go-xmpp/stanza/xmpp_test.go

41 lines
925 B
Go

package stanza_test
import (
"encoding/xml"
"github.com/google/go-cmp/cmp"
)
// Compare iq structure but ignore empty namespace as they are set properly on
// marshal / unmarshal. There is no need to manage them on the manually
// crafted structure.
func xmlEqual(x, y interface{}) bool {
return cmp.Equal(x, y, xmlOpts())
}
// xmlDiff compares xml structures ignoring namespace preferences
func xmlDiff(x, y interface{}) string {
return cmp.Diff(x, y, xmlOpts())
}
func xmlOpts() cmp.Options {
alwaysEqual := cmp.Comparer(func(_, _ interface{}) bool { return true })
opts := cmp.Options{
cmp.FilterValues(func(x, y interface{}) bool {
xx, xok := x.(xml.Name)
yy, yok := y.(xml.Name)
if xok && yok {
zero := xml.Name{}
if xx == zero || yy == zero {
return true
}
if xx.Space == "" || yy.Space == "" {
return true
}
}
return false
}, alwaysEqual),
}
return opts
}