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test_tracing.py
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150 lines (113 loc) · 4.42 KB
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import weakref
import gc
import pytest
from sentry_sdk import Hub, capture_message
from sentry_sdk.tracing import Span
@pytest.mark.parametrize("sample_rate", [0.0, 1.0])
def test_basic(sentry_init, capture_events, sample_rate):
sentry_init(traces_sample_rate=sample_rate)
events = capture_events()
with Hub.current.start_span(transaction="hi") as span:
span.set_status("ok")
with pytest.raises(ZeroDivisionError):
with Hub.current.start_span(op="foo", description="foodesc"):
1 / 0
with Hub.current.start_span(op="bar", description="bardesc"):
pass
if sample_rate:
(event,) = events
span1, span2 = event["spans"]
parent_span = event
assert span1["tags"]["status"] == "internal_error"
assert span1["op"] == "foo"
assert span1["description"] == "foodesc"
assert "status" not in span2.get("tags", {})
assert span2["op"] == "bar"
assert span2["description"] == "bardesc"
assert parent_span["transaction"] == "hi"
assert "status" not in event["tags"]
assert event["contexts"]["trace"]["status"] == "ok"
else:
assert not events
@pytest.mark.parametrize("sampled", [True, False, None])
def test_continue_from_headers(sentry_init, capture_events, sampled):
sentry_init(traces_sample_rate=1.0, traceparent_v2=True)
events = capture_events()
with Hub.current.start_span(transaction="hi"):
with Hub.current.start_span() as old_span:
old_span.sampled = sampled
headers = dict(Hub.current.iter_trace_propagation_headers())
header = headers["sentry-trace"]
if sampled is True:
assert header.endswith("-1")
if sampled is False:
assert header.endswith("-0")
if sampled is None:
assert header.endswith("-")
span = Span.continue_from_headers(headers)
span.transaction = "WRONG"
assert span is not None
assert span.sampled == sampled
assert span.trace_id == old_span.trace_id
assert span.same_process_as_parent is False
assert span.parent_span_id == old_span.span_id
assert span.span_id != old_span.span_id
with Hub.current.start_span(span):
with Hub.current.configure_scope() as scope:
scope.transaction = "ho"
capture_message("hello")
if sampled is False:
trace1, message = events
assert trace1["transaction"] == "hi"
else:
trace1, message, trace2 = events
assert trace1["transaction"] == "hi"
assert trace2["transaction"] == "ho"
assert (
trace1["contexts"]["trace"]["trace_id"]
== trace2["contexts"]["trace"]["trace_id"]
== span.trace_id
== message["contexts"]["trace"]["trace_id"]
)
assert message["message"] == "hello"
def test_sampling_decided_only_for_transactions(sentry_init, capture_events):
sentry_init(traces_sample_rate=0.5)
with Hub.current.start_span(transaction="hi") as trace:
assert trace.sampled is not None
with Hub.current.start_span() as span:
assert span.sampled == trace.sampled
with Hub.current.start_span() as span:
assert span.sampled is None
@pytest.mark.parametrize(
"args,expected_refcount",
[({"traces_sample_rate": 1.0}, 100), ({"traces_sample_rate": 0.0}, 0)],
)
def test_memory_usage(sentry_init, capture_events, args, expected_refcount):
sentry_init(**args)
references = weakref.WeakSet()
with Hub.current.start_span(transaction="hi"):
for i in range(100):
with Hub.current.start_span(
op="helloworld", description="hi {}".format(i)
) as span:
def foo():
pass
references.add(foo)
span.set_tag("foo", foo)
pass
del foo
del span
# required only for pypy (cpython frees immediately)
gc.collect()
assert len(references) == expected_refcount
def test_span_trimming(sentry_init, capture_events):
sentry_init(traces_sample_rate=1.0, _experiments={"max_spans": 3})
events = capture_events()
with Hub.current.start_span(transaction="hi"):
for i in range(10):
with Hub.current.start_span(op="foo{}".format(i)):
pass
(event,) = events
span1, span2 = event["spans"]
assert span1["op"] == "foo0"
assert span2["op"] == "foo1"