1// Copyright (c) 2016 Uber Technologies, Inc. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a copy 4// of this software and associated documentation files (the "Software"), to deal 5// in the Software without restriction, including without limitation the rights 6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7// copies of the Software, and to permit persons to whom the Software is 8// furnished to do so, subject to the following conditions: 9// 10// The above copyright notice and this permission notice shall be included in 11// all copies or substantial portions of the Software. 12// 13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19// THE SOFTWARE. 20 21package zap 22 23import ( 24 "strings" 25 "testing" 26 27 "github.com/stretchr/testify/assert" 28 "github.com/stretchr/testify/require" 29) 30 31func TestTakeStacktrace(t *testing.T) { 32 trace := takeStacktrace(0) 33 lines := strings.Split(trace, "\n") 34 require.NotEmpty(t, lines, "Expected stacktrace to have at least one frame.") 35 assert.Contains( 36 t, 37 lines[0], 38 "go.uber.org/zap.TestTakeStacktrace", 39 "Expected stacktrace to start with the test.", 40 ) 41} 42 43func TestTakeStacktraceWithSkip(t *testing.T) { 44 trace := takeStacktrace(1) 45 lines := strings.Split(trace, "\n") 46 require.NotEmpty(t, lines, "Expected stacktrace to have at least one frame.") 47 assert.Contains( 48 t, 49 lines[0], 50 "testing.", 51 "Expected stacktrace to start with the test runner (skipping our own frame).", 52 ) 53} 54 55func TestTakeStacktraceWithSkipInnerFunc(t *testing.T) { 56 var trace string 57 func() { 58 trace = takeStacktrace(2) 59 }() 60 lines := strings.Split(trace, "\n") 61 require.NotEmpty(t, lines, "Expected stacktrace to have at least one frame.") 62 assert.Contains( 63 t, 64 lines[0], 65 "testing.", 66 "Expected stacktrace to start with the test function (skipping the test function).", 67 ) 68} 69 70func BenchmarkTakeStacktrace(b *testing.B) { 71 for i := 0; i < b.N; i++ { 72 takeStacktrace(0) 73 } 74} 75