wp-media-rewind/tests/media.test.ts

import { test } from "node:test";
import assert from "node:assert/strict";
import { buildMediaUrlRegex, DEFAULT_MEDIA_EXTENSIONS } from "../src/utils/media.js";

test("default regex matches typical WordPress upload URLs", () => {
  const re = buildMediaUrlRegex(DEFAULT_MEDIA_EXTENSIONS);
  const text =
    "see <img src=\"https://site.test/wp-content/uploads/2020/01/photo.jpg\"/> and " +
    "https://site.test/wp-content/uploads/2020/01/doc.pdf?v=2 and ignore https://site.test/page";
  const matches = text.match(re) ?? [];
  assert.deepEqual(matches, [
    "https://site.test/wp-content/uploads/2020/01/photo.jpg",
    "https://site.test/wp-content/uploads/2020/01/doc.pdf?v=2",
  ]);
});

test("regex is case-insensitive on extension", () => {
  const re = buildMediaUrlRegex(["jpg"]);
  assert.ok(re.test("https://x.test/a.JPG"));
});

test("regex respects custom extensions only", () => {
  const re = buildMediaUrlRegex(["xyz"]);
  assert.equal("https://x.test/a.jpg".match(re), null);
  assert.ok(re.test("https://x.test/a.xyz"));
});

test("buildMediaUrlRegex throws on empty list", () => {
  assert.throws(() => buildMediaUrlRegex([]), /at least one extension/);
});

test("regex stops at quotes and whitespace", () => {
  const re = buildMediaUrlRegex(["png"]);
  const text = `'https://x.test/a.png' "https://x.test/b.png"`;
  const matches = text.match(re) ?? [];
  assert.deepEqual(matches, ["https://x.test/a.png", "https://x.test/b.png"]);
});