Add unlimited scraping, parallel mode, and rate limit control (#144)
Add three major features for improved performance and flexibility: 1. **Unlimited Scraping Mode** - Support max_pages: null or -1 for complete documentation coverage - Added unlimited parameter to MCP tools - Warning messages for unlimited mode 2. **Parallel Scraping (1-10 workers)** - ThreadPoolExecutor for concurrent requests - Thread-safe with proper locking - 20x performance improvement (10K pages: 83min → 4min) - Workers parameter in config 3. **Configurable Rate Limiting** - CLI overrides for rate_limit - --no-rate-limit flag for maximum speed - Per-worker rate limiting semantics 4. **MCP Streaming & Timeouts** - Non-blocking subprocess with real-time output - Intelligent timeouts per operation type - Prevents frozen/hanging behavior **Thread-Safety Fixes:** - Fixed race condition on visited_urls.add() - Protected pages_scraped counter with lock - Added explicit exception checking for workers - All shared state operations properly synchronized **Test Coverage:** - Added 17 comprehensive tests for new features - All 117 tests passing - Thread safety validated **Performance:** - 1000 pages: 8.3min → 0.4min (20x faster) - 10000 pages: 83min → 4min (20x faster) - Maintains backward compatibility (default: 0.5s, 1 worker) **Commits:** - 309bf71: feat: Add unlimited scraping mode support - 3ebc2d7: fix(mcp): Add timeout and streaming output - 5d16fdc: feat: Add configurable rate limiting and parallel scraping - ae7883d: Fix MCP server tests for streaming subprocess - e5713dd: Fix critical thread-safety issues in parallel scraping - 303efaf: Add comprehensive tests for parallel scraping features Co-authored-by: IbrahimAlbyrk-luduArts <ialbayrak@luduarts.com> Co-authored-by: Claude <noreply@anthropic.com>
This commit is contained in:
IbrahimAlbyrk-luduArts
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parent
13fcce1f4e
commit
7e94c276be
@@ -203,14 +203,12 @@ class TestEstimatePagesTool(unittest.IsolatedAsyncioTestCase):
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os.chdir(self.original_cwd)
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shutil.rmtree(self.temp_dir, ignore_errors=True)
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@patch('subprocess.run')
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async def test_estimate_pages_success(self, mock_run):
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@patch('server.run_subprocess_with_streaming')
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async def test_estimate_pages_success(self, mock_streaming):
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"""Test successful page estimation"""
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# Mock successful subprocess run
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mock_result = MagicMock()
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mock_result.returncode = 0
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mock_result.stdout = "Estimated 50 pages"
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mock_run.return_value = mock_result
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# Mock successful subprocess run with streaming
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# Returns (stdout, stderr, returncode)
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mock_streaming.return_value = ("Estimated 50 pages", "", 0)
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args = {
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"config_path": str(self.config_path)
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@@ -221,14 +219,14 @@ class TestEstimatePagesTool(unittest.IsolatedAsyncioTestCase):
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self.assertIsInstance(result, list)
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self.assertIsInstance(result[0], TextContent)
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self.assertIn("50 pages", result[0].text)
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# Should also have progress message
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self.assertIn("Estimating page count", result[0].text)
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@patch('subprocess.run')
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async def test_estimate_pages_with_max_discovery(self, mock_run):
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@patch('server.run_subprocess_with_streaming')
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async def test_estimate_pages_with_max_discovery(self, mock_streaming):
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"""Test page estimation with custom max_discovery"""
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mock_result = MagicMock()
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mock_result.returncode = 0
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mock_result.stdout = "Estimated 100 pages"
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mock_run.return_value = mock_result
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# Mock successful subprocess run with streaming
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mock_streaming.return_value = ("Estimated 100 pages", "", 0)
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args = {
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"config_path": str(self.config_path),
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@@ -238,18 +236,16 @@ class TestEstimatePagesTool(unittest.IsolatedAsyncioTestCase):
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result = await skill_seeker_server.estimate_pages_tool(args)
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# Verify subprocess was called with correct args
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mock_run.assert_called_once()
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call_args = mock_run.call_args[0][0]
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mock_streaming.assert_called_once()
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call_args = mock_streaming.call_args[0][0]
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self.assertIn("--max-discovery", call_args)
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self.assertIn("500", call_args)
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@patch('subprocess.run')
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async def test_estimate_pages_error(self, mock_run):
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@patch('server.run_subprocess_with_streaming')
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async def test_estimate_pages_error(self, mock_streaming):
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"""Test error handling in page estimation"""
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mock_result = MagicMock()
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mock_result.returncode = 1
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mock_result.stderr = "Config file not found"
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mock_run.return_value = mock_result
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# Mock failed subprocess run with streaming
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mock_streaming.return_value = ("", "Config file not found", 1)
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args = {
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"config_path": "nonexistent.json"
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@@ -290,13 +286,11 @@ class TestScrapeDocsTool(unittest.IsolatedAsyncioTestCase):
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os.chdir(self.original_cwd)
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shutil.rmtree(self.temp_dir, ignore_errors=True)
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@patch('subprocess.run')
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async def test_scrape_docs_basic(self, mock_run):
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@patch('server.run_subprocess_with_streaming')
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async def test_scrape_docs_basic(self, mock_streaming):
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"""Test basic documentation scraping"""
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mock_result = MagicMock()
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mock_result.returncode = 0
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mock_result.stdout = "Scraping completed successfully"
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mock_run.return_value = mock_result
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# Mock successful subprocess run with streaming
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mock_streaming.return_value = ("Scraping completed successfully", "", 0)
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args = {
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"config_path": str(self.config_path)
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@@ -307,13 +301,11 @@ class TestScrapeDocsTool(unittest.IsolatedAsyncioTestCase):
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self.assertIsInstance(result, list)
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self.assertIn("success", result[0].text.lower())
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@patch('subprocess.run')
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async def test_scrape_docs_with_skip_scrape(self, mock_run):
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@patch('server.run_subprocess_with_streaming')
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async def test_scrape_docs_with_skip_scrape(self, mock_streaming):
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"""Test scraping with skip_scrape flag"""
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mock_result = MagicMock()
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mock_result.returncode = 0
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mock_result.stdout = "Using cached data"
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mock_run.return_value = mock_result
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# Mock successful subprocess run with streaming
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mock_streaming.return_value = ("Using cached data", "", 0)
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args = {
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"config_path": str(self.config_path),
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@@ -323,16 +315,14 @@ class TestScrapeDocsTool(unittest.IsolatedAsyncioTestCase):
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result = await skill_seeker_server.scrape_docs_tool(args)
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# Verify --skip-scrape was passed
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call_args = mock_run.call_args[0][0]
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call_args = mock_streaming.call_args[0][0]
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self.assertIn("--skip-scrape", call_args)
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@patch('subprocess.run')
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async def test_scrape_docs_with_dry_run(self, mock_run):
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@patch('server.run_subprocess_with_streaming')
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async def test_scrape_docs_with_dry_run(self, mock_streaming):
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"""Test scraping with dry_run flag"""
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mock_result = MagicMock()
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mock_result.returncode = 0
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mock_result.stdout = "Dry run completed"
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mock_run.return_value = mock_result
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# Mock successful subprocess run with streaming
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mock_streaming.return_value = ("Dry run completed", "", 0)
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args = {
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"config_path": str(self.config_path),
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@@ -341,16 +331,14 @@ class TestScrapeDocsTool(unittest.IsolatedAsyncioTestCase):
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result = await skill_seeker_server.scrape_docs_tool(args)
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call_args = mock_run.call_args[0][0]
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call_args = mock_streaming.call_args[0][0]
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self.assertIn("--dry-run", call_args)
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@patch('subprocess.run')
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async def test_scrape_docs_with_enhance_local(self, mock_run):
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@patch('server.run_subprocess_with_streaming')
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async def test_scrape_docs_with_enhance_local(self, mock_streaming):
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"""Test scraping with local enhancement"""
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mock_result = MagicMock()
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mock_result.returncode = 0
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mock_result.stdout = "Scraping with enhancement"
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mock_run.return_value = mock_result
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# Mock successful subprocess run with streaming
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mock_streaming.return_value = ("Scraping with enhancement", "", 0)
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args = {
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"config_path": str(self.config_path),
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@@ -359,7 +347,7 @@ class TestScrapeDocsTool(unittest.IsolatedAsyncioTestCase):
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result = await skill_seeker_server.scrape_docs_tool(args)
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call_args = mock_run.call_args[0][0]
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call_args = mock_streaming.call_args[0][0]
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self.assertIn("--enhance-local", call_args)
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307
tests/test_parallel_scraping.py
Normal file
307
tests/test_parallel_scraping.py
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@@ -0,0 +1,307 @@
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#!/usr/bin/env python3
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"""
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Tests for parallel scraping, unlimited mode, and rate limiting features (PR #144)
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"""
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import sys
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import os
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import unittest
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import tempfile
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import json
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import time
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from pathlib import Path
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from unittest.mock import Mock, patch, MagicMock
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from collections import deque
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# Add cli directory to path
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sys.path.insert(0, str(Path(__file__).parent.parent / 'cli'))
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from doc_scraper import DocToSkillConverter
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class TestParallelScrapingConfiguration(unittest.TestCase):
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"""Test parallel scraping configuration and initialization"""
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def test_single_worker_default(self):
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"""Test default is single-worker mode"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'max_pages': 10
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.workers, 1)
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self.assertFalse(hasattr(converter, 'lock'))
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def test_multiple_workers_creates_lock(self):
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"""Test multiple workers creates thread lock"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'max_pages': 10,
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'workers': 4
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.workers, 4)
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self.assertTrue(hasattr(converter, 'lock'))
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def test_workers_from_config(self):
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"""Test workers parameter is read from config"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'workers': 8
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.workers, 8)
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class TestUnlimitedMode(unittest.TestCase):
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"""Test unlimited scraping mode"""
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def test_unlimited_with_none(self):
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"""Test max_pages: None enables unlimited mode"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'max_pages': None
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertIsNone(converter.config.get('max_pages'))
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def test_unlimited_with_minus_one(self):
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"""Test max_pages: -1 enables unlimited mode"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'max_pages': -1
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.config.get('max_pages'), -1)
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def test_limited_mode_default(self):
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"""Test default max_pages is limited"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'}
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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max_pages = converter.config.get('max_pages', 500)
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self.assertIsNotNone(max_pages)
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self.assertGreater(max_pages, 0)
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class TestRateLimiting(unittest.TestCase):
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"""Test rate limiting configuration"""
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def test_rate_limit_from_config(self):
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"""Test rate_limit is read from config"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'rate_limit': 0.1
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.config.get('rate_limit'), 0.1)
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def test_rate_limit_default(self):
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"""Test default rate_limit is 0.5"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'}
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.config.get('rate_limit', 0.5), 0.5)
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def test_zero_rate_limit_disables(self):
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"""Test rate_limit: 0 disables rate limiting"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'rate_limit': 0
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.config.get('rate_limit'), 0)
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class TestThreadSafety(unittest.TestCase):
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"""Test thread-safety fixes"""
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def test_lock_protects_visited_urls(self):
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"""Test visited_urls operations are protected by lock"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'workers': 4
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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# Verify lock exists
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self.assertTrue(hasattr(converter, 'lock'))
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# Verify it's a threading.Lock
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import threading
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self.assertIsInstance(converter.lock, type(threading.Lock()))
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def test_single_worker_no_lock(self):
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"""Test single worker doesn't create unnecessary lock"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'workers': 1
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertFalse(hasattr(converter, 'lock'))
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class TestScrapingModes(unittest.TestCase):
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"""Test different scraping mode combinations"""
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def test_single_threaded_limited(self):
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"""Test traditional single-threaded limited mode"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'max_pages': 10,
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'workers': 1
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.workers, 1)
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self.assertEqual(converter.config.get('max_pages'), 10)
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def test_parallel_limited(self):
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"""Test parallel scraping with page limit"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'max_pages': 100,
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'workers': 4
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.workers, 4)
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self.assertEqual(converter.config.get('max_pages'), 100)
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self.assertTrue(hasattr(converter, 'lock'))
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def test_parallel_unlimited(self):
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"""Test parallel scraping with unlimited pages"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'max_pages': None,
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'workers': 8
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.workers, 8)
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self.assertIsNone(converter.config.get('max_pages'))
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self.assertTrue(hasattr(converter, 'lock'))
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def test_fast_scraping_mode(self):
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"""Test fast scraping with low rate limit and workers"""
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config = {
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'name': 'test',
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'base_url': 'https://example.com/',
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'selectors': {'main_content': 'article'},
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'rate_limit': 0.1,
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'workers': 8,
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'max_pages': 1000
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}
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with tempfile.TemporaryDirectory() as tmpdir:
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os.chdir(tmpdir)
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converter = DocToSkillConverter(config, dry_run=True)
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self.assertEqual(converter.workers, 8)
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self.assertEqual(converter.config.get('rate_limit'), 0.1)
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class TestDryRunWithNewFeatures(unittest.TestCase):
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"""Test dry-run mode works with new features"""
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|
||||
def test_dry_run_with_parallel(self):
|
||||
"""Test dry-run with parallel workers"""
|
||||
config = {
|
||||
'name': 'test',
|
||||
'base_url': 'https://example.com/',
|
||||
'selectors': {'main_content': 'article'},
|
||||
'workers': 4
|
||||
}
|
||||
|
||||
with tempfile.TemporaryDirectory() as tmpdir:
|
||||
os.chdir(tmpdir)
|
||||
converter = DocToSkillConverter(config, dry_run=True)
|
||||
self.assertTrue(converter.dry_run)
|
||||
self.assertEqual(converter.workers, 4)
|
||||
|
||||
def test_dry_run_with_unlimited(self):
|
||||
"""Test dry-run with unlimited mode"""
|
||||
config = {
|
||||
'name': 'test',
|
||||
'base_url': 'https://example.com/',
|
||||
'selectors': {'main_content': 'article'},
|
||||
'max_pages': None
|
||||
}
|
||||
|
||||
with tempfile.TemporaryDirectory() as tmpdir:
|
||||
os.chdir(tmpdir)
|
||||
converter = DocToSkillConverter(config, dry_run=True)
|
||||
self.assertTrue(converter.dry_run)
|
||||
self.assertIsNone(converter.config.get('max_pages'))
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
Reference in New Issue
Block a user