package dsakey

import (
	"crypto/openpgp"
//	"fmt"
	"bytes"
	"time"
	"testing"
)

func testSignAndVerify(t *testing.T, priv *openpgp.Entity) {
	msg := []byte("testing")
	w := new(bytes.Buffer)
	err := openpgp.DetachSign(w, priv, bytes.NewBuffer(msg))
	if err != nil {
		t.Errorf("error signing: %s", err)
		return
	}

	_, err = openpgp.CheckDetachedSignature(openpgp.EntityList{priv}, bytes.NewBuffer(msg), w)
	if err != nil {
		t.Errorf("Verify failed")
	}
}

func TestKey(t *testing.T) {
	key, err := GenKey()
	if err != nil {
		t.Errorf("gen dsa key failed: %s", err)
		return
	}
	priv, err := NewEntity(key, time.Seconds(), "a", "b", "c")
	if err != nil {
		t.Errorf("new entity failed: %s", err)
	} else {
		testSignAndVerify(t, priv)
	}
}