langchain Architecture Docs
Home / Function/ test_executes_command_and_persists_state() — langchain Function Reference

test_executes_command_and_persists_state() — langchain Function Reference

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

Function python LangChainCore Runnables calls 1

Entity Profile

Dependency Diagram

graph TD
  b59c26d0_28af_7afe_c898_0027616440fd["test_executes_command_and_persists_state()"]
  f21fd460_1d0c_cb92_cfa1_eae0890e2f58["test_shell_tool.py"]
  b59c26d0_28af_7afe_c898_0027616440fd -->|defined in| f21fd460_1d0c_cb92_cfa1_eae0890e2f58
  1bc202d6_8b54_02e9_fadd_ff3171c38a75["_empty_state()"]
  b59c26d0_28af_7afe_c898_0027616440fd -->|calls| 1bc202d6_8b54_02e9_fadd_ff3171c38a75
  style b59c26d0_28af_7afe_c898_0027616440fd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_shell_tool.py lines 28–48

def test_executes_command_and_persists_state(tmp_path: Path) -> None:
    workspace = tmp_path / "workspace"
    middleware = ShellToolMiddleware(workspace_root=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)

        middleware._run_shell_tool(resources, {"command": "cd /"}, tool_call_id=None)
        result = middleware._run_shell_tool(resources, {"command": "pwd"}, tool_call_id=None)
        assert isinstance(result, str)
        assert result.strip() == "/"
        echo_result = middleware._run_shell_tool(
            resources, {"command": "echo ready"}, tool_call_id=None
        )
        assert "ready" in echo_result
    finally:
        middleware.after_agent(state, runtime)

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does test_executes_command_and_persists_state() do?
test_executes_command_and_persists_state() 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_executes_command_and_persists_state() defined?
test_executes_command_and_persists_state() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_shell_tool.py at line 28.
What does test_executes_command_and_persists_state() call?
test_executes_command_and_persists_state() calls 1 function(s): _empty_state.

Analyze Your Own Codebase

Get architecture documentation, dependency graphs, and domain analysis for your codebase in minutes.

Try Supermodel Free