def make_ot_tracer(service_name="my_svc", config=None, scope_manager=None, context_provider=None):
config = config or {}
tracer = Tracer(service_name=service_name, config=config, scope_manager=scope_manager)
# similar to how we test the ddtracer, use a dummy tracer
dd_tracer = get_dummy_tracer()
if context_provider:
dd_tracer.configure(context_provider=context_provider)
# attach the dummy tracer to the opentracer
tracer._dd_tracer = dd_tracer
return tracer
def init_tracer(service_name, dd_tracer, scope_manager=None):
"""A method that emulates what a user of OpenTracing would call to
initialize a Datadog opentracer.
It accepts a Datadog tracer that should be the same one used for testing.
"""
writer = dd_tracer.writer
ot_tracer = Tracer(service_name,
dd_tracer=dd_tracer,
scope_manager=scope_manager)
dd_tracer.writer = writer
ot_tracer._dd_tracer = dd_tracer
return ot_tracer