add pytests

tests/conftest.py

@@ -0,0 +1,49 @@
+"""Pytest configuration for sphinx-llms-txt."""
+
+import os
+import shutil
+import tempfile
+from pathlib import Path
+
+import pytest
+
+# Use Path directly instead of sphinx_path to avoid deprecation warning
+from sphinx.testing.util import SphinxTestApp
+
+
+@pytest.fixture
+def rootdir():
+    """Get the root directory for test projects."""
+    return Path(os.path.dirname(__file__) or ".").absolute() / "roots"
+
+
+@pytest.fixture
+def temp_dir():
+    """Create a temporary directory and delete it after the test."""
+    temp_path = Path(tempfile.mkdtemp())
+    yield temp_path
+    shutil.rmtree(temp_path, ignore_errors=True)
+
+
+@pytest.fixture
+def basic_sphinx_app(temp_dir, rootdir):
+    """Create a basic Sphinx app for testing."""
+    src_dir = rootdir / "basic"
+    app = SphinxTestApp(
+        srcdir=src_dir,
+        builddir=temp_dir,
+        buildername="html",
+        freshenv=True,
+    )
+    yield app
+
+    # Custom cleanup to avoid missing_ok issue
+    import sys
+    from sphinx.testing.util import _clean_up_global_state
+
+    sys.path[:] = app._saved_path
+    _clean_up_global_state()
+
+    # Safe unlink that works with older Python versions
+    if hasattr(app, "docutils_conf_path") and app.docutils_conf_path.exists():
+        app.docutils_conf_path.unlink()