feat(co-gahusb): 어드바이저리 락 (acquire/release/heartbeat/list, TDD)

co-gahusb/tests/test_locks.py

@@ -0,0 +1,51 @@
+# co-gahusb/tests/test_locks.py
+from app import locks
+
+
+async def test_acquire_succeeds_then_blocks_other(r):
+    res = await locks.acquire_lock(r, "nas-deploy", "BE", ttl_sec=300)
+    assert res["acquired"] is True
+
+    res2 = await locks.acquire_lock(r, "nas-deploy", "FE", ttl_sec=300)
+    assert res2["acquired"] is False
+    assert res2["held_by"] == "BE"
+    assert res2["ttl_remaining"] > 0
+
+
+async def test_release_only_by_owner(r):
+    await locks.acquire_lock(r, "compose", "BE", ttl_sec=300)
+
+    bad = await locks.release_lock(r, "compose", "FE")
+    assert bad["released"] is False
+
+    ok = await locks.release_lock(r, "compose", "BE")
+    assert ok["released"] is True
+
+    again = await locks.acquire_lock(r, "compose", "FE", ttl_sec=300)
+    assert again["acquired"] is True
+
+
+async def test_heartbeat_only_by_owner_renews_ttl(r):
+    await locks.acquire_lock(r, "nginx-conf", "BE", ttl_sec=10)
+
+    bad = await locks.heartbeat_lock(r, "nginx-conf", "FE", ttl_sec=300)
+    assert bad["renewed"] is False
+
+    ok = await locks.heartbeat_lock(r, "nginx-conf", "BE", ttl_sec=300)
+    assert ok["renewed"] is True
+    assert await r.ttl("co:lock:nginx-conf") > 100
+
+
+async def test_expired_lock_is_reacquirable(r):
+    await locks.acquire_lock(r, "memory-mirror", "AI", ttl_sec=1)
+    await r.delete("co:lock:memory-mirror")
+    res = await locks.acquire_lock(r, "memory-mirror", "FE", ttl_sec=300)
+    assert res["acquired"] is True
+
+
+async def test_list_locks(r):
+    await locks.acquire_lock(r, "nas-deploy", "BE", ttl_sec=300)
+    await locks.acquire_lock(r, "compose", "FE", ttl_sec=300)
+    listed = await locks.list_locks(r)
+    held = {l["resource"]: l["held_by"] for l in listed["locks"]}
+    assert held == {"nas-deploy": "BE", "compose": "FE"}