mocha-runner

2018-12-07 admin

mocha-runner是什么

什么是mocha-runner,A simple mocha runner that includes chai, sinon, sinon-chai and chai-fuzzy and accepts a list of globs to run

mocha-runner使用教程帮助文档

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mocha-runner

A simple mocha runner that includes chai, sinon, sinon-chai and chai-fuzzy and accepts a list of globs to run

Motivation

install

# usually is enough to install it as a dev dependency since this is for testing
npm i --save-dev mocha-runner

usage

Options

`mocha-runner` is yet another mocha cli with includes sinon, mocha and chai

========================================================
Usage: mocha-runner [options] glob [glob1] [glob2]..[globN]
========================================================

Options:
  -u, --use-cache        If true will filter the files returning only the ones that changed after the last run, if this is false the cache will be
                         destroyed and created again the next time this flag is set to true. By default this is false
  -g, --grep String      only run tests matching
  -f, --fgrep String     only run tests matching
  -b, --bail             fail on the first error
  -r, --reporter String  Reporter, default to spec
  -t, --timeout Number   mocha tests timeout
  -h, --help             Show this help
  -v, --version          Outputs the version number
  -q, --quiet            Show only the summary info - default: false
  --colored-output       Use colored output in logs
  --stack                if true, uncaught errors will show the stack trace if available
  -c, --config String    path to your mocha config. If none provided, it will first try to find a `./mocha.json` file in the current directory. If
                         none found it will use the default ones. See mocha options here: http://mochajs.org/

Example

From the command line

# or node node_modules/mocha-runner/bin/runner.js if installed as dev-dependency
mocha-runner --config='./path-to-mocha-config.json' 'specs/**/*.js' 'another/directory/**/*.js'

or in your package.json, (Recommended), paired with istanbul and watch-spawn

{
  "scripts": {
     // simple example for running tests
     "test": "mocha-runner 'specs/**/*.js'",
     // use it with istanbul to generate nice coverage reports
     "coverage": "istanbul cover -x 'specs/**/*.js' ./bin/runner.js 'specs/**/*.js' html text-summary",
     // use the useCache option to only run the tests that changed
     "coverage-cache": "istanbul cover -x 'specs/**/*.js' ./bin/runner.js 'specs/**/*.js' html text-summary -- --useCache=true",
     // pair it with watch-spawn and execute the tests only on the specs that changed
     // or when the sources files change, this will save tons of time if running this on a project with several files
     // Or at least save some noise to focus only on the modified specs.
     "watch": "npm run coverage && watch-spawn -p 'specs/**/*.js' -p 'bin/**/*.js' -p 'lib/**/*.js' npm run coverage-cache"
  }
}

then you can do

npm run test # will execute the tests
npm run coverage # will generate a coverage report
npm run coverage-cache # will execute only the test that changed. Coverage report is only of the changed files
npm run watch # will watch for changes on the specified files and run

Changelog

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