test_tracer.py 文件源码

def test_unserializable_span_with_finish():
    try:
        import numpy as np
    except ImportError:
        raise SkipTest("numpy not installed")

    # a weird case where manually calling finish with an unserializable
    # span was causing an loop of serialization.
    writer = DummyWriter()
    tracer = Tracer()
    tracer.writer = writer

    with tracer.trace("parent") as span:
        span.metrics['as'] = np.int64(1) # circumvent the data checks
        span.finish()