gc-alexandria/tests/unit/basicMarkupParser.test.ts

import { describe, it, expect } from "vitest";
import { parseBasicmarkup } from "../../src/lib/utils/markup/basicMarkupParser";

// Helper to strip whitespace for easier comparison
function stripWS(str: string) {
  return str.replace(/\s+/g, " ").trim();
}

describe("Basic Markup Parser", () => {
  it("parses ATX and Setext headers", async () => {
    const input = "# H1\nText\n\nH2\n====\n";
    const output = await parseBasicmarkup(input);
    expect(stripWS(output)).toContain("H1");
    expect(stripWS(output)).toContain("H2");
  });

  it("parses bold, italic, and strikethrough", async () => {
    const input =
      "*bold* **bold** _italic_ __italic__ ~strikethrough~ ~~strikethrough~~";
    const output = await parseBasicmarkup(input);
    expect(output).toContain("<strong>bold</strong>");
    expect(output).toContain("<em>italic</em>");
    expect(output).toContain('<del class="line-through">strikethrough</del>');
  });

  it("parses blockquotes", async () => {
    const input = "> quote";
    const output = await parseBasicmarkup(input);
    expect(output).toContain("<blockquote");
    expect(output).toContain("quote");
  });

  it("parses multi-line blockquotes", async () => {
    const input = "> quote\n> quote";
    const output = await parseBasicmarkup(input);
    expect(output).toContain("<blockquote");
    expect(output).toContain("quote");
    expect(output).toContain("quote");
  });

  it("parses unordered lists", async () => {
    const input = "* a\n* b";
    const output = await parseBasicmarkup(input);
    expect(output).toContain("<ul");
    expect(output).toContain("a");
    expect(output).toContain("b");
  });

  it("parses ordered lists", async () => {
    const input = "1. one\n2. two";
    const output = await parseBasicmarkup(input);
    expect(output).toContain("<ol");
    expect(output).toContain("one");
    expect(output).toContain("two");
  });

  it("parses links and images", async () => {
    const input = "[link](https://example.com) ![alt](https://img.com/x.png)";
    const output = await parseBasicmarkup(input);
    expect(output).toContain("<a");
    expect(output).toContain("<img");
  });

  it("parses hashtags", async () => {
    const input = "#hashtag";
    const output = await parseBasicmarkup(input);
    expect(output).toContain("text-primary-600");
    expect(output).toContain("#hashtag");
  });

  it("parses nostr identifiers", async () => {
    const input =
      "npub1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq";
    const output = await parseBasicmarkup(input);
    expect(output).toContain(
      "./events?id=npub1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq",
    );
  });

  it("parses emoji shortcodes", async () => {
    const input = "hello :smile:";
    const output = await parseBasicmarkup(input);
    expect(output).toMatch(/😄|:smile:/);
  });

  it("parses wikilinks", async () => {
    const input = "[[Test Page|display]]";
    const output = await parseBasicmarkup(input);
    expect(output).toContain("wikilink");
    expect(output).toContain("display");
  });
});