1import { describe, test, expect } from "bun:test";
 2import { FetchError, ToolInputError } from "../src/util/errors.js";
 3import { createWebSearchTool } from "../src/agent/tools/web-search.js";
 4
 5describe("web_search error handling (issue #11)", () => {
 6  test("missing session token throws ToolInputError", async () => {
 7    const tool = createWebSearchTool("");
 8    await expect(tool.execute("id", { query: "test" })).rejects.toThrow(ToolInputError);
 9  });
10
11  test("search API failure is wrapped as FetchError", async () => {
12    // Use a bogus token so the kagi API call fails
13    const tool = createWebSearchTool("invalid-token-xxx");
14    try {
15      await tool.execute("id", { query: "test query" });
16      // If it somehow succeeds (unlikely), that's fine
17    } catch (e: any) {
18      // After fix, errors from the search API should be wrapped as FetchError
19      expect(e).toBeInstanceOf(FetchError);
20    }
21  });
22});