jest.mock('../../../src/lib/analytics.js', () => ({
    event: () => {}
}));

jest.mock('../../../src/lib/libraries/decks/index.jsx', () => ({
    noUrlId: {},
    foo: {urlId: 'one'},
    noUrlIdSandwich: {}
}));

import {detectTutorialId} from '../../../src/lib/tutorial-from-url.js';

Object.defineProperty(
    window.location,
    'search',
    {value: '', writable: true}
);

test('returns the tutorial ID if the urlId matches', () => {
    window.location.search = '?tutorial=one';
    expect(detectTutorialId()).toBe('foo');
});

test('returns null if no matching urlId', () => {
    window.location.search = '?tutorial=10';
    expect(detectTutorialId()).toBe(null);
});

test('returns null if empty template', () => {
    window.location.search = '?tutorial=';
    expect(detectTutorialId()).toBe(null);
});

test('returns null if no query param', () => {
    window.location.search = '';
    expect(detectTutorialId()).toBe(null);
});

test('returns null if unrecognized template', () => {
    window.location.search = '?tutorial=asdf';
    expect(detectTutorialId()).toBe(null);
});

test('takes the first of multiple', () => {
    window.location.search = '?tutorial=one&tutorial=two';
    expect(detectTutorialId()).toBe('foo');
});

test('returns all for the tutorial library shortcut', () => {
    window.location.search = '?tutorial=all';
    expect(detectTutorialId()).toBe('all');
});