523 lines
15 KiB
TypeScript
523 lines
15 KiB
TypeScript
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 { 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 getUserIdByUsername', () => {
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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('resolves username to userId via GraphQL', 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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__typename: 'User',
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rest_id: '12345',
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legacy: {
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screen_name: 'testuser',
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name: 'Test User',
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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 result = await client.getUserIdByUsername('@testuser');
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expect(result.success).toBe(true);
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expect(result.userId).toBe('12345');
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expect(result.username).toBe('testuser');
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expect(result.name).toBe('Test User');
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});
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it('handles username without @ prefix', 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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__typename: 'User',
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rest_id: '67890',
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legacy: {
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screen_name: 'anotheruser',
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name: 'Another User',
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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 result = await client.getUserIdByUsername('anotheruser');
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expect(result.success).toBe(true);
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expect(result.userId).toBe('67890');
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});
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it('returns error for invalid username format', async () => {
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserIdByUsername('invalid handle with spaces');
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expect(result.success).toBe(false);
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expect(result.error).toContain('Invalid username');
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expect(mockFetch).not.toHaveBeenCalled();
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});
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it('returns error for empty username', async () => {
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserIdByUsername('');
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expect(result.success).toBe(false);
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expect(result.error).toContain('Invalid username');
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expect(mockFetch).not.toHaveBeenCalled();
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});
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it('returns error for username exceeding 15 characters', async () => {
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserIdByUsername('thisusernameiswaytoolong');
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expect(result.success).toBe(false);
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expect(result.error).toContain('Invalid username');
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expect(mockFetch).not.toHaveBeenCalled();
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});
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it('returns error when user is unavailable', 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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__typename: 'UserUnavailable',
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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 result = await client.getUserIdByUsername('suspended');
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expect(result.success).toBe(false);
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expect(result.error).toContain('not found or unavailable');
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});
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it('retries with fallback query IDs on 404', async () => {
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mockFetch
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.mockResolvedValueOnce({
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ok: false,
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status: 404,
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text: async () => 'Not found',
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})
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.mockResolvedValueOnce({
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ok: false,
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status: 404,
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text: async () => 'Not found',
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})
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.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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__typename: 'User',
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rest_id: '99999',
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legacy: {
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screen_name: 'founduser',
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name: 'Found User',
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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 result = await client.getUserIdByUsername('founduser');
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expect(result.success).toBe(true);
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expect(result.userId).toBe('99999');
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expect(mockFetch).toHaveBeenCalledTimes(3);
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});
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});
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describe('TwitterClient getUserTweets', () => {
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let mockFetch: ReturnType<typeof vi.fn>;
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const makeTweetResult = (id: string, text: string, username = 'testuser') => ({
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rest_id: id,
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legacy: {
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full_text: text,
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created_at: '2024-01-01T00:00:00Z',
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reply_count: 1,
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retweet_count: 2,
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favorite_count: 3,
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conversation_id_str: id,
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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: '12345',
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legacy: {
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screen_name: username,
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name: 'Test User',
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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 makeTimelineResponse = (tweets: ReturnType<typeof makeTweetResult>[], cursor?: string) => ({
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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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...tweets.map((t) => ({
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entryId: `tweet-${t.rest_id}`,
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content: {
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entryType: 'TimelineTimelineItem',
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itemContent: {
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tweet_results: {
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result: t,
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},
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},
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},
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})),
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...(cursor
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? [
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{
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entryId: 'cursor-bottom-123',
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content: {
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entryType: 'TimelineTimelineCursor',
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cursorType: 'Bottom',
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value: cursor,
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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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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 and parses user tweets', 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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makeTimelineResponse([makeTweetResult('1', 'First tweet'), makeTweetResult('2', 'Second tweet')]),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweets('12345', 10);
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expect(result.success).toBe(true);
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expect(result.tweets?.length).toBe(2);
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expect(result.tweets?.[0].id).toBe('1');
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expect(result.tweets?.[0].text).toBe('First tweet');
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expect(result.tweets?.[1].id).toBe('2');
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expect(result.tweets?.[1].text).toBe('Second tweet');
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});
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it('respects count parameter', 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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makeTimelineResponse([
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makeTweetResult('1', 'First'),
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makeTweetResult('2', 'Second'),
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makeTweetResult('3', 'Third'),
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]),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweets('12345', 2);
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expect(result.success).toBe(true);
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expect(result.tweets?.length).toBe(2);
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});
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it('returns empty array for user with no tweets', 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 () => makeTimelineResponse([]),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweets('12345', 10);
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expect(result.success).toBe(true);
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expect(result.tweets).toEqual([]);
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});
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it('extracts cursor for pagination', 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 () => makeTimelineResponse([makeTweetResult('1', 'Tweet')], 'next-cursor-abc'),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweetsPaged('12345', 20, { maxPages: 1 });
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expect(result.success).toBe(true);
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expect(result.nextCursor).toBe('next-cursor-abc');
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});
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it('handles API errors gracefully', async () => {
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mockFetch.mockResolvedValueOnce({
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ok: false,
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status: 500,
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text: async () => 'Internal Server Error',
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweets('12345', 10);
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expect(result.success).toBe(false);
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expect(result.error).toContain('HTTP 500');
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});
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});
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describe('TwitterClient getUserTweetsPaged', () => {
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let mockFetch: ReturnType<typeof vi.fn>;
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const makeTweetResult = (id: string, text: string) => ({
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rest_id: id,
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legacy: {
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full_text: text,
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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: id,
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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: '12345',
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legacy: {
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screen_name: 'testuser',
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name: 'Test User',
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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 makeTimelineResponse = (tweets: ReturnType<typeof makeTweetResult>[], cursor?: string) => ({
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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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...tweets.map((t) => ({
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entryId: `tweet-${t.rest_id}`,
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content: {
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entryType: 'TimelineTimelineItem',
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itemContent: {
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tweet_results: {
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result: t,
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},
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},
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},
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})),
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...(cursor
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? [
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{
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entryId: 'cursor-bottom-123',
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content: {
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entryType: 'TimelineTimelineCursor',
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cursorType: 'Bottom',
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value: cursor,
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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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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 multiple pages with cursor', async () => {
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mockFetch
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.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => makeTimelineResponse([makeTweetResult('1', 'Page 1 Tweet')], 'cursor-page-2'),
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})
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.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => makeTimelineResponse([makeTweetResult('2', 'Page 2 Tweet')], 'cursor-page-3'),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweetsPaged('12345', 40, {
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maxPages: 2,
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pageDelayMs: 0, // No delay for tests
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});
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expect(result.success).toBe(true);
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expect(result.tweets?.length).toBe(2);
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expect(result.tweets?.[0].id).toBe('1');
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expect(result.tweets?.[1].id).toBe('2');
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expect(result.nextCursor).toBe('cursor-page-3');
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expect(mockFetch).toHaveBeenCalledTimes(2);
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});
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it('respects maxPages limit', async () => {
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mockFetch
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.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => makeTimelineResponse([makeTweetResult('1', 'Tweet 1')], 'cursor-2'),
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})
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.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => makeTimelineResponse([makeTweetResult('2', 'Tweet 2')], 'cursor-3'),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweetsPaged('12345', 40, {
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maxPages: 2,
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pageDelayMs: 0,
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});
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expect(result.success).toBe(true);
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expect(mockFetch).toHaveBeenCalledTimes(2);
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expect(result.nextCursor).toBe('cursor-3'); // Has more but stopped at maxPages
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});
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it('stops when no more cursor is returned', async () => {
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mockFetch
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.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => makeTimelineResponse([makeTweetResult('1', 'Tweet 1')], 'cursor-2'),
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})
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.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => makeTimelineResponse([makeTweetResult('2', 'Tweet 2')]), // No cursor = end
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweetsPaged('12345', 100, {
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maxPages: 5,
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pageDelayMs: 0,
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});
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expect(result.success).toBe(true);
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expect(result.tweets?.length).toBe(2);
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expect(result.nextCursor).toBeUndefined();
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expect(mockFetch).toHaveBeenCalledTimes(2);
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});
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it('deduplicates tweets across pages', async () => {
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mockFetch
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.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () => makeTimelineResponse([makeTweetResult('1', 'Tweet 1')], 'cursor-2'),
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})
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.mockResolvedValueOnce({
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ok: true,
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status: 200,
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json: async () =>
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makeTimelineResponse([
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makeTweetResult('1', 'Tweet 1'), // Duplicate
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makeTweetResult('2', 'Tweet 2'),
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]),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweetsPaged('12345', 40, {
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maxPages: 2,
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pageDelayMs: 0,
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});
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expect(result.success).toBe(true);
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expect(result.tweets?.length).toBe(2); // Not 3
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expect(result.tweets?.map((t) => t.id)).toEqual(['1', '2']);
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});
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it('resumes from provided cursor', 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 () => makeTimelineResponse([makeTweetResult('5', 'Resumed Tweet')]),
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});
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const client = new TwitterClient({ cookies: validCookies });
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const result = await client.getUserTweetsPaged('12345', 20, {
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maxPages: 1,
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cursor: 'resume-cursor-xyz',
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pageDelayMs: 0,
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});
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expect(result.success).toBe(true);
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expect(result.tweets?.[0].id).toBe('5');
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// Verify cursor was passed in the request
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const [url] = mockFetch.mock.calls[0];
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expect(url).toContain('resume-cursor-xyz');
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});
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});
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