func TestCommandRelativeName(t *testing.T) {
// Run our own binary as a relative path
// (e.g. "_test/exec.test") our parent directory.
base := filepath.Base(os.Args[0]) // "exec.test"
dir := filepath.Dir(os.Args[0]) // "/tmp/go-buildNNNN/os/exec/_test"
if dir == "." {
t.Skip("skipping; running test at root somehow")
}
parentDir := filepath.Dir(dir) // "/tmp/go-buildNNNN/os/exec"
dirBase := filepath.Base(dir) // "_test"
if dirBase == "." {
t.Skipf("skipping; unexpected shallow dir of %q", dir)
}
cmd := xsocket.Command(addr, filepath.Join(dirBase, base), "-test.run=TestHelperProcess", "--", "echo", "foo")
cmd.Dir = parentDir
cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1"}
out, err := cmd.Output()
if err != nil {
t.Errorf("echo: %v", err)
}
if g, e := string(out), "foo\n"; g != e {
t.Errorf("echo: want %q, got %q", e, g)
}
}
func TestNoExistBinary(t *testing.T) {
// Can't run a non-existent binary
err := xsocket.Command(addr, "/no-exist-binary").Run()
if err == nil {
t.Error("expected error from /no-exist-binary")
}
}
func helperCommand(t *testing.T, s ...string) *xsocket.Cmd {
if runtime.GOOS == "nacl" {
t.Skip("skipping on nacl")
}
cs := []string{"-test.run=TestHelperProcess", "--"}
cs = append(cs, s...)
cmd := xsocket.Command(addr, os.Args[0], cs...)
cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1"}
return cmd
}