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test_restart_resets_session_environment() — langchain Function Reference

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

Function python LangChainCore Runnables calls 1

Entity Profile

Dependency Diagram

graph TD
  c17b03c1_b453_f139_05ae_208fa059c86c["test_restart_resets_session_environment()"]
  f21fd460_1d0c_cb92_cfa1_eae0890e2f58["test_shell_tool.py"]
  c17b03c1_b453_f139_05ae_208fa059c86c -->|defined in| f21fd460_1d0c_cb92_cfa1_eae0890e2f58
  1bc202d6_8b54_02e9_fadd_ff3171c38a75["_empty_state()"]
  c17b03c1_b453_f139_05ae_208fa059c86c -->|calls| 1bc202d6_8b54_02e9_fadd_ff3171c38a75
  style c17b03c1_b453_f139_05ae_208fa059c86c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_shell_tool.py lines 51–72

def test_restart_resets_session_environment(tmp_path: Path) -> None:
    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)

        middleware._run_shell_tool(resources, {"command": "export FOO=bar"}, tool_call_id=None)
        restart_message = middleware._run_shell_tool(
            resources, {"restart": True}, tool_call_id=None
        )
        assert "restarted" in restart_message.lower()
        resources = middleware._get_or_create_resources(state)  # reacquire after restart
        result = middleware._run_shell_tool(
            resources, {"command": "echo ${FOO:-unset}"}, tool_call_id=None
        )
        assert "unset" in result
    finally:
        middleware.after_agent(state, runtime)

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does test_restart_resets_session_environment() do?
test_restart_resets_session_environment() 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_restart_resets_session_environment() defined?
test_restart_resets_session_environment() is defined in libs/langchain_v1/tests/unit_tests/agents/middleware/implementations/test_shell_tool.py at line 51.
What does test_restart_resets_session_environment() call?
test_restart_resets_session_environment() calls 1 function(s): _empty_state.

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