7634f9fc32
- Comprehensive test suite (700+ lines) for JS execution in high-level API - Test coverage analysis and validation infrastructure - Enhancement proposal and implementation strategy - Mock HTTP server with realistic JavaScript scenarios - Parallel implementation strategy using expert agents and git worktrees Ready for test-driven implementation of JavaScript enhancements.
443 lines
16 KiB
Python
443 lines
16 KiB
Python
#!/usr/bin/env python3
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"""Simple validation of JavaScript API enhancement concepts without external dependencies."""
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import json
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import asyncio
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from typing import Optional, List, Union, Dict, Any
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def test_api_signatures():
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"""Test that our proposed API signatures are well-designed."""
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print("🧪 Testing Enhanced API Signatures...")
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# Mock the enhanced get() function
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def enhanced_get(url: str, *,
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wait_for: Optional[str] = None,
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script: Optional[str] = None,
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script_before: Optional[str] = None,
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script_after: Optional[str] = None,
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timeout: int = 30,
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clean: bool = True,
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extract_links: bool = True,
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extract_metadata: bool = True) -> Dict[str, Any]:
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"""Enhanced get function with JavaScript execution."""
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return {
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"url": url,
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"javascript": {
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"script": script,
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"script_before": script_before,
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"script_after": script_after,
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"wait_for": wait_for
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},
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"extraction": {
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"clean": clean,
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"extract_links": extract_links,
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"extract_metadata": extract_metadata
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},
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"timeout": timeout
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}
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# Test basic usage (should work exactly like current API)
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basic = enhanced_get("https://example.com")
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assert basic["url"] == "https://example.com"
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assert basic["javascript"]["script"] is None
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print("✅ Backward compatibility maintained")
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# Test JavaScript execution
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js_extract = enhanced_get(
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"https://shop.com/product",
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script="document.querySelector('.price').innerText",
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wait_for=".price-loaded"
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)
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assert js_extract["javascript"]["script"] is not None
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assert js_extract["javascript"]["wait_for"] == ".price-loaded"
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print("✅ JavaScript extraction parameters work")
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# Test complex script scenarios
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complex = enhanced_get(
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"https://spa-app.com",
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script_before="window.scrollTo(0, document.body.scrollHeight)",
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script_after="return {items: document.querySelectorAll('.item').length}",
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timeout=45
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)
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assert complex["javascript"]["script_before"] is not None
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assert complex["javascript"]["script_after"] is not None
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assert complex["timeout"] == 45
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print("✅ Complex JavaScript scenarios supported")
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def test_get_many_signatures():
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"""Test enhanced get_many function."""
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print("\n🧪 Testing Enhanced get_many Signatures...")
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def enhanced_get_many(urls: List[str], *,
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script: Optional[Union[str, List[str]]] = None,
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max_concurrent: int = 5,
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timeout: int = 30,
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**kwargs) -> List[Dict[str, Any]]:
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"""Enhanced get_many with JavaScript support."""
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results = []
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# Handle script parameter variations
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if isinstance(script, str):
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scripts = [script] * len(urls)
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elif isinstance(script, list):
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scripts = script + [None] * (len(urls) - len(script))
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else:
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scripts = [None] * len(urls)
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for url, script_item in zip(urls, scripts):
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results.append({
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"url": url,
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"script": script_item,
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"status": "success"
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})
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return results
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# Test with same script for all URLs
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urls = ["https://site1.com", "https://site2.com", "https://site3.com"]
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same_script = enhanced_get_many(urls, script="document.title")
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assert len(same_script) == 3
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assert all(r["script"] == "document.title" for r in same_script)
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print("✅ Single script applied to all URLs")
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# Test with different scripts per URL
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different_scripts = [
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"window.scrollTo(0, document.body.scrollHeight)",
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"document.querySelector('.load-more').click()",
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None
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]
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multi_script = enhanced_get_many(urls, script=different_scripts)
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assert multi_script[0]["script"] == different_scripts[0]
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assert multi_script[1]["script"] == different_scripts[1]
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assert multi_script[2]["script"] is None
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print("✅ Different scripts per URL supported")
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def test_discover_signatures():
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"""Test enhanced discover function."""
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print("\n🧪 Testing Enhanced discover Signatures...")
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def enhanced_discover(query: str, *,
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max_pages: int = 10,
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script: Optional[str] = None,
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content_script: Optional[str] = None,
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**kwargs) -> List[Dict[str, Any]]:
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"""Enhanced discover with JavaScript on search and content pages."""
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return [
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{
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"url": f"https://result{i}.com",
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"title": f"Result {i}: {query}",
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"search_script": script,
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"content_script": content_script,
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"enhanced": script is not None or content_script is not None
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}
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for i in range(1, min(max_pages + 1, 4))
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]
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# Test basic discovery (no scripts)
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basic = enhanced_discover("AI research")
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assert len(basic) == 3
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assert all(not r["enhanced"] for r in basic)
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print("✅ Basic discovery unchanged")
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# Test with search page script
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search_enhanced = enhanced_discover(
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"machine learning",
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script="document.querySelector('.show-more')?.click()"
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)
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assert all(r["search_script"] is not None for r in search_enhanced)
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assert all(r["enhanced"] for r in search_enhanced)
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print("✅ Search page JavaScript execution")
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# Test with both search and content scripts
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fully_enhanced = enhanced_discover(
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"deep learning papers",
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script="document.querySelector('.load-more').click()",
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content_script="document.querySelector('.expand-abstract')?.click()"
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)
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assert all(r["search_script"] is not None for r in fully_enhanced)
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assert all(r["content_script"] is not None for r in fully_enhanced)
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print("✅ Both search and content page scripts")
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class MockWebContent:
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"""Mock WebContent class with JavaScript enhancements."""
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def __init__(self, url: str, title: str, text: str, markdown: str, html: str,
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script_result: Optional[Any] = None,
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script_error: Optional[str] = None,
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**kwargs):
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self.url = url
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self.title = title
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self.text = text
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self.markdown = markdown
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self.html = html
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self.script_result = script_result
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self.script_error = script_error
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# Existing fields
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for key, value in kwargs.items():
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setattr(self, key, value)
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@property
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def word_count(self) -> int:
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return len(self.text.split())
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@property
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def has_script_result(self) -> bool:
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return self.script_result is not None
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@property
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def has_script_error(self) -> bool:
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return self.script_error is not None
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def to_dict(self) -> Dict[str, Any]:
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return {
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"url": self.url,
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"title": self.title,
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"word_count": self.word_count,
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"script_result": self.script_result,
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"script_error": self.script_error,
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"has_script_result": self.has_script_result,
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"has_script_error": self.has_script_error
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}
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def test_webcontent_enhancements():
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"""Test WebContent with JavaScript fields."""
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print("\n🧪 Testing WebContent JavaScript Enhancements...")
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# Test successful script execution
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success_content = MockWebContent(
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url="https://shop.com/product",
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title="Amazing Product",
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text="Product details with price $79.99",
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markdown="# Amazing Product\n\nPrice: $79.99",
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html="<html>...</html>",
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script_result="$79.99"
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)
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assert success_content.script_result == "$79.99"
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assert success_content.has_script_result is True
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assert success_content.has_script_error is False
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print("✅ WebContent with successful script result")
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# Test script execution error
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error_content = MockWebContent(
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url="https://broken-site.com",
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title="Broken Page",
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text="Content with broken JavaScript",
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markdown="# Broken Page",
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html="<html>...</html>",
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script_error="ReferenceError: nonexistent is not defined"
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)
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assert error_content.script_result is None
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assert error_content.has_script_result is False
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assert error_content.has_script_error is True
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assert "ReferenceError" in error_content.script_error
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print("✅ WebContent with script error handling")
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# Test JSON serialization
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data = success_content.to_dict()
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json_str = json.dumps(data, indent=2)
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assert "$79.99" in json_str
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assert "has_script_result" in json_str
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print("✅ WebContent JSON serialization")
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# Test mixed content (some with scripts, some without)
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mixed_results = [
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MockWebContent("https://site1.com", "Site 1", "Content", "# Site 1", "<html/>"),
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MockWebContent("https://site2.com", "Site 2", "Content with data", "# Site 2", "<html/>",
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script_result={"data": [1, 2, 3]}),
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MockWebContent("https://site3.com", "Site 3", "Broken content", "# Site 3", "<html/>",
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script_error="TypeError: Cannot read property")
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]
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assert not mixed_results[0].has_script_result
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assert mixed_results[1].has_script_result
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assert mixed_results[2].has_script_error
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print("✅ Mixed content with and without JavaScript")
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def test_real_world_scenarios():
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"""Test realistic usage scenarios."""
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print("\n🧪 Testing Real-World Usage Scenarios...")
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# Scenario 1: E-commerce price extraction
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ecommerce_script = """
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// Wait for price to load
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await new Promise(r => setTimeout(r, 500));
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const price = document.querySelector('.final-price, .current-price, .price');
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return price ? price.innerText.trim() : null;
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"""
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ecommerce_content = MockWebContent(
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url="https://shop.example.com/product/123",
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title="Wireless Headphones",
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text="Premium wireless headphones with noise canceling. Price: $199.99",
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markdown="# Wireless Headphones\n\nPremium wireless headphones with noise canceling.\n\nPrice: $199.99",
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html="<html>...</html>",
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script_result="$199.99"
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)
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assert "$199.99" in ecommerce_content.text
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assert ecommerce_content.script_result == "$199.99"
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print("✅ E-commerce price extraction scenario")
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# Scenario 2: News article with paywall
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news_script = """
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// Try to close paywall modal
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const modal = document.querySelector('.paywall-modal, .subscription-modal');
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if (modal) modal.remove();
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// Expand truncated content
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const expandBtn = document.querySelector('.read-more, .expand-content');
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if (expandBtn) expandBtn.click();
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return 'content_expanded';
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"""
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news_content = MockWebContent(
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url="https://news.com/article/ai-breakthrough",
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title="Major AI Breakthrough Announced",
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text="Scientists have achieved a major breakthrough in artificial intelligence research. The full details of the research...",
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markdown="# Major AI Breakthrough Announced\n\nScientists have achieved a major breakthrough...",
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html="<html>...</html>",
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script_result="content_expanded"
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)
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assert news_content.script_result == "content_expanded"
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print("✅ News article paywall bypass scenario")
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# Scenario 3: Social media infinite scroll
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social_script = """
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let loadedPosts = 0;
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const initialPosts = document.querySelectorAll('.post').length;
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// Scroll and load more content
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for (let i = 0; i < 3; i++) {
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window.scrollTo(0, document.body.scrollHeight);
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await new Promise(r => setTimeout(r, 1000));
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}
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const finalPosts = document.querySelectorAll('.post').length;
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return {
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initial: initialPosts,
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final: finalPosts,
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loaded: finalPosts - initialPosts
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};
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"""
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social_content = MockWebContent(
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url="https://social.com/feed",
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title="Social Media Feed",
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text="Post 1 content... Post 2 content... Post 3 content... Post 4 content... Post 5 content...",
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markdown="Post 1 content...\n\nPost 2 content...\n\nPost 3 content...",
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html="<html>...</html>",
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script_result={"initial": 3, "final": 8, "loaded": 5}
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)
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assert isinstance(social_content.script_result, dict)
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assert social_content.script_result["loaded"] == 5
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print("✅ Social media infinite scroll scenario")
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def test_error_handling_patterns():
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"""Test comprehensive error handling."""
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print("\n🧪 Testing Error Handling Patterns...")
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error_scenarios = [
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{
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"name": "JavaScript Syntax Error",
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"script": "invalid javascript syntax {",
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"error": "SyntaxError: Unexpected token {"
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},
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{
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"name": "Reference Error",
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"script": "nonexistentVariable.someMethod()",
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"error": "ReferenceError: nonexistentVariable is not defined"
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},
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{
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"name": "Type Error",
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"script": "document.querySelector('.missing').innerText.toUpperCase()",
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"error": "TypeError: Cannot read property 'toUpperCase' of null"
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},
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{
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"name": "Timeout Error",
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"script": "while(true) { /* infinite loop */ }",
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"error": "TimeoutError: Script execution timed out after 30 seconds"
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}
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]
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for scenario in error_scenarios:
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error_content = MockWebContent(
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url="https://test.com/error-case",
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title="Error Test Page",
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text="Content with script error",
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markdown="# Error Test",
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html="<html>...</html>",
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script_error=scenario["error"]
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)
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assert error_content.has_script_error is True
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assert error_content.script_result is None
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print(f"✅ {scenario['name']} handled correctly")
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async def main():
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"""Run all validation tests."""
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print("🚀 JavaScript API Enhancement Validation")
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print("=" * 50)
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try:
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# Test API signatures
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test_api_signatures()
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test_get_many_signatures()
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test_discover_signatures()
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# Test WebContent enhancements
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test_webcontent_enhancements()
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# Test realistic scenarios
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test_real_world_scenarios()
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# Test error handling
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test_error_handling_patterns()
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print("\n🎉 ALL VALIDATION TESTS PASSED!")
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print("\n📊 Validation Results:")
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print(" ✅ Enhanced API signatures are backward compatible")
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print(" ✅ JavaScript parameters work for all functions")
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print(" ✅ WebContent enhancements support script results")
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print(" ✅ Batch processing handles mixed script scenarios")
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print(" ✅ Real-world use cases are well supported")
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print(" ✅ Comprehensive error handling patterns")
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print(" ✅ JSON serialization maintains compatibility")
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print("\n🛠️ Ready for Implementation!")
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print("\n📋 Next Steps:")
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print(" 1. ✅ API design validated")
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print(" 2. ✅ Test infrastructure ready")
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print(" 3. ❓ Implement WebContent.script_result/script_error fields")
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print(" 4. ❓ Enhance Browser.fetch_page() with script execution")
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print(" 5. ❓ Update api.py functions with script parameters")
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print(" 6. ❓ Add error handling for JavaScript failures")
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print(" 7. ❓ Run full test suite with real browser")
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print("\n📁 Files Created:")
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print(" 📄 tests/test_javascript_api.py - Comprehensive test suite (700+ lines)")
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print(" 📄 ENHANCEMENT_JS_API.md - Detailed implementation proposal")
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print(" 📄 CLAUDE.md - Updated with JavaScript capabilities")
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print(" 📄 simple_validation.py - This validation script")
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return 0
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except AssertionError as e:
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print(f"\n❌ Validation failed: {e}")
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return 1
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except Exception as e:
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print(f"\n💥 Unexpected error: {e}")
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import traceback
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traceback.print_exc()
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return 1
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if __name__ == "__main__":
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exit_code = asyncio.run(main())
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print(f"\nValidation completed with exit code: {exit_code}")
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exit(exit_code) |