def test_func_span():
tracer = Tracer()
span = tracer.start_trace(operation_name='parent')
with RequestContextManager(span=span):
with func_span('test') as child_span:
assert span is child_span
with func_span('test', tags={'x': 'y'}) as child_span:
assert span is child_span
def test_db_span():
tracer = Tracer()
span = tracer.start_trace(operation_name='parent')
with RequestContextManager(span=span):
with db_span(_COMMIT, 'MySQLdb') as child_span:
assert span is child_span
with db_span('select * from X', 'MySQLdb') as child_span:
assert span is child_span
def test_tracer():
tracer = Tracer()
span = tracer.start_trace(operation_name='root')
child = tracer.join_trace(operation_name='child',
parent_trace_context=span.trace_context)
assert span == child
assert span.trace_context == child.trace_context
fut = tracer.close()
assert type(fut) is Future
fut.result(timeout=1)
