def test_has_header(self):
'''Test that the hook properly parses honeycomb trace headers'''
req = DictRequest({
# case shouldn't matter
'X-HoNEyComb-TrACE': header_value,
})
pc = hc.http_trace_parser_hook(req)
self.assertEqual(pc.trace_id, "bloop")
self.assertEqual(pc.parent_id, "scoop")
def http_trace_parser_hook(request):
"""
Retrieves the propagation context out of the request. Uses the honeycomb header, with W3C header as fallback.
"""
honeycomb_header_value = honeycomb.http_trace_parser_hook(request)
w3c_header_value = w3c.http_trace_parser_hook(request)
if honeycomb_header_value:
return honeycomb_header_value
else:
return w3c_header_value
def test_no_header(self):
req = DictRequest({})
pc = hc.http_trace_parser_hook(req)
self.assertIsNone(pc)