def test_inject():
opts = options.Options()
ot.tracer = tracer.InstanaTracer(opts)
carrier = {}
span = ot.tracer.start_span("nosetests")
ot.tracer.inject(span.context, ot.Format.HTTP_HEADERS, carrier)
assert 'X-Instana-T' in carrier
assert_equals(carrier['X-Instana-T'],
util.id_to_header(span.context.trace_id))
assert 'X-Instana-S' in carrier
assert_equals(carrier['X-Instana-S'],
util.id_to_header(span.context.span_id))
assert 'X-Instana-L' in carrier
assert_equals(carrier['X-Instana-L'], "1")
def inject(self, span_context, carrier):
try:
trace_id = util.id_to_header(span_context.trace_id)
span_id = util.id_to_header(span_context.span_id)
if type(carrier) is dict or hasattr(carrier, "__dict__"):
carrier[self.HEADER_KEY_T] = trace_id
carrier[self.HEADER_KEY_S] = span_id
carrier[self.HEADER_KEY_L] = "1"
elif type(carrier) is list:
carrier.append((self.HEADER_KEY_T, trace_id))
carrier.append((self.HEADER_KEY_S, span_id))
carrier.append((self.HEADER_KEY_L, "1"))
else:
raise Exception("Unsupported carrier type", type(carrier))
except Exception as e:
log.debug("inject error: ", str(e))