add pytests

tests/test_integration.py

@@ -0,0 +1,69 @@
+"""Integration tests for sphinx-llms-txt."""
+
+from pathlib import Path
+
+
+def test_build_html_with_llms_txt(basic_sphinx_app):
+    """Test building HTML documentation with llms-txt enabled."""
+    app = basic_sphinx_app
+    app.build()
+
+    # Check if the output file was created
+    output_file = Path(app.outdir) / "test-llms-full.txt"
+    assert output_file.exists(), f"Output file {output_file} does not exist"
+
+    # Read the content of the output file
+    content = output_file.read_text()
+
+    # Check that content from all pages is included
+    assert "Welcome to Test Project's documentation!" in content
+    assert "Page 1 Title" in content
+    assert "Page 2 Title" in content
+    assert "Content for section 1" in content
+    assert "Content for section A" in content
+
+
+def test_custom_filename(temp_dir, rootdir):
+    """Test using a custom filename for the output."""
+    from sphinx.testing.util import SphinxTestApp
+
+    src_dir = rootdir / "basic"
+
+    # Create a copy of the configuration with a different filename
+    custom_conf = src_dir / "conf_custom.py"
+    with open(src_dir / "conf.py") as f:
+        conf_content = f.read()
+
+    conf_content = conf_content.replace(
+        'llms_txt_filename = "test-llms-full.txt"',
+        'llms_txt_filename = "custom-name.txt"',
+    )
+
+    with open(custom_conf, "w") as f:
+        f.write(conf_content)
+
+    # Create a new test app with the custom configuration
+    app = SphinxTestApp(
+        srcdir=src_dir,
+        builddir=temp_dir,
+        buildername="html",
+        freshenv=True,
+        confoverrides={"llms_txt_filename": "custom-name.txt"},
+    )
+
+    app.build()
+
+    # Check if the output file with the custom name was created
+    output_file = Path(app.outdir) / "custom-name.txt"
+    assert output_file.exists(), f"Output file {output_file} does not exist"
+
+    # 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()