a.py

try:
    import jinja2
    template = jinja2.Template("Hello {{ name }}!")
    assert template.render(name="World") == "Hello World!"
    print("✅ Jinja2 模板渲染测试通过")
except Exception as e:
    print("❌ Jinja2 测试失败:", e)

try:
    import jsonschema
    from jsonschema import validate
    schema = {"type": "object", "required": ["name"], "properties": {"name": {"type": "string"}}}
    instance = {"name": "test"}
    validate(instance=instance, schema=schema)
    print("✅ jsonschema 验证测试通过")
except Exception as e:
    print("❌ jsonschema 测试失败:", e)

try:
    import numpy
    a = numpy.array([1, 2, 3])
    assert len(a) == 3
    print("✅ Numpy 数组测试通过")
except Exception as e:
    print("❌ Numpy 测试失败:", e)

try:
    import pandas
    df = pandas.DataFrame({"col": [1, 2, 3]})
    assert len(df) == 3
    print("✅ Pandas DataFrame 测试通过")
except Exception as e:
    print("❌ Pandas 测试失败:", e)

try:
    import loguru
    from loguru import logger
    logger.add("test.log")
    logger.info("Test log message")
    with open("test.log", "r") as f:
        content = f.read()
        assert "Test log message" in content
    print("✅ Loguru 日志测试通过")
except Exception as e:
    print("❌ Loguru 测试失败:", e)

print("\n🎉 所有测试完成")