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1. 新增命令：实现 GetHistoryFundFlowCmd (0x052d Category 22) 用于拉取历史资金分布。 2. 新增模型：增加 HistoricalFundFlow 结构，支持超大/大/中/小单的双向统计。 3. 客户端 API：TdxClient/AsyncTdxClient 增加 get_history_fund_flow() 接口。 4. 单元测试：在 test_a_share_extensions.py 中增加响应包解析逻辑验证。 5. 文档更新：README.md 同步 API 及数据模型定义。
114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
"""针对本轮 A 股增强功能的单元测试。"""
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import pytest
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import struct
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from unittest.mock import patch, MagicMock, AsyncMock
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from xmtdx import TdxClient, Market
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from xmtdx.models.security import SecurityInfo
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from xmtdx.models.timeseries import TransactionRecord
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from xmtdx.models.quote import SecurityQuote
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from xmtdx.models.stats import FundFlow, HistoricalFundFlow, MarketStat
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@patch("xmtdx.client.TdxConnection")
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def test_get_fund_flow_logic(mock_conn_cls):
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"""测试资金流分类计算逻辑。"""
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mock_conn = mock_conn_cls.return_value
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client = TdxClient("127.0.0.1")
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# 构造模拟 Tick 数据
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mock_recs = [
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TransactionRecord(10, 0, 100.0, 100, 0, 0), # super_in (100*100*100 = 100w)
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TransactionRecord(10, 1, 10.0, 250, 1, 0), # large_out (10*250*100 = 25w)
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TransactionRecord(10, 2, 10.0, 10, 0, 0), # small_in (10*10*100 = 1w)
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]
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with patch.object(TdxClient, "get_transaction_data", return_value=mock_recs):
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flow = client.get_fund_flow(Market.SH, "600000")
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assert flow.super_in == 1000000.0
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assert flow.large_out == 250000.0
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assert flow.small_in == 10000.0
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assert flow.main_net_inflow == 1000000.0 - 250000.0
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@patch("xmtdx.client.TdxConnection")
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def test_get_security_list_all_filtering(mock_conn_cls):
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"""测试三市 A 股过滤与行业挂载逻辑。"""
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client = TdxClient("127.0.0.1")
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# 模拟行业配置 tdxhy.cfg
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industry_cfg = b"1|600000|T01|||X01\n0|000001|T02|||X02\n2|830000|T03|||X03"
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# 模拟各市场返回
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def mock_get_list(market, start):
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if market == Market.SH:
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return [
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SecurityInfo(Market.SH, "600000", "SH_A", 100, 2, 10.0),
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SecurityInfo(Market.SH, "999999", "INDEX", 100, 2, 3000.0), # 应被过滤
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]
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if market == Market.SZ:
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return [SecurityInfo(Market.SZ, "000001", "SZ_A", 100, 2, 10.0)]
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if market == Market.BJ:
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return [SecurityInfo(Market.BJ, "830000", "BJ_A", 100, 2, 10.0)]
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return []
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with patch.object(TdxClient, "get_report_file", return_value=industry_cfg), \
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patch.object(TdxClient, "get_security_count", return_value=1), \
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patch.object(TdxClient, "get_security_list", side_effect=mock_get_list):
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all_stocks = client.get_security_list_all()
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assert len(all_stocks) == 3
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codes = [s.code for s in all_stocks]
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assert "600000" in codes
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assert "000001" in codes
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assert "830000" in codes
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s0 = next(s for s in all_stocks if s.code == "600000")
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assert s0.industry_tdx == "T01"
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@patch("xmtdx.client.TdxConnection")
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def test_get_market_stat_mapping(mock_conn_cls):
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"""测试市场统计字段映射。"""
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client = TdxClient("127.0.0.1")
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mock_quote = SecurityQuote(
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Market.SH, "880005",
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price=3000.0, # up
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pre_close=2000.0, # down
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open=500.0, # neutral
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high=5500.0, # total
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low=100.0, vol=1000000.0, cur_vol=0, amount=50000000.0,
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s_vol=0, b_vol=0, active1=0, active2=0,
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bid1=0, bid_vol1=0, bid2=0, bid_vol2=0, bid3=0, bid_vol3=0, bid4=0, bid_vol4=0, bid5=0, bid_vol5=0,
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ask1=0, ask_vol1=0, ask2=0, ask_vol2=0, ask3=0, ask_vol3=0, ask4=0, ask_vol4=0, ask5=0, ask_vol5=0,
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rise_speed=0, limit_up=0, limit_down=0
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)
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with patch.object(TdxClient, "get_security_quotes", return_value=[mock_quote]):
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stat = client.get_market_stat()
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assert stat.up_count == 3000
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assert stat.total_count == 5500
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def test_get_history_fund_flow_parsing():
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"""测试历史资金流序列解析逻辑。"""
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from xmtdx.commands.fund_flow import GetHistoryFundFlowCmd
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# 模拟 Category 22 响应 (Header 9 + Count 2 + Body 36)
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body = bytearray(9)
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body.extend(struct.pack("<H", 1)) # 1 record
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# Record: Date(I) + 8 * custom_float(i)
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# 2025-01-08
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date = 20250108
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# 模拟 8 个流向金额
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record = struct.pack("<Iiiiiiiii", date, 100, 200, 300, 400, 500, 600, 700, 800)
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body.extend(record)
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cmd = GetHistoryFundFlowCmd(Market.SH, "600000", 0, 1)
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res = cmd.parse_response(bytes(body))
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assert len(res) == 1
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assert res[0].year == 2025
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assert res[0].month == 1
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assert res[0].day == 8
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