Add MCP server code

tests/conftest.py

@@ -0,0 +1,38 @@
+"""Shared fixtures for pdf-mcp tests."""
+
+import subprocess
+import sys
+from pathlib import Path
+
+import pytest
+
+ASSETS = Path(__file__).parent.parent / "assets"
+
+
+def pytest_configure(config):
+    """Generate test PDFs before the test session if they don't exist."""
+    expected = ["basic.pdf", "diagrams.pdf", "nested_toc.pdf", "search_targets.pdf"]
+    if not all((ASSETS / f).exists() for f in expected):
+        subprocess.check_call(
+            [sys.executable, str(ASSETS / "generate.py")],
+        )
+
+
+@pytest.fixture
+def basic_pdf() -> str:
+    return str(ASSETS / "basic.pdf")
+
+
+@pytest.fixture
+def diagrams_pdf() -> str:
+    return str(ASSETS / "diagrams.pdf")
+
+
+@pytest.fixture
+def nested_toc_pdf() -> str:
+    return str(ASSETS / "nested_toc.pdf")
+
+
+@pytest.fixture
+def search_pdf() -> str:
+    return str(ASSETS / "search_targets.pdf")