anki/ts/html-filter/index.test.ts

// Copyright: Ankitects Pty Ltd and contributors
// License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html

import { filterHTML } from ".";

describe("filterHTML", () => {
    test("zero input creates zero output", () => {
        expect(filterHTML("", true, false)).toBe("");
        expect(filterHTML("", true, false)).toBe("");
        expect(filterHTML("", false, false)).toBe("");
    });
    test("internal filtering", () => {
        // font-size is filtered, weight is not
        expect(
            filterHTML(
                '<div style="font-weight: bold; font-size: 10px;"></div>',
                true,
                true,
            ),
        ).toBe('<div style="font-weight: bold;"></div>');
    });
    test("background color", () => {
        // transparent is stripped, other colors are not
        expect(
            filterHTML(
                '<span style="background-color: transparent;"></span>',
                false,
                true,
            ),
        ).toBe('<span style=""></span>');
        expect(
            filterHTML('<span style="background-color: blue;"></span>', false, true),
        ).toBe('<span style="background-color: blue;"></span>');
        // except if extended mode is off
        expect(
            filterHTML('<span style="background-color: blue;">x</span>', false, false),
        ).toBe("x");
        // no filtering on internal paste
        expect(
            filterHTML(
                '<span style="background-color: transparent;"></span>',
                true,
                true,
            ),
        ).toBe('<span style="background-color: transparent;"></span>');
    });
});