开始

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小牛编辑
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2023-12-01
$ npm install mocha
$ mkdir test
$ $EDITOR test/test.js # or open with your favorite editor

在编辑器中输入:

var assert = require('assert');
describe('Array', function() {
describe('#indexOf()', function() {
  it('should return -1 when the value is not present', function() {
    assert.equal([1,2,3].indexOf(4), -1);
  });
});
});

然后在终端中运行:

$ ./node_modules/mocha/bin/mocha
Array
  #indexOf()
    ✓ should return -1 when the value is not present
1 passing (9ms)

在的package.json中设置一个测试脚本:

"scripts": {
  "test": "mocha"
}

然后运行:

$ npm test