1// Copyright 2020 Google LLC 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// https://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package main 16 17import ( 18 "io/ioutil" 19 "os" 20 "testing" 21) 22 23func TestHelp(t *testing.T) { 24 homeDir, err := ioutil.TempDir("", "hacksaw_test_home") 25 if err != nil { 26 t.Error(err) 27 } 28 defer os.RemoveAll(homeDir) 29 if err = os.Setenv("HOME", homeDir); err != nil { 30 t.Error(err) 31 } 32 args := []string{ 33 "hacksaw", 34 "help", 35 } 36 if err = run(args); err != nil { 37 t.Error(err) 38 } 39} 40