@schukai/monster/test/cases/dom/util/extract-keys.mjs

Monster is a simple library for creating fast, robust and lightweight websites.

import {expect} from 'chai';
import {extractKeys} from "../../../../source/dom/util/extract-keys.mjs";


describe('extractKeys', () => {
    it('should extract keys from the given object', () => {
        const obj = {
            firstName: 'John',
            lastName: 'Doe',
            address: {
                street: '123 Main St',
                city: 'New York',
            },
        };

        const expected = new Map([
            ['firstname', 'firstName'],
            ['lastname', 'lastName'],
            ['address-street', 'address.street'],
            ['address-city', 'address.city'],
        ]);

        const result = extractKeys(obj);

        expect(JSON.stringify(Array.from(result))).to.equal(JSON.stringify(Array.from(expected)));
    });

    it('should use custom key and value separators', () => {
        const obj = {
            firstName: 'John',
            lastName: 'Doe',
        };

        const expected = new Map([
            ['prefix+firstname', 'prefix+firstName'],
            ['prefix+lastname', 'prefix+lastName'],
        ]);

        const result = extractKeys(obj, 'prefix', '+', '+');

        expect(JSON.stringify(Array.from(result))).to.equal(JSON.stringify(Array.from(expected)));
    });

    it('check if value is null', () => {
        const obj = {
            firstName: 'John',
            lastName: 'Doe',
            address: null,
        };

        const expected = new Map([
            ['firstname', 'firstName'],
            ['lastname', 'lastName'],
            ['address', 'address'],
            
        ]);

        const result = extractKeys(obj);

        expect(JSON.stringify(Array.from(result))).to.equal(JSON.stringify(Array.from(expected)));
    });

    // Add more test cases as needed
});