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import { describe, expect, it } from '@jest/globals';
import type { SingleComment } from '../../../types';
import { buildCommentsTree } from './build-comments-tree';
describe('build-comments-tree', () => {
it('transforms a flat comments array to a comments tree', () => {
const firstComment = {
content: 'Non non provident mollitia a.',
id: 1,
isApproved: true,
meta: { author: { name: 'Emma_Muller' }, date: '2022-11-02' },
replies: [],
} satisfies SingleComment;
const firstCommentReplies = [
{
content: 'Et omnis voluptatem est atque.',
id: 3,
isApproved: true,
meta: { author: { name: 'Patrick.Goodwin44' }, date: '2022-11-05' },
replies: [],
parentId: 1,
},
] satisfies SingleComment[];
const secondComment = {
content: 'Vero iure architecto modi iusto qui.',
id: 2,
isApproved: true,
meta: { author: { name: 'Dominique13' }, date: '2022-11-04' },
replies: [],
} satisfies SingleComment;
const secondCommentReplies = [
{
content: 'Qui quaerat quas quia praesentium quasi.',
id: 4,
isApproved: true,
meta: { author: { name: 'Patrick.Goodwin44' }, date: '2022-11-05' },
replies: [],
parentId: 2,
},
{
content: 'Ut officia aliquid harum voluptas molestiae quo.',
id: 5,
isApproved: true,
meta: { author: { name: 'Ariel.Braun6' }, date: '2022-11-06' },
replies: [],
parentId: 2,
},
] satisfies SingleComment[];
const comments: SingleComment[] = [
firstComment,
secondComment,
...firstCommentReplies,
...secondCommentReplies,
];
const result = buildCommentsTree(comments);
expect(result).toHaveLength(2);
expect(result[0]).toStrictEqual({
...firstComment,
replies: firstCommentReplies,
});
expect(result[1]).toStrictEqual({
...secondComment,
replies: secondCommentReplies,
});
});
});
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