Nadav Har'El c049992a93 test/alternator: more tests for ExclusiveStartKey in Query ...

We already have in test/alternator/test_query.py a test -
test_query_exclusivestartkey - for one successful uses of
ExclusiveStartKey. But we missed testing quite a few edge cases of
this parameter, so this patch adds more tests for it - see the
comments on each individual test explaining its purpose.

With the new tests, we actually identified three cases where we got
the error handling wrong - cases of ExclusiveStartKey which DynamoDB
refuses, but Alternator allows. So three of the tests included here
pass on DynamoDB but fail on Alternator, so are marked with "xfail".

Refs #26988 - which is a new issue about these three cases of missing
validation.

Signed-off-by: Nadav Har'El <nyh@scylladb.com>

2025-11-17 22:07:27 +02:00

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