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test_span_pointers.py
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from typing import List
from typing import NamedTuple
from ddtrace._trace._span_pointer import _SpanPointerDirection
from ddtrace._trace._span_pointer import _SpanPointerDescription
from datadog_lambda.trigger import _EventSource
from datadog_lambda.trigger import EventTypes
from datadog_lambda.span_pointers import calculate_span_pointers
import pytest
class TestCalculateSpanPointers:
class SpanPointersCase(NamedTuple):
name: str
event_source: _EventSource
event: dict
dd_botocore_span_pointers: bool
span_pointers: List[_SpanPointerDescription]
@pytest.mark.parametrize(
"test_case",
[
SpanPointersCase(
name="some unsupported event",
event_source=_EventSource(EventTypes.UNKNOWN),
event={},
dd_botocore_span_pointers=True,
span_pointers=[],
),
SpanPointersCase(
name="empty s3 event",
event_source=_EventSource(EventTypes.S3),
event={},
dd_botocore_span_pointers=True,
span_pointers=[],
),
SpanPointersCase(
name="sensible s3 event",
event_source=_EventSource(EventTypes.S3),
event={
"Records": [
{
"eventName": "ObjectCreated:Put",
"s3": {
"bucket": {
"name": "mybucket",
},
"object": {
"key": "mykey",
"eTag": "123abc",
},
},
},
],
},
dd_botocore_span_pointers=True,
span_pointers=[
_SpanPointerDescription(
pointer_kind="aws.s3.object",
pointer_direction=_SpanPointerDirection.UPSTREAM,
pointer_hash="8d49f5b0b742484159d4cd572bae1ce5",
extra_attributes={},
),
],
),
SpanPointersCase(
name="sensible s3 event with dd_botocore_span_pointers disabled",
event_source=_EventSource(EventTypes.S3),
event={
"Records": [
{
"eventName": "ObjectCreated:Put",
"s3": {
"bucket": {
"name": "mybucket",
},
"object": {
"key": "mykey",
"eTag": "123abc",
},
},
},
],
},
dd_botocore_span_pointers=False,
span_pointers=[],
),
SpanPointersCase(
name="malformed s3 event",
event_source=_EventSource(EventTypes.S3),
event={
"Records": [
{
"eventName": "ObjectCreated:Put",
"s3": {
"bucket": {
"name": "mybucket",
},
"object": {
"key": "mykey",
# missing eTag
},
},
},
],
},
dd_botocore_span_pointers=True,
span_pointers=[],
),
SpanPointersCase(
name="empty dynamodb event",
event_source=_EventSource(EventTypes.DYNAMODB),
event={},
dd_botocore_span_pointers=True,
span_pointers=[],
),
SpanPointersCase(
name="sensible dynamodb event",
event_source=_EventSource(EventTypes.DYNAMODB),
event={
"Records": [
{
"eventSourceARN": "arn:aws:dynamodb:us-west-2:123456789012:table/some-table/stream/2015-06-27T00:48:05.899",
"dynamodb": {
"Keys": {
"some-key": {"S": "some-value"},
},
},
},
{
"eventSourceARN": "arn:aws:dynamodb:us-west-2:123456789012:table/some-table/stream/2015-06-27T00:48:05.899",
"dynamodb": {
"Keys": {
"some-key": {"S": "some-other-value"},
},
},
},
],
},
dd_botocore_span_pointers=True,
span_pointers=[
_SpanPointerDescription(
pointer_kind="aws.dynamodb.item",
pointer_direction=_SpanPointerDirection.UPSTREAM,
pointer_hash="7f1aee721472bcb48701d45c7c7f7821",
extra_attributes={},
),
_SpanPointerDescription(
pointer_kind="aws.dynamodb.item",
pointer_direction=_SpanPointerDirection.UPSTREAM,
pointer_hash="36b820424312a6069bd3f2185f1af584",
extra_attributes={},
),
],
),
SpanPointersCase(
name="malformed dynamodb event",
event_source=_EventSource(EventTypes.DYNAMODB),
event={
"Records": [
{
"eventSourceARN": "arn:aws:dynamodb:us-west-2:123456789012:table/some-table", # missing stream info
"dynamodb": {
"Keys": {
"some-key": {"S": "some-value"},
},
},
},
],
},
dd_botocore_span_pointers=True,
span_pointers=[],
),
],
ids=lambda test_case: test_case.name,
)
def test_calculate_span_pointers(self, test_case: SpanPointersCase) -> None:
assert (
calculate_span_pointers(
test_case.event_source,
test_case.event,
botocore_add_span_pointers=test_case.dd_botocore_span_pointers,
)
== test_case.span_pointers
)