package queue

import (
	"testing"

	"github.com/go-json-experiment/json"
)

func TestSenderUnique(t *testing.T) {
	// Salt, channel, and user should all produce differences in the sender ID.
	base := Sender([]byte("nijika"), "kessoku", "bocchi")
	salt := Sender([]byte("kita"), "kessoku", "bocchi")
	channel := Sender([]byte("nijika"), "sickhack", "bocchi")
	user := Sender([]byte("nijika"), "kessoku", "ryō")
	m := map[sender]struct{}{
		base:    {},
		salt:    {},
		channel: {},
		user:    {},
	}
	if len(m) != 4 {
		t.Errorf("collision:\nbase: %v\nsalt: %v\nchan: %v\nuser: %v", base, salt, channel, user)
	}
}

func TestSenderRoundTrip(t *testing.T) {
	want := Sender([]byte("nijika"), "kessoku", "bocchi")
	b, err := json.Marshal(want)
	if err != nil {
		t.Errorf("encode failed: %v", err)
	}
	var got sender
	if err := json.Unmarshal(b, &got); err != nil {
		t.Errorf("decode failed: %v", err)
	}
	if want != got {
		t.Errorf("round-trip failed:\nwant %v\ngot  %v", want, got)
	}
}