Function conditional_sane_rowcount_warnings

test/orm/test_versioning.py:47–66

(
    update=False, delete=False, only_returning=False
)

@contextlib.contextmanager
def conditional_sane_rowcount_warnings(
    update=False, delete=False, only_returning=False
):
    warnings = ()
    if not testing.db.dialect.supports_sane_rowcount:
        if update:
            warnings += (
                "Dialect .* does not support "
                "updated rowcount - versioning cannot be verified.",
            )
        if delete:
            warnings += (
                "Dialect .* does not support "
                "deleted rowcount - versioning cannot be verified.",
            )

        with expect_warnings(*warnings):
            yield
    else:
        yield


class NullVersionIdTest(fixtures.MappedTest):