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chai-deep-match

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  • License MIT

Extends Chai with an assertion for deeply matching objects (i.e. subset equality checking)

Package Exports

  • chai-deep-match

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (chai-deep-match) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

chai-deep-match

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Extends Chai with an assertion for deeply matching objects (i.e. subset equality checking).

Install

$ npm install --save chai
$ npm install --save chai-deep-match

Usage

var chai = require('chai');
var chaiDeepMatch = require('chai-deep-match');

chai.use( chaiDeepMatch );


chai.expect( { a: 'foo', b: 'bar', c: 'baz' } ).to.deep.match( { a: 'foo', c: 'baz' } );
// =>  pass

chai.expect( { a: 'foo', b: 'bar', c: 'baz' } ).to.not.deep.match( { a: 'fuzz', c: 'baz' } );
// =>  pass

Note about URL objects

This module also supports WHATWG URL objects, as introduced in Node 7.x (and backported into Node 6.x, it seems). However, it is important to note that the behavior by which it compares two URL objects will only consider them deeply matched if they are a full 100% match rather than a "subset" match. Hopefully this behavior is acceptable to those making use of it! 🙏

License

Copyright (c) 2016-2018, James M. Greene (MIT License)