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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:25:22 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:25:22 +0000
commitf6ad4dcef54c5ce997a4bad5a6d86de229015700 (patch)
tree7cfa4e31ace5c2bd95c72b154d15af494b2bcbef /src/cmd/go/go_unix_test.go
parentInitial commit. (diff)
downloadgolang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.tar.xz
golang-1.22-f6ad4dcef54c5ce997a4bad5a6d86de229015700.zip
Adding upstream version 1.22.1.upstream/1.22.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/cmd/go/go_unix_test.go')
-rw-r--r--src/cmd/go/go_unix_test.go137
1 files changed, 137 insertions, 0 deletions
diff --git a/src/cmd/go/go_unix_test.go b/src/cmd/go/go_unix_test.go
new file mode 100644
index 0000000..a6b21b8
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+++ b/src/cmd/go/go_unix_test.go
@@ -0,0 +1,137 @@
+// Copyright 2015 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.
+
+//go:build unix
+
+package main_test
+
+import (
+ "bufio"
+ "context"
+ "internal/testenv"
+ "io"
+ "os"
+ "os/exec"
+ "slices"
+ "strings"
+ "syscall"
+ "testing"
+)
+
+func TestGoBuildUmask(t *testing.T) {
+ // Do not use tg.parallel; avoid other tests seeing umask manipulation.
+ mask := syscall.Umask(0077) // prohibit low bits
+ defer syscall.Umask(mask)
+
+ tg := testgo(t)
+ defer tg.cleanup()
+ tg.tempFile("x.go", `package main; func main() {}`)
+
+ // We have set a umask, but if the parent directory happens to have a default
+ // ACL, the umask may be ignored. To prevent spurious failures from an ACL,
+ // we compare the file created by "go build" against a file written explicitly
+ // by os.WriteFile.
+ //
+ // (See https://go.dev/issue/62724, https://go.dev/issue/17909.)
+ control := tg.path("control")
+ tg.creatingTemp(control)
+ if err := os.WriteFile(control, []byte("#!/bin/sh\nexit 0"), 0777); err != nil {
+ t.Fatal(err)
+ }
+ cfi, err := os.Stat(control)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ exe := tg.path("x")
+ tg.creatingTemp(exe)
+ tg.run("build", "-o", exe, tg.path("x.go"))
+ fi, err := os.Stat(exe)
+ if err != nil {
+ t.Fatal(err)
+ }
+ got, want := fi.Mode(), cfi.Mode()
+ if got == want {
+ t.Logf("wrote x with mode %v", got)
+ } else {
+ t.Fatalf("wrote x with mode %v, wanted no 0077 bits (%v)", got, want)
+ }
+}
+
+// TestTestInterrupt verifies the fix for issue #60203.
+//
+// If the whole process group for a 'go test' invocation receives
+// SIGINT (as would be sent by pressing ^C on a console),
+// it should return quickly, not deadlock.
+func TestTestInterrupt(t *testing.T) {
+ if testing.Short() {
+ t.Skipf("skipping in short mode: test executes many subprocesses")
+ }
+ // Don't run this test in parallel, for the same reason.
+
+ tg := testgo(t)
+ defer tg.cleanup()
+ tg.setenv("GOROOT", testGOROOT)
+
+ ctx, cancel := context.WithCancel(context.Background())
+ cmd := testenv.CommandContext(t, ctx, tg.goTool(), "test", "std", "-short", "-count=1")
+ cmd.Dir = tg.execDir
+
+ // Override $TMPDIR when running the tests: since we're terminating the tests
+ // with a signal they might fail to clean up some temp files, and we don't
+ // want that to cause an "unexpected files" failure at the end of the run.
+ cmd.Env = append(slices.Clip(tg.env), tempEnvName()+"="+t.TempDir())
+
+ cmd.SysProcAttr = &syscall.SysProcAttr{
+ Setpgid: true,
+ }
+ cmd.Cancel = func() error {
+ pgid := cmd.Process.Pid
+ return syscall.Kill(-pgid, syscall.SIGINT)
+ }
+
+ pipe, err := cmd.StdoutPipe()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ t.Logf("running %v", cmd)
+ if err := cmd.Start(); err != nil {
+ t.Fatal(err)
+ }
+
+ stdout := new(strings.Builder)
+ r := bufio.NewReader(pipe)
+ line, err := r.ReadString('\n')
+ if err != nil {
+ t.Fatal(err)
+ }
+ stdout.WriteString(line)
+
+ // The output line for some test was written, so we know things are in progress.
+ //
+ // Cancel the rest of the run by sending SIGINT to the process group:
+ // it should finish up and exit with a nonzero status,
+ // not have to be killed with SIGKILL.
+ cancel()
+
+ io.Copy(stdout, r)
+ if stdout.Len() > 0 {
+ t.Logf("stdout:\n%s", stdout)
+ }
+ err = cmd.Wait()
+
+ ee, _ := err.(*exec.ExitError)
+ if ee == nil {
+ t.Fatalf("unexpectedly finished with nonzero status")
+ }
+ if len(ee.Stderr) > 0 {
+ t.Logf("stderr:\n%s", ee.Stderr)
+ }
+ if !ee.Exited() {
+ t.Fatalf("'go test' did not exit after interrupt: %v", err)
+ }
+
+ t.Logf("interrupted tests without deadlocking")
+}