example es6 spec using node-flavored modules

cell_spec.js

import Cell from "../../app/assets/javascripts/Cell.es6";

describe("Cell", function() {
  var cell;

  beforeEach(() => {
    cell = new Cell(false, 1, 1);
  });

  it("should respond properly to methods", () => {
    expect(cell.alive).toBe(false);
    expect(cell.x).toBe(1);
    expect(cell.y).toBe(1);
  });
});