element-web/test/unit-tests/Markdown-test.ts

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/*
Copyright 2024 New Vector Ltd.
Copyright 2021 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import Markdown from "../../src/Markdown";
describe("Markdown parser test", () => {
describe("fixing HTML links", () => {
const testString = [
"Test1:",
"#_foonetic_xkcd:matrix.org",
"http://google.com/_thing_",
"https://matrix.org/_matrix/client/foo/123_",
"#_foonetic_xkcd:matrix.org",
"",
"Test1A:",
"#_foonetic_xkcd:matrix.org",
"http://google.com/_thing_",
"https://matrix.org/_matrix/client/foo/123_",
"#_foonetic_xkcd:matrix.org",
"",
"Test2:",
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg",
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg",
"",
"Test3:",
"https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org",
"https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org",
].join("\n");
it("tests that links with markdown empasis in them are getting properly HTML formatted", () => {
/* eslint-disable max-len */
const expectedResult = [
"<p>Test1:<br />#_foonetic_xkcd:matrix.org<br />http://google.com/_thing_<br />https://matrix.org/_matrix/client/foo/123_<br />#_foonetic_xkcd:matrix.org</p>",
"<p>Test1A:<br />#_foonetic_xkcd:matrix.org<br />http://google.com/_thing_<br />https://matrix.org/_matrix/client/foo/123_<br />#_foonetic_xkcd:matrix.org</p>",
"<p>Test2:<br />http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg<br />http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg</p>",
"<p>Test3:<br />https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org<br />https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org</p>",
"",
].join("\n");
/* eslint-enable max-len */
const md = new Markdown(testString);
expect(md.toHTML()).toEqual(expectedResult);
});
it("tests that links with autolinks are not touched at all and are still properly formatted", () => {
const test = [
"Test1:",
"<#_foonetic_xkcd:matrix.org>",
"<http://google.com/_thing_>",
"<https://matrix.org/_matrix/client/foo/123_>",
"<#_foonetic_xkcd:matrix.org>",
"",
"Test1A:",
"<#_foonetic_xkcd:matrix.org>",
"<http://google.com/_thing_>",
"<https://matrix.org/_matrix/client/foo/123_>",
"<#_foonetic_xkcd:matrix.org>",
"",
"Test2:",
"<http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg>",
"<http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg>",
"",
"Test3:",
"<https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org>",
"<https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org>",
].join("\n");
/* eslint-disable max-len */
/**
* NOTE: I'm not entirely sure if those "<"" and ">" should be visible in here for #_foonetic_xkcd:matrix.org
* but it seems to be actually working properly
*/
const expectedResult = [
'<p>Test1:<br />&lt;#_foonetic_xkcd:matrix.org&gt;<br /><a href="http://google.com/_thing_">http://google.com/_thing_</a><br /><a href="https://matrix.org/_matrix/client/foo/123_">https://matrix.org/_matrix/client/foo/123_</a><br />&lt;#_foonetic_xkcd:matrix.org&gt;</p>',
'<p>Test1A:<br />&lt;#_foonetic_xkcd:matrix.org&gt;<br /><a href="http://google.com/_thing_">http://google.com/_thing_</a><br /><a href="https://matrix.org/_matrix/client/foo/123_">https://matrix.org/_matrix/client/foo/123_</a><br />&lt;#_foonetic_xkcd:matrix.org&gt;</p>',
'<p>Test2:<br /><a href="http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg">http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg</a><br /><a href="http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg">http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg</a></p>',
'<p>Test3:<br /><a href="https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org">https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org</a><br /><a href="https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org">https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org</a></p>',
"",
].join("\n");
/* eslint-enable max-len */
const md = new Markdown(test);
expect(md.toHTML()).toEqual(expectedResult);
});
it("expects that links in codeblock are not modified", () => {
const expectedResult = [
'<pre><code class="language-Test1:">#_foonetic_xkcd:matrix.org',
"http://google.com/_thing_",
"https://matrix.org/_matrix/client/foo/123_",
"#_foonetic_xkcd:matrix.org",
"",
"Test1A:",
"#_foonetic_xkcd:matrix.org",
"http://google.com/_thing_",
"https://matrix.org/_matrix/client/foo/123_",
"#_foonetic_xkcd:matrix.org",
"",
"Test2:",
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg",
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg",
"",
"Test3:",
"https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org",
"https://riot.im/app/#/room/#_foonetic_xkcd:matrix.org```",
"</code></pre>",
"",
].join("\n");
const md = new Markdown("```" + testString + "```");
expect(md.toHTML()).toEqual(expectedResult);
});
it('expects that links with emphasis are "escaped" correctly', () => {
/* eslint-disable max-len */
const testString = [
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg" +
" " +
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg",
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg" +
" " +
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg",
"https://example.com/_test_test2_-test3",
"https://example.com/_test_test2_test3_",
"https://example.com/_test__test2_test3_",
"https://example.com/_test__test2__test3_",
"https://example.com/_test__test2_test3__",
"https://example.com/_test__test2",
].join("\n");
const expectedResult = [
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg",
"http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg http://domain.xyz/foo/bar-_stuff-like-this_-in-it.jpg",
"https://example.com/_test_test2_-test3",
"https://example.com/_test_test2_test3_",
"https://example.com/_test__test2_test3_",
"https://example.com/_test__test2__test3_",
"https://example.com/_test__test2_test3__",
"https://example.com/_test__test2",
].join("<br />");
/* eslint-enable max-len */
const md = new Markdown(testString);
expect(md.toHTML()).toEqual(expectedResult);
});
it("expects that the link part will not be accidentally added to <strong>", () => {
/* eslint-disable max-len */
const testString = `https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py`;
const expectedResult = "https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py";
/* eslint-enable max-len */
const md = new Markdown(testString);
expect(md.toHTML()).toEqual(expectedResult);
});
it("expects that the link part will not be accidentally added to <strong> for multiline links", () => {
/* eslint-disable max-len */
const testString = [
"https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py" +
" " +
"https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py",
"https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py" +
" " +
"https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py",
].join("\n");
const expectedResult = [
"https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py" +
" " +
"https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py",
"https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py" +
" " +
"https://github.com/matrix-org/synapse/blob/develop/synapse/module_api/__init__.py",
].join("<br />");
/* eslint-enable max-len */
const md = new Markdown(testString);
expect(md.toHTML()).toEqual(expectedResult);
});
it("resumes applying formatting to the rest of a message after a link", () => {
const testString = "http://google.com/_thing_ *does* __not__ exist";
const expectedResult = "http://google.com/_thing_ <em>does</em> <strong>not</strong> exist";
const md = new Markdown(testString);
expect(md.toHTML()).toEqual(expectedResult);
});
});
});