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Python: fix(redis): pass collection prefix as a list #13903

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Mukunda Rao Katta (MukundaKatta) wants to merge 1 commit into from
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Python: fix(redis): pass collection prefix as a list #13903

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2 changes: 1 addition & 1 deletion python/semantic_kernel/connectors/redis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -278,7 +278,7 @@ async def ensure_collection_exists(self, **kwargs) -> None:
raise VectorStoreOperationException("Invalid index type supplied.")
fields = _definition_to_redis_fields(self.definition, self.collection_type)
index_definition = IndexDefinition(
prefix=f"{self.collection_name}:", index_type=INDEX_TYPE_MAP[self.collection_type]
prefix=[f"{self.collection_name}:"], index_type=INDEX_TYPE_MAP[self.collection_type]
)
await self.redis_database.ft(self.collection_name).create_index(fields, definition=index_definition, **kwargs)

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32 changes: 31 additions & 1 deletion python/tests/unit/connectors/memory/test_redis_store.py
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Expand Up @@ -299,10 +299,40 @@ async def test_create_index_manual(collection_hash, mock_ensure_collection_exist
from redis.commands.search.index_definition import IndexDefinition, IndexType

fields = ["fields"]
index_definition = IndexDefinition(prefix="test:", index_type=IndexType.HASH)
index_definition = IndexDefinition(prefix=["test:"], index_type=IndexType.HASH)
await collection_hash.ensure_collection_exists(index_definition=index_definition, fields=fields)


async def test_create_index_fail(collection_hash, mock_ensure_collection_exists):
with raises(VectorStoreOperationException, match="Invalid index type supplied."):
await collection_hash.ensure_collection_exists(index_definition="index_definition", fields="fields")


@mark.parametrize(
("fixture_name", "expected_index_type"),
[
("collection_hash", "hash"),
("collection_json", "json"),
Comment on lines +310 to +315

@github-actions github-actions Bot Apr 21, 2026

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Bug: IndexType("hash") and IndexType("json") will raise ValueError because IndexType is an Enum with integer values (HASH = 1, JSON = 2), not string values. The parametrize should use the actual IndexType enum members directly.

Suggested change
@mark.parametrize(
("fixture_name", "expected_index_type"),
[
("collection_hash", "hash"),
("collection_json", "json"),
@mark.parametrize(
("fixture_name", "expected_index_type"),
[
("collection_hash", IndexType.HASH),
("collection_json", IndexType.JSON),
],
)

],
)
async def test_create_index_uses_single_collection_prefix(
request,
fixture_name,
expected_index_type,
mock_ensure_collection_exists,
):
collection = request.getfixturevalue(fixture_name)
from redis.commands.search.index_definition import IndexType

with patch("semantic_kernel.connectors.redis.IndexDefinition") as mock_index_definition:
definition = object()
mock_index_definition.return_value = definition

await collection.ensure_collection_exists()

mock_index_definition.assert_called_once_with(
prefix=["test:"],
index_type=IndexType(expected_index_type),
)
mock_ensure_collection_exists.assert_awaited_once()
assert mock_ensure_collection_exists.await_args.kwargs["definition"] is definition
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