1// Copyright 2019 The Prometheus Authors 2// Licensed under the Apache License, Version 2.0 (the "License"); 3// you may not use this file except in compliance with the License. 4// You may obtain a copy of the License at 5// 6// http://www.apache.org/licenses/LICENSE-2.0 7// 8// Unless required by applicable law or agreed to in writing, software 9// distributed under the License is distributed on an "AS IS" BASIS, 10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11// See the License for the specific language governing permissions and 12// limitations under the License. 13 14package procfs 15 16import ( 17 "net" 18 "testing" 19) 20 21func TestARP(t *testing.T) { 22 fs, err := NewFS(procTestFixtures) 23 if err != nil { 24 t.Fatal(err) 25 } 26 27 arpFile, err := fs.GatherARPEntries() 28 if err != nil { 29 t.Fatal(err) 30 } 31 32 if want, got := "192.168.224.1", arpFile[0].IPAddr.String(); want != got { 33 t.Errorf("want 192.168.224.1, got %s", got) 34 } 35 36 if want, got := net.HardwareAddr("00:50:56:c0:00:08").String(), arpFile[0].HWAddr.String(); want != got { 37 t.Errorf("want 00:50:56:c0:00:08, got %s", got) 38 } 39 40 if want, got := "ens33", arpFile[0].Device; want != got { 41 t.Errorf("want ens33, got %s", got) 42 } 43} 44