element-web/test/utils/tooltipify-test.tsx
Johannes Marbach 6f21a155a4
Add option to display tooltip on link hover ()
* Add option to display tooltip on link hover

This makes it possible for platforms like Electron apps, which lack
a built-in URL preview in the status bar, to enable tooltip previews
of links.

Relates to: 
Signed-off-by: Johannes Marbach <johannesm@element.io>

* Gracefully handle missing platform

* Use public access modifier

Co-authored-by: Travis Ralston <travpc@gmail.com>

* Use exact inequality

Co-authored-by: Travis Ralston <travpc@gmail.com>

* Document getAbsoluteUrl

* Appease the linter

* Clarify performance impact in comment

Co-authored-by: Travis Ralston <travpc@gmail.com>

* Use URL instead of anchor element hack

* Wrap anchor in tooltip target and only allow focus on anchor

* Use optional chaining

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

* Use double quotes for consistency

* Accumulate and unmount tooltips and extract tooltipify.tsx

* Fix indentation

* Blur tooltip target on click

* Remove space

* Mention platform flag in comment

* Add (simplistic) tests

* Fix lint errors

* Fix lint errors ... for real

* Replace snapshot tests with structural assertions

* Add missing semicolon

* Add tooltips in link previews

* Fix copyright

Co-authored-by: Travis Ralston <travpc@gmail.com>
Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
2022-07-06 09:43:30 +00:00

58 lines
2.2 KiB
TypeScript

/*
Copyright 2022 The Matrix.org Foundation C.I.C.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import React from 'react';
import { mount } from 'enzyme';
import { tooltipifyLinks } from '../../src/utils/tooltipify';
import PlatformPeg from '../../src/PlatformPeg';
import BasePlatform from '../../src/BasePlatform';
describe('tooltipify', () => {
jest.spyOn(PlatformPeg, 'get')
.mockReturnValue({ needsUrlTooltips: () => true } as unknown as BasePlatform);
it('does nothing for empty element', () => {
const component = mount(<div />);
const root = component.getDOMNode();
const originalHtml = root.outerHTML;
const containers: Element[] = [];
tooltipifyLinks([root], [], containers);
expect(containers).toHaveLength(0);
expect(root.outerHTML).toEqual(originalHtml);
});
it('wraps single anchor', () => {
const component = mount(<div><a href="/foo">click</a></div>);
const root = component.getDOMNode();
const containers: Element[] = [];
tooltipifyLinks([root], [], containers);
expect(containers).toHaveLength(1);
const anchor = root.querySelector(".mx_TextWithTooltip_target a");
expect(anchor?.getAttribute("href")).toEqual("/foo");
expect(anchor?.innerHTML).toEqual("click");
});
it('ignores node', () => {
const component = mount(<div><a href="/foo">click</a></div>);
const root = component.getDOMNode();
const originalHtml = root.outerHTML;
const containers: Element[] = [];
tooltipifyLinks([root], [root.children[0]], containers);
expect(containers).toHaveLength(0);
expect(root.outerHTML).toEqual(originalHtml);
});
});