// Copyright 2016 - 2021 The excelize Authors. All rights reserved. Use of
// this source code is governed by a BSD-style license that can be found in
// the LICENSE file.
//
// Package excelize providing a set of functions that allow you to write to
// and read from XLSX / XLSM / XLTM files. Supports reading and writing
// spreadsheet documents generated by Microsoft Excel™ 2007 and later. Supports
// complex components by high compatibility, and provided streaming API for
// generating or reading data from a worksheet with huge amounts of data. This
// library needs Go version 1.15 or later.

package excelize

import (
	"path/filepath"
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestEncrypt(t *testing.T) {
	f, err := OpenFile(filepath.Join("test", "encryptSHA1.xlsx"), Options{Password: "password"})
	assert.NoError(t, err)
	assert.EqualError(t, f.SaveAs(filepath.Join("test", "BadEncrypt.xlsx"), Options{Password: "password"}), "not support encryption currently")
}

func TestEncryptionMechanism(t *testing.T) {
	mechanism, err := encryptionMechanism([]byte{3, 0, 3, 0})
	assert.Equal(t, mechanism, "extensible")
	assert.EqualError(t, err, "unsupport encryption mechanism")
	_, err = encryptionMechanism([]byte{})
	assert.EqualError(t, err, "unknown encryption mechanism")
}

func TestHashing(t *testing.T) {
	assert.Equal(t, hashing("unsupportHashAlgorithm", []byte{}), []uint8([]byte(nil)))
}