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import pytest
import trio
from libp2p.network.stream.exceptions import (
StreamClosed,
StreamEOF,
StreamReset,
)
from libp2p.tools.constants import (
MAX_READ_LEN,
)
DATA = b"data"
@pytest.mark.trio
async def test_net_stream_read_write(py_to_daemon_stream_pair, p2pds):
stream_py, stream_daemon = py_to_daemon_stream_pair
assert (
stream_py.protocol_id is not None
and stream_py.protocol_id == stream_daemon.stream_info.proto
)
await stream_py.write(DATA)
assert (await stream_daemon.read(MAX_READ_LEN)) == DATA
@pytest.mark.trio
async def test_net_stream_read_after_remote_closed(py_to_daemon_stream_pair, p2pds):
stream_py, stream_daemon = py_to_daemon_stream_pair
await stream_daemon.write(DATA)
await stream_daemon.close()
await trio.sleep(0.01)
assert (await stream_py.read(MAX_READ_LEN)) == DATA
# EOF
with pytest.raises(StreamEOF):
await stream_py.read(MAX_READ_LEN)
@pytest.mark.trio
async def test_net_stream_read_after_local_reset(py_to_daemon_stream_pair, p2pds):
stream_py, _ = py_to_daemon_stream_pair
await stream_py.reset()
with pytest.raises(StreamReset):
await stream_py.read(MAX_READ_LEN)
@pytest.mark.parametrize("is_to_fail_daemon_stream", (True,))
@pytest.mark.trio
@pytest.mark.skip
async def test_net_stream_read_after_remote_reset(py_to_daemon_stream_pair, p2pds):
stream_py, _ = py_to_daemon_stream_pair
await trio.sleep(0.01)
with pytest.raises(StreamReset):
await stream_py.read(MAX_READ_LEN)
@pytest.mark.trio
async def test_net_stream_write_after_local_closed(py_to_daemon_stream_pair, p2pds):
stream_py, _ = py_to_daemon_stream_pair
await stream_py.write(DATA)
await stream_py.close()
with pytest.raises(StreamClosed):
await stream_py.write(DATA)
@pytest.mark.trio
async def test_net_stream_write_after_local_reset(py_to_daemon_stream_pair, p2pds):
stream_py, stream_daemon = py_to_daemon_stream_pair
await stream_py.reset()
with pytest.raises(StreamClosed):
await stream_py.write(DATA)
@pytest.mark.parametrize("is_to_fail_daemon_stream", (True,))
@pytest.mark.trio
@pytest.mark.skip
async def test_net_stream_write_after_remote_reset(py_to_daemon_stream_pair, p2pds):
stream_py, _ = py_to_daemon_stream_pair
await trio.sleep(0.01)
with pytest.raises(StreamClosed):
await stream_py.write(DATA)
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