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//go:build unix
package shell
import (
"fmt"
"os"
"path/filepath"
"testing"
"src.elv.sh/pkg/env"
"src.elv.sh/pkg/testutil"
)
var elvishDashUID = fmt.Sprintf("elvish-%d", os.Getuid())
func TestSecureRunDir_PrefersXDGWhenNeitherExists(t *testing.T) {
xdg, _ := setupForSecureRunDir(t)
testSecureRunDir(t, filepath.Join(xdg, "elvish"), false)
}
func TestSecureRunDir_PrefersXDGWhenBothExist(t *testing.T) {
xdg, tmp := setupForSecureRunDir(t)
os.MkdirAll(filepath.Join(xdg, "elvish"), 0700)
os.MkdirAll(filepath.Join(tmp, elvishDashUID), 0700)
testSecureRunDir(t, filepath.Join(xdg, "elvish"), false)
}
func TestSecureRunDir_PrefersTmpWhenOnlyItExists(t *testing.T) {
_, tmp := setupForSecureRunDir(t)
os.MkdirAll(filepath.Join(tmp, elvishDashUID), 0700)
testSecureRunDir(t, filepath.Join(tmp, elvishDashUID), false)
}
func TestSecureRunDir_PrefersTmpWhenXdgEnvIsEmpty(t *testing.T) {
_, tmp := setupForSecureRunDir(t)
os.Setenv(env.XDG_RUNTIME_DIR, "")
testSecureRunDir(t, filepath.Join(tmp, elvishDashUID), false)
}
func TestSecureRunDir_ReturnsErrorWhenUnableToMkdir(t *testing.T) {
xdg, _ := setupForSecureRunDir(t)
os.WriteFile(filepath.Join(xdg, "elvish"), nil, 0600)
testSecureRunDir(t, "", true)
}
func setupForSecureRunDir(c testutil.Cleanuper) (xdgRuntimeDir, tmpDir string) {
xdg := testutil.Setenv(c, env.XDG_RUNTIME_DIR, testutil.TempDir(c))
tmp := testutil.Setenv(c, "TMPDIR", testutil.TempDir(c))
return xdg, tmp
}
func testSecureRunDir(t *testing.T, wantRunDir string, wantErr bool) {
runDir, err := secureRunDir()
if runDir != wantRunDir {
t.Errorf("got rundir %q, want %q", runDir, wantRunDir)
}
if wantErr && err == nil {
t.Errorf("got nil err, want non-nil")
} else if !wantErr && err != nil {
t.Errorf("got err %v, want nil err", err)
}
}
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