import { describe, it, expect } from "vitest";
import { extractHtml } from "../extract-html.js";
describe("extractHtml", () => {
it('returns "" for agent error text ("rate limit exceeded")', () => {
expect(extractHtml("rate limit exceeded")).toBe("");
});
it('returns "" for empty string input', () => {
expect(extractHtml("")).toBe("");
});
it('returns "" for plain text without HTML markers ("Here is your result: some text")', () => {
expect(extractHtml("Here is your result: some text")).toBe("");
});
it('returns "" for non-HTML fenced code block (```json {"a":1} ```)', () => {
expect(extractHtml('```json\n{"a":1}\n```')).toBe("");
});
it("extracts DOCTYPE + full HTML from text with surrounding content", () => {
const input = "Sure!\nok";
expect(extractHtml(input)).toBe("ok");
});
it("extracts inner content from fenced HTML code block", () => {
const input = "```html\nok\n```";
expect(extractHtml(input)).toBe("ok");
});
it("returns content starting with < that is valid HTML snippet", () => {
const input = "";
expect(extractHtml(input)).toBe("");
});
it("returns HTML content when closing