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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:25:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:25:22 +0000 |
commit | f6ad4dcef54c5ce997a4bad5a6d86de229015700 (patch) | |
tree | 7cfa4e31ace5c2bd95c72b154d15af494b2bcbef /src/cmd/go/go_unix_test.go | |
parent | Initial commit. (diff) | |
download | golang-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.go | 137 |
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 --- /dev/null +++ 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") +} |