func (s *Startup) FillMessage(m *femebe.Message) {
buf := bytes.NewBuffer(make([]byte, 0, 1024))
// Startup-message type word
buf.Write([]byte{0x00, 0x03, 0x00, 0x00})
for name, value := range s.Params {
femebe.WriteCString(buf, name)
femebe.WriteCString(buf, value)
}
buf.Write([]byte{'\000'})
m.InitFromBytes(femebe.MSG_TYPE_FIRST, buf.Bytes())
}
func TestVersionBadValue(t *testing.T) {
msgInit := func(dst *femebe.Message, exit exitFn) {
buf := bytes.Buffer{}
femebe.WriteCString(&buf, "PG7.4.15/1")
dst.InitFromBytes('V', buf.Bytes())
}
sentinel := &msgInit
exit := func(args ...interface{}) {
// Because this kind of error simply reports a string (with no
// type taxonomy to go with it), and that seems good enough,
// elide confirming precisely what the error is.
panic(sentinel)
}
defer func() {
if r := recover(); r != nil && r != sentinel {
t.Fatal("Paniced, but not with the sentinel value")
}
// Success
}()
processVerMsg(msgInit, exit)
t.Fatal("Message should call exit, aborting execution before this")
}
func TestVersionOK(t *testing.T) {
msgInit := func(dst *femebe.Message, exit exitFn) {
buf := bytes.Buffer{}
femebe.WriteCString(&buf, "PG-9.2.2/logfebe-1")
dst.InitFromBytes('V', buf.Bytes())
}
exit := func(args ...interface{}) {
t.Fatal("Ver Message is thought to be well formed. " +
"Invariant broken.")
}
processVerMsg(msgInit, exit)
}