1 // Copyright 2017 Google Inc. All rights reserved. 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 // http://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 15 package build 16 17 import "testing" 18 19 func TestStripAnsiEscapes(t *testing.T) { 20 testcases := []struct { 21 input string 22 output string 23 }{ 24 { 25 "", 26 "", 27 }, 28 { 29 "This is a test", 30 "This is a test", 31 }, 32 { 33 "interrupted: \x1b[12", 34 "interrupted: ", 35 }, 36 { 37 "other \x1bescape \x1b", 38 "other \x1bescape \x1b", 39 }, 40 { // from pretty-error macro 41 "\x1b[1mart/Android.mk: \x1b[31merror:\x1b[0m\x1b[1m art: test error \x1b[0m", 42 "art/Android.mk: error: art: test error ", 43 }, 44 { // from envsetup.sh make wrapper 45 "\x1b[0;31m#### make failed to build some targets (2 seconds) ####\x1b[00m", 46 "#### make failed to build some targets (2 seconds) ####", 47 }, 48 { // from clang (via ninja testcase) 49 "\x1b[1maffixmgr.cxx:286:15: \x1b[0m\x1b[0;1;35mwarning: \x1b[0m\x1b[1musing the result... [-Wparentheses]\x1b[0m", 50 "affixmgr.cxx:286:15: warning: using the result... [-Wparentheses]", 51 }, 52 } 53 for _, tc := range testcases { 54 got := string(stripAnsiEscapes([]byte(tc.input))) 55 if got != tc.output { 56 t.Errorf("output strings didn't match\n"+ 57 "input: %#v\n"+ 58 " want: %#v\n"+ 59 " got: %#v", tc.input, tc.output, got) 60 } 61 } 62 } 63