import { Store } from "../Store";
import { updateArray } from "./updateArray";
import assert from "assert";

describe("updateArray", function () {
   it("updates all elements that satisfy criteria", function () {
      let store = new Store({
         data: { array: [1, 2, 3, 4, 5, 6] },
      });

      assert(
         store.update(
            "array",
            updateArray,
            (x) => x + 1,
            (x) => x > 3,
         ),
      );
      assert.deepEqual(store.get("array"), [1, 2, 3, 5, 6, 7]);
   });

   it("does not modify data if not necessary", function () {
      let array = [1, 2, 3, 4, 5, 6];
      let store = new Store({
         data: { array },
      });

      assert(
         false ===
            store.update(
               "array",
               updateArray,
               (x) => x + 1,
               (x) => x > 10,
            ),
      );
      assert(store.get("array") === array);
   });

   it("works with null or undefined", function () {
      let store = new Store();
      assert(
         false ===
            store.update(
               "array",
               updateArray,
               (x) => x + 1,
               (x) => x > 0,
            ),
      );
   });

   it("can remove elements given the criteria", function () {
      let store = new Store({
         data: { array: [1, 2, 3, 4, 5, 6] },
      });

      assert(
         store.update(
            "array",
            updateArray,
            (x) => x + 1,
            (x) => x > 3,
            (x) => x <= 3,
         ),
      );
      assert.deepEqual(store.get("array"), [5, 6, 7]);
   });
});