has.test.ts

import { testSuite, expect } from "manten";
import { nrml, testCollection } from "../../../common";

export default testSuite(async ({ describe }) => {
  describe("$has", ({ test }) => {
    test("works", () => {
      const collection = testCollection();
      collection.insert([{ a: 2 }, { b: 4 }, { c: 5 }, { a: 6 }]);
      const found = nrml(collection.find({ $has: "a" }));
      expect(found).toEqual([{ a: 2 }, { a: 6 }]);
    });

    test("works with more than one property", () => {
      const collection = testCollection();
      collection.insert([{ a: 2, b: 1 }, { b: 4 }, { a: 5 }, { a: 6, b: 3 }]);
      const found = nrml(collection.find({ $has: ["a", "b"] }));
      expect(found).toEqual([{ a: 2, b: 1 }, { a: 6, b: 3 }]);
    });

    test("works with $not", () => {
      const collection = testCollection();
      collection.insert([{ a: 2 }, { b: 4 }, { c: 5 }, { a: 6 }]);
      const found = nrml(collection.find({ $not: { $has: "a" } }));
      expect(found).toEqual([
        { xxx: "xxx" },
        { yyy: "yyy" },
        { zzz: "zzz" },
        { b: 4 }, { c: 5 }
      ]);
    });

    test("works with dot notation", () => {
      const collection = testCollection();
      collection.insert([{ a: { b: 2 } }, { a: { c: 4 } }, { a: { d: 5 } }, { a: { b: 6 } }]);
      const found = nrml(collection.find({ $has: "a.b" }));
      expect(found).toEqual([{ a: { b: 2 } }, { a: { b: 6 } }]);
    });
  });
});