deck-of-cards-ts/dist/deck.test.js

Deck of cards package with TypeScript types.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var constants_1 = require("./constants");
var deck_1 = require("./deck");
describe('Deck tests', function () {
    test('Instantiates with the correct number of cards', function () {
        expect(new deck_1.default().getCards().length).toBe(constants_1.FULL_DECK_CARD_COUNT * 1);
        expect(new deck_1.default(1).getCards().length).toBe(constants_1.FULL_DECK_CARD_COUNT * 1);
        expect(new deck_1.default(2).getCards().length).toBe(constants_1.FULL_DECK_CARD_COUNT * 2);
        expect(new deck_1.default(10).getCards().length).toBe(constants_1.FULL_DECK_CARD_COUNT * 10);
    });
    test('Instantiating a full deck does not repeat cards', function () {
        var deck = new deck_1.default();
        var cards = deck.getCards();
        var uniqueCards = new Set(cards);
        expect(uniqueCards.size).toBe(constants_1.FULL_DECK_CARD_COUNT);
    });
    test('Drawing a card removes it from the deck', function () {
        var deck = new deck_1.default();
        var card = deck.draw();
        expect(card).not.toBe(null);
        expect(deck.getCards().some(function (c) {
            if (deck.isThisYourCard(c, card)) {
                console.log(c);
                console.log(card);
            }
            return deck.isThisYourCard(c, card);
        })).toBe(false);
    });
    test('Drawing after the last card returns null', function () {
        var deck = new deck_1.default(0);
        var card = deck.draw();
        expect(card).toBe(null);
    });
    test('Shuffling changes the order of the cards', function () {
        var deck = new deck_1.default();
        var cards = deck.getCards();
        deck.shuffle();
        var cardsCopy = deck.getCards();
        expect(cards).not.toEqual(cardsCopy);
    });
    test('isThisYourCard returns true when the cards are the same', function () {
        var deck = new deck_1.default();
        var cards = deck.getCards();
        expect(deck.isThisYourCard(cards[0], cards[0])).toBe(true);
    });
    test('isThisYourCard returns false when the cards are different', function () {
        var deck = new deck_1.default();
        var cards = deck.getCards();
        expect(deck.isThisYourCard(cards[0], cards[1])).toBe(false);
    });
    test('Calling toString on a card returns the string implementation of the card', function () {
        var deck = new deck_1.default();
        var cards = deck.getCards();
        expect(cards[0].toString()).toBe("".concat(cards[0].rank, " of ").concat(cards[0].suit));
    });
});
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