ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter4/collaboration-tools/test_recurring_interval_positive.py

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+"""Recurring timers with interval_seconds <= 0 must not busy-loop."""
+import asyncio
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent / "src"))
+import timer_tools as t
+
+
+async def _probe(interval):
+    t._active_timers.clear()
+    t._timer_tasks.clear()
+    result = await t.set_recurring_timer(interval, max_occurrences=None, timer_name="probe")
+    await asyncio.sleep(0.05)
+    for task in list(t._timer_tasks.values()):
+        task.cancel()
+    await asyncio.sleep(0)
+    return result
+
+
+def test_zero_interval_rejected():
+    result = asyncio.run(_probe(0))
+    assert result["success"] is False
+    assert "positive" in result["error"]
+    assert t._active_timers == {}
+
+
+def test_negative_interval_rejected():
+    result = asyncio.run(_probe(-5))
+    assert result["success"] is False
+    assert t._active_timers == {}
+
+
+def test_positive_interval_still_accepted():
+    async def run():
+        t._active_timers.clear()
+        t._timer_tasks.clear()
+        result = await t.set_recurring_timer(60, max_occurrences=1, timer_name="ok")
+        for task in list(t._timer_tasks.values()):
+            task.cancel()
+        await asyncio.sleep(0)
+        return result
+
+    result = asyncio.run(run())
+    assert result["success"] is True
+    assert result["interval_seconds"] == 60