test: split twitter client tests
This commit is contained in:
Peter Steinberger
@@ -0,0 +1,299 @@
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import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
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import { TwitterClient } from '../src/lib/twitter-client.js';
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import { type TwitterClientPrivate, validCookies } from './twitter-client-fixtures.js';
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const originalFetch = global.fetch;
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afterEach(() => {
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global.fetch = originalFetch;
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vi.restoreAllMocks();
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});
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describe('TwitterClient following/followers', () => {
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let mockFetch: ReturnType<typeof vi.fn>;
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const makeUserResult = (id: string, username: string, name = username) => ({
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__typename: 'User',
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rest_id: id,
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is_blue_verified: true,
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legacy: {
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screen_name: username,
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name,
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description: `bio-${id}`,
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followers_count: 10,
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friends_count: 5,
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profile_image_url_https: `https://example.com/${id}.jpg`,
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created_at: '2024-01-01T00:00:00Z',
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},
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});
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beforeEach(() => {
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mockFetch = vi.fn();
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global.fetch = mockFetch as unknown as typeof fetch;
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});
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it('fetches following users and filters invalid entries', async () => {
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mockFetch.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => ({
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data: {
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user: {
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result: {
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timeline: {
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timeline: {
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instructions: [
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{
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type: 'TimelineAddEntries',
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entries: [
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{
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content: {
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itemContent: {
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user_results: {
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result: makeUserResult('1', 'alpha', 'Alpha'),
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},
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},
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},
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},
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{
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content: {
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itemContent: {
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user_results: {
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result: { __typename: 'User', rest_id: '2' },
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},
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},
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},
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},
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{
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content: {
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itemContent: {
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user_results: {
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result: { __typename: 'TimelineUser' },
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},
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},
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},
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},
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],
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},
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],
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},
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},
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},
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},
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},
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}),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const clientPrivate = client as unknown as TwitterClient & { getFollowingQueryIds: () => Promise<string[]> };
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clientPrivate.getFollowingQueryIds = async () => ['test'];
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const result = await client.getFollowing('123', 2);
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expect(result.success).toBe(true);
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expect(result.users?.length).toBe(1);
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expect(result.users?.[0].username).toBe('alpha');
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expect(result.users?.[0].followersCount).toBe(10);
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expect(result.users?.[0].followingCount).toBe(5);
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expect(result.users?.[0].isBlueVerified).toBe(true);
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expect(result.users?.[0].profileImageUrl).toBe('https://example.com/1.jpg');
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expect(result.users?.[0].createdAt).toBe('2024-01-01T00:00:00Z');
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const [url] = mockFetch.mock.calls[0];
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expect(String(url)).toContain('/Following?');
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});
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it('fetches followers and unwraps visibility results', async () => {
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mockFetch.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => ({
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data: {
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user: {
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result: {
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timeline: {
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timeline: {
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instructions: [
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{
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entries: [
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{
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content: {
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itemContent: {
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user_results: {
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result: {
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__typename: 'UserWithVisibilityResults',
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user: makeUserResult('9', 'vis', 'Visible'),
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},
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},
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},
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},
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},
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],
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},
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],
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},
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},
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},
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},
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},
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}),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const clientPrivate = client as unknown as TwitterClient & { getFollowersQueryIds: () => Promise<string[]> };
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clientPrivate.getFollowersQueryIds = async () => ['test'];
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const result = await client.getFollowers('123', 1);
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expect(result.success).toBe(true);
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expect(result.users?.[0].username).toBe('vis');
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const [url] = mockFetch.mock.calls[0];
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expect(String(url)).toContain('/Followers?');
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});
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it('refreshes query IDs after 404s', async () => {
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mockFetch.mockResolvedValueOnce({ ok: false, status: 404, text: async () => 'nope' }).mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => ({
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data: {
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user: {
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result: {
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timeline: {
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timeline: {
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instructions: [
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{
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entries: [
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{
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content: {
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itemContent: {
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user_results: {
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result: makeUserResult('1', 'alpha', 'Alpha'),
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},
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},
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},
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},
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],
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},
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],
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},
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},
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},
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},
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},
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}),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const clientPrivate = client as unknown as TwitterClient & {
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getFollowingQueryIds: () => Promise<string[]>;
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refreshQueryIds: () => Promise<void>;
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};
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clientPrivate.getFollowingQueryIds = async () => ['test'];
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let refreshed = false;
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clientPrivate.refreshQueryIds = async () => {
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refreshed = true;
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};
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const result = await client.getFollowing('123', 1);
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expect(refreshed).toBe(true);
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expect(result.success).toBe(true);
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expect(mockFetch).toHaveBeenCalledTimes(2);
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});
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});
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describe('TwitterClient likes', () => {
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let mockFetch: ReturnType<typeof vi.fn>;
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beforeEach(() => {
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mockFetch = vi.fn();
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global.fetch = mockFetch as unknown as typeof fetch;
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});
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it('fetches likes and parses tweet results', async () => {
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mockFetch.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => ({
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data: {
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user: {
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result: {
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timeline: {
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timeline: {
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instructions: [
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{
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entries: [
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{
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content: {
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itemContent: {
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tweet_results: {
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result: {
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rest_id: '2',
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legacy: {
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full_text: 'liked',
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created_at: '2024-01-01T00:00:00Z',
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reply_count: 0,
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retweet_count: 0,
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favorite_count: 0,
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conversation_id_str: '2',
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},
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core: {
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user_results: {
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result: {
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rest_id: 'u2',
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legacy: { screen_name: 'root', name: 'Root' },
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},
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},
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},
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},
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},
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},
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},
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},
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],
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},
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],
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},
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},
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},
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},
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},
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}),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const clientPrivate = client as unknown as TwitterClientPrivate;
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clientPrivate.getCurrentUser = async () => ({
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success: true,
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user: { id: '42', username: 'tester', name: 'Tester' },
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});
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clientPrivate.getLikesQueryIds = async () => ['test'];
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const result = await client.getLikes(2);
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expect(result.success).toBe(true);
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expect(result.tweets?.[0].id).toBe('2');
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expect(mockFetch).toHaveBeenCalledTimes(1);
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const [url, options] = mockFetch.mock.calls[0];
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expect(options.method).toBe('GET');
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expect(String(url)).toContain('/Likes?');
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const parsedVars = JSON.parse(new URL(url as string).searchParams.get('variables') as string);
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expect(parsedVars.userId).toBe('42');
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expect(parsedVars.count).toBe(2);
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const parsedFeatures = JSON.parse(new URL(url as string).searchParams.get('features') as string);
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expect(parsedFeatures.graphql_timeline_v2_bookmark_timeline).toBeUndefined();
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});
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it('returns an error when current user is unavailable', async () => {
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const client = new TwitterClient({ cookies: validCookies });
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const clientPrivate = client as unknown as TwitterClientPrivate;
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clientPrivate.getCurrentUser = async () => ({ success: false, error: 'no user' });
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const result = await client.getLikes(1);
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expect(result.success).toBe(false);
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expect(result.error).toBe('no user');
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expect(mockFetch).not.toHaveBeenCalled();
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});
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});
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