import assert from "assert";

import { Binding } from "./Binding";
import { Store } from "./Store";
import { ZoomIntoPropertyView } from "./ZoomIntoPropertyView";

describe("ZoomIntoPropertyView", () => {
   const getZoom = () => {
      let store = new Store({
         data: {
            a: 3,
            item: {
               firstName: "Jack",
            },
         },
      });

      return new ZoomIntoPropertyView({
         store: store,
         binding: Binding.get("item"),
      });
   };

   it("allows direct access to properties of zoomed object", () => {
      let zoom = getZoom();
      assert.equal(zoom.get("firstName"), "Jack");
   });

   it("allows access to outside data through $root", () => {
      let zoom = getZoom();
      assert.equal(zoom.get("$root.a"), 3);
   });

   it("correctly sets zoomed object", () => {
      let zoom = getZoom();
      zoom.set("firstName", "Joe");
      assert.equal(zoom.get("firstName"), "Joe");
   });

   it("correctly sets zoomed values", () => {
      let zoom = getZoom();
      zoom.set("firstName", "Joe");
      assert.equal(zoom.get("firstName"), "Joe");
      assert.equal(zoom.get("$root.item.firstName"), "Joe");
   });

   it("correctly sets outside values", () => {
      let zoom = getZoom();
      zoom.set("$root.a", 6);
      assert.equal(zoom.get("$root.a"), 6);
   });

   it("correctly deletes zoomed values", () => {
      let zoom = getZoom();
      zoom.delete("firstName");
      assert.equal(zoom.get("firstName"), undefined);
   });

   it("correctly deletes outside values", () => {
      let zoom = getZoom();
      zoom.delete("$root.a");
      assert.equal(zoom.get("$root.a"), undefined);
   });
});