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test_nonzero_exit_code_returns_error() — langchain Function Reference

Architecture documentation for the test_nonzero_exit_code_returns_error() function in test_shell_tool.py from the langchain codebase.

Function python LangChainCore Runnables calls 1

Entity Profile

Dependency Diagram

graph TD
  8186ea47_5d07_904f_f2f3_eb3ebb575a72["test_nonzero_exit_code_returns_error()"]
  f21fd460_1d0c_cb92_cfa1_eae0890e2f58["test_shell_tool.py"]
  8186ea47_5d07_904f_f2f3_eb3ebb575a72 -->|defined in| f21fd460_1d0c_cb92_cfa1_eae0890e2f58
  1bc202d6_8b54_02e9_fadd_ff3171c38a75["_empty_state()"]
  8186ea47_5d07_904f_f2f3_eb3ebb575a72 -->|calls| 1bc202d6_8b54_02e9_fadd_ff3171c38a75
  style 8186ea47_5d07_904f_f2f3_eb3ebb575a72 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_shell_tool.py lines 279–301

def test_nonzero_exit_code_returns_error(tmp_path: Path) -> None:
    """Test that non-zero exit codes are marked as errors."""
    middleware = ShellToolMiddleware(workspace_root=tmp_path / "workspace")
    runtime = Runtime()
    state = _empty_state()
    try:
        updates = middleware.before_agent(state, runtime)
        if updates:
            state.update(cast("ShellToolState", updates))
        resources = middleware._get_or_create_resources(state)

        result = middleware._run_shell_tool(
            resources,
            {"command": "false"},  # Command that exits with 1 but doesn't kill shell
            tool_call_id="test-id",
        )

        assert isinstance(result, ToolMessage)
        assert result.status == "error"
        assert "Exit code: 1" in result.content
        assert result.artifact["exit_code"] == 1
    finally:
        middleware.after_agent(state, runtime)

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Defined In

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Frequently Asked Questions

What does test_nonzero_exit_code_returns_error() do?
test_nonzero_exit_code_returns_error() is a function in the langchain codebase, defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_shell_tool.py.
Where is test_nonzero_exit_code_returns_error() defined?
test_nonzero_exit_code_returns_error() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_shell_tool.py at line 279.
What does test_nonzero_exit_code_returns_error() call?
test_nonzero_exit_code_returns_error() calls 1 function(s): _empty_state.

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