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test_sequential_usage_multiple_inputs() — langchain Function Reference

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

Function python LangChainCore ApiManagement

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Dependency Diagram

graph TD
  9953367d_85b2_de52_51c4_1ca06e8485f9["test_sequential_usage_multiple_inputs()"]
  0021bb47_51ab_bafd_26b4_c2849000554a["test_sequential.py"]
  9953367d_85b2_de52_51c4_1ca06e8485f9 -->|defined in| 0021bb47_51ab_bafd_26b4_c2849000554a
  style 9953367d_85b2_de52_51c4_1ca06e8485f9 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/langchain/tests/unit_tests/chains/test_sequential.py lines 70–81

def test_sequential_usage_multiple_inputs() -> None:
    """Test sequential on multiple input chains."""
    chain_1 = FakeChain(input_variables=["foo", "test"], output_variables=["bar"])
    chain_2 = FakeChain(input_variables=["bar", "foo"], output_variables=["baz"])
    chain = SequentialChain(chains=[chain_1, chain_2], input_variables=["foo", "test"])  # type: ignore[call-arg]
    output = chain({"foo": "123", "test": "456"})
    expected_output = {
        "baz": "123 456foo 123foo",
        "foo": "123",
        "test": "456",
    }
    assert output == expected_output

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Frequently Asked Questions

What does test_sequential_usage_multiple_inputs() do?
test_sequential_usage_multiple_inputs() is a function in the langchain codebase, defined in libs/langchain/tests/unit_tests/chains/test_sequential.py.
Where is test_sequential_usage_multiple_inputs() defined?
test_sequential_usage_multiple_inputs() is defined in libs/langchain/tests/unit_tests/chains/test_sequential.py at line 70.

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