1 /* 2 * 3 * Copyright 2023 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package testutils 19 20 import ( 21 "net" 22 "strconv" 23 "testing" 24 ) 25 26 // ParsePort returns the port from the given address string, as a unit32. 27 func ParsePort(t *testing.T, addr string) uint32 { 28 t.Helper() 29 30 _, p, err := net.SplitHostPort(addr) 31 if err != nil { 32 t.Fatalf("Invalid serving address: %v", err) 33 } 34 port, err := strconv.ParseUint(p, 10, 32) 35 if err != nil { 36 t.Fatalf("Invalid serving port: %v", err) 37 } 38 return uint32(port) 39 } 40