40 строки
728 B
Go
40 строки
728 B
Go
package afero
|
|
|
|
import "testing"
|
|
|
|
func TestCopyOnWrite(t *testing.T) {
|
|
var fs Fs
|
|
var err error
|
|
base := NewOsFs()
|
|
roBase := NewReadOnlyFs(base)
|
|
ufs := NewCopyOnWriteFs(roBase, NewMemMapFs())
|
|
fs = ufs
|
|
err = fs.MkdirAll("nonexistent/directory/", 0744)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
_, err = fs.Create("nonexistent/directory/newfile")
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
|
|
}
|
|
|
|
func TestCopyOnWriteFileInMemMapBase(t *testing.T) {
|
|
base := &MemMapFs{}
|
|
layer := &MemMapFs{}
|
|
|
|
if err := WriteFile(base, "base.txt", []byte("base"), 0755); err != nil {
|
|
t.Fatalf("Failed to write file: %s", err)
|
|
}
|
|
|
|
ufs := NewCopyOnWriteFs(base, layer)
|
|
|
|
_, err := ufs.Stat("base.txt")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|