@player-ui/player/src/validator/__tests__/binding-map-splice.test.ts

import { describe, it, expect } from "vitest";
import { BindingParser } from "../../binding";
import { removeBindingAndChildrenFromMap } from "../binding-map-splice";

const parser = new BindingParser({
  get: () => undefined,
  set: () => undefined,
  evaluate: () => undefined,
});

describe("removeBindingAndChildrenFromMap", () => {
  it("removes a binding and its chidlren", () => {
    const sourceMap = new Map([
      [parser.parse("foo.bar.baz"), 1],
      [parser.parse("foo.bar"), 2],
      [parser.parse("foo.baz"), 3],
    ]);

    const result = removeBindingAndChildrenFromMap(
      sourceMap,
      parser.parse("foo.bar"),
    );

    expect(result).toStrictEqual(new Map([[parser.parse("foo.baz"), 3]]));
  });

  it("splices a binding and its children", () => {
    const sourceMap = new Map([
      [parser.parse("foo.bar.0.aaa"), 1],
      [parser.parse("foo.bar.0.aab"), 2],
      [parser.parse("foo.bar.1.bba"), 3],
      [parser.parse("foo.bar.1.bbb"), 4],
      [parser.parse("foo.bar.2.cca"), 5],
      [parser.parse("foo.bar.2.ccb"), 6],
      [parser.parse("foo.baz"), 3],
    ]);

    const result = removeBindingAndChildrenFromMap(
      sourceMap,
      parser.parse("foo.bar.1"),
    );

    expect(result).toStrictEqual(
      new Map([
        [parser.parse("foo.bar.0.aaa"), 1],
        [parser.parse("foo.bar.0.aab"), 2],
        [parser.parse("foo.bar.1.cca"), 5],
        [parser.parse("foo.bar.1.ccb"), 6],
        [parser.parse("foo.baz"), 3],
      ]),
    );
  });
});