package afero import ( "testing" ) func TestBasePath(t *testing.T) { baseFs := &MemMapFs{} baseFs.MkdirAll("/base/path/tmp", 0777) bp := NewBasePathFs(baseFs, "/base/path") if _, err := bp.Create("/tmp/foo"); err != nil { t.Errorf("Failed to set real path") } if fh, err := bp.Create("../tmp/bar"); err == nil { t.Errorf("succeeded in creating %s ...", fh.Name()) } }