def test_send_receive_with_none_context():
"""
Test attempting to start a TCP server using context values, with no context
set. Verify expected ValueError is raised.
"""
with path.TemporaryDirectory() as runpath:
client = TCPClient(name='client',
host=context('server', '{{host}}'),
port=context('server', '{{port}}'),
runpath=runpath)
with pytest.raises(ValueError):
client.start()
def test_send_receive_with_none_context(runpath):
"""
Test attempting to start a TCP server using context values, with no context
set. Verify expected ValueError is raised.
"""
client = TCPClient(
name="client",
host=context("server", "{{host}}"),
port=context("server", "{{port}}"),
runpath=runpath,
)
with pytest.raises(ValueError):
client.start()
def test_send_receive_no_context():
server = TCPServer(name='server', host='localhost', port=0)
assert server.port is None
server.start()
server._wait_started()
assert server.port != 0
client = TCPClient(name='client', host=server._host, port=server._port)
client.start()
client._wait_started()
send_receive_message(server, client)
client.stop()
client._wait_stopped()
server.stop()
server._wait_stopped()
