def test_req_for_validate(self, setup):
p1 = Proxy(ip="127.0.0.1", port=80)
p2 = Proxy(ip="127.0.0.1", port=8080)
p3 = Proxy(ip="127.0.0.2", port=80)
p4 = Proxy(ip="127.0.0.2", port=8080)
proxypool = ProxyPool()
proxypool.add_proxy(p1)
proxypool.add_proxy(p2)
proxypool.add_proxy(p3)
proxypool.add_proxy(p4)
p = proxypool.req_proxy_for_validate()
assert p == p1.proxy_url()
p = proxypool.req_proxy_for_validate()
assert p == p2.proxy_url()
p = proxypool.req_proxy_for_validate()
assert p == p3.proxy_url()
p = proxypool.req_proxy_for_validate()
assert p == p4.proxy_url()
p = proxypool.req_proxy_for_validate()
assert p == None
