package stanza_test import ( "encoding/xml" "testing" "github.com/google/go-cmp/cmp" "gosrc.io/xmpp/stanza" ) // ============================================================================ // Marshaller / unmarshaller test func checkMarshalling(t *testing.T, iq stanza.IQ) (*stanza.IQ, error) { // Marshall data, err := xml.Marshal(iq) if err != nil { t.Errorf("cannot marshal iq: %s\n%#v", err, iq) return nil, err } // Unmarshall var parsedIQ stanza.IQ err = xml.Unmarshal(data, &parsedIQ) if err != nil { t.Errorf("Unmarshal returned error: %s\n%s", err, data) } return &parsedIQ, err } // ============================================================================ // XML structs comparison // 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 }