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@jimi1126/unitest

v1.0.0

Published

generate unit test

Downloads

5

Readme

Unitest

一个 cli 工具,通过注解生成单元测试,让单元测试变得简单。

安装

npm i unitest -g

快速开始

在需要生成单元测试的文件里,为函数添加单元测试注解,然后告诉 unitest 文件在哪里并运行,当运行完毕在项目的根目录下就多了一个 test 目录,里面就是生成的单元测试了。

  1. 示例:demo.js
/**
 * 返回两数相加结果
 * @param {Number} a
 * @param {Number} b
 * @return {Number}
 * @test 1|2 3
 */
exports.add = function (a, b) {
  return a + b;
};

假设目录结构是这样的 1712396079101.png

unitest -f src/demo.js

1712398185730.png 可以看到,项目添加了一个 test 目录,并且生成两个测试文件,为什么是两个?考虑到会有自定义单元测试的情况,避免覆盖,我们把自定义的测试代码放在.test.js 文件里,.test.js 文件只会生成一次,而.unitest.js 总是会重新生成。

现在运行测试工具,就可以看到函数完成了单元测试。

image.png

说明

注释

unitest 会检查所有添加@test 注释的函数

// 1、只添加@test,会生成单元测试,单元测试代码无参数传入
/**
 * @test
 */
exports.add = function (a, b) {
  return a + b;
};
// 2、添加@test与@param,会生成单元测试,并且单元测试代码根据@param类型mock参数传入
/**
 * 返回两数相加结果
 * @param {Number} a
 * @param {Number} b
 * @test
 */
exports.add = function (a, b) {
  return a + b;
};
// 3、添加@test并描述输入(以|隔开)与输出(与输入以空格隔开),会生成单元测试,单元测试代码会根据描述生成输入输出
// 注意:这样注释都将被解析成String
/**
 * 返回两数相加结果
 * @test 1|2 3
 */
exports.add = function (a, b) {
  return a + b;
};
// 4、为了支持输入输出类型,需要添加@param与@return来定义输入与输出类型
/**
 * 返回两数相加结果
 * @param {Number} a
 * @param {Number} b
 * @return {Number}
 * @test 1|2 3
 */
exports.add = function (a, b) {
  return a + b;
};

options

支持指定目标目录与指定生成目录,当前只支持.js 后缀

Options:
  -v, --version          当前版本
  -f, --from <dir|file>  指定目标目录或文件 (default: "src")
  -t, --to <dir>         指定生成目录 (default: "test")
  -e, --ext <suffix>     指定目标文件后缀 (default: ".js")
  -c, --config <file>    指定配置文件
  -h, --help             display help for command