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go/misc/reboot/reboot_test.go
Bryan C. Mills 2989abc91e cmd/dist: add a test in misc/reboot to verify that the toolchain can self-bootstrap
Fixes #30758

Change-Id: I8e49958602de9caa47bb5710828158e51744f375
Reviewed-on: https://go-review.googlesource.com/c/go/+/167478
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-03-13 21:16:24 +00:00

53 lines
1.2 KiB
Go

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package reboot_test verifies that the current GOROOT can be used to bootstrap
// itself.
package reboot_test
import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"runtime"
"testing"
)
func TestRepeatBootstrap(t *testing.T) {
goroot, err := ioutil.TempDir("", "reboot-goroot")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(goroot)
gorootSrc := filepath.Join(goroot, "src")
if err := overlayDir(gorootSrc, filepath.Join(runtime.GOROOT(), "src")); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile(filepath.Join(goroot, "VERSION"), []byte(runtime.Version()), 0666); err != nil {
t.Fatal(err)
}
var makeScript string
switch runtime.GOOS {
case "windows":
makeScript = "make.bat"
case "plan9":
makeScript = "make.rc"
default:
makeScript = "make.bash"
}
cmd := exec.Command(filepath.Join(runtime.GOROOT(), "src", makeScript))
cmd.Dir = gorootSrc
cmd.Env = append(os.Environ(), "GOROOT=", "GOROOT_BOOTSTRAP="+runtime.GOROOT())
cmd.Stderr = os.Stderr
cmd.Stdout = os.Stdout
if err := cmd.Run(); err != nil {
t.Fatal(err)
}
}