FreeAllMedia/mrt

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

class Arm extends Component {
    initialize(side) {
        this.properties("side");
        this.side(side);
    }
}

describe("component.link.key", () => {
    let person,
            leftArm;

    describe("(without .into set)", () => {
        class Person extends Component {
            initialize() {
                this.link("arm", Arm).key("side");
            }
        }

        it("should use the provided key for the link collection", () => {
            person = new Person();
            leftArm = person.arm("left");
            person.links.arm.left.should.eql(leftArm);
        });
    });

    describe("(with .into set)", () => {
        class Person extends Component {
            initialize() {
                this.link("arm", Arm).into("arms").key("side");
            }
        }

        beforeEach(() => {
            person = new Person();
            leftArm = person.arm("left");
        });

        it("should use the provided key for the into collection", () => {
            person.arms.left.should.eql(leftArm);
        });

        it("should not error when more than one link is instantiated", () => {
            (() => {
                person.arm("right");
            }).should.not.throw();
        });
    });
});