package auth

import (
	"strings"
	"testing"
	"time"
)

func TestHashCheck(t *testing.T) {
	h, err := HashPassword("hunter2")
	if err != nil {
		t.Fatal(err)
	}
	if !strings.HasPrefix(h, "$2a$") || !CheckPassword(h, "hunter2") || CheckPassword(h, "wrong") {
		t.Fatal("bcrypt wrong")
	}
}

func TestSignParse(t *testing.T) {
	secret := []byte("k")
	tok, err := Sign(secret, 7, "admin")
	if err != nil {
		t.Fatal(err)
	}
	c, err := Parse(secret, tok)
	if err != nil || c.UID != 7 || c.Role != "admin" {
		t.Fatalf("parse: %v %+v", err, c)
	}
	if _, err := Parse([]byte("other"), tok); err == nil {
		t.Fatal("must reject wrong secret")
	}
	expired, _ := SignWithTTL(secret, 1, "member", -time.Hour)
	if _, err := Parse(secret, expired); err == nil {
		t.Fatal("must reject expired")
	}
	// alg 混淆攻击:none 必须拒
	if _, err := Parse(secret, "eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJ1aWQiOjF9."); err == nil {
		t.Fatal("must reject alg=none")
	}
}