feat(ci): pytest

tests/scrapers/test_codeforces.py

@@ -0,0 +1,54 @@
+import json
+from unittest.mock import Mock
+import pytest
+from scrapers.codeforces import scrape, scrape_contest_problems
+
+
+def test_scrape_success(mocker, mock_codeforces_html):
+    mock_scraper = Mock()
+    mock_response = Mock()
+    mock_response.text = mock_codeforces_html
+    mock_scraper.get.return_value = mock_response
+
+    mocker.patch(
+        "scrapers.codeforces.cloudscraper.create_scraper", return_value=mock_scraper
+    )
+
+    result = scrape("https://codeforces.com/contest/1900/problem/A")
+
+    assert len(result) == 1
+    assert result[0][0] == "1\n3\n1 2 3"
+    assert result[0][1] == "6"
+
+
+def test_scrape_contest_problems(mocker):
+    mock_scraper = Mock()
+    mock_response = Mock()
+    mock_response.text = """
+    <a href="/contest/1900/problem/A">A. Problem A</a>
+    <a href="/contest/1900/problem/B">B. Problem B</a>
+    """
+    mock_scraper.get.return_value = mock_response
+
+    mocker.patch(
+        "scrapers.codeforces.cloudscraper.create_scraper", return_value=mock_scraper
+    )
+
+    result = scrape_contest_problems("1900")
+
+    assert len(result) == 2
+    assert result[0] == {"id": "a", "name": "A. Problem A"}
+    assert result[1] == {"id": "b", "name": "B. Problem B"}
+
+
+def test_scrape_network_error(mocker):
+    mock_scraper = Mock()
+    mock_scraper.get.side_effect = Exception("Network error")
+
+    mocker.patch(
+        "scrapers.codeforces.cloudscraper.create_scraper", return_value=mock_scraper
+    )
+
+    result = scrape("https://codeforces.com/contest/1900/problem/A")
+
+    assert result == []