fix: when unset time limit

examples/main.py

@@ -40,6 +40,11 @@ async def multiple():
     return {"msg": "Hello World"}
 
 
+@app.get("/unlimited", dependencies=[Depends(RateLimiter())])
+async def unlimited():
+    return {"msg": "Hello World"}
+
+
 @app.websocket("/ws")
 async def websocket_endpoint(websocket: WebSocket):
     await websocket.accept()

fastapi_limiter/depends.py

@@ -26,6 +26,8 @@ def __init__(
         self.callback = callback
 
     async def _check(self, key):
+        if self.milliseconds <= 0:
+            return 0
         redis = FastAPILimiter.redis
         pexpire = await redis.evalsha(
             FastAPILimiter.lua_sha, 1, key, str(self.times), str(self.milliseconds)

tests/test_depends.py

@@ -65,3 +65,12 @@ def test_limiter_websockets():
             data = ws.receive_text()
             assert data == "Hello, world"
             ws.close()
+
+
+def test_unlimited():
+    with TestClient(app) as client:
+        response = client.get("/unlimited")
+        assert response.status_code == 200
+
+        response = client.get("/unlimited")
+        assert response.status_code == 200