fix scrapers

This commit is contained in:
Barrett Ruth 2025-10-03 19:19:02 -04:00
parent 34ef7bafd6
commit 4498c4a7fa
11 changed files with 294 additions and 1701 deletions

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import pytest
@pytest.fixture
def mock_codeforces_html():
return """
<div class="time-limit">Time limit: 1 seconds</div>
<div class="memory-limit">Memory limit: 256 megabytes</div>
<div class="input">
<pre>
<div class="test-example-line-1">3</div>
<div class="test-example-line-1">1 2 3</div>
</pre>
</div>
<div class="output">
<pre>
<div class="test-example-line-1">6</div>
</pre>
</div>
"""
@pytest.fixture
def mock_atcoder_html():
return """
<h3>Sample Input 1</h3>
<pre>3
1 2 3</pre>
<h3>Sample Output 1</h3>
<pre>6</pre>
"""
@pytest.fixture
def mock_cses_html():
return """
<h1>Example</h1>
<p>Input:</p>
<pre>3
1 2 3</pre>
<p>Output:</p>
<pre>6</pre>
"""

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tests/scrapers/filler.py Normal file
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def test():
assert 5 == 5

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from unittest.mock import Mock
from scrapers.atcoder import scrape, scrape_contest_problems, scrape_contests
from scrapers.models import ContestSummary, ProblemSummary
def test_scrape_success(mocker, mock_atcoder_html):
mock_response = Mock()
mock_response.text = mock_atcoder_html
mocker.patch("scrapers.atcoder.requests.get", return_value=mock_response)
result = scrape("https://atcoder.jp/contests/abc350/tasks/abc350_a")
assert len(result) == 1
assert result[0].input == "3\n1 2 3"
assert result[0].expected == "6"
def test_scrape_contest_problems(mocker):
mock_response = Mock()
mock_response.text = """
<table class="table">
<tr><th>Task</th><th>Name</th></tr>
<tr>
<td></td>
<td><a href="/contests/abc350/tasks/abc350_a">A - Water Tank</a></td>
</tr>
<tr>
<td></td>
<td><a href="/contests/abc350/tasks/abc350_b">B - Dentist Aoki</a></td>
</tr>
</table>
"""
mocker.patch("scrapers.atcoder.requests.get", return_value=mock_response)
result = scrape_contest_problems("abc350")
assert len(result) == 2
assert result[0] == ProblemSummary(id="a", name="A - Water Tank")
assert result[1] == ProblemSummary(id="b", name="B - Dentist Aoki")
def test_scrape_network_error(mocker):
mocker.patch(
"scrapers.atcoder.requests.get", side_effect=Exception("Network error")
)
result = scrape("https://atcoder.jp/contests/abc350/tasks/abc350_a")
assert result == []
def test_scrape_contests_success(mocker):
def mock_get_side_effect(url, **kwargs):
if url == "https://atcoder.jp/contests/archive":
mock_response = Mock()
mock_response.raise_for_status.return_value = None
mock_response.text = """
<html>
<ul class="pagination">
<li>1</li>
</ul>
</html>
"""
return mock_response
elif "page=1" in url:
mock_response = Mock()
mock_response.raise_for_status.return_value = None
mock_response.text = """
<table class="table">
<tbody>
<tr>
<td>2025-01-15 21:00:00+0900</td>
<td><a href="/contests/abc350">AtCoder Beginner Contest 350</a></td>
<td>01:40</td>
<td> - 1999</td>
</tr>
<tr>
<td>2025-01-14 21:00:00+0900</td>
<td><a href="/contests/arc170">AtCoder Regular Contest 170</a></td>
<td>02:00</td>
<td>1000 - 2799</td>
</tr>
</tbody>
</table>
"""
return mock_response
else:
mock_response = Mock()
mock_response.raise_for_status.return_value = None
mock_response.text = "<html></html>"
return mock_response
mocker.patch("scrapers.atcoder.requests.get", side_effect=mock_get_side_effect)
result = scrape_contests()
assert len(result) == 2
assert result[0] == ContestSummary(
id="abc350",
name="AtCoder Beginner Contest 350",
display_name="AtCoder Beginner Contest 350",
)
assert result[1] == ContestSummary(
id="arc170",
name="AtCoder Regular Contest 170",
display_name="AtCoder Regular Contest 170",
)
def test_scrape_contests_no_table(mocker):
mock_response = Mock()
mock_response.text = "<html><body>No table found</body></html>"
mocker.patch("scrapers.atcoder.requests.get", return_value=mock_response)
result = scrape_contests()
assert result == []
def test_scrape_contests_network_error(mocker):
mocker.patch(
"scrapers.atcoder.requests.get", side_effect=Exception("Network error")
)
result = scrape_contests()
assert result == []
def test_scrape_contests_filters_ahc(mocker):
def mock_get_side_effect(url, **kwargs):
if url == "https://atcoder.jp/contests/archive":
mock_response = Mock()
mock_response.raise_for_status.return_value = None
mock_response.text = """
<html>
<ul class="pagination">
<li>1</li>
</ul>
</html>
"""
return mock_response
elif "page=1" in url:
mock_response = Mock()
mock_response.raise_for_status.return_value = None
mock_response.text = """
<table class="table">
<tbody>
<tr>
<td>2025-01-15 21:00:00+0900</td>
<td><a href="/contests/abc350">AtCoder Beginner Contest 350</a></td>
<td>01:40</td>
<td> - 1999</td>
</tr>
<tr>
<td>2025-01-14 21:00:00+0900</td>
<td><a href="/contests/ahc044">AtCoder Heuristic Contest 044</a></td>
<td>05:00</td>
<td>-</td>
</tr>
<tr>
<td>2025-01-13 21:00:00+0900</td>
<td><a href="/contests/arc170">AtCoder Regular Contest 170</a></td>
<td>02:00</td>
<td>1000 - 2799</td>
</tr>
</tbody>
</table>
"""
return mock_response
else:
mock_response = Mock()
mock_response.raise_for_status.return_value = None
mock_response.text = "<html></html>"
return mock_response
mocker.patch("scrapers.atcoder.requests.get", side_effect=mock_get_side_effect)
result = scrape_contests()
assert len(result) == 2
assert result[0] == ContestSummary(
id="abc350",
name="AtCoder Beginner Contest 350",
display_name="AtCoder Beginner Contest 350",
)
assert result[1] == ContestSummary(
id="arc170",
name="AtCoder Regular Contest 170",
display_name="AtCoder Regular Contest 170",
)
# Ensure ahc044 is filtered out
contest_ids = [contest.id for contest in result]
assert "ahc044" not in contest_ids

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from unittest.mock import Mock
from scrapers.codeforces import CodeforcesScraper
from scrapers.models import ContestSummary, ProblemSummary
def test_scrape_success(mocker, mock_codeforces_html):
mock_page = Mock()
mock_page.html_content = mock_codeforces_html
mocker.patch("scrapers.codeforces.StealthyFetcher.fetch", return_value=mock_page)
scraper = CodeforcesScraper()
result = scraper.scrape_problem_tests("1900", "A")
assert result.success
assert len(result.tests) == 1
assert result.tests[0].input == "1\n3\n1 2 3"
assert result.tests[0].expected == "6"
def test_scrape_contest_problems(mocker):
html = """
<a href="/contest/1900/problem/A">A. Problem A</a>
<a href="/contest/1900/problem/B">B. Problem B</a>
"""
mock_page = Mock()
mock_page.html_content = html
mocker.patch("scrapers.codeforces.StealthyFetcher.fetch", return_value=mock_page)
scraper = CodeforcesScraper()
result = scraper.scrape_contest_metadata("1900")
assert result.success
assert len(result.problems) == 2
assert result.problems[0] == ProblemSummary(id="a", name="A. Problem A")
assert result.problems[1] == ProblemSummary(id="b", name="B. Problem B")
def test_scrape_network_error(mocker):
mocker.patch(
"scrapers.codeforces.StealthyFetcher.fetch",
side_effect=Exception("Network error"),
)
scraper = CodeforcesScraper()
result = scraper.scrape_problem_tests("1900", "A")
assert not result.success
assert "network error" in result.error.lower()
def test_scrape_contests_success(mocker):
mock_response = Mock()
mock_response.json.return_value = {
"status": "OK",
"result": [
{"id": 1951, "name": "Educational Codeforces Round 168 (Rated for Div. 2)"},
{"id": 1950, "name": "Codeforces Round 936 (Div. 2)"},
{"id": 1949, "name": "Codeforces Global Round 26"},
],
}
mocker.patch("scrapers.codeforces.requests.get", return_value=mock_response)
scraper = CodeforcesScraper()
result = scraper.scrape_contest_list()
assert result.success
assert len(result.contests) == 3
assert result.contests[0] == ContestSummary(
id="1951",
name="Educational Codeforces Round 168 (Rated for Div. 2)",
display_name="Educational Codeforces Round 168 (Rated for Div. 2)",
)
def test_scrape_contests_api_error(mocker):
mock_response = Mock()
mock_response.json.return_value = {"status": "FAILED", "result": []}
mocker.patch("scrapers.codeforces.requests.get", return_value=mock_response)
scraper = CodeforcesScraper()
result = scraper.scrape_contest_list()
assert not result.success
assert "no contests found" in result.error.lower()
def test_scrape_contests_network_error(mocker):
mocker.patch(
"scrapers.codeforces.requests.get", side_effect=Exception("Network error")
)
scraper = CodeforcesScraper()
result = scraper.scrape_contest_list()
assert not result.success
assert "network error" in result.error.lower()

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from unittest.mock import Mock
from scrapers.cses import (
normalize_category_name,
scrape,
scrape_all_problems,
scrape_categories,
scrape_category_problems,
snake_to_title,
)
from scrapers.models import ContestSummary, ProblemSummary
def test_scrape_success(mocker, mock_cses_html):
mock_response = Mock()
mock_response.text = mock_cses_html
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
result = scrape("https://cses.fi/problemset/task/1068")
assert len(result) == 1
assert result[0].input == "3\n1 2 3"
assert result[0].expected == "6"
def test_scrape_all_problems(mocker):
mock_response = Mock()
mock_response.text = """
<div class="content">
<h1>Introductory Problems</h1>
<ul>
<li><a href="/problemset/task/1068">Weird Algorithm</a></li>
<li><a href="/problemset/task/1083">Missing Number</a></li>
</ul>
<h1>Sorting and Searching</h1>
<ul>
<li><a href="/problemset/task/1084">Apartments</a></li>
</ul>
</div>
"""
mock_response.raise_for_status = Mock()
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
result = scrape_all_problems()
assert "Introductory Problems" in result
assert "Sorting and Searching" in result
assert len(result["Introductory Problems"]) == 2
assert result["Introductory Problems"][0] == ProblemSummary(
id="1068",
name="Weird Algorithm",
)
def test_scrape_network_error(mocker):
mocker.patch("scrapers.cses.requests.get", side_effect=Exception("Network error"))
result = scrape("https://cses.fi/problemset/task/1068")
assert result == []
def test_normalize_category_name():
assert normalize_category_name("Sorting and Searching") == "sorting_and_searching"
assert normalize_category_name("Dynamic Programming") == "dynamic_programming"
assert normalize_category_name("Graph Algorithms") == "graph_algorithms"
def test_snake_to_title():
assert snake_to_title("sorting_and_searching") == "Sorting and Searching"
assert snake_to_title("dynamic_programming") == "Dynamic Programming"
assert snake_to_title("graph_algorithms") == "Graph Algorithms"
def test_scrape_category_problems_success(mocker):
mock_response = Mock()
mock_response.text = """
<div class="content">
<h1>General</h1>
<ul>
<li><a href="/problemset/task/1000">Test Problem</a></li>
</ul>
<h1>Sorting and Searching</h1>
<ul>
<li><a href="/problemset/task/1640">Sum of Two Values</a></li>
<li><a href="/problemset/task/1643">Maximum Subarray Sum</a></li>
</ul>
<h1>Dynamic Programming</h1>
<ul>
<li><a href="/problemset/task/1633">Dice Combinations</a></li>
</ul>
</div>
"""
mock_response.raise_for_status = Mock()
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
result = scrape_category_problems("sorting_and_searching")
assert len(result) == 2
assert result[0].id == "1640"
assert result[0].name == "Sum of Two Values"
assert result[1].id == "1643"
assert result[1].name == "Maximum Subarray Sum"
def test_scrape_category_problems_not_found(mocker):
mock_response = Mock()
mock_response.text = """
<div class="content">
<h1>Some Other Category</h1>
<ul>
<li><a href="/problemset/task/1000">Test Problem</a></li>
</ul>
</div>
"""
mock_response.raise_for_status = Mock()
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
result = scrape_category_problems("nonexistent_category")
assert result == []
def test_scrape_category_problems_network_error(mocker):
mocker.patch("scrapers.cses.requests.get", side_effect=Exception("Network error"))
result = scrape_category_problems("sorting_and_searching")
assert result == []
def test_scrape_categories_success(mocker):
mock_response = Mock()
mock_response.text = """
<html>
<body>
<h2>General</h2>
<ul class="task-list">
<li class="link"><a href="/register">Register</a></li>
</ul>
<h2>Introductory Problems</h2>
<ul class="task-list">
<li class="task"><a href="/problemset/task/1068">Weird Algorithm</a></li>
<li class="task"><a href="/problemset/task/1083">Missing Number</a></li>
</ul>
<h2>Sorting and Searching</h2>
<ul class="task-list">
<li class="task"><a href="/problemset/task/1621">Distinct Numbers</a></li>
<li class="task"><a href="/problemset/task/1084">Apartments</a></li>
<li class="task"><a href="/problemset/task/1090">Ferris Wheel</a></li>
</ul>
</body>
</html>
"""
mock_response.raise_for_status = Mock()
mocker.patch("scrapers.cses.requests.get", return_value=mock_response)
result = scrape_categories()
assert len(result) == 2
assert result[0] == ContestSummary(
id="introductory_problems",
name="Introductory Problems",
display_name="Introductory Problems",
)
assert result[1] == ContestSummary(
id="sorting_and_searching",
name="Sorting and Searching",
display_name="Sorting and Searching",
)
def test_scrape_categories_network_error(mocker):
mocker.patch("scrapers.cses.requests.get", side_effect=Exception("Network error"))
result = scrape_categories()
assert result == []