#!/usr/bin/env python3
"""Test paper_metadata tool with a real API call."""
import asyncio
import os
import sys
import pytest
# Set email before imports
os.environ["SCIHUB_CLI_EMAIL"] = "test@university.edu"
sys.path.insert(0, "src")
from paper_download_mcp.scihub_core.sources.unpaywall_source import UnpaywallSource
@pytest.mark.asyncio
async def test_unpaywall_api():
"""Test Unpaywall API directly."""
print("=" * 60)
print("Testing Unpaywall API")
print("=" * 60)
doi = "10.1038/nature12373"
print(f"\nQuerying metadata for DOI: {doi}")
def _get_metadata():
unpaywall = UnpaywallSource(email=os.environ["SCIHUB_CLI_EMAIL"], timeout=10)
return unpaywall.get_metadata(doi)
try:
metadata = await asyncio.to_thread(_get_metadata)
if metadata:
print("\n✓ Successfully retrieved metadata!")
print("\nKey fields:")
for key in ["doi", "title", "year", "journal", "is_oa"]:
if key in metadata:
value = metadata[key]
if isinstance(value, str) and len(value) > 60:
value = value[:60] + "..."
print(f" {key}: {value}")
print(f"\nTotal fields: {len(metadata)}")
return True
else:
print("\n✗ No metadata returned")
return False
except Exception as e:
print(f"\n✗ Error: {e}")
import traceback
traceback.print_exc()
return False
if __name__ == "__main__":
success = asyncio.run(test_unpaywall_api())
sys.exit(0 if success else 1)
