should handle nested context managers correctly"
env = Expando(foo='bar', bar='baz')
with state(env, foo='baz') as _, state(env, bar='foo') as _:
assert env.foo == 'baz'
assert env.bar == 'foo'
def test_patch_sys_modules():
with (state(sys.modules, fakey=Expando(foo='bar'))):
import fakey
assert fakey.foo == 'bar'
with (pytest.raises(ImportError)):
import fakey