Vehicle Researcher
6adb63b915
date: 2026-06-04T09:49:56 master commit: c0ab3550eca2e9daf197c46b7e4b24aa9637cf2e
58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
import random
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import time
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import string
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import unittest
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import msgq
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def random_sock():
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return ''.join(random.choices(string.ascii_uppercase + string.digits, k=10))
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def random_bytes(length=1000):
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return bytes([random.randrange(0xFF) for _ in range(length)])
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class TestPubSubSockets(unittest.TestCase):
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def test_pub_sub(self):
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sock = random_sock()
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pub_sock = msgq.pub_sock(sock)
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sub_sock = msgq.sub_sock(sock, conflate=False, timeout=None)
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for _ in range(100):
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msg = random_bytes()
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pub_sock.send(msg)
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recvd = sub_sock.receive()
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assert msg == recvd
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def test_conflate(self):
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sock = random_sock()
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pub_sock = msgq.pub_sock(sock)
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for conflate in [True, False]:
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num_msgs = random.randint(3, 10)
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sub_sock = msgq.sub_sock(sock, conflate=conflate, timeout=None)
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sent_msgs = []
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for __ in range(num_msgs):
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msg = random_bytes()
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pub_sock.send(msg)
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sent_msgs.append(msg)
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recvd_msgs = msgq.drain_sock_raw(sub_sock)
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if conflate:
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assert len(recvd_msgs) == 1
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assert recvd_msgs[0] == sent_msgs[-1]
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else:
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assert len(recvd_msgs) == len(sent_msgs)
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for rec_msg, sent_msg in zip(recvd_msgs, sent_msgs):
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assert rec_msg == sent_msg
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def test_receive_timeout(self):
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sock = random_sock()
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timeout_ms = 5
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sub_sock = msgq.sub_sock(sock, timeout=timeout_ms)
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start_time = time.monotonic()
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recvd = sub_sock.receive()
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elapsed = time.monotonic() - start_time
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assert recvd is None
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assert elapsed >= timeout_ms / 1000
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assert elapsed < 5 # this can be noisy due to other load on the system
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