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d8ad0fd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 | import io
import boto3
from assert_transformation_module import UpperTransform
from botocore import stub
from aws_lambda_powertools.utilities.streaming import S3Object
from aws_lambda_powertools.utilities.streaming.compat import PowertoolsStreamingBody
def test_upper_transform():
# GIVEN
data_stream = io.BytesIO(b"hello world")
# WHEN
data_stream = UpperTransform().transform(data_stream)
# THEN
assert data_stream.read() == b"HELLO WORLD"
def test_s3_object_with_upper_transform():
# GIVEN
payload = b"hello world"
s3_client = boto3.client("s3")
s3_stub = stub.Stubber(s3_client)
s3_stub.add_response(
"get_object",
{"Body": PowertoolsStreamingBody(raw_stream=io.BytesIO(payload), content_length=len(payload))},
)
s3_stub.activate()
# WHEN
data_stream = S3Object(bucket="bucket", key="key", boto3_client=s3_client)
data_stream.transform(UpperTransform(), in_place=True)
# THEN
assert data_stream.read() == b"HELLO WORLD"
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