Files
2026-07-13 12:39:17 +08:00

814 lines
26 KiB
Python

from __future__ import annotations
import json
from typing import Any, cast
import pytest
from agents import (
Agent,
RunConfig,
RunContextWrapper,
RunHooks,
ShellCallOutcome,
ShellCommandOutput,
ShellResult,
ShellTool,
UserError,
set_tracing_disabled,
trace,
)
from agents.items import ToolApprovalItem, ToolCallOutputItem
from agents.run_internal.run_loop import ShellAction, ToolRunShellCall, execute_shell_calls
from agents.tool import ShellOnApprovalFunctionResult
from .testing_processor import SPAN_PROCESSOR_TESTING
from .utils.hitl import (
HITL_REJECTION_MSG,
make_context_wrapper,
make_model_and_agent,
make_on_approval_callback,
make_shell_call,
reject_tool_call,
require_approval,
)
def _get_function_span(tool_name: str) -> dict[str, Any]:
for span in SPAN_PROCESSOR_TESTING.get_ordered_spans(including_empty=True):
exported = span.export()
if not exported:
continue
span_data = exported.get("span_data")
if not isinstance(span_data, dict):
continue
if span_data.get("type") == "function" and span_data.get("name") == tool_name:
return exported
raise AssertionError(f"Function span for tool '{tool_name}' not found")
def _shell_call(call_id: str = "call_shell") -> dict[str, Any]:
return cast(
dict[str, Any],
make_shell_call(
call_id,
id_value="shell_call",
commands=["echo hi"],
status="completed",
),
)
def test_shell_tool_defaults_to_local_environment() -> None:
shell_tool = ShellTool(executor=lambda request: "ok")
assert shell_tool.environment == {"type": "local"}
assert shell_tool.executor is not None
def test_shell_tool_supports_hosted_environment_without_executor() -> None:
shell_tool = ShellTool(
environment={
"type": "container_reference",
"container_id": "cntr_123",
}
)
assert shell_tool.environment == {"type": "container_reference", "container_id": "cntr_123"}
assert shell_tool.executor is None
def test_shell_tool_normalizes_container_auto_environment() -> None:
shell_tool = ShellTool(
environment={
"type": "container_auto",
"file_ids": ["file_123"],
"memory_limit": "4g",
"network_policy": {
"type": "allowlist",
"allowed_domains": ["example.com"],
"domain_secrets": [
{
"domain": "example.com",
"name": "API_TOKEN",
"value": "secret",
}
],
},
"skills": [
{"type": "skill_reference", "skill_id": "skill_123", "version": "latest"},
{
"type": "inline",
"name": "csv-workbench",
"description": "Analyze CSV files.",
"source": {
"type": "base64",
"media_type": "application/zip",
"data": "ZmFrZS16aXA=",
},
},
],
}
)
assert shell_tool.environment == {
"type": "container_auto",
"file_ids": ["file_123"],
"memory_limit": "4g",
"network_policy": {
"type": "allowlist",
"allowed_domains": ["example.com"],
"domain_secrets": [
{
"domain": "example.com",
"name": "API_TOKEN",
"value": "secret",
}
],
},
"skills": [
{"type": "skill_reference", "skill_id": "skill_123", "version": "latest"},
{
"type": "inline",
"name": "csv-workbench",
"description": "Analyze CSV files.",
"source": {
"type": "base64",
"media_type": "application/zip",
"data": "ZmFrZS16aXA=",
},
},
],
}
def test_shell_tool_rejects_local_mode_without_executor() -> None:
with pytest.raises(UserError, match="requires an executor"):
ShellTool()
with pytest.raises(UserError, match="requires an executor"):
ShellTool(environment={"type": "local"})
def test_shell_tool_allows_unvalidated_hosted_environment_shapes() -> None:
shell_tool = ShellTool(environment=cast(Any, {"type": "container_reference"}))
assert shell_tool.environment == {"type": "container_reference"}
shell_tool = ShellTool(
environment=cast(
Any,
{
"type": "container_auto",
"network_policy": {
"type": "future_mode",
"allowed_domains": ["example.com"],
"some_new_field": True,
},
"skills": [{"type": "skill_reference"}],
},
)
)
assert isinstance(shell_tool.environment, dict)
assert shell_tool.environment["type"] == "container_auto"
def test_shell_tool_rejects_local_executor_and_approval_for_hosted_environment() -> None:
with pytest.raises(UserError, match="does not accept an executor"):
ShellTool(
executor=lambda request: "ok",
environment={"type": "container_reference", "container_id": "cntr_123"},
)
with pytest.raises(UserError, match="does not support needs_approval or on_approval"):
ShellTool(
environment={"type": "container_reference", "container_id": "cntr_123"},
needs_approval=True,
)
with pytest.raises(UserError, match="does not support needs_approval or on_approval"):
ShellTool(
environment={"type": "container_reference", "container_id": "cntr_123"},
on_approval=lambda _context, _item: {"approve": True},
)
@pytest.mark.asyncio
async def test_execute_shell_calls_surfaces_missing_local_executor() -> None:
shell_tool = ShellTool(
environment={
"type": "container_reference",
"container_id": "cntr_123",
}
)
tool_run = ToolRunShellCall(tool_call=_shell_call(), shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
result = await execute_shell_calls(
public_agent=agent,
calls=[tool_run],
context_wrapper=context_wrapper,
hooks=RunHooks[Any](),
config=RunConfig(),
)
assert len(result) == 1
output_item = result[0]
assert isinstance(output_item, ToolCallOutputItem)
assert output_item.output == "Shell tool has no local executor configured."
raw_item = cast(dict[str, Any], output_item.raw_item)
assert raw_item["type"] == "shell_call_output"
assert raw_item["call_id"] == "call_shell"
assert raw_item["status"] == "failed"
@pytest.mark.asyncio
async def test_shell_tool_structured_output_is_rendered() -> None:
shell_tool = ShellTool(
executor=lambda request: ShellResult(
output=[
ShellCommandOutput(
command="echo hi",
stdout="hi\n",
outcome=ShellCallOutcome(type="exit", exit_code=0),
),
ShellCommandOutput(
command="ls",
stdout="README.md\nsrc\n",
stderr="warning",
outcome=ShellCallOutcome(type="exit", exit_code=1),
),
],
provider_data={"runner": "demo"},
max_output_length=4096,
)
)
tool_call = _shell_call()
tool_call["action"]["commands"] = ["echo hi", "ls"]
tool_call["action"]["max_output_length"] = 4096
tool_run = ToolRunShellCall(tool_call=tool_call, shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
assert "$ echo hi" in result.output
assert "stderr:\nwarning" in result.output
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["type"] == "shell_call_output"
assert raw_item["status"] == "completed"
assert raw_item["provider_data"]["runner"] == "demo"
assert raw_item["max_output_length"] == 4096
shell_output = raw_item["shell_output"]
assert shell_output[1]["exit_code"] == 1
assert isinstance(raw_item["output"], list)
first_output = raw_item["output"][0]
assert first_output["stdout"].startswith("hi")
assert first_output["outcome"]["type"] == "exit"
assert first_output["outcome"]["exit_code"] == 0
assert "command" not in first_output
input_payload = result.to_input_item()
assert isinstance(input_payload, dict)
payload_dict = cast(dict[str, Any], input_payload)
assert payload_dict["type"] == "shell_call_output"
assert "status" not in payload_dict
assert "shell_output" not in payload_dict
assert "provider_data" not in payload_dict
@pytest.mark.asyncio
async def test_shell_tool_emits_function_span() -> None:
shell_tool = ShellTool(executor=lambda request: "shell span output")
tool_run = ToolRunShellCall(tool_call=_shell_call("call_shell_trace"), shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
set_tracing_disabled(False)
with trace("shell-span-test"):
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
function_span = _get_function_span(shell_tool.name)
span_data = cast(dict[str, Any], function_span["span_data"])
assert "echo hi" in cast(str, span_data.get("input", ""))
assert span_data.get("output") == "shell span output"
@pytest.mark.asyncio
async def test_shell_tool_redacts_span_error_when_sensitive_data_disabled() -> None:
secret_error = "shell secret output"
class ExplodingExecutor:
def __call__(self, request):
raise RuntimeError(secret_error)
shell_tool = ShellTool(executor=ExplodingExecutor())
tool_run = ToolRunShellCall(
tool_call=_shell_call("call_shell_trace_redacted"),
shell_tool=shell_tool,
)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
set_tracing_disabled(False)
with trace("shell-span-redaction-test"):
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(trace_include_sensitive_data=False),
)
assert isinstance(result, ToolCallOutputItem)
function_span = _get_function_span(shell_tool.name)
assert function_span.get("error") == {
"message": "Error running tool",
"data": {
"tool_name": shell_tool.name,
"error": "Tool execution failed. Error details are redacted.",
},
}
assert secret_error not in json.dumps(function_span)
span_data = cast(dict[str, Any], function_span["span_data"])
assert span_data.get("input") is None
assert span_data.get("output") is None
@pytest.mark.asyncio
async def test_shell_tool_executor_failure_returns_error() -> None:
class ExplodingExecutor:
def __call__(self, request):
raise RuntimeError("boom" * 10)
shell_tool = ShellTool(executor=ExplodingExecutor())
tool_call = {
"type": "shell_call",
"id": "shell_call_fail",
"call_id": "call_shell_fail",
"status": "completed",
"action": {
"commands": ["echo boom"],
"timeout_ms": 1000,
"max_output_length": 6,
},
}
tool_run = ToolRunShellCall(tool_call=tool_call, shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
assert result.output == "boombo"
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["type"] == "shell_call_output"
assert raw_item["status"] == "failed"
assert raw_item["max_output_length"] == 6
assert isinstance(raw_item["output"], list)
assert raw_item["output"][0]["stdout"] == "boombo"
first_output = raw_item["output"][0]
assert first_output["outcome"]["type"] == "exit"
assert first_output["outcome"]["exit_code"] == 1
assert "command" not in first_output
assert isinstance(raw_item["output"], list)
input_payload = result.to_input_item()
assert isinstance(input_payload, dict)
payload_dict = cast(dict[str, Any], input_payload)
assert payload_dict["type"] == "shell_call_output"
assert "status" not in payload_dict
assert "shell_output" not in payload_dict
assert "provider_data" not in payload_dict
@pytest.mark.asyncio
async def test_shell_tool_output_respects_max_output_length() -> None:
shell_tool = ShellTool(
executor=lambda request: ShellResult(
output=[
ShellCommandOutput(
stdout="0123456789",
stderr="abcdef",
outcome=ShellCallOutcome(type="exit", exit_code=0),
)
],
)
)
tool_call = {
"type": "shell_call",
"id": "shell_call",
"call_id": "call_shell",
"status": "completed",
"action": {
"commands": ["echo hi"],
"timeout_ms": 1000,
"max_output_length": 6,
},
}
tool_run = ToolRunShellCall(tool_call=tool_call, shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
assert result.output == "012345"
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["max_output_length"] == 6
assert raw_item["output"][0]["stdout"] == "012345"
assert raw_item["output"][0]["stderr"] == ""
@pytest.mark.asyncio
async def test_shell_tool_uses_smaller_max_output_length() -> None:
shell_tool = ShellTool(
executor=lambda request: ShellResult(
output=[
ShellCommandOutput(
stdout="0123456789",
stderr="abcdef",
outcome=ShellCallOutcome(type="exit", exit_code=0),
)
],
max_output_length=8,
)
)
tool_call = {
"type": "shell_call",
"id": "shell_call",
"call_id": "call_shell",
"status": "completed",
"action": {
"commands": ["echo hi"],
"timeout_ms": 1000,
"max_output_length": 6,
},
}
tool_run = ToolRunShellCall(tool_call=tool_call, shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
assert result.output == "012345"
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["max_output_length"] == 6
assert raw_item["output"][0]["stdout"] == "012345"
assert raw_item["output"][0]["stderr"] == ""
@pytest.mark.asyncio
async def test_shell_tool_executor_can_override_max_output_length_to_zero() -> None:
shell_tool = ShellTool(
executor=lambda request: ShellResult(
output=[
ShellCommandOutput(
stdout="0123456789",
stderr="abcdef",
outcome=ShellCallOutcome(type="exit", exit_code=0),
)
],
max_output_length=0,
)
)
tool_call = {
"type": "shell_call",
"id": "shell_call",
"call_id": "call_shell",
"status": "completed",
"action": {
"commands": ["echo hi"],
"timeout_ms": 1000,
"max_output_length": 6,
},
}
tool_run = ToolRunShellCall(tool_call=tool_call, shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
assert result.output == ""
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["max_output_length"] == 0
assert raw_item["output"][0]["stdout"] == ""
assert raw_item["output"][0]["stderr"] == ""
@pytest.mark.asyncio
async def test_shell_tool_action_can_request_zero_max_output_length() -> None:
shell_tool = ShellTool(
executor=lambda request: ShellResult(
output=[
ShellCommandOutput(
stdout="0123456789",
stderr="abcdef",
outcome=ShellCallOutcome(type="exit", exit_code=0),
)
],
)
)
tool_call = {
"type": "shell_call",
"id": "shell_call",
"call_id": "call_shell",
"status": "completed",
"action": {
"commands": ["echo hi"],
"timeout_ms": 1000,
"max_output_length": 0,
},
}
tool_run = ToolRunShellCall(tool_call=tool_call, shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
assert result.output == ""
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["max_output_length"] == 0
assert raw_item["output"][0]["stdout"] == ""
assert raw_item["output"][0]["stderr"] == ""
@pytest.mark.asyncio
async def test_shell_tool_action_negative_max_output_length_clamps_to_zero() -> None:
shell_tool = ShellTool(
executor=lambda request: ShellResult(
output=[
ShellCommandOutput(
stdout="0123456789",
stderr="abcdef",
outcome=ShellCallOutcome(type="exit", exit_code=0),
)
],
)
)
tool_call = {
"type": "shell_call",
"id": "shell_call",
"call_id": "call_shell",
"status": "completed",
"action": {
"commands": ["echo hi"],
"timeout_ms": 1000,
"max_output_length": -5,
},
}
tool_run = ToolRunShellCall(tool_call=tool_call, shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = RunContextWrapper(context=None)
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
assert result.output == ""
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["max_output_length"] == 0
assert raw_item["output"][0]["stdout"] == ""
assert raw_item["output"][0]["stderr"] == ""
@pytest.mark.asyncio
async def test_shell_tool_needs_approval_returns_approval_item() -> None:
"""Test that shell tool with needs_approval=True returns ToolApprovalItem."""
shell_tool = ShellTool(
executor=lambda request: "output",
needs_approval=require_approval,
)
tool_run = ToolRunShellCall(tool_call=_shell_call(), shell_tool=shell_tool)
_, agent = make_model_and_agent(tools=[shell_tool], name="shell-agent")
context_wrapper = make_context_wrapper()
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolApprovalItem)
assert result.tool_name == "shell"
assert result.name == "shell"
@pytest.mark.asyncio
async def test_shell_tool_needs_approval_rejected_returns_rejection() -> None:
"""Test that shell tool with needs_approval that is rejected returns rejection output."""
shell_tool = ShellTool(
executor=lambda request: "output",
needs_approval=require_approval,
)
tool_call = _shell_call()
tool_run = ToolRunShellCall(tool_call=tool_call, shell_tool=shell_tool)
_, agent = make_model_and_agent(tools=[shell_tool], name="shell-agent")
context_wrapper = make_context_wrapper()
# Pre-reject the tool call
reject_tool_call(context_wrapper, agent, tool_call, "shell")
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
assert HITL_REJECTION_MSG in result.output
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["type"] == "shell_call_output"
assert len(raw_item["output"]) == 1
assert raw_item["output"][0]["stderr"] == HITL_REJECTION_MSG
@pytest.mark.asyncio
async def test_shell_tool_rejection_uses_run_level_formatter() -> None:
"""Shell approval rejection should use the run-level formatter message."""
shell_tool = ShellTool(
executor=lambda request: "output",
needs_approval=require_approval,
)
tool_call = _shell_call()
tool_run = ToolRunShellCall(tool_call=tool_call, shell_tool=shell_tool)
_, agent = make_model_and_agent(tools=[shell_tool], name="shell-agent")
context_wrapper = make_context_wrapper()
reject_tool_call(context_wrapper, agent, tool_call, "shell")
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(
tool_error_formatter=lambda args: f"{args.tool_name} denied ({args.call_id})"
),
)
assert isinstance(result, ToolCallOutputItem)
assert result.output == "shell denied (call_shell)"
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["output"][0]["stderr"] == "shell denied (call_shell)"
@pytest.mark.asyncio
async def test_shell_tool_on_approval_callback_auto_approves() -> None:
"""Test that shell tool on_approval callback can auto-approve."""
shell_tool = ShellTool(
executor=lambda request: "output",
needs_approval=require_approval,
on_approval=make_on_approval_callback(approve=True),
)
tool_run = ToolRunShellCall(tool_call=_shell_call(), shell_tool=shell_tool)
_, agent = make_model_and_agent(tools=[shell_tool], name="shell-agent")
context_wrapper = make_context_wrapper()
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
# Should execute normally since on_approval auto-approved
assert isinstance(result, ToolCallOutputItem)
assert result.output == "output"
@pytest.mark.asyncio
async def test_shell_tool_on_approval_callback_auto_rejects() -> None:
"""Test that shell tool on_approval callback can auto-reject."""
shell_tool = ShellTool(
executor=lambda request: "output",
needs_approval=require_approval,
on_approval=make_on_approval_callback(approve=False, reason="Not allowed"),
)
tool_run = ToolRunShellCall(tool_call=_shell_call(), shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = make_context_wrapper()
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
# Should return rejection output
assert isinstance(result, ToolCallOutputItem)
assert result.output == "Not allowed"
raw_item = cast(dict[str, Any], result.raw_item)
assert raw_item["output"][0]["stderr"] == "Not allowed"
@pytest.mark.asyncio
async def test_shell_tool_on_approval_empty_reason_uses_default_rejection() -> None:
"""Test that empty rejection reasons do not suppress the default message."""
async def on_approval(
_context: RunContextWrapper[Any], _approval_item: ToolApprovalItem
) -> ShellOnApprovalFunctionResult:
return {"approve": False, "reason": ""}
shell_tool = ShellTool(
executor=lambda request: "output",
needs_approval=require_approval,
on_approval=on_approval,
)
tool_run = ToolRunShellCall(tool_call=_shell_call(), shell_tool=shell_tool)
agent = Agent(name="shell-agent", tools=[shell_tool])
context_wrapper: RunContextWrapper[Any] = make_context_wrapper()
result = await ShellAction.execute(
agent=agent,
call=tool_run,
hooks=RunHooks[Any](),
context_wrapper=context_wrapper,
config=RunConfig(),
)
assert isinstance(result, ToolCallOutputItem)
assert result.output == HITL_REJECTION_MSG