vue测试安装和配置

npm install --save-dev @vue/test-utils mocha mocha-webpack

npm install --save-dev jsdom jsdom-global webapck-node-externals

npm install --save-dev expect

npm install --save-dev nyc babel-plugin-istanbul
8 npm install cross-env --save-dev

配置

webpack.base.conf.js

if (process.env.NODE_ENV === 'test') {
  module.exports.externals = [require('webpack-node-externals')()]
  module.exports.devtool='inline-cheap-module-source-map'
}

.babelrc.js

  "plugins": ["transform-vue-jsx", "transform-runtime", "istanbul"]

test/steup.js

require('jsdom-global')()
global.expect = require('expect')

 package.json

　　

  "nyc": {
    "include": [
      "src/**/*.(js|vue)"
    ],
    "instrument": false,
    "sourceMap":false
  },

 package.json

"script": {
    "test": "cross-env NODE_ENV=test nyc mocha-webpack --webpack-config  build/webpack.base.conf.js --require test/setup.js test/**/*.spec.js"

}