import { describe, expect, it } from "vitest";
import { markdownToTelegramHtml } from "./format.js";
describe("markdownToTelegramHtml", () => {
it("renders basic inline formatting", () => {
const res = markdownToTelegramHtml("hi _there_ **boss** `code`");
expect(res).toBe("hi there boss code");
});
it("renders links as Telegram-safe HTML", () => {
const res = markdownToTelegramHtml("see [docs](https://example.com)");
expect(res).toBe('see docs');
});
it("escapes raw HTML", () => {
const res = markdownToTelegramHtml("nope");
expect(res).toBe("<b>nope</b>");
});
it("escapes unsafe characters", () => {
const res = markdownToTelegramHtml("a & b < c");
expect(res).toBe("a & b < c");
});
it("renders paragraphs with blank lines", () => {
const res = markdownToTelegramHtml("first\n\nsecond");
expect(res).toBe("first\n\nsecond");
});
it("renders lists without block HTML", () => {
const res = markdownToTelegramHtml("- one\n- two");
expect(res).toBe("• one\n• two");
});
it("renders ordered lists with numbering", () => {
const res = markdownToTelegramHtml("2. two\n3. three");
expect(res).toBe("2. two\n3. three");
});
it("flattens headings", () => {
const res = markdownToTelegramHtml("# Title");
expect(res).toBe("Title");
});
it("renders blockquotes as native Telegram blockquote tags", () => {
const res = markdownToTelegramHtml("> Quote");
expect(res).toContain("");
expect(res).toContain("Quote");
expect(res).toContain("
");
});
it("renders blockquotes with inline formatting", () => {
const res = markdownToTelegramHtml("> **bold** quote");
expect(res).toContain("");
expect(res).toContain("bold");
expect(res).toContain("
");
});
it("renders multiline blockquotes as a single Telegram blockquote", () => {
const res = markdownToTelegramHtml("> first\n> second");
expect(res).toBe("first\nsecond
");
});
it("renders separated quoted paragraphs as distinct blockquotes", () => {
const res = markdownToTelegramHtml("> first\n\n> second");
expect(res).toContain("first");
expect(res).toContain("second
");
expect(res.match(//g)).toHaveLength(2);
});
it("renders fenced code blocks", () => {
const res = markdownToTelegramHtml("```js\nconst x = 1;\n```");
expect(res).toBe("const x = 1;\n
");
});
it("properly nests overlapping bold and autolink (#4071)", () => {
const res = markdownToTelegramHtml("**start https://example.com** end");
expect(res).toMatch(
/start https:\/\/example\.com<\/a><\/b> end/,
);
});
it("properly nests link inside bold", () => {
const res = markdownToTelegramHtml("**bold [link](https://example.com) text**");
expect(res).toBe('bold link text');
});
it("properly nests bold wrapping a link with trailing text", () => {
const res = markdownToTelegramHtml("**[link](https://example.com) rest**");
expect(res).toBe('link rest');
});
it("properly nests bold inside a link", () => {
const res = markdownToTelegramHtml("[**bold**](https://example.com)");
expect(res).toBe('bold');
});
it("wraps punctuated file references in code tags", () => {
const res = markdownToTelegramHtml("See README.md. Also (backup.sh).");
expect(res).toContain("README.md.");
expect(res).toContain("(backup.sh).");
});
it("renders spoiler tags", () => {
const res = markdownToTelegramHtml("the answer is ||42||");
expect(res).toBe("the answer is 42");
});
it("renders spoiler with nested formatting", () => {
const res = markdownToTelegramHtml("||**secret** text||");
expect(res).toBe("secret text");
});
});