karma/wallaby.js

module.exports = function () {
  return {
    files: [
      {
        pattern: 'package.json',
        instrument: false
      },
      {
        pattern: 'config.tpl.js',
        instrument: false
      },
      'lib/**/*.js',
      'test/unit/**/*.js',
      'test/unit/mocha-globals.coffee'
    ],

    tests: [
      'test/unit/**/*.spec.coffee'
    ],

    bootstrap: function (w) {
      var path = require('path');
      var mocha = w.testFramework;

      mocha.suite.on('pre-require', function () {

        // always passing wallaby.js globals to mocks.loadFile
        var mocks = require('mocks');
        var loadFile = mocks.loadFile;
        mocks.loadFile = function (filePath, mocks, globals, mockNested) {
          mocks = mocks || {};
          globals = globals || {};
          globals.$_$wp = global.$_$wp;
          globals.$_$w = global.$_$w;
          globals.$_$wf = global.$_$wf;
          globals.$_$tracer = global.$_$tracer;
          return loadFile(filePath, mocks, globals, mockNested);
        };

        // loading mocha-globals for each run
        require(path.join(process.cwd(), 'test/unit/mocha-globals'));
      });
    },

    env: {
      type: 'node'
    }
  };
};