zulip/frontend_tests/node_tests/markdown_katex.js

37 lines
834 B
JavaScript

"use strict";
/*
This whole module is dedicated to adding
one line of coverage for markdown.js.
There may be a better way.
*/
const rewiremock = require("rewiremock/node");
const {set_global, zrequire} = require("../zjsunit/namespace");
const {run_test} = require("../zjsunit/test");
set_global("page_params", {});
rewiremock("katex").with({
renderToString: () => {
throw new Error("some-exception");
},
});
rewiremock.enable();
const markdown_config = zrequire("markdown_config");
const markdown = zrequire("markdown");
markdown.initialize([], markdown_config.get_helpers());
run_test("katex_throws_unexpected_exceptions", () => {
blueslip.expect("error", "Error: some-exception");
const message = {raw_content: "$$a$$"};
markdown.apply_markdown(message);
});
rewiremock.disable();