import { describe, expect, it } from "vitest"; import {  compareRankedSearchResults,  insertRankedSearchResult,  normalizeSearchQuery,  scoreQueryMatch,  scoreSubsequenceMatch,} from "./searchRanking.ts"; describe("normalizeSearchQuery", () => {  it("trims and lowercases queries", () => {    expect(normalizeSearchQuery("  UI  ")).toBe("ui");  });   it("can strip leading trigger characters", () => {    expect(normalizeSearchQuery("  $ui", { trimLeadingPattern: /^\$+/ })).toBe("ui");  });}); describe("scoreQueryMatch", () => {  it("prefers exact matches over broader contains matches", () => {    expect(      scoreQueryMatch({        value: "ui",        query: "ui",        exactBase: 0,        prefixBase: 10,        includesBase: 20,      }),    ).toBe(0);     expect(      scoreQueryMatch({        value: "building native ui",        query: "ui",        exactBase: 0,        prefixBase: 10,        boundaryBase: 20,        includesBase: 30,      }),    ).toBeGreaterThan(0);  });   it("treats boundary matches as stronger than generic contains matches", () => {    const boundaryScore = scoreQueryMatch({      value: "gh-fix-ci",      query: "fix",      exactBase: 0,      prefixBase: 10,      boundaryBase: 20,      includesBase: 30,      boundaryMarkers: ["-"],    });    const containsScore = scoreQueryMatch({      value: "highfixci",      query: "fix",      exactBase: 0,      prefixBase: 10,      boundaryBase: 20,      includesBase: 30,      boundaryMarkers: ["-"],    });     expect(boundaryScore).not.toBeNull();    expect(containsScore).not.toBeNull();    expect(boundaryScore!).toBeLessThan(containsScore!);  });}); describe("scoreSubsequenceMatch", () => {  it("scores tighter subsequences ahead of looser ones", () => {    const compact = scoreSubsequenceMatch("ghfixci", "gfc");    const spread = scoreSubsequenceMatch("github-fix-ci", "gfc");     expect(compact).not.toBeNull();    expect(spread).not.toBeNull();    expect(compact!).toBeLessThan(spread!);  });}); describe("insertRankedSearchResult", () => {  it("keeps the best-ranked candidates within the limit", () => {    const ranked = [      { item: "b", score: 20, tieBreaker: "b" },      { item: "d", score: 40, tieBreaker: "d" },    ];     insertRankedSearchResult(ranked, { item: "a", score: 10, tieBreaker: "a" }, 2);    insertRankedSearchResult(ranked, { item: "c", score: 30, tieBreaker: "c" }, 2);     expect(ranked.map((entry) => entry.item)).toEqual(["a", "b"]);    expect(compareRankedSearchResults(ranked[0]!, ranked[1]!)).toBeLessThan(0);  });});