diff --git a/crates/omnigraph/tests/search.rs b/crates/omnigraph/tests/search.rs index c4454cf..653172b 100644 --- a/crates/omnigraph/tests/search.rs +++ b/crates/omnigraph/tests/search.rs @@ -556,6 +556,44 @@ async fn bm25_returns_ranked_results() { assert!(result.num_rows() <= 3, "bm25 should respect limit 3"); } +// Full rank-ORDER golden (not just top-1 / non-empty): pins ranks 2..k so a +// regression corrupting the tail or reversing the sort direction fails loudly. +// nearest skips apply_ordering (is_search_ordered) and returns Lance native +// order, so result_slugs row order == rank order. +#[tokio::test] +#[serial] +async fn nearest_full_rank_order() { + let dir = tempfile::tempdir().unwrap(); + let mut db = init_search_db(&dir).await; + let result = query_main( + &mut db, + SEARCH_QUERIES, + "vector_search", + &vector_param("$q", &[0.1, 0.2, 0.3, 0.4]), + ) + .await + .unwrap(); + // [0.1,0.2,0.3,0.4] == ml-intro's embedding (dist 0); the rest by ascending L2. + assert_eq!(result_slugs(&result), vec!["ml-intro", "nlp-guide", "rl-intro"]); +} + +#[tokio::test] +#[serial] +async fn bm25_full_rank_order() { + let dir = tempfile::tempdir().unwrap(); + let mut db = init_search_db(&dir).await; + let result = query_main( + &mut db, + SEARCH_QUERIES, + "bm25_search", + ¶ms(&[("$q", "Learning")]), + ) + .await + .unwrap(); + // Descending BM25 score order. + assert_eq!(result_slugs(&result), vec!["rl-intro", "ml-intro", "dl-basics"]); +} + #[tokio::test] #[serial] async fn mutation_commit_refreshes_search_indices_without_manual_ensure() {