Ensure keywords exist for all sources

embedding-generation/tests/test_vector_db_sources.py

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+# Copyright © 2026, Arm Limited and Contributors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Validation tests for vector-db-sources.csv."""
+
+import csv
+from pathlib import Path
+
+
+SOURCES_FILE = Path(__file__).resolve().parents[1] / "vector-db-sources.csv"
+REQUIRED_COLUMNS = {"Display Name", "Keywords", "URL"}
+
+
+def test_vector_db_sources_have_keywords():
+    """Every document source row must include keywords for lexical retrieval."""
+    with SOURCES_FILE.open(newline="", encoding="utf-8") as sources:
+        reader = csv.DictReader(sources)
+
+        missing_columns = REQUIRED_COLUMNS - set(reader.fieldnames or [])
+        assert not missing_columns, (
+            f"{SOURCES_FILE.name} is missing required columns: "
+            f"{', '.join(sorted(missing_columns))}"
+        )
+
+        rows_without_keywords = [
+            f"line {line_number}: {row.get('Display Name', '').strip()} ({(row.get('URL') or '').strip()})"
+            for line_number, row in enumerate(reader, start=2)
+            if (row.get("URL") or "").strip() and not (row.get("Keywords") or "").strip()
+        ]
+
+    assert not rows_without_keywords, (
+        "Rows in vector-db-sources.csv must include Keywords:\n"
+        + "\n".join(rows_without_keywords)
+    )