/*********************************************************************
 *
 *
 *                     文件单元测试
 *                     创建时间：       2021-06-03
 *                     作者：           孟凯伦
 *
 *
 **********************************************************************/


import { expect } from "chai";
import os from "os";
import fs from "fs/promises";
import path from "path";
import { v4 as uuidv4 } from 'uuid';

import { Test, Tests } from "../testDecorator";
import FilesUtils from "../../src/utils/filesUtils";

@Tests("文件工具测试")
class FilesUtilsSpece {

    /**
     * 获取临时文件夹目录
     */
    private get getTempDirPath(): string {
        return os.tmpdir();
    }

    @Test("验证文件夹创建是否成功")
    public async testCreateDir(): Promise<void> {
        const tempDirName = path.join(this.getTempDirPath, uuidv4());
        await FilesUtils.CreateDir(tempDirName);

        const newDir = await fs.stat(tempDirName);

        expect(newDir.isDirectory).to.be.ok;

        // 删除测试文件夹
        await fs.rmdir(tempDirName);
    }

    @Test("验证文件写入是否成功")
    public async testWriteFile(): Promise<void> {
        // 写入文件路径
        const writeFilePath = path.join(this.getTempDirPath, uuidv4() + ".txt");
        // 写入内容
        const writeContent = "这个是测试内容!";
        await FilesUtils.CreateAndWriteFile(writeFilePath, writeContent);

        // 获取文件内容
        const readTxt = await fs.readFile(writeFilePath, { encoding: "utf8" });

        expect(readTxt).to.be.eq(writeContent);

        // 删除测试文件
        fs.rm(writeFilePath);

    }

    @Test("验证复制文件是否成功")
    public async testCopyFile(): Promise<void> {
        // 原文件路径
        const oFilePath = path.join(this.getTempDirPath, uuidv4() + ".temp1");
        // 创建原文件
        await fs.open(oFilePath, "w");
        // 复制文件路径
        const cpFilePath = path.join(this.getTempDirPath, uuidv4() + ".temp2");

        await FilesUtils.CopyFile(oFilePath, cpFilePath);

        const newCpFile = await fs.stat(cpFilePath);
        expect(newCpFile.isFile).to.be.ok;

        // 移除测试文件
        await fs.rm(oFilePath);
        await fs.rm(cpFilePath);
    }
}