import {convertToArray} from "../src/utils";

describe("convertToArray", () => {
    it("convert Set into array", () => {
        const setExample = new Set<string>();
        setExample.add("hello");
        setExample.add("world");
        const newArr = convertToArray(setExample);
        expect(newArr).toBeInstanceOf(Array);
        expect(newArr.length).toEqual(2);
        expect(newArr).toContain("hello");
        expect(newArr).toContain("world");
    });

    it("convert Map into array of values", () => {
        const map = new Map<string, string>();
        map.set("key1", "hello");
        map.set("key2", "world");
        const newArr = convertToArray(map);
        expect(newArr).toBeInstanceOf(Array);
        expect(newArr.length).toEqual(2);
        expect(newArr).toContain("hello");
        expect(newArr).toContain("world");
    });

    it("should return array untouched", () => {
        const arr = ["hello", "world"];
        expect(arr).toBeInstanceOf(Array);
        expect(arr.length).toEqual(2);
        expect(arr).toContain("hello");
        expect(arr).toContain("world");
    });
});