mirror of
https://github.com/hwchase17/langchain
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91 lines
2.8 KiB
Python
91 lines
2.8 KiB
Python
"""Test Alibaba Tongyi Chat Model."""
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from langchain_core.callbacks import CallbackManager
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from langchain_core.messages import AIMessage, BaseMessage, HumanMessage
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from langchain_core.outputs import ChatGeneration, LLMResult
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from langchain_core.pydantic_v1 import SecretStr
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from pytest import CaptureFixture
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from langchain_community.chat_models.tongyi import ChatTongyi
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from tests.unit_tests.callbacks.fake_callback_handler import FakeCallbackHandler
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def test_api_key_is_string() -> None:
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llm = ChatTongyi(dashscope_api_key="secret-api-key")
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assert isinstance(llm.dashscope_api_key, SecretStr)
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def test_api_key_masked_when_passed_via_constructor(
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capsys: CaptureFixture,
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) -> None:
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llm = ChatTongyi(dashscope_api_key="secret-api-key")
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print(llm.dashscope_api_key, end="")
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captured = capsys.readouterr()
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assert captured.out == "**********"
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def test_default_call() -> None:
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"""Test default model call."""
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chat = ChatTongyi()
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response = chat(messages=[HumanMessage(content="Hello")])
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assert isinstance(response, BaseMessage)
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assert isinstance(response.content, str)
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def test_model() -> None:
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"""Test model kwarg works."""
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chat = ChatTongyi(model="qwen-plus")
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response = chat(messages=[HumanMessage(content="Hello")])
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assert isinstance(response, BaseMessage)
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assert isinstance(response.content, str)
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def test_multiple_history() -> None:
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"""Tests multiple history works."""
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chat = ChatTongyi()
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response = chat(
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messages=[
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HumanMessage(content="Hello."),
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AIMessage(content="Hello!"),
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HumanMessage(content="How are you doing?"),
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]
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)
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assert isinstance(response, BaseMessage)
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assert isinstance(response.content, str)
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def test_stream() -> None:
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"""Test that stream works."""
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chat = ChatTongyi(streaming=True)
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callback_handler = FakeCallbackHandler()
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callback_manager = CallbackManager([callback_handler])
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response = chat(
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messages=[
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HumanMessage(content="Hello."),
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AIMessage(content="Hello!"),
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HumanMessage(content="Who are you?"),
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],
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stream=True,
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callbacks=callback_manager,
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)
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assert callback_handler.llm_streams > 0
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assert isinstance(response.content, str)
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def test_multiple_messages() -> None:
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"""Tests multiple messages works."""
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chat = ChatTongyi()
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message = HumanMessage(content="Hi, how are you.")
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response = chat.generate([[message], [message]])
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assert isinstance(response, LLMResult)
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assert len(response.generations) == 2
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for generations in response.generations:
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assert len(generations) == 1
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for generation in generations:
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assert isinstance(generation, ChatGeneration)
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assert isinstance(generation.text, str)
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assert generation.text == generation.message.content
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