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test_invoke_stream_passthrough_assign_trace() — langchain Function Reference

Architecture documentation for the test_invoke_stream_passthrough_assign_trace() function in test_runnable.py from the langchain codebase.

Function python LangChainCore Runnables calls 1

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Dependency Diagram

graph TD
  21a0df64_4c2c_2dd3_f44e_6680a5321094["test_invoke_stream_passthrough_assign_trace()"]
  26df6ad8_0189_51d0_c3c1_6c3248893ff5["test_runnable.py"]
  21a0df64_4c2c_2dd3_f44e_6680a5321094 -->|defined in| 26df6ad8_0189_51d0_c3c1_6c3248893ff5
  fb618d44_c03b_ea8b_385b_2278dfb173d4["invoke()"]
  21a0df64_4c2c_2dd3_f44e_6680a5321094 -->|calls| fb618d44_c03b_ea8b_385b_2278dfb173d4
  style 21a0df64_4c2c_2dd3_f44e_6680a5321094 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/core/tests/unit_tests/runnables/test_runnable.py lines 5376–5393

def test_invoke_stream_passthrough_assign_trace() -> None:
    def idchain_sync(_input: dict, /) -> bool:
        return False

    chain = RunnablePassthrough.assign(urls=idchain_sync)

    tracer = FakeTracer()
    chain.invoke({"example": [1, 2, 3]}, {"callbacks": [tracer]})

    assert tracer.runs[0].name == "RunnableAssign<urls>"
    assert tracer.runs[0].child_runs[0].name == "RunnableParallel<urls>"

    tracer = FakeTracer()
    for _ in chain.stream({"example": [1, 2, 3]}, {"callbacks": [tracer]}):
        pass

    assert tracer.runs[0].name == "RunnableAssign<urls>"
    assert tracer.runs[0].child_runs[0].name == "RunnableParallel<urls>"

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Frequently Asked Questions

What does test_invoke_stream_passthrough_assign_trace() do?
test_invoke_stream_passthrough_assign_trace() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/runnables/test_runnable.py.
Where is test_invoke_stream_passthrough_assign_trace() defined?
test_invoke_stream_passthrough_assign_trace() is defined in libs/core/tests/unit_tests/runnables/test_runnable.py at line 5376.
What does test_invoke_stream_passthrough_assign_trace() call?
test_invoke_stream_passthrough_assign_trace() calls 1 function(s): invoke.

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