def test_process_chain(self):
x = yield process_chain([cb1, cb2, cb3], 'res', 'v1', 'v2')
self.assertEqual(x, "(cb3 (cb2 (cb1 res v1 v2) v1 v2) v1 v2)")
gotexc = False
try:
yield process_chain([cb1, cb_fail, cb3], 'res', 'v1', 'v2')
except TypeError, e:
gotexc = True
def test_process_chain(self):
x = yield process_chain([cb1, cb2, cb3], "res", "v1", "v2")
self.assertEqual(x, "(cb3 (cb2 (cb1 res v1 v2) v1 v2) v1 v2)")
gotexc = False
try:
yield process_chain([cb1, cb_fail, cb3], "res", "v1", "v2")
except TypeError as e:
gotexc = True
self.failUnless(gotexc)
def _process_chain(self, methodname, obj, *args):
return process_chain(self.methods[methodname], obj, *args)
def _process_chain(self, methodname: str, obj, *args) -> Deferred:
return process_chain(self.methods[methodname], obj, *args)
def _process_chain(self, methodname, obj, *args):
return process_chain(self.methods[methodname], obj, *args)
def process_hook(self, *args):
return process_chain(self.methods["process_hook"], None, *args)
def _process_chain(self, methodname: str, obj, *args) -> Deferred:
methods = cast(Iterable[Callable], self.methods[methodname])
return process_chain(methods, obj, *args)
def _process_chain(self, methodname, obj, *args):
return process_chain(
self.methods[methodname], obj, *args
) # 这里的process_chain 实际上就是将self.methods里所有的callback添加到 一个deferred对象上 然后返回这个对象 参数是这个obj 和*args
