etf/framework_v2/tests/test_flask_api_fetcher.py

"""
测试 FlaskAPIFetcher

验证：
1. 获取指数数据
2. 获取 ETF 数据
3. 获取交易日历
4. 健康检查
"""

import sys
from pathlib import Path

# 添加项目根目录到路径
project_root = Path(__file__).parent.parent.parent
if str(project_root) not in sys.path:
    sys.path.insert(0, str(project_root))

from framework_v2.shared.data import FlaskAPIFetcher


def test_health_check():
    """测试 1: 健康检查"""
    print("\n" + "=" * 60)
    print("  测试 1: 健康检查")
    print("=" * 60)
    
    fetcher = FlaskAPIFetcher()
    health = fetcher.get_health()
    
    print(f"\n健康状态: {health}")
    
    assert health.get('available'), "API 服务不可用"
    print("\n✓ 测试通过")


def test_fetch_indices():
    """测试 2: 获取指数数据"""
    print("\n" + "=" * 60)
    print("  测试 2: 获取指数数据")
    print("=" * 60)
    
    fetcher = FlaskAPIFetcher()
    
    # 获取沪深 300 + 中证 500
    codes = ["000300.SH", "000905.SH"]
    data = fetcher.fetch_indices(
        codes=codes,
        start="2024-01-01",
        end="2024-03-31"
    )
    
    # 验证
    assert len(data) == 2, f"应该返回 2 只指数，实际 {len(data)}"
    
    for code, df in data.items():
        print(f"\n{code}:")
        print(f"  数据量: {len(df)} 条")
        print(f"  列: {list(df.columns)}")
        print(f"  日期范围: {df.index[0]} ~ {df.index[-1]}")
        
        assert len(df) > 0, f"{code} 数据为空"
        assert 'close' in df.columns, f"{code} 缺少 close 列"
        assert 'volume' in df.columns, f"{code} 缺少 volume 列"
    
    print("\n✓ 测试通过")


def test_fetch_etf():
    """测试 3: 获取 ETF 数据"""
    print("\n" + "=" * 60)
    print("  测试 3: 获取 ETF 数据")
    print("=" * 60)
    
    fetcher = FlaskAPIFetcher()
    
    # 获取沪深 300 ETF
    codes = ["510300.SH"]
    data = fetcher.fetch_etf(
        codes=codes,
        start="2024-01-01",
        end="2024-03-31"
    )
    
    # 验证
    assert len(data) == 1, f"应该返回 1 只 ETF，实际 {len(data)}"
    
    code = "510300.SH"
    df = data[code]
    
    print(f"\n{code}:")
    print(f"  价格数据: {len(df)} 条")
    print(f"  列: {list(df.columns)}")
    
    # 验证附加信息
    nav = df.attrs.get('nav')
    if nav is not None:
        print(f"  净值数据: {len(nav)} 条")
    
    premium = df.attrs.get('latest_premium')
    if premium is not None:
        print(f"  最新溢价率: {premium:.2f}%")
    
    assert len(df) > 0, f"{code} 数据为空"
    assert 'close' in df.columns, f"{code} 缺少 close 列"
    
    print("\n✓ 测试通过")


def test_trading_calendar():
    """测试 4: 获取交易日历"""
    print("\n" + "=" * 60)
    print("  测试 4: 获取交易日历")
    print("=" * 60)
    
    fetcher = FlaskAPIFetcher()
    
    # A股日历
    calendar_a = fetcher.get_trading_calendar(market='A')
    print(f"\nA股交易日历:")
    print(f"  总天数: {len(calendar_a)}")
    print(f"  日期范围: {calendar_a[0]} ~ {calendar_a[-1]}")
    print(f"  前 5 天: {calendar_a[:5].tolist()}")
    
    assert len(calendar_a) > 0, "A股日历为空"
    
    # 美股日历
    calendar_us = fetcher.get_trading_calendar(market='US')
    print(f"\n美股交易日历:")
    print(f"  总天数: {len(calendar_us)}")
    
    assert len(calendar_us) > 0, "美股日历为空"
    
    print("\n✓ 测试通过")


def test_benchmark():
    """测试 5: 获取基准数据"""
    print("\n" + "=" * 60)
    print("  测试 5: 获取基准数据")
    print("=" * 60)
    
    fetcher = FlaskAPIFetcher()
    
    benchmark = fetcher.get_benchmark(
        code="000300.SH",
        start="2024-01-01",
        end="2024-03-31"
    )
    
    print(f"\n沪深 300 基准:")
    print(f"  数据量: {len(benchmark)} 条")
    print(f"  日期范围: {benchmark.index[0]} ~ {benchmark.index[-1]}")
    print(f"  价格范围: {benchmark.min():.2f} ~ {benchmark.max():.2f}")
    
    assert len(benchmark) > 0, "基准数据为空"
    assert isinstance(benchmark, pd.Series), "基准数据应该是 Series"
    
    print("\n✓ 测试通过")


if __name__ == "__main__":
    import pandas as pd
    
    print("\n" + "=" * 60)
    print("  FlaskAPIFetcher 测试")
    print("=" * 60)
    
    tests = [
        ("健康检查", test_health_check),
        ("指数数据", test_fetch_indices),
        ("ETF 数据", test_fetch_etf),
        ("交易日历", test_trading_calendar),
        ("基准数据", test_benchmark),
    ]
    
    passed = 0
    failed = 0
    
    for name, test_func in tests:
        try:
            test_func()
            passed += 1
        except Exception as e:
            print(f"\n✗ 测试失败: {name}")
            print(f"  错误: {e}")
            import traceback
            traceback.print_exc()
            failed += 1
    
    print("\n" + "=" * 60)
    print("  测试总结")
    print("=" * 60)
    print(f"  ✓ 通过 - {passed}")
    if failed > 0:
        print(f"  ✗ 失败 - {failed}")
    print(f"\n总计: {passed}/{passed + failed} 通过")
    print("=" * 60 + "\n")