67 lines
1.8 KiB
Python
67 lines
1.8 KiB
Python
import pytest
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import asyncio
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from unittest.mock import AsyncMock, patch, MagicMock
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from src.data_stream import KlineStream
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@pytest.mark.asyncio
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async def test_kline_stream_parses_message():
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stream = KlineStream(symbol="XRPUSDT", interval="1m")
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raw_msg = {
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"k": {
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"t": 1700000000000,
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"o": "0.5000",
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"h": "0.5100",
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"l": "0.4900",
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"c": "0.5050",
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"v": "100000",
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"x": True,
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}
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}
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candle = stream.parse_kline(raw_msg)
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assert candle["close"] == 0.5050
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assert candle["is_closed"] is True
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@pytest.mark.asyncio
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async def test_callback_called_on_closed_candle():
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received = []
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stream = KlineStream(
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symbol="XRPUSDT",
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interval="1m",
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on_candle=lambda c: received.append(c),
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)
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raw_msg = {
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"k": {
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"t": 1700000000000,
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"o": "0.5",
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"h": "0.51",
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"l": "0.49",
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"c": "0.505",
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"v": "100000",
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"x": True,
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}
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}
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stream.handle_message(raw_msg)
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assert len(received) == 1
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@pytest.mark.asyncio
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async def test_preload_history_fills_buffer():
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stream = KlineStream(symbol="XRPUSDT", interval="1m", buffer_size=200)
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# REST API 응답 형식: [open_time, open, high, low, close, volume, ...]
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fake_klines = [
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[1700000000000 + i * 60000, "0.5", "0.51", "0.49", "0.505", "100000",
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0, "0", "0", "0", "0", "0"]
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for i in range(201) # 201개 반환 → 마지막 1개 제외 → 200개 버퍼
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]
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mock_client = AsyncMock()
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mock_client.futures_klines.return_value = fake_klines
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await stream._preload_history(mock_client, limit=200)
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assert len(stream.buffer) == 200
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assert stream.get_dataframe() is not None
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