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[rbdr/forum] / src / lib / components / topic / topic.test.ts

/**
 * @jest-environment jsdom
 */

import '@testing-library/jest-dom/extend-expect';

import { addMessages } from 'svelte-i18n';

import { cleanup, render } from '@testing-library/svelte';
import '$lib/i18n';

import Topic from './topic.svelte';

const internals = {
	results: null,
	basicTopic: {
		id: 'b1a4f8d1-4d16-4872-b391-fda6a0e9012d',
		title: 'I sure am a test topic',
		ttl: 160 * 1000,
		updated_at: Date.now(),
		forum: {
			id: 'diversion',
			glyph: '⏃',
			label: 'test_forums.diversion'
		},
		tags: [
			{
				id: 'fish',
				weight: 40
			},
			{
				id: 'statue',
				weight: 5
			}
		],
		posts: [
			{
				id: '413a74db-9473-4bac-8698-da9452c05854',
				text: 'This is the first post',
				created_at: Date.UTC(1999, 7, 1, 8, 8, 2, 111).valueOf(),
				author: {
					handle: 'past_user',
					id: 'c76d3e51-76ac-4e84-a1b2-2eee9abd68b3'
				}
			},
			{
				id: '821ff177-5250-406f-9431-1a8097b35430',
				text: 'This response came later',
				created_at: Date.UTC(2038, 1, 2, 3, 4, 6, 789).valueOf(),
				author: {
					handle: 'future_user',
					id: 'cb9307cb-77e9-4c55-bbe7-dbbf88737358'
				}
			}
		]
	},
	topicWithoutForum: {
		id: '9715e9ee-0d63-4b50-b613-826ef2791728',
		title: 'This topic, no forums',
		ttl: 160 * 1000,
		updated_at: Date.now(),
		tags: [
			{
				id: 'cauliflower',
				weight: 33
			}
		],
		posts: []
	}
};

describe('Topic component', () => {
	beforeAll(() => {
		addMessages('en', {
			'test_forums.diversion': 'Diversion'
		});
	});

	beforeEach(() => {
		internals.results = render(Topic, {
			props: {
				topic: internals.basicTopic
			}
		});
	});

	test('Should show the topic title', () => {
		expect(internals.results.getByText('I sure am a test topic')).toBeVisible();
	});
	test('Should display remaining time in readable format', () => {
		expect(internals.results.getByText(/2 minutes remaining/)).toBeVisible();
	});
	test('Remaining time should be a permalink to the topic', () => {
		expect(internals.results.getByText(/2 minutes remaining/).closest('a')).toHaveAttribute(
			'href',
			'/t/b1a4f8d1-4d16-4872-b391-fda6a0e9012d'
		);
	});

	test('Should show text for all posts', () => {
		expect(internals.results.getByText('This is the first post')).toBeVisible();
		expect(internals.results.getByText('This response came later')).toBeVisible();
	});

	test('Should send index and count to posts', () => {
		expect(internals.results.getByTitle('Post 1 of 2 by past_user')).toBeVisible();
		expect(internals.results.getByTitle('Post 2 of 2 by future_user')).toBeVisible();
	});

	describe('Forum link', () => {
		test('Should show forum if the post has one', () => {
			expect(internals.results.getByText(/^\s*⏃\s*Diversion\s*$/)).toBeVisible();
		});

		test('Forum text should be a permalink to the forum', () => {
			expect(internals.results.getByText(/^\s*⏃\s*Diversion\s*$/).closest('a')).toHaveAttribute(
				'href',
				'/f/diversion'
			);
		});

		test("Should not show forum if the post doesn't have one", () => {
			cleanup();
			internals.results = render(Topic, {
				props: {
					topic: internals.topicWithoutForum
				}
			});

			expect(internals.results.queryByText(/^\s*⏃\s*Diversion\s*$/)).toBe(null);
		});
	});

	describe('Tag listing', () => {
		test('Should show topic tags', () => {
			expect(internals.results.getByText('fish')).toBeVisible();
			expect(internals.results.getByText('fish')).toHaveTextContent('fish(40)');
			expect(internals.results.getByText('statue')).toBeVisible();
			expect(internals.results.getByText('statue')).toHaveTextContent('statue(5)');
		});

		test('Tag text should be a permalink to the tag', () => {
			expect(internals.results.getByText('fish').closest('a')).toHaveAttribute('href', '/g/fish');
			expect(internals.results.getByText('statue').closest('a')).toHaveAttribute(
				'href',
				'/g/statue'
			);
		});
	});
});