test_tracer_chain_run() — langchain Function Reference

Architecture documentation for the test_tracer_chain_run() function in test_async_base_tracer.py from the langchain codebase.

Function python CoreAbstractions Serialization

Entity Profile

CoreAbstractions→ Serialization→ test_tracer_chain_run() — langchain Function Reference

Dependency Diagram

graph TD
  0c493ede_9142_3a38_0c5b_467cb6100ae2["test_tracer_chain_run()"]
  fafe6e9a_57bb_c323_638d_461ac496c1f9["test_async_base_tracer.py"]
  0c493ede_9142_3a38_0c5b_467cb6100ae2 -->|defined in| fafe6e9a_57bb_c323_638d_461ac496c1f9
  style 0c493ede_9142_3a38_0c5b_467cb6100ae2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/tracers/test_async_base_tracer.py lines 159–184

async def test_tracer_chain_run() -> None:
    """Test tracer on a Chain run."""
    uuid = uuid4()
    compare_run = Run(
        id=str(uuid),
        name="chain",
        start_time=datetime.now(timezone.utc),
        end_time=datetime.now(timezone.utc),
        events=[
            {"name": "start", "time": datetime.now(timezone.utc)},
            {"name": "end", "time": datetime.now(timezone.utc)},
        ],
        extra={},
        serialized={"name": "chain"},
        inputs={},
        outputs={},
        error=None,
        run_type="chain",
        trace_id=uuid,
        dotted_order=f"20230101T000000000000Z{uuid}",
    )
    tracer = FakeAsyncTracer()

    await tracer.on_chain_start(serialized={"name": "chain"}, inputs={}, run_id=uuid)
    await tracer.on_chain_end(outputs={}, run_id=uuid)
    assert tracer.runs == [compare_run]