import { describe, it, expect } from "vitest";
import { extractReplacement } from "../src/liveTurn";

describe("extractReplacement", () => {
  it("returns plain text untouched", () => {
    expect(extractReplacement("Hello world.")).toBe("Hello world.");
  });
  it("strips a wrapping fence", () => {
    expect(extractReplacement("```\nHello world.\n```")).toBe("Hello world.");
  });
  it("strips a language-tagged fence", () => {
    expect(extractReplacement("```markdown\nHello.\n```\n")).toBe("Hello.");
  });
  it("leaves inner fences alone", () => {
    const inner = "before\n```js\ncode\n```\nafter";
    expect(extractReplacement(inner)).toBe(inner);
  });
});