def is_impure_async_fn(value):
"""Returns whether the given Value is an impure async call.
This can be used to detect places where async functions are called synchronously.
"""
if isinstance(value, KnownValue):
return asynq.is_async_fn(value.val) and not asynq.is_pure_async_fn(value.val)
elif isinstance(value, UnboundMethodValue):
method = value.get_method()
if method is None:
return False
return asynq.is_async_fn(method) and not asynq.is_pure_async_fn(method)
return False
def test_is_pure_async_fn():
assert is_pure_async_fn(lazy_fn)
assert not is_pure_async_fn(test_lazy)
assert not is_pure_async_fn(async_fn)
assert is_pure_async_fn(pure_async_fn)
assert not is_pure_async_fn(DisallowSetting())
assert is_pure_async_fn(MyClass.get_cls)
assert not is_pure_async_fn(MyClass.get_cls_ac)
assert not is_pure_async_fn(AsyncDecorator)
def test_make_async_decorator():
assert_eq(18, square(3))
assert_eq(18, MyClass.square(3))
assert_eq(18, square.asynq(3).value())
assert_eq(18, MyClass.square.asynq(3).value())
assert not is_pure_async_fn(square)
assert_eq("@double_return_value()", square.name())
def test_get_async_fn():
assert_eq(async_fn.asynq, get_async_fn(async_fn))
assert_eq(lazy_fn, get_async_fn(lazy_fn))
assert_is(None, get_async_fn(sync_fn))
wrapper = get_async_fn(sync_fn, wrap_if_none=True)
assert is_pure_async_fn(wrapper)
result = wrapper()
assert_is_instance(result, ConstFuture)
assert_eq("sync_fn", result.value())
