twitst4tz

twitter statistics web application
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utils.js (1432B)


      1 'use strict';
      2 
      3 var test = require('tape');
      4 var utils = require('../lib/utils');
      5 
      6 test('merge()', function (t) {
      7     t.deepEqual(utils.merge({ a: 'b' }, { a: 'c' }), { a: ['b', 'c'] }, 'merges two objects with the same key');
      8 
      9     var oneMerged = utils.merge({ foo: 'bar' }, { foo: { first: '123' } });
     10     t.deepEqual(oneMerged, { foo: ['bar', { first: '123' }] }, 'merges a standalone and an object into an array');
     11 
     12     var twoMerged = utils.merge({ foo: ['bar', { first: '123' }] }, { foo: { second: '456' } });
     13     t.deepEqual(twoMerged, { foo: { 0: 'bar', 1: { first: '123' }, second: '456' } }, 'merges a standalone and two objects into an array');
     14 
     15     var sandwiched = utils.merge({ foo: ['bar', { first: '123', second: '456' }] }, { foo: 'baz' });
     16     t.deepEqual(sandwiched, { foo: ['bar', { first: '123', second: '456' }, 'baz'] }, 'merges an object sandwiched by two standalones into an array');
     17 
     18     var nestedArrays = utils.merge({ foo: ['baz'] }, { foo: ['bar', 'xyzzy'] });
     19     t.deepEqual(nestedArrays, { foo: ['baz', 'bar', 'xyzzy'] });
     20 
     21     t.end();
     22 });
     23 
     24 test('assign()', function (t) {
     25     var target = { a: 1, b: 2 };
     26     var source = { b: 3, c: 4 };
     27     var result = utils.assign(target, source);
     28 
     29     t.equal(result, target, 'returns the target');
     30     t.deepEqual(target, { a: 1, b: 3, c: 4 }, 'target and source are merged');
     31     t.deepEqual(source, { b: 3, c: 4 }, 'source is untouched');
     32 
     33     t.end();
     34 });