Add tests

tests/test_search.py

@@ -0,0 +1,45 @@
+import os
+import tempfile
+from pathlib import Path
+
+from reader import make_reader
+
+from discord_rss_bot.search import add_span_with_slice, create_html_for_search_results
+
+
+def test_create_html_for_search_results() -> None:
+    """Test create_html_for_search_results."""
+    # Create a reader.
+    with tempfile.TemporaryDirectory() as temp_dir:
+        # Create the temp directory.
+        os.makedirs(temp_dir, exist_ok=True)
+        assert os.path.exists(temp_dir)
+
+        # Create a temporary reader.
+        reader = make_reader(url=str(Path(temp_dir, "test_db.sqlite")))
+        assert reader is not None
+
+        # Add a feed to the reader.
+        reader.add_feed("https://www.reddit.com/r/Python/.rss")
+
+        # Update the feed to get the entries.
+        reader.update_feeds()
+
+        # Get the feed.
+        feed = reader.get_feed("https://www.reddit.com/r/Python/.rss")
+        assert feed is not None
+
+        # Update the search index.
+        reader.enable_search()
+        reader.update_search()
+
+        # Get the HTML for the search results.
+        search_results = reader.search_entries("a", feed=feed)
+
+        # Create the HTML and check if it is not empty.
+        search_html: str = create_html_for_search_results(search_results, reader)
+        assert search_html is not None
+        assert len(search_html) > 10
+
+        # Close the reader, so we can delete the directory.
+        reader.close()