Class FakeChatMessageHistory

Base class for all chat message histories. All chat message histories should extend this class.

Hierarchy (view full)

BaseChatMessageHistory
- FakeChatMessageHistory

Index

Constructors

Properties

Methods

addAIChatMessage addMessage addMessages addUserMessage clear getMessages toJSON toJSONNotImplemented

Constructors

constructor

new FakeChatMessageHistory(): FakeChatMessageHistory
Returns FakeChatMessageHistory
Overrides BaseChatMessageHistory.constructor
- Defined in langchain-core/src/utils/testing/index.ts:491

Properties

messages

messages: BaseMessage[] = []

Methods

addAIChatMessage

addAIChatMessage(message): Promise<void>
Parameters
- message: string
Returns Promise<void>
Overrides BaseChatMessageHistory.addAIChatMessage
- Defined in langchain-core/src/utils/testing/index.ts:507

addMessage

addMessage(message): Promise<void>
Parameters
- message: BaseMessage
Returns Promise<void>
Overrides BaseChatMessageHistory.addMessage
- Defined in langchain-core/src/utils/testing/index.ts:499

addMessages

addMessages(messages): Promise<void>
Add a list of messages.

Implementations should override this method to handle bulk addition of messages in an efficient manner to avoid unnecessary round-trips to the underlying store.
Parameters
- messages: BaseMessage[]
  A list of BaseMessage objects to store.
Returns Promise<void>
Inherited from BaseChatMessageHistory.addMessages
- Defined in langchain-core/src/chat_history.ts:27

addUserMessage

addUserMessage(message): Promise<void>
Parameters
- message: string
Returns Promise<void>
Overrides BaseChatMessageHistory.addUserMessage
- Defined in langchain-core/src/utils/testing/index.ts:503

clear

clear(): Promise<void>
Returns Promise<void>
Overrides BaseChatMessageHistory.clear
- Defined in langchain-core/src/utils/testing/index.ts:511

getMessages

getMessages(): Promise<BaseMessage[]>
Returns Promise<BaseMessage[]>
Overrides BaseChatMessageHistory.getMessages
- Defined in langchain-core/src/utils/testing/index.ts:495

toJSON

toJSON(): Serialized
Returns Serialized
Inherited from BaseChatMessageHistory.toJSON
- Defined in langchain-core/src/load/serializable.ts:147

toJSONNotImplemented

toJSONNotImplemented(): SerializedNotImplemented
Returns SerializedNotImplemented
Inherited from BaseChatMessageHistory.toJSONNotImplemented
- Defined in langchain-core/src/load/serializable.ts:221