FreeAllMedia/mrt

import Component from "../../lib/component/component.js";

class Person extends Component {
    initialize() {
        this.returnValue = this.properties("answers").merged;
    }
}

describe(".properties.merged", () => {
    let person,
            answersOne,
            answersTwo;

    beforeEach(() => {
        person = new Person();

        answersOne = {
            "Bob": "Builder",
            "Thomas": "Engine"
        };

        answersTwo = {
            "Bob": "Belcher"
        };
    });

    it("should be set to an empty object by default", () => {
        person.answers().should.eql({});
    });

    it("should return this to enable chaining after setting a value", () => {
        person.returnValue.should.eql(person.propertyCollections()[0]);
    });

    it("should save aggregate the values of multiple calls", () => {
        person
            .answers(answersOne)
            .answers(answersTwo);

        const expectedMergedAnswers = {
            "Bob": "Belcher",
            "Thomas": "Engine"
        };

        person.answers().should.eql(expectedMergedAnswers);
    });
});