Files
dynalab-core/test/test_json_server.py
T
h3cx 561f42aca2 Updated tests and added core live value handling
Removed useless tests, will need to complete a more comprehensive test
suite however this is not the priority right now

Added a live value dict in the core whose values are populated by the
core's input thread
2026-08-05 20:42:19 +01:00

139 lines
4.4 KiB
Python

import logging
import socket
import time
from uuid import uuid4
import pytest
from dynalab_core import Core
from dynalab_core.config import CoreConfig
from dynalab_core.protocols.constants import PROTOCOL_VERSION
from dynalab_core.protocols.json.errors import (
JsonServerStartupError,
JsonServerTimeoutError,
)
from dynalab_core.protocols.packets.handshake import ConnectorHello, SignalDescriptor
from test.common import find_available_port
def _wait_for_event(
caplog: pytest.LogCaptureFixture, event: str, timeout: float = 1.0
) -> logging.LogRecord:
deadline = time.monotonic() + timeout
while time.monotonic() < deadline:
for record in caplog.records:
if getattr(record, "event", None) == event:
return record
time.sleep(0.01)
raise AssertionError(f"Log event {event!r} was not emitted")
def test_json_server_raises_timeout_error(
caplog: pytest.LogCaptureFixture,
) -> None:
port = find_available_port(8765)
core = Core(CoreConfig(port=port))
core._json_server._debug_timeout_test = True
core._json_server._timeout = 0.01
with caplog.at_level(logging.DEBUG, logger="dynalab_core"):
try:
with pytest.raises(JsonServerTimeoutError):
core.start()
finally:
core.stop()
timeout_record = next(
record
for record in caplog.records
if getattr(record, "event", None) == "json_server.start_timeout"
)
assert timeout_record.levelno == logging.ERROR
assert timeout_record.port == port
def test_json_server_raises_startup_error(
caplog: pytest.LogCaptureFixture,
) -> None:
port = find_available_port(8765)
core1 = Core(CoreConfig(port=port))
core2 = Core(CoreConfig(port=port))
with caplog.at_level(logging.DEBUG, logger="dynalab_core"):
core1.start()
try:
with pytest.raises(JsonServerStartupError):
core2.start()
finally:
core1.stop()
core2.stop()
failure_record = next(
record
for record in caplog.records
if getattr(record, "event", None) == "json_server.start_failed"
)
assert failure_record.levelno == logging.ERROR
assert failure_record.port == port
assert failure_record.exc_info is not None
def test_json_server_logs_invalid_handshake(
caplog: pytest.LogCaptureFixture,
) -> None:
port = find_available_port(8765)
core = Core(CoreConfig(port=port))
with caplog.at_level(logging.DEBUG, logger="dynalab_core"):
core.start()
try:
with socket.create_connection(("127.0.0.1", port), timeout=1) as peer:
server_hello = peer.makefile("rb").readline()
assert server_hello
peer.sendall(b"not-json\n")
rejection = _wait_for_event(caplog, "connector.handshake_rejected")
finally:
core.stop()
assert rejection.levelno == logging.WARNING
assert rejection.reason == "invalid_frame"
assert rejection.connection_id
assert rejection.peer_address
def test_json_server_waits_for_connection_handlers_on_stop(
caplog: pytest.LogCaptureFixture,
) -> None:
port = find_available_port(8765)
core = Core(CoreConfig(port=port))
connector_uuid = uuid4()
connector_hello = ConnectorHello(
connector_uuid=connector_uuid,
protocol_version=PROTOCOL_VERSION,
connector_name="Test connector",
connector_version="0.1.0-test",
signals=[SignalDescriptor(id=uuid4(), name="Dummy signal", type="number")],
)
with caplog.at_level(logging.DEBUG, logger="dynalab_core"):
core.start()
try:
with socket.create_connection(("127.0.0.1", port), timeout=1) as peer:
peer_file = peer.makefile("rb")
assert peer_file.readline()
peer.sendall(connector_hello.model_dump_json().encode("utf-8") + b"\n")
assert b'"type":"handshake_accepted"' in peer_file.readline()
core.stop()
finally:
if core._state != "stopped":
core.stop()
events = [getattr(record, "event", None) for record in caplog.records]
assert "json_server.stop_timeout" not in events
assert core._json_server._stopped_event.is_set()
assert not core._json_server._handler_tasks
assert core._connector_registry.get(connector_uuid) is None