Files
skill-seekers-reference/tests/test_llms_txt_downloader.py
2026-01-17 17:48:15 +00:00

290 lines
9.9 KiB
Python

from unittest.mock import Mock, patch
import requests
from skill_seekers.cli.llms_txt_downloader import LlmsTxtDownloader
def test_successful_download():
"""Test successful download with valid markdown content"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
mock_response = Mock()
mock_response.text = (
"# Header\n\nSome content with markdown patterns.\n\n## Subheader\n\n- List item\n- Another item\n\n```python\ncode_block()\n```\n"
+ "x" * 200
)
mock_response.raise_for_status = Mock()
with patch("requests.get", return_value=mock_response) as mock_get:
content = downloader.download()
assert content is not None
assert len(content) > 100
assert isinstance(content, str)
assert "# Header" in content
mock_get.assert_called_once()
def test_timeout_with_retry():
"""Test timeout scenario with retry logic"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt", max_retries=2)
with patch("requests.get", side_effect=requests.Timeout("Connection timeout")) as mock_get:
with patch("time.sleep") as mock_sleep: # Mock sleep to speed up test
content = downloader.download()
assert content is None
assert mock_get.call_count == 2 # Should retry once (2 total attempts)
assert mock_sleep.call_count == 1 # Should sleep once between retries
def test_empty_content_rejection():
"""Test rejection of content shorter than 100 chars"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
mock_response = Mock()
mock_response.text = "# Short"
mock_response.raise_for_status = Mock()
with patch("requests.get", return_value=mock_response):
content = downloader.download()
assert content is None
def test_non_markdown_rejection():
"""Test rejection of content that doesn't look like markdown"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
mock_response = Mock()
mock_response.text = "Plain text without any markdown patterns at all. " * 10
mock_response.raise_for_status = Mock()
with patch("requests.get", return_value=mock_response):
content = downloader.download()
assert content is None
def test_http_error_handling():
"""Test handling of HTTP errors (404, 500, etc.)"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt", max_retries=2)
mock_response = Mock()
mock_response.raise_for_status.side_effect = requests.HTTPError("404 Not Found")
with patch("requests.get", return_value=mock_response) as mock_get, patch("time.sleep"):
content = downloader.download()
assert content is None
assert mock_get.call_count == 2 # Should retry once
def test_exponential_backoff():
"""Test that exponential backoff delays are correct"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt", max_retries=3)
with patch("requests.get", side_effect=requests.Timeout("Connection timeout")):
with patch("time.sleep") as mock_sleep:
content = downloader.download()
assert content is None
# Should sleep with delays: 1s, 2s (2^0, 2^1)
assert mock_sleep.call_count == 2
mock_sleep.assert_any_call(1) # First retry delay
mock_sleep.assert_any_call(2) # Second retry delay
def test_markdown_validation():
"""Test markdown pattern detection"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
# Test various markdown patterns
assert downloader._is_markdown("# Header")
assert downloader._is_markdown("## Subheader")
assert downloader._is_markdown("```code```")
assert downloader._is_markdown("- list item")
assert downloader._is_markdown("* bullet point")
assert downloader._is_markdown("`inline code`")
# Test non-markdown content
assert not downloader._is_markdown("Plain text without any markdown patterns")
def test_custom_timeout():
"""Test custom timeout parameter"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt", timeout=10)
mock_response = Mock()
mock_response.text = "# Header\n\nContent " * 50
mock_response.raise_for_status = Mock()
with patch("requests.get", return_value=mock_response) as mock_get:
content = downloader.download()
assert content is not None
# Verify timeout was passed to requests.get
call_kwargs = mock_get.call_args[1]
assert call_kwargs["timeout"] == 10
def test_custom_max_retries():
"""Test custom max_retries parameter"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt", max_retries=5)
with (
patch("requests.get", side_effect=requests.Timeout("Connection timeout")) as mock_get,
patch("time.sleep"),
):
content = downloader.download()
assert content is None
assert mock_get.call_count == 5 # Should attempt 5 times
def test_user_agent_header():
"""Test that custom user agent is set"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
mock_response = Mock()
mock_response.text = "# Header\n\nContent " * 50
mock_response.raise_for_status = Mock()
with patch("requests.get", return_value=mock_response) as mock_get:
content = downloader.download()
assert content is not None
# Verify custom user agent was passed
call_kwargs = mock_get.call_args[1]
assert call_kwargs["headers"]["User-Agent"] == "Skill-Seekers-llms.txt-Reader/1.0"
def test_get_proper_filename():
"""Test filename conversion from .txt to .md"""
downloader = LlmsTxtDownloader("https://hono.dev/llms-full.txt")
filename = downloader.get_proper_filename()
assert filename == "llms-full.md"
assert not filename.endswith(".txt")
def test_get_proper_filename_standard():
"""Test standard variant naming"""
downloader = LlmsTxtDownloader("https://hono.dev/llms.txt")
filename = downloader.get_proper_filename()
assert filename == "llms.md"
def test_get_proper_filename_small():
"""Test small variant naming"""
downloader = LlmsTxtDownloader("https://hono.dev/llms-small.txt")
filename = downloader.get_proper_filename()
assert filename == "llms-small.md"
def test_is_markdown_rejects_html_doctype():
"""Test that HTML with DOCTYPE is rejected (prevents redirect trap)"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
html = (
"<!DOCTYPE html><html><head><title>Product Page</title></head><body>Content</body></html>"
)
assert not downloader._is_markdown(html)
# Test case-insensitive
html_uppercase = "<!DOCTYPE HTML><HTML><BODY>Content</BODY></HTML>"
assert not downloader._is_markdown(html_uppercase)
def test_is_markdown_rejects_html_tag():
"""Test that HTML with <html> tag is rejected (prevents redirect trap)"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
html = '<html><head><meta charset="utf-8"></head><body>Content</body></html>'
assert not downloader._is_markdown(html)
# Test with just opening tag
html_partial = "<html><head>Some content"
assert not downloader._is_markdown(html_partial)
def test_is_markdown_rejects_html_meta():
"""Test that HTML with <meta> or <head> tags is rejected"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
html_with_head = "<head><title>Page</title></head><body>Content</body>"
assert not downloader._is_markdown(html_with_head)
html_with_meta = '<meta charset="utf-8"><meta name="viewport" content="width=device-width">'
assert not downloader._is_markdown(html_with_meta)
def test_is_markdown_accepts_markdown_with_html_words():
"""Test that markdown mentioning 'html' word is still accepted"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
markdown = "# Guide\n\nLearn about html tags in markdown. You can write HTML inside markdown."
assert downloader._is_markdown(markdown)
# Test with actual markdown patterns
markdown_with_code = "# HTML Tutorial\n\n```html\n<div>example</div>\n```\n\n## More content"
assert downloader._is_markdown(markdown_with_code)
def test_html_detection_only_scans_first_500_chars():
"""Test that HTML detection only scans first 500 characters for performance"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
# HTML tag after 500 chars should not be detected
safe_markdown = "# Header\n\n" + ("Valid markdown content. " * 50) + "\n\n<!DOCTYPE html>"
# This should pass because <!DOCTYPE html> is beyond first 500 chars
if len(safe_markdown[:500]) < len("<!DOCTYPE html>"):
# If the HTML is within 500 chars, adjust test
assert not downloader._is_markdown(safe_markdown)
else:
# HTML beyond 500 chars should not trigger rejection
assert downloader._is_markdown(safe_markdown)
def test_html_redirect_trap_scenario():
"""Test real-world scenario: llms.txt redirects to HTML product page"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
# Simulate Claude Code redirect scenario (302 to HTML page)
html_product_page = """<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Claude Code - Product Page</title>
</head>
<body>
<h1>Claude Code</h1>
<p>Product information...</p>
</body>
</html>"""
# Should reject this HTML even though it has <h1> tag (looks like markdown "# ")
assert not downloader._is_markdown(html_product_page)
def test_download_rejects_html_redirect():
"""Test that download() properly rejects HTML redirects"""
downloader = LlmsTxtDownloader("https://example.com/llms.txt")
mock_response = Mock()
# Simulate server returning HTML instead of markdown
mock_response.text = "<!DOCTYPE html><html><body><h1>Product Page</h1></body></html>"
mock_response.raise_for_status = Mock()
with patch("requests.get", return_value=mock_response):
content = downloader.download()
# Should return None (rejected as non-markdown)
assert content is None