feat(server): 新增 ProgressHub 进程内进度发布/订阅单例

tests/test_progress_hub.py

@@ -0,0 +1,35 @@
+import asyncio
+import pytest
+from genesis.server.hub import ProgressHub
+
+
+@pytest.mark.asyncio
+async def test_subscribe_receives_emitted_event():
+    h = ProgressHub()
+    h.register_loop(asyncio.get_running_loop())
+    q = h.subscribe("s1")
+    h.emit("s1", {"type": "progress", "step": "parse", "status": "ok"})
+    event = await asyncio.wait_for(q.get(), 1.0)
+    assert event["step"] == "parse"
+
+
+@pytest.mark.asyncio
+async def test_unsubscribe_stops_delivery():
+    h = ProgressHub()
+    h.register_loop(asyncio.get_running_loop())
+    q = h.subscribe("s1")
+    h.unsubscribe("s1", q)
+    h.emit("s1", {"type": "progress"})
+    with pytest.raises(asyncio.TimeoutError):
+        await asyncio.wait_for(q.get(), 0.2)
+
+
+@pytest.mark.asyncio
+async def test_multiple_subscribers_all_receive():
+    h = ProgressHub()
+    h.register_loop(asyncio.get_running_loop())
+    q1, q2 = h.subscribe("s1"), h.subscribe("s1")
+    h.emit("s1", {"type": "progress", "step": "gen"})
+    a = await asyncio.wait_for(q1.get(), 1.0)
+    b = await asyncio.wait_for(q2.get(), 1.0)
+    assert a["step"] == b["step"] == "gen"