pycapnp/test/test_rpc.py
2017-01-22 02:25:58 +00:00

120 lines
3.1 KiB
Python

import pytest
import capnp
import os
import socket
import test_capability_capnp
class Server(test_capability_capnp.TestInterface.Server):
def __init__(self, val=1):
self.val = val
def foo(self, i, j, **kwargs):
return str(i * 5 + self.val)
def restore_func(ref_id):
return Server(100)
class SimpleRestorer(test_capability_capnp.TestSturdyRefObjectId.Restorer):
def restore(self, ref_id):
assert ref_id.tag == 'testInterface'
return Server(100)
def test_simple_rpc():
read, write = socket.socketpair(socket.AF_UNIX)
restorer = SimpleRestorer()
server = capnp.TwoPartyServer(write, restorer)
client = capnp.TwoPartyClient(read)
ref = test_capability_capnp.TestSturdyRefObjectId.new_message(tag='testInterface')
cap = client.restore(ref)
cap = cap.cast_as(test_capability_capnp.TestInterface)
remote = cap.foo(i=5)
response = remote.wait()
assert response.x == '125'
def test_simple_rpc_with_options():
read, write = socket.socketpair(socket.AF_UNIX)
restorer = SimpleRestorer()
server = capnp.TwoPartyServer(write, restorer)
# This traversal limit is too low to receive the response in, so we expect
# an exception during the call.
client = capnp.TwoPartyClient(read, traversal_limit_in_words=1)
ref = test_capability_capnp.TestSturdyRefObjectId.new_message(tag='testInterface')
cap = client.restore(ref)
cap = cap.cast_as(test_capability_capnp.TestInterface)
remote = cap.foo(i=5)
with pytest.raises(capnp.KjException):
response = remote.wait()
def test_simple_rpc_restore_func():
read, write = socket.socketpair(socket.AF_UNIX)
server = capnp.TwoPartyServer(write, restore_func)
client = capnp.TwoPartyClient(read)
ref = test_capability_capnp.TestSturdyRefObjectId.new_message(tag='testInterface')
cap = client.restore(ref)
cap = cap.cast_as(test_capability_capnp.TestInterface)
remote = cap.foo(i=5)
response = remote.wait()
assert response.x == '125'
def text_restore_func(objectId):
text = objectId.as_text()
assert text == 'testInterface'
return Server(100)
def test_ez_rpc():
read, write = socket.socketpair(socket.AF_UNIX)
server = capnp.TwoPartyServer(write, text_restore_func)
client = capnp.TwoPartyClient(read)
cap = client.ez_restore('testInterface')
cap = cap.cast_as(test_capability_capnp.TestInterface)
remote = cap.foo(i=5)
response = remote.wait()
assert response.x == '125'
cap = client.restore(test_capability_capnp.TestSturdyRefObjectId.new_message())
cap = cap.cast_as(test_capability_capnp.TestInterface)
remote = cap.foo(i=5)
with pytest.raises(capnp.KjException):
response = remote.wait()
def test_simple_rpc_bootstrap():
read, write = socket.socketpair(socket.AF_UNIX)
server = capnp.TwoPartyServer(write, bootstrap=Server(100))
client = capnp.TwoPartyClient(read)
cap = client.bootstrap()
cap = cap.cast_as(test_capability_capnp.TestInterface)
remote = cap.foo(i=5)
response = remote.wait()
assert response.x == '125'