def test_span_error_report():
tracer = Tracer()
span = tracer.start_span('foo')
error_message = 'unexpected_situation'
with mock.patch.object(span, 'log_kv') as log_kv:
with mock.patch.object(span, 'set_tag') as set_tag:
try:
with span:
raise ValueError(error_message)
except ValueError:
pass
assert set_tag.call_count == 1
assert set_tag.call_args[0] == (tags.ERROR, True)
assert log_kv.call_count == 1
log_kv_args = log_kv.call_args[0][0]
assert log_kv_args.get(logs.EVENT, None) is tags.ERROR
assert log_kv_args.get(logs.MESSAGE, None) is error_message
assert log_kv_args.get(logs.ERROR_KIND, None) is ValueError
assert isinstance(log_kv_args.get(logs.ERROR_OBJECT, None),
ValueError)
assert isinstance(log_kv_args.get(logs.STACK, None),
types.TracebackType)
def test_span():
tracer = Tracer()
parent = tracer.start_span('parent')
child = tracer.start_span('test', references=child_of(parent.context))
assert parent == child
child.log_event('cache_hit', ['arg1', 'arg2'])
with mock.patch.object(parent, 'finish') as finish:
with mock.patch.object(parent, 'log_event') as log_event:
try:
with parent:
raise ValueError()
except ValueError:
pass
assert finish.call_count == 1
assert log_event.call_count == 1
with mock.patch.object(parent, 'finish') as finish:
with mock.patch.object(parent, 'log_event') as log_event:
with parent:
pass
assert finish.call_count == 1
assert log_event.call_count == 0
parent.set_tag('x', 'y').set_tag('z', 1) # test chaining
parent.set_tag(tags.PEER_SERVICE, 'test-service')
parent.set_tag(tags.PEER_HOST_IPV4, 127 << 24 + 1)
parent.set_tag(tags.PEER_HOST_IPV6, '::')
parent.set_tag(tags.PEER_HOSTNAME, 'uber.com')
parent.set_tag(tags.PEER_PORT, 123)
parent.finish()
def test_scope_manager_check_works(self):
api_check = APICompatibilityCheckMixin()
setattr(api_check, 'tracer', lambda: Tracer())
# these tests are expected to succeed
api_check.test_start_active_span_ignore_active_span()
api_check.test_start_span_propagation_ignore_active_span()
# no-op tracer has a no-op ScopeManager implementation,
# which means no *actual* propagation is done,
# so these tests are expected to work, but asserts to fail
with self.assertRaises(AssertionError):
api_check.test_start_active_span()
with self.assertRaises(AssertionError):
api_check.test_start_active_span_parent()
with self.assertRaises(AssertionError):
api_check.test_start_span_propagation()
with self.assertRaises(AssertionError):
api_check.test_tracer_start_active_span_scope()
with self.assertRaises(AssertionError):
api_check.test_tracer_start_span_scope()
with self.assertRaises(AssertionError):
api_check.test_start_active_span_finish_on_close()
def test_extract():
tracer = Tracer()
noop_span = tracer._noop_span
bin_carrier = bytearray()
span_ctx = tracer.extract(Format.BINARY, carrier=bin_carrier)
assert noop_span.context == span_ctx
text_carrier = {}
span_ctx = tracer.extract(Format.TEXT_MAP, carrier=text_carrier)
assert noop_span.context == span_ctx
def initialize(self):
SERVICE = "🦄 Stan ❤️s Python 🦄"
tracer.init(o.Options(service=SERVICE, log_level=logging.DEBUG))
print("Calling initialize " + str(self) + str(SERVICE))
today = datetime.datetime.now()
print(today)
self.tracer = Tracer()
self.span = self.tracer.start_span(operation_name='root')
self.span.set_tag('RequestHandler', 'MainHandler')
self.requestmethod = ""
self.clazzName = self.__class__.__name__
def test_baggage_check_works(self):
api_check = APICompatibilityCheckMixin()
setattr(api_check, 'tracer', lambda: Tracer())
# no-op tracer does not store baggage, so the test with default
# value of `check_baggage_values()` should fail.
with self.assertRaises(AssertionError):
api_check.test_span_baggage()
# second check that assert on empty baggage will fail too
with self.assertRaises(AssertionError):
api_check.test_context_baggage()
def test_inject():
tracer = Tracer()
span = tracer.start_span()
bin_carrier = bytearray()
tracer.inject(span_context=span.context,
format=Format.BINARY,
carrier=bin_carrier)
assert bin_carrier == bytearray()
text_carrier = {}
tracer.inject(span_context=span.context,
format=Format.TEXT_MAP,
carrier=text_carrier)
assert text_carrier == {}
def test_join_trace():
tracer = Tracer()
span_ctx = tracer.extract(format=Format.TEXT_MAP, carrier={})
span = tracer.start_span(operation_name='test',
references=opentracing.child_of(span_ctx))
span.set_tag('x', 'y')
span.set_baggage_item('a', 'b')
span.log_event('z')
child = tracer.start_span(operation_name='child',
references=opentracing.child_of(span.context))
child.log_event('w')
child.finish()
span.finish()
def test_new_trace():
tracer = Tracer()
span = tracer.start_span(operation_name='test')
span.set_baggage_item('Fry', 'Leela')
span.set_tag('x', 'y')
span.log_event('z')
child = tracer.start_span(operation_name='child',
references=opentracing.child_of(span.context))
child.log_event('w')
assert child.get_baggage_item('Fry') is None
carrier = {}
tracer.inject(span_context=child.context,
format=Format.TEXT_MAP,
carrier=carrier)
assert carrier == dict()
child.finish()
span.finish()
def tracer(self):
return Tracer()
def test_tracer():
tracer = Tracer()
span = tracer.start_span(operation_name='root')
child = tracer.start_span(operation_name='child',
references=child_of(span))
assert span == child
