langchain/libs/community/tests/unit_tests/chat_message_histories/test_imports.py

from langchain_community.chat_message_histories import __all__, _module_lookup

EXPECTED_ALL = [
    "AstraDBChatMessageHistory",
    "CassandraChatMessageHistory",
    "ChatMessageHistory",
    "CosmosDBChatMessageHistory",
    "DynamoDBChatMessageHistory",
    "ElasticsearchChatMessageHistory",
    "FileChatMessageHistory",
    "FirestoreChatMessageHistory",
    "MomentoChatMessageHistory",
    "MongoDBChatMessageHistory",
    "Neo4jChatMessageHistory",
    "PostgresChatMessageHistory",
    "RedisChatMessageHistory",
    "RocksetChatMessageHistory",
    "SQLChatMessageHistory",
    "SingleStoreDBChatMessageHistory",
    "StreamlitChatMessageHistory",
    "TiDBChatMessageHistory",
    "UpstashRedisChatMessageHistory",
    "XataChatMessageHistory",
    "ZepChatMessageHistory",
]


def test_all_imports() -> None:
    """Test that __all__ is correctly set."""
    assert set(__all__) == set(EXPECTED_ALL)
    assert set(__all__) == set(_module_lookup.keys())