pycapnp/test/test_rpc.py
Fabio Rossetto 42665a61c9 Properly join list of methods in _DynamicCapabilityClient
This was already fixed in c9bea05f44, but the fix does not seem to work.
This commit uses a set union, which should be more robust. It also adds
a couple of assertions to verify that it indeed works.
2023-11-01 19:03:11 -07:00

64 lines
1.7 KiB
Python

"""
rpc test
"""
import pytest
import capnp
import socket
import test_capability_capnp
@pytest.fixture(autouse=True)
async def kj_loop():
async with capnp.kj_loop():
yield
class Server(test_capability_capnp.TestInterface.Server):
def __init__(self, val=100):
self.val = val
async def foo(self, i, j, **kwargs):
return str(i * 5 + self.val)
async def test_simple_rpc_with_options():
read, write = socket.socketpair()
read = await capnp.AsyncIoStream.create_connection(sock=read)
write = await capnp.AsyncIoStream.create_connection(sock=write)
_ = capnp.TwoPartyServer(write, bootstrap=Server())
# 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)
with pytest.raises(capnp.KjException):
cap = client.bootstrap().cast_as(test_capability_capnp.TestInterface)
remote = cap.foo(i=5)
_ = remote.wait()
async def test_simple_rpc_bootstrap():
read, write = socket.socketpair()
read = await capnp.AsyncIoStream.create_connection(sock=read)
write = await capnp.AsyncIoStream.create_connection(sock=write)
_ = capnp.TwoPartyServer(write, bootstrap=Server(100))
client = capnp.TwoPartyClient(read)
cap = client.bootstrap()
cap = cap.cast_as(test_capability_capnp.TestInterface)
# Check not only that the methods are there, but also that they are listed
# as expected.
assert "foo" in dir(cap)
assert "bar" in dir(cap)
assert "buz" in dir(cap)
assert "bam" in dir(cap)
remote = cap.foo(i=5)
response = await remote
assert response.x == "125"