const { filterJson } = require("../src/search");

describe("filterJson", () => {
  // deliberately adding an extra property that is not supposed to be there
  test("keeps only url, title, and content", () => {
    const input = [
      {
        url: "https://example.com",
        title: "Example",
        content: "Some content",
        engine: "startpage",
        score: 0.9
      }
    ];

    expect(filterJson(input)).toEqual([
      {
        url: "https://example.com",
        title: "Example",
        content: "Some content"
      }
    ]);
  });

  test("returns an empty array for empty input", () => {
    expect(filterJson([])).toEqual([]);
  });

  test("handles multiple results", () => {
    const input = [
      { url: "one", title: "One", content: "First" },
      { url: "two", title: "Two", content: "Second" }
    ];

    expect(filterJson(input)).toEqual(input);
  });
});