deb.open-vault/command/token/helper_external_test.go

142 lines
2.7 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package token
import (
"fmt"
"io"
"io/ioutil"
"os"
"runtime"
"strings"
"testing"
)
func TestExternalTokenHelperPath(t *testing.T) {
cases := map[string]string{}
unixCases := map[string]string{
"/foo": "/foo",
}
windowsCases := map[string]string{
"C:/foo": "C:/foo",
`C:\Program Files`: `C:\Program Files`,
}
var runtimeCases map[string]string
if runtime.GOOS == "windows" {
runtimeCases = windowsCases
} else {
runtimeCases = unixCases
}
for k, v := range runtimeCases {
cases[k] = v
}
// We don't expect those to actually exist, so we expect an error. For now,
// I'm commenting out the rest of this code as we don't have real external
// helpers to test with and the os.Stat will fail with our fake test cases.
/*
for k, v := range cases {
actual, err := ExternalTokenHelperPath(k)
if err != nil {
t.Fatalf("error getting external helper path: %v", err)
}
if actual != v {
t.Fatalf(
"input: %s, expected: %s, got: %s",
k, v, actual)
}
}
*/
}
func TestExternalTokenHelper(t *testing.T) {
Test(t, testExternalTokenHelper(t))
}
func testExternalTokenHelper(t *testing.T) *ExternalTokenHelper {
return &ExternalTokenHelper{BinaryPath: helperPath("helper"), Env: helperEnv()}
}
func helperPath(s ...string) string {
cs := []string{"-test.run=TestExternalTokenHelperProcess", "--"}
cs = append(cs, s...)
return fmt.Sprintf(
"%s %s",
os.Args[0],
strings.Join(cs, " "))
}
func helperEnv() []string {
var env []string
tf, err := ioutil.TempFile("", "vault")
if err != nil {
panic(err)
}
tf.Close()
env = append(env, "GO_HELPER_PATH="+tf.Name(), "GO_WANT_HELPER_PROCESS=1")
return env
}
// This is not a real test. This is just a helper process kicked off by tests.
func TestExternalTokenHelperProcess(*testing.T) {
if os.Getenv("GO_WANT_HELPER_PROCESS") != "1" {
return
}
defer os.Exit(0)
args := os.Args
for len(args) > 0 {
if args[0] == "--" {
args = args[1:]
break
}
args = args[1:]
}
if len(args) == 0 {
fmt.Fprintf(os.Stderr, "No command\n")
os.Exit(2)
}
cmd, args := args[0], args[1:]
switch cmd {
case "helper":
path := os.Getenv("GO_HELPER_PATH")
switch args[0] {
case "erase":
os.Remove(path)
case "get":
f, err := os.Open(path)
if os.IsNotExist(err) {
return
}
if err != nil {
fmt.Fprintf(os.Stderr, "Err: %s\n", err)
os.Exit(1)
}
defer f.Close()
io.Copy(os.Stdout, f)
case "store":
f, err := os.Create(path)
if err != nil {
fmt.Fprintf(os.Stderr, "Err: %s\n", err)
os.Exit(1)
}
defer f.Close()
io.Copy(f, os.Stdin)
}
default:
fmt.Fprintf(os.Stderr, "Unknown command: %q\n", cmd)
os.Exit(2)
}
}