aioesphomeapi/tests/test__frame_helper.py

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import asyncio
from unittest.mock import MagicMock
import pytest
from aioesphomeapi._frame_helper import APIPlaintextFrameHelper, Packet
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from aioesphomeapi.util import varuint_to_bytes
PREAMBLE = b"\x00"
@pytest.mark.asyncio
@pytest.mark.parametrize(
"in_bytes, pkt_data, pkt_type",
[
(PREAMBLE + varuint_to_bytes(0) + varuint_to_bytes(1), b"", 1),
(
PREAMBLE + varuint_to_bytes(192) + varuint_to_bytes(1) + (b"\x42" * 192),
(b"\x42" * 192),
1,
),
(
PREAMBLE + varuint_to_bytes(192) + varuint_to_bytes(100) + (b"\x42" * 192),
(b"\x42" * 192),
100,
),
(
PREAMBLE + varuint_to_bytes(4) + varuint_to_bytes(100) + (b"\x42" * 4),
(b"\x42" * 4),
100,
),
(
PREAMBLE
+ varuint_to_bytes(8192)
+ varuint_to_bytes(8192)
+ (b"\x42" * 8192),
(b"\x42" * 8192),
8192,
),
(
PREAMBLE + varuint_to_bytes(256) + varuint_to_bytes(256) + (b"\x42" * 256),
(b"\x42" * 256),
256,
),
],
)
async def test_plaintext_frame_helper(in_bytes, pkt_data, pkt_type):
for _ in range(5):
packets = []
def _packet(pkt: Packet):
packets.append(pkt)
def _on_error(exc: Exception):
raise exc
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helper = APIPlaintextFrameHelper(on_pkt=_packet, on_error=_on_error)
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helper.data_received(in_bytes)
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pkt = packets.pop()
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assert pkt.type == pkt_type
assert pkt.data == pkt_data