test_tracer.py 文件源码

def test_propagation_with_new_context(self):
        # create multiple futures so that we expect multiple
        # traces instead of a single one
        ctx = Context(trace_id=100, span_id=101)
        self.tracer.context_provider.activate(ctx)

        def greenlet():
            with self.tracer.trace('greenlet') as span:
                gevent.sleep(0.01)

        jobs = [gevent.spawn(greenlet) for x in range(1)]
        gevent.joinall(jobs)

        traces = self.tracer.writer.pop_traces()
        eq_(1, len(traces))
        eq_(1, len(traces[0]))
        eq_(traces[0][0].trace_id, 100)
        eq_(traces[0][0].parent_id, 101)