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Monorepo for Tangled tangled.org
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import ( "context" "os/exec" "strings" "testing")
// os/exec refuses to start a command that carries a Cancel it did not get from// CommandContext, and the sandbox-wrapped commands in knotserver are exactly// that shape, so containment has to degrade instead of breaking themfunc TestContainContextlessCommand(t *testing.T) { cmd := Contain(exec.Command("git", "version")) out, err := cmd.CombinedOutput() if err != nil { t.Fatalf("%v: %s", err, out) } if !cmd.SysProcAttr.Setpgid { t.Fatal("a contained command has to lead its own process group") } if cmd.WaitDelay == 0 { t.Fatal("a contained command has to bound its wait") }}
func TestCommandSpeaksEnglishWhateverTheHostLocale(t *testing.T) { t.Setenv("LC_ALL", "de_DE.UTF-8") t.Setenv("LANG", "de_DE.UTF-8") t.Setenv("LANGUAGE", "de")
out, err := Command(context.Background(), "-C", t.TempDir(), "rev-parse", "HEAD").CombinedOutput() if err == nil { t.Fatalf("rev-parse outside a repo succeeded: %s", out) } if !strings.Contains(string(out), "not a git repository") { t.Fatalf("git said %q, want its English message so the callers' matches hold", out) }}
func TestCommandPinsTheLocaleInItsEnvironment(t *testing.T) { t.Setenv("LC_ALL", "de_DE.UTF-8")
env := Command(context.Background(), "version").Env if len(env) == 0 || env[len(env)-1] != "LC_ALL=C" { t.Fatalf("env ends with %q, want LC_ALL=C last so it beats the host's", env[max(0, len(env)-1):]) }}