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gulp-jest

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gulp-jest

Gulp plugin for the Jest test library

Installation

$ npm install gulp-jest jest-cli

Usage

var jest = require('gulp-jest').default;
 
gulp.task('jest', function () {
  return gulp.src('__tests__').pipe(jest({
    config: {
      "preprocessorIgnorePatterns": [
        "<rootDir>/dist/", "<rootDir>/node_modules/"
      ],
      "automock": false
    }
  }));
});
 

process.env.NODE_ENV

Unlike the jest CLI tool, gulp-jest does not automatically set process.env.NODE_ENV to be test. If you are using Webpack or Babel, you may need to manually set process.env.NODE_ENV prior to running the task itself.

gulp.task('jest', function () {
  process.env.NODE_ENV = 'test';
  
  return gulp.src('__tests__').pipe(jest({
    ...
  }));
});

API

jest(options)

options

as per Jest config

License

MIT © Dominic Barker