node/test/simple/test-process-config.js

// Copyright Joyent, Inc. and other Node contributors.
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//
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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var common = require('../common');
var assert = require('assert');
var fs = require('fs');
var path = require('path');

// check for existence
assert(process.hasOwnProperty('config'));

// ensure that `process.config` is an Object
assert(Object(process.config) === process.config);

var configPath = path.resolve(__dirname, '..', '..', 'config.gypi');
var config = fs.readFileSync(configPath, 'utf8');

// clean up comment at the first line
config = config.split('\n').slice(1).join('\n').replace(/'/g, '"');
config = JSON.parse(config, function(key, value) {
  if (value === 'true') return true;
  if (value === 'false') return false;
  return value;
});

assert.deepEqual(config, process.config);