var expect = require("expect.js"), dottie = require('../dottie'); describe("dottie.set", function () { var data = { 'foo': { 'bar': 'baa' } }; it("should set nested values on existing structure", function () { dottie.set(data, 'foo.bar', 'baz'); expect(data.foo.bar).to.equal('baz'); }); it("should create nested structure if not existing", function () { dottie.set(data, 'level1.level2', 'foo'); expect(data.level1.level2).to.equal('foo'); expect(typeof data.level1).to.equal('object'); }); it("should handle setting a nested value on an undefined value (should convert undefined to object)", function () { var data = { 'values': undefined }; dottie.set(data, 'values.level1', 'foo'); expect(data.values.level1).to.equal('foo'); }); it('should be able to set with an array path', function () { dottie.set(data, ['some.dot.containing', 'value'], 'razzamataz'); expect(data['some.dot.containing'].value).to.equal('razzamataz'); }); it("should throw error when setting a nested value on an existing key with a non-object value", function() { expect(function () { dottie.set(data, 'foo.bar.baz', 'someValue'); }).to.throwError(); }); });