import { describe, expect, it } from "vitest"; import { parseDiffRouteSearch } from "./diffRouteSearch"; describe("parseDiffRouteSearch", () => {  it("parses valid diff search values", () => {    const parsed = parseDiffRouteSearch({      diff: "1",      diffTurnId: "turn-1",      diffFilePath: "src/app.ts",    });     expect(parsed).toEqual({      diff: "1",      diffTurnId: "turn-1",      diffFilePath: "src/app.ts",    });  });   it("drops turn and file values when diff is closed", () => {    const parsed = parseDiffRouteSearch({      diff: "0",      diffTurnId: "turn-1",      diffFilePath: "src/app.ts",    });     expect(parsed).toEqual({});  });   it("drops file value when turn is not selected", () => {    const parsed = parseDiffRouteSearch({      diff: "1",      diffFilePath: "src/app.ts",    });     expect(parsed).toEqual({      diff: "1",    });  });   it("normalizes whitespace-only values", () => {    const parsed = parseDiffRouteSearch({      diff: "1",      diffTurnId: "  ",      diffFilePath: "  ",    });     expect(parsed).toEqual({      diff: "1",    });  });});