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Files
crio-lxc/mount_test.go
Ruben Jenster 7527e4f3a8 unprivileged fixes
Signed-off-by: Ruben Jenster <r.jenster@drachenfels.de>
2021-04-21 01:20:29 +02:00

84 lines
3.0 KiB
Go

package lxcri
import (
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/require"
)
func TestResolveMountDestination_absolute(t *testing.T) {
tmpdir, err := os.MkdirTemp("", "golang.test")
require.NoError(t, err)
defer os.RemoveAll(tmpdir)
err = os.MkdirAll(filepath.Join(tmpdir, "folder1"), 0750)
require.NoError(t, err)
err = os.MkdirAll(filepath.Join(tmpdir, "folder2"), 0750)
require.NoError(t, err)
err = os.MkdirAll(filepath.Join(tmpdir, "folder3"), 0750)
require.NoError(t, err)
err = os.Symlink("/folder2", filepath.Join(tmpdir, "folder1", "f2"))
require.NoError(t, err)
err = os.Symlink("/folder3", filepath.Join(tmpdir, "folder2", "f3"))
require.NoError(t, err)
err = os.WriteFile(filepath.Join(tmpdir, "folder3", "test.txt"), []byte("hello"), 0640)
require.NoError(t, err)
p, err := resolveMountDestination(tmpdir, "/folder1/f2/f3/test.txt")
require.Equal(t, filepath.Join(tmpdir, "/folder3/test.txt"), p)
require.NoError(t, err)
p, err = resolveMountDestination(tmpdir, "/folder1/f2/xxxxx/fooo")
require.Equal(t, filepath.Join(tmpdir, "/folder2/xxxxx/fooo"), p)
require.Error(t, err, os.ErrExist)
p, err = resolveMountDestination(tmpdir, "/folder1/f2/f3/hello.txt")
require.Equal(t, filepath.Join(tmpdir, "/folder3/hello.txt"), p)
require.Error(t, err, os.ErrExist)
}
func TestResolveMountDestination_relative(t *testing.T) {
tmpdir, err := os.MkdirTemp("", "golang.test")
require.NoError(t, err)
defer os.RemoveAll(tmpdir)
err = os.MkdirAll(filepath.Join(tmpdir, "folder1"), 0750)
require.NoError(t, err)
err = os.MkdirAll(filepath.Join(tmpdir, "folder2"), 0750)
require.NoError(t, err)
err = os.MkdirAll(filepath.Join(tmpdir, "folder3"), 0750)
require.NoError(t, err)
err = os.Symlink("../folder2", filepath.Join(tmpdir, "folder1", "f2"))
require.NoError(t, err)
err = os.Symlink("../folder3", filepath.Join(tmpdir, "folder2", "f3"))
require.NoError(t, err)
err = os.WriteFile(filepath.Join(tmpdir, "folder3", "test.txt"), []byte("hello"), 0640)
require.NoError(t, err)
//err = os.Symlink("../../folder2", filepath.Join(tmpdir, "folder1", "f2"))
//require.NoError(t, err)
p, err := resolveMountDestination(tmpdir, "/folder1/f2/f3/test.txt")
require.Equal(t, filepath.Join(tmpdir, "/folder3/test.txt"), p)
require.NoError(t, err)
p, err = resolveMountDestination(tmpdir, "/folder1/f2/xxxxx/fooo")
require.Equal(t, filepath.Join(tmpdir, "/folder2/xxxxx/fooo"), p)
require.Error(t, err, os.ErrExist)
p, err = resolveMountDestination(tmpdir, "/folder1/f2/f3/hello.txt")
require.Equal(t, filepath.Join(tmpdir, "/folder3/hello.txt"), p)
require.Error(t, err, os.ErrExist)
}
func TestFilterMountOptions(t *testing.T) {
opts := strings.Split("rw,rprivate,noexec,nosuid,nodev,tmpcopyup,create=dir", ",")
rt := Runtime{}
out := filterMountOptions(&rt, "tmpfs", opts)
require.Equal(t, []string{"rw", "noexec", "nosuid", "nodev", "create=dir"}, out)
out = filterMountOptions(&rt, "nosuchfs", opts)
require.Equal(t, opts, out)
}