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a02cf32866
This can be used either to directly parse runtime.Stack output or process text that includes stack dumps, like test timeouts or panics. It includes a binary, gostacks that processes stdin to stdout replacing stack dumps in place. Change-Id: Id7b1cfd69b8aea36c66f12ec0bdf38b68cba5afb Reviewed-on: https://go-review.googlesource.com/c/tools/+/232658 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com>
194 lines
3.9 KiB
Go
194 lines
3.9 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package stack_test
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import (
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"bytes"
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"strings"
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"testing"
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"golang.org/x/tools/internal/stack"
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)
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func TestProcess(t *testing.T) {
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for _, test := range []struct{ name, input, expect string }{{
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name: `empty`,
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input: ``,
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expect: ``,
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}, {
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name: `no_frame`,
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input: `goroutine 1 [running]:`,
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expect: `
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[running]: $1
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1 goroutines, 1 unique
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`,
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}, {
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name: `one_frame`,
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input: `
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goroutine 1 [running]:
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package.function(args)
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file.go:10
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`,
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expect: `
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[running]: $1
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file.go:10: function
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1 goroutines, 1 unique
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`,
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}, {
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name: `one_call`,
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input: `
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goroutine 1 [running]:
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package1.functionA(args)
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file1.go:10
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package2.functionB(args)
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file2.go:20
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package3.functionC(args)
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file3.go:30
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`,
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expect: `
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[running]: $1
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file1.go:10: functionA
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file2.go:20: functionB
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file3.go:30: functionC
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1 goroutines, 1 unique
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`,
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}, {
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name: `two_call`,
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input: `
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goroutine 1 [running]:
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package1.functionA(args)
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file1.go:10
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goroutine 2 [running]:
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package2.functionB(args)
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file2.go:20
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`,
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expect: `
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[running]: $1
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file1.go:10: functionA
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[running]: $2
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file2.go:20: functionB
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2 goroutines, 2 unique
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`,
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}, {
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name: `merge_call`,
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input: `
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goroutine 1 [running]:
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package1.functionA(args)
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file1.go:10
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goroutine 2 [running]:
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package1.functionA(args)
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file1.go:10
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`,
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expect: `
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[running]: $1, $2
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file1.go:10: functionA
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2 goroutines, 1 unique
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`,
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}, {
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name: `alternating_call`,
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input: `
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goroutine 1 [running]:
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package1.functionA(args)
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file1.go:10
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goroutine 2 [running]:
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package2.functionB(args)
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file2.go:20
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goroutine 3 [running]:
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package1.functionA(args)
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file1.go:10
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goroutine 4 [running]:
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package2.functionB(args)
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file2.go:20
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goroutine 5 [running]:
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package1.functionA(args)
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file1.go:10
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goroutine 6 [running]:
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package2.functionB(args)
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file2.go:20
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`,
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expect: `
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[running]: $1, $3, $5
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file1.go:10: functionA
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[running]: $2, $4, $6
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file2.go:20: functionB
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6 goroutines, 2 unique
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`,
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}, {
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name: `sort_calls`,
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input: `
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goroutine 1 [running]:
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package3.functionC(args)
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file3.go:30
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goroutine 2 [running]:
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package2.functionB(args)
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file2.go:20
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goroutine 3 [running]:
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package1.functionA(args)
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file1.go:10
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`,
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expect: `
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[running]: $3
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file1.go:10: functionA
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[running]: $2
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file2.go:20: functionB
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[running]: $1
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file3.go:30: functionC
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3 goroutines, 3 unique
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`,
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}, {
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name: `real_single`,
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input: `
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panic: oops
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goroutine 53 [running]:
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golang.org/x/tools/internal/jsonrpc2_test.testHandler.func1(0x1240c20, 0xc000013350, 0xc0000133b0, 0x1240ca0, 0xc00002ab00, 0x3, 0x3)
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/work/tools/internal/jsonrpc2/jsonrpc2_test.go:160 +0x74c
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golang.org/x/tools/internal/jsonrpc2.(*Conn).Run(0xc000204330, 0x1240c20, 0xc000204270, 0x1209570, 0xc000212120, 0x1242700)
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/work/tools/internal/jsonrpc2/jsonrpc2.go:187 +0x777
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golang.org/x/tools/internal/jsonrpc2_test.run.func1(0x123ebe0, 0xc000206018, 0x123ec20, 0xc000206010, 0xc0002080a0, 0xc000204330, 0x1240c20, 0xc000204270, 0xc000212120)
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/work/tools/internal/jsonrpc2/jsonrpc2_test.go:131 +0xe2
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created by golang.org/x/tools/internal/jsonrpc2_test.run
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/work/tools/internal/jsonrpc2/jsonrpc2_test.go:121 +0x263
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FAIL golang.org/x/tools/internal/jsonrpc2 0.252s
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FAIL
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`,
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expect: `
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panic: oops
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[running]: $53
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/work/tools/internal/jsonrpc2/jsonrpc2_test.go:160: testHandler.func1
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/work/tools/internal/jsonrpc2/jsonrpc2.go:187: (*Conn).Run
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/work/tools/internal/jsonrpc2/jsonrpc2_test.go:131: run.func1
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/work/tools/internal/jsonrpc2/jsonrpc2_test.go:121: run
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1 goroutines, 1 unique
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FAIL golang.org/x/tools/internal/jsonrpc2 0.252s
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FAIL
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`,
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}} {
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t.Run(test.name, func(t *testing.T) {
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buf := &bytes.Buffer{}
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stack.Process(buf, strings.NewReader(test.input))
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expect := strings.TrimSpace(test.expect)
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got := strings.TrimSpace(buf.String())
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if got != expect {
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t.Errorf("got:\n%s\nexpect:\n%s", got, expect)
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}
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})
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}
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}
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