import pytest
from datetime import datetime
from src.crawlers.cppconf_crawler import CppConfNextJsParser
from src.crawlers.dto import NewsItemDTO

@pytest.fixture
def cppconf_html():
    with open("tests/fixtures/cppconf/talks.html", "r", encoding="utf-8") as f:
        return f.read()

def test_cppconf_parser(cppconf_html):
    parser = CppConfNextJsParser()
    talks = parser.parse_talks(cppconf_html)
    
    assert len(talks) > 0, "Should extract at least one talk"
    
    first_talk = talks[0]
    assert isinstance(first_talk, NewsItemDTO)
    assert len(first_talk.title) > 0
    assert first_talk.url.startswith("https://cppconf.ru/en/talks/")
    assert len(first_talk.content_text) > 0
    assert first_talk.source == "cppconf"
    assert isinstance(first_talk.timestamp, datetime)