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// Copyright 2012, Jeramey Crawford <jeramey@antihe.ro>
// Copyright 2013, Jonas mg
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file.
package common
import (
"testing"
"strings"
"strconv"
)
var _Salt = &Salt{
MagicPrefix: []byte("$foo$"),
SaltLenMin: 1,
SaltLenMax: 8,
RoundsMin: 1000,
RoundsMax: 999999999,
RoundsDefault: 5000,
}
func TestGenerateSalt(t *testing.T) {
magicPrefixLen := len(_Salt.MagicPrefix)
salt := _Salt.Generate(0)
if len(salt) != magicPrefixLen+1 {
t.Errorf("Expected len 1, got len %d", len(salt))
}
for i := _Salt.SaltLenMin; i <= _Salt.SaltLenMax; i++ {
salt = _Salt.Generate(i)
if len(salt) != magicPrefixLen+i {
t.Errorf("Expected len %d, got len %d", i, len(salt))
}
}
salt = _Salt.Generate(9)
if len(salt) != magicPrefixLen+8 {
t.Errorf("Expected len 8, got len %d", len(salt))
}
}
func TestGenerateSaltWRounds(t *testing.T) {
const rounds = 5001
salt := _Salt.GenerateWRounds(_Salt.SaltLenMax, rounds)
if salt == nil {
t.Errorf("salt should not be nil")
}
expectedPrefix := string(_Salt.MagicPrefix) + "rounds=" + strconv.Itoa(rounds) + "$"
if !strings.HasPrefix(string(salt), expectedPrefix) {
t.Errorf("salt '%s' should start with prefix '%s' but didn't", salt, expectedPrefix)
}
}
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