package code

import (
	"github.com/stretchr/testify/assert"
	"testing"
)

func TestNewRedeemCodeGenerator(t *testing.T) {
	g := RedeemCodeGenerator{}
	filter := make(map[string]struct{})
	for i := 0; i < 10000; i++ {
		n := g.UnsafeNext()
		if _, ok := filter[n]; ok {
			t.Fatal("duplicate code")
		} else {
			filter[n] = struct{}{}
		}
	}
}

func TestRedeemCodeGenerator_IsValid(t *testing.T) {
	g := RedeemCodeGenerator{}
	assert.Error(t, g.IsValid("asdasdoo"))
	assert.Error(t, g.IsValid("QWE"))
	assert.NoError(t, g.IsValid(g.UnsafeNext()))
}