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// Copyright (c) 2018, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the
// LICENSE.md file distributed with the sources of this project regarding your
// rights to use or distribute this software.
package layout
import (
"os"
"testing"
"github.com/sylabs/singularity/v4/internal/pkg/test"
"github.com/sylabs/singularity/v4/internal/pkg/util/fs"
)
func TestLayout(t *testing.T) {
test.DropPrivilege(t)
defer test.ResetPrivilege(t)
uid := os.Getuid()
gid := os.Getgid()
session := &Manager{VFS: DefaultVFS}
groups, err := os.Getgroups()
if err != nil {
t.Fatal(err)
}
for _, g := range groups {
if g != gid {
gid = g
break
}
}
dir := t.TempDir()
if err := session.AddDir("/etc"); err == nil {
t.Errorf("should have failed with uninitialized root path")
}
if err := session.AddFile("/etc/passwd", nil); err == nil {
t.Errorf("should have failed with uninitialized root path")
}
if err := session.AddSymlink("/etc/symlink", "/etc/passwd"); err == nil {
t.Errorf("should have failed with uninitialized root path")
}
if err := session.Create(); err == nil {
t.Errorf("should have failed with uninitialized root path")
}
if err := session.SetRootPath("/fakedirectory"); err == nil {
t.Error("should have failed with invalid root path directory")
}
if err := session.SetRootPath(dir); err != nil {
t.Fatal(err)
}
if err := session.SetRootPath(dir); err == nil {
t.Error("should have failed with root path already set error")
}
if err := session.AddDir("etc"); err == nil {
t.Errorf("should have failed with non absolute path")
}
if err := session.AddDir("/etc"); err != nil {
t.Error(err)
}
if err := session.AddDir("/etc"); err == nil {
t.Error("should have failed with existent path")
}
if _, err := session.GetPath("/etcd"); err == nil {
t.Errorf("should have failed with non existent path")
}
if err := session.AddFile("/etc/passwd", []byte("hello")); err != nil {
t.Error(err)
}
if err := session.AddSymlink("/etc/symlink", "/etc/passwd"); err != nil {
t.Error(err)
}
if err := session.Chmod("/etc", 0o777); err != nil {
t.Error(err)
}
if err := session.Chmod("/etcd", 0o777); err == nil {
t.Error("should have failed with non existent path")
}
if err := session.Chown("/etc", uid, gid); err != nil {
t.Error(err)
}
if err := session.Chown("/etcd", uid, gid); err == nil {
t.Error("should have failed with non existent path")
}
if err := session.Chmod("/etc/passwd", 0o600); err != nil {
t.Error(err)
}
if err := session.Chown("/etc/passwd", uid, gid); err != nil {
t.Error(err)
}
if err := session.Chown("/etc/symlink", uid, gid); err != nil {
t.Error(err)
}
if err := session.Create(); err != nil {
t.Fatal(err)
}
if p, err := session.GetPath("/etc"); err == nil {
if !fs.IsDir(p) {
t.Errorf("failed to create directory %s", p)
}
} else {
t.Error(err)
}
if p, err := session.GetPath("/etc/passwd"); err != nil {
t.Error(err)
} else {
if !fs.IsFile(p) {
t.Errorf("failed to create file %s", p)
}
}
if p, err := session.GetPath("/etc/symlink"); err != nil {
t.Error(err)
} else {
if !fs.IsLink(p) {
t.Errorf("failed to create symlink %s", p)
}
}
if err := session.AddSymlink("/etc/symlink2", "/etc/passwd"); err != nil {
t.Error(err)
}
if err := session.Update(); err != nil {
t.Fatal(err)
}
if p, err := session.GetPath("/etc/symlink2"); err != nil {
t.Error(err)
} else {
if !fs.IsLink(p) {
t.Errorf("failed to create symlink %s", p)
}
}
}
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