Files
core/io/fs/readonly_test.go
2023-02-01 16:09:20 +01:00

51 lines
1.1 KiB
Go

package fs
import (
"strings"
"testing"
"github.com/stretchr/testify/require"
)
func TestReadOnly(t *testing.T) {
mem, err := NewMemFilesystemFromDir(".", MemConfig{})
require.NoError(t, err)
ro, err := NewReadOnlyFilesystem(mem)
require.NoError(t, err)
err = ro.Symlink("/readonly.go", "/foobar.go")
require.Error(t, err)
_, _, err = ro.WriteFile("/readonly.go", []byte("foobar"))
require.Error(t, err)
_, _, err = ro.WriteFileReader("/readonly.go", strings.NewReader("foobar"))
require.Error(t, err)
_, _, err = ro.WriteFileSafe("/readonly.go", []byte("foobar"))
require.Error(t, err)
err = ro.MkdirAll("/foobar/baz", 0700)
require.Error(t, err)
res := ro.Remove("/readonly.go")
require.Equal(t, int64(-1), res)
res = ro.RemoveAll()
require.Equal(t, int64(0), res)
rop, ok := ro.(PurgeFilesystem)
require.True(t, ok, "must implement PurgeFilesystem")
size, _ := ro.Size()
res = rop.Purge(size)
require.Equal(t, int64(0), res)
ros, ok := ro.(SizedFilesystem)
require.True(t, ok, "must implement SizedFilesystem")
err = ros.Resize(100)
require.Error(t, err)
}