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test_sequential_usage_multiple_outputs() — langchain Function Reference

Architecture documentation for the test_sequential_usage_multiple_outputs() function in test_sequential.py from the langchain codebase.

Function python LangChainCore MessageInterface

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Dependency Diagram

graph TD
  ceac3636_8ecb_bf4d_f0e9_41d553e1d4d9["test_sequential_usage_multiple_outputs()"]
  0021bb47_51ab_bafd_26b4_c2849000554a["test_sequential.py"]
  ceac3636_8ecb_bf4d_f0e9_41d553e1d4d9 -->|defined in| 0021bb47_51ab_bafd_26b4_c2849000554a
  style ceac3636_8ecb_bf4d_f0e9_41d553e1d4d9 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/langchain/tests/unit_tests/chains/test_sequential.py lines 130–140

def test_sequential_usage_multiple_outputs() -> None:
    """Test sequential usage on multiple output chains."""
    chain_1 = FakeChain(input_variables=["foo"], output_variables=["bar", "test"])
    chain_2 = FakeChain(input_variables=["bar", "foo"], output_variables=["baz"])
    chain = SequentialChain(chains=[chain_1, chain_2], input_variables=["foo"])  # type: ignore[call-arg]
    output = chain({"foo": "123"})
    expected_output = {
        "baz": "123foo 123foo",
        "foo": "123",
    }
    assert output == expected_output

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Frequently Asked Questions

What does test_sequential_usage_multiple_outputs() do?
test_sequential_usage_multiple_outputs() is a function in the langchain codebase, defined in libs/langchain/tests/unit_tests/chains/test_sequential.py.
Where is test_sequential_usage_multiple_outputs() defined?
test_sequential_usage_multiple_outputs() is defined in libs/langchain/tests/unit_tests/chains/test_sequential.py at line 130.

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