package auth

import (
	"encoding/base64"
	"errors"
	"strings"
	"testing"
)

func TestSessionKeyFromToken(t *testing.T) {
	token := base64.RawURLEncoding.EncodeToString(make([]byte, 32))
	key, err := sessionKeyFromToken("olons_server:session:token:%s", token)
	if err != nil {
		t.Fatal(err)
	}
	if !strings.HasPrefix(key, "olons_server:session:token:") || len(key) != len("olons_server:session:token:")+64 {
		t.Fatalf("unexpected session key %q", key)
	}
}

func TestSessionKeyFromTokenRejectsMalformedToken(t *testing.T) {
	for _, token := range []string{"", "invalid", base64.RawURLEncoding.EncodeToString(make([]byte, 31))} {
		if _, err := sessionKeyFromToken("olons_server:session:token:%s", token); !errors.Is(err, ErrAuthRequired) {
			t.Errorf("token %q: error = %v, want %v", token, err, ErrAuthRequired)
		}
	}
}