func BenchmarkCSSRelative1(b *testing.B) {
bs := bytes.NewBuffer([]byte(`body{background: url("../test")}`))
o := &bytes.Buffer{}
b.ResetTimer()
for n := 0; n < b.N; n++ {
_ = urlrw.CSSRelative(root, o, bs)
}
}
func Example() {
// File data: body{background: url('../img/test.jpg')}
f, err := os.Open("test_ref/css.css")
if err != nil {
fmt.Println(err)
}
buf := &bytes.Buffer{}
err = urlrw.CSSRelative("/root/sub", buf, f)
if err != nil {
fmt.Println(err)
}
fmt.Println(string(buf.Bytes()))
// Output: body{background: url('/root/img/test.jpg')}
}
func TestCSSRelative(t *testing.T) {
if testing.Short() {
t.Skip("skipping test in short mode.")
}
ts := []struct {
css string
root string
rw string
}{
{
`body{background: url(../test)}`, root,
`body{background: url(` + path.Clean(root+`/../test`) + `)}`,
},
{
`body{background: url('../test')}`, root,
`body{background: url('` + path.Clean(root+`/../test`) + `')}`,
},
{
`body{background: url('../test')}`, root + `/`,
`body{background: url('` + path.Clean(root+`/../test`) + `')}`,
},
{
`body{background: url("./test")}`, root,
`body{background: url("` + path.Clean(root+`/./test`) + `")}`,
},
{
`body{background: url("/test")}`, root,
`body{background: url("/test")}`,
},
{
`body{background: url("/test")}`, root + `/`,
`body{background: url("/test")}`,
},
{
`body{background: url(data:test)}`, root,
`body{background: url(data:test)}`,
},
{
`body{background: url("../test")}div{background:url('../another')}`,
root,
`body{background: url("` + path.Clean(root+`/../test`) + `")}div{background:url('` + path.Clean(root+`/../another`) + `')}`,
},
}
for _, v := range ts {
b := bytes.NewBuffer([]byte(v.css))
o := &bytes.Buffer{}
err := urlrw.CSSRelative(v.root, o, b)
if err != nil {
t.Fatal(err)
}
data, err := ioutil.ReadAll(o)
if err != nil {
t.Fatal(err)
}
want := v.rw
got := string(data)
if got != want {
t.Errorf("got %v, want %v", got, want)
}
}
}