chai-shallow-deep-equal

Will shallowly perform a deep equal assertion. In other terms is consist of checking that an object, or objects graph, is contained within another one (see examples bellow).

Usage

Browser

1<script src="chai.js"></script>
2<script src="chai-shallow-deep-equal.js"></script>

Node

1var chai = require('chai');
2chai.use(require('chai-shallow-deep-equal'));

Assertions

ShallowDeepEqual is available for all chai assertion styles:

1var a = {name: 'Michel', language: 'javascript'};
2var b = {name: 'Michel'};
3
4a.should.shallowDeepEqual(b);
5expect(a).to.shallowDeepEqual(b);
6assert.shallowDeepEqual(a, b);

Example

1assert.shallowDeepEqual({name: 'Michel', language: 'javascript'}, {name: 'Michel'}); // true
2
3assert.shallowDeepEqual({
4  name: 'Michel',
5  language: 'javascript',
6  tags: [
7    'developer',
8    'gamer'
9  ]},
10  {
11  name: 'Michel',
12  tags: [
13    'developer'
14  ]}); // true
15
16assert.shallowDeepEqual([
17    {brand: 'apple', color: 'red'},
18    {brand: 'samsung', color: 'blue'},
19  ],
20  {
21  length: 2,
22  0: {color: 'red'},
23  1: {brand: 'samsung'},
24  }); // true
25
26assert.shallowDeepEqual({
27  name: 'Michel',
28  age: undefined
29  },
30  {
31  name: 'Michel',
32  age: 37
33  }); // false (age should not be defined)