def test_similarity_compute_and_lookup(tmp_path):
    import pytest

    duckdb = pytest.importorskip("duckdb")

    # local duckdb imported above
    from database import MotionDatabase

    import similarity.compute as compute
    import similarity.lookup as lookup

    db_path = str(tmp_path / "motions.db")

    # Build MotionDatabase on tmp_path
    db = MotionDatabase(db_path=db_path)

    # Insert three motions directly (avoid insert_motion which expects migration-added columns)
    conn = duckdb.connect(db_path)
    motion_ids = []
    for i in range(1, 4):
        conn.execute(
            "INSERT INTO motions (title, url) VALUES (?, ?)",
            (f"motion {i}", f"http://example/{i}"),
        )
        row = conn.execute(
            "SELECT id FROM motions WHERE url = ?", (f"http://example/{i}",)
        ).fetchone()
        assert row is not None
        motion_ids.append(row[0])
    conn.close()

    # Insert fused_embeddings for window 'W1'
    vectors = [[1, 0, 0], [0, 1, 0], [1, 1, 0]]
    for motion_id, vec in zip(motion_ids, vectors):
        rid = db.store_fused_embedding(
            motion_id=motion_id, window_id="W1", vector=vec, svd_dims=1, text_dims=2
        )
        assert rid != -1

    # Compute similarities
    inserted = compute.compute_similarities(
        vector_type="fused", window_id="W1", top_k=1, db_path=db_path
    )
    # depending on implementation we may insert 2 or 3 rows (or more); allow 2 or 3
    assert inserted in (2, 3)

    # Lookup neighbors for motion 1
    neighbors = lookup.get_similar_motions(
        motion_id=motion_ids[0],
        vector_type="fused",
        window_id="W1",
        top_k=2,
        db_path=db_path,
    )
    assert len(neighbors) >= 1

    # Verify ordering: motion 3 ([1,1,0]) should be closer to motion 1 ([1,0,0]) than motion 2 ([0,1,0])
    if len(neighbors) >= 2:
        first = neighbors[0]
        second = neighbors[1]
        assert first["motion_id"] == motion_ids[2]
        assert first["score"] >= second["score"]
    else:
        # If only one neighbor returned, it should be motion 3
        assert neighbors[0]["motion_id"] == motion_ids[2]