mirror of
https://github.com/hwchase17/langchain
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38 lines
1.6 KiB
Python
38 lines
1.6 KiB
Python
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"""Test for CombinedMemory class"""
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# from langchain.prompts import PromptTemplate
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from typing import List
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import pytest
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from langchain.memory import CombinedMemory, ConversationBufferMemory
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@pytest.fixture()
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def example_memory() -> List[ConversationBufferMemory]:
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example_1 = ConversationBufferMemory(memory_key="foo")
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example_2 = ConversationBufferMemory(memory_key="bar")
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example_3 = ConversationBufferMemory(memory_key="bar")
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return [example_1, example_2, example_3]
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def test_basic_functionality(example_memory: List[ConversationBufferMemory]) -> None:
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"""Test basic functionality of methods exposed by class"""
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combined_memory = CombinedMemory(memories=[example_memory[0], example_memory[1]])
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assert combined_memory.memory_variables == ["foo", "bar"]
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assert combined_memory.load_memory_variables({}) == {"foo": "", "bar": ""}
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combined_memory.save_context(
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{"input": "Hello there"}, {"output": "Hello, how can I help you?"}
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)
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assert combined_memory.load_memory_variables({}) == {
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"foo": "Human: Hello there\nAI: Hello, how can I help you?",
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"bar": "Human: Hello there\nAI: Hello, how can I help you?",
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}
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combined_memory.clear()
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assert combined_memory.load_memory_variables({}) == {"foo": "", "bar": ""}
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def test_repeated_memory_var(example_memory: List[ConversationBufferMemory]) -> None:
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"""Test raising error when repeated memory variables found"""
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with pytest.raises(ValueError):
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CombinedMemory(memories=[example_memory[1], example_memory[2]])
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