test_requests_distributed.py 文件源码

def test_propagation_true(self):
        adapter = Adapter()
        tracer, session = get_traced_session()
        session.mount('mock', adapter)
        session.distributed_tracing = True

        with tracer.trace('root') as root:
            def matcher(request):
                return self.headers_here(tracer, request, root)
            adapter.register_uri('GET', 'mock://datadog/foo', additional_matcher=matcher, text='bar')
            resp = session.get('mock://datadog/foo')
            eq_(200, resp.status_code)
            eq_('bar', resp.text)

        spans = tracer.writer.spans
        root, req = spans
        eq_('root', root.name)
        eq_('requests.request', req.name)
        eq_(root.trace_id, req.trace_id)
        eq_(root.span_id, req.parent_id)