Switch to chai

Author: Philipp Alferov

index.js

@@ -0,0 +1,9 @@
+function clone(obj) {
+  return JSON.parse(JSON.stringify(obj));
+}
+
+module.exports = function(obj) {
+  var cloned = clone(obj);
+
+  return cloned;
+};

package.json

@@ -15,11 +15,11 @@
   ],
   "devDependencies": {
     "babel-core": "^5.8.24",
+    "chai": "^3.2.0",
     "eslint": "^1.4.1",
     "gulp": "^3.9.0",
     "gulp-mocha": "^2.1.3",
-    "mocha": "^2.3.0",
-    "should": "^7.1.0"
+    "mocha": "^2.3.0"
   },
   "author": "Philipp Alferov <philipp.alferov@gmail.com>",
   "license": "MIT"

test/test.js

@@ -1,10 +1,21 @@
-var assert = require('assert');
-var should = require('should');
+'use strict';
+var chai = require('chai');
+var expect = chai.expect;
 var toTree = require('../index.js');
 var expected = require('./fixtures/expected.fixture.js');
 var initial = require('./fixtures/initial.fixture.js');
 var current;
 
 describe('parent pointer array to tree', function() {
+  describe('expected behavior', function() {
 
+    beforeEach(function() {
+      current = toTree(initial);
+    });
+
+    it('should not modify passed object', function() {
+      expect(current).not.to.be.equal(initial);
+    });
+
+  })
 });