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import os
import time
from unittest.mock import AsyncMock, MagicMock
import pytest
from helpers.blocking_a2a import BlockingTaskManager
pytestmark = pytest.mark.asyncio
def _make_request(task_id="task-123", blocking=False):
return {
"jsonrpc": "2.0",
"id": "req-1",
"method": "message/send",
"params": {
"message": {
"kind": "message",
"role": "user",
"message_id": task_id,
"parts": [{"kind": "text", "text": "hello"}],
},
"configuration": {"blocking": blocking},
},
}
def _make_super_response(task_id="task-123", state="submitted"):
return {
"jsonrpc": "2.0",
"id": "req-1",
"result": {
"id": task_id,
"status": {"state": state},
},
}
async def test_non_blocking_returns_immediately(monkeypatch):
broker = MagicMock()
storage = MagicMock()
tm = BlockingTaskManager(broker=broker, storage=storage)
req = _make_request(blocking=False)
super_resp = _make_super_response("task-123", "submitted")
monkeypatch.setattr(
"fasta2a.task_manager.TaskManager.send_message",
AsyncMock(return_value=super_resp),
)
resp = await tm.send_message(req)
assert resp == super_resp
storage.load_task.assert_not_called()
async def test_blocking_immediate_completion(monkeypatch):
broker = MagicMock()
storage = MagicMock()
tm = BlockingTaskManager(broker=broker, storage=storage)
req = _make_request(blocking=True)
super_resp = _make_super_response("task-101", "submitted")
completed_task = {
"id": "task-101",
"status": {"state": "completed"},
"history": [],
}
storage.load_task = AsyncMock(return_value=completed_task)
monkeypatch.setattr(
"fasta2a.task_manager.TaskManager.send_message",
AsyncMock(return_value=super_resp),
)
resp = await tm.send_message(req)
assert resp["jsonrpc"] == "2.0"
assert resp["id"] == "req-1"
assert resp["result"]["status"]["state"] == "completed"
async def test_blocking_delayed_completion(monkeypatch):
broker = MagicMock()
storage = MagicMock()
tm = BlockingTaskManager(broker=broker, storage=storage)
req = _make_request(blocking=True)
super_resp = _make_super_response("task-202", "submitted")
running_task = {
"id": "task-202",
"status": {"state": "running"},
"history": [],
}
completed_task = {
"id": "task-202",
"status": {"state": "completed"},
"history": [],
}
states = iter([running_task, running_task, completed_task])
async def mock_load_task(task_id):
return next(states)
storage.load_task = mock_load_task
monkeypatch.setattr(
"fasta2a.task_manager.TaskManager.send_message",
AsyncMock(return_value=super_resp),
)
start_time = time.monotonic()
resp = await tm.send_message(req)
elapsed = time.monotonic() - start_time
assert resp["result"]["status"]["state"] == "completed"
assert elapsed >= 0.9 # 2 polls * 0.5s sleep
async def test_blocking_failure_state(monkeypatch):
broker = MagicMock()
storage = MagicMock()
tm = BlockingTaskManager(broker=broker, storage=storage)
req = _make_request(blocking=True)
super_resp = _make_super_response("task-303", "submitted")
failed_task = {
"id": "task-303",
"status": {"state": "failed"},
"history": [],
}
storage.load_task = AsyncMock(return_value=failed_task)
monkeypatch.setattr(
"fasta2a.task_manager.TaskManager.send_message",
AsyncMock(return_value=super_resp),
)
resp = await tm.send_message(req)
assert resp["result"]["status"]["state"] == "failed"
async def test_blocking_timeout_returns_current_task(monkeypatch):
broker = MagicMock()
storage = MagicMock()
tm = BlockingTaskManager(broker=broker, storage=storage)
req = _make_request(blocking=True)
super_resp = _make_super_response("task-404", "submitted")
working_task = {
"id": "task-404",
"status": {"state": "running"},
"history": [],
}
storage.load_task = AsyncMock(return_value=working_task)
monkeypatch.setenv("A2A_BLOCKING_TIMEOUT", "1")
monkeypatch.setattr(
"fasta2a.task_manager.TaskManager.send_message",
AsyncMock(return_value=super_resp),
)
start_time = time.monotonic()
resp = await tm.send_message(req)
elapsed = time.monotonic() - start_time
assert resp["result"]["status"]["state"] == "running"
assert 0.9 <= elapsed <= 2.5
async def test_concurrent_blocking_requests(monkeypatch):
broker = MagicMock()
storage = MagicMock()
tm = BlockingTaskManager(broker=broker, storage=storage)
req_sync = _make_request("task-sync", blocking=True)
req_async = _make_request("task-async", blocking=False)
super_resp_sync = _make_super_response("task-sync", "submitted")
super_resp_async = _make_super_response("task-async", "submitted")
async def mock_send_message(self, request):
task_id = request["params"]["message"]["message_id"]
if request["params"].get("configuration", {}).get("blocking"):
return _make_super_response(task_id, "submitted")
return _make_super_response(task_id, "submitted")
async def mock_load_task(task_id):
if task_id == "task-sync":
return {"id": "task-sync", "status": {"state": "completed"}}
return {"id": "task-async", "status": {"state": "submitted"}}
storage.load_task = mock_load_task
monkeypatch.setattr(
"fasta2a.task_manager.TaskManager.send_message",
mock_send_message,
)
res_sync, res_async = await asyncio.gather(
tm.send_message(req_sync),
tm.send_message(req_async),
)
assert res_sync["result"]["status"]["state"] == "completed"
assert res_async["result"]["status"]["state"] == "submitted"
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