blob: ce87acbb635eb737ac11cc9e0d710907cff3161b [file] [log] [blame]
/**
* @license
* Copyright 2020 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import '../../../test/common-test-setup';
import {mockPromise, MockPromise, resetPlugins} from '../../../test/test-utils';
import './gr-external-style';
import {GrExternalStyle} from './gr-external-style';
import {getPluginLoader} from '../../shared/gr-js-api-interface/gr-plugin-loader';
import {PluginApi} from '../../../api/plugin';
import {fixture, html, assert} from '@open-wc/testing';
suite('gr-external-style integration tests', () => {
const TEST_URL = 'http://some.com/plugins/url.js';
let element: GrExternalStyle;
let plugin: PluginApi;
let pluginsLoaded: MockPromise<void>;
let applyStyleSpy: sinon.SinonSpy;
const installPlugin = () => {
if (plugin) {
return;
}
window.Gerrit.install(
p => {
plugin = p;
},
'0.1',
TEST_URL
);
};
const createElement = async () => {
applyStyleSpy = sinon.spy(GrExternalStyle.prototype, 'applyStyle');
element = await fixture(
html`<gr-external-style .name=${'foo'}></gr-external-style>`
);
await element.updateComplete;
};
/**
* Installs the plugin, creates the element, registers style module.
*/
const lateRegister = async () => {
installPlugin();
await createElement();
plugin.registerStyleModule('foo', 'some-module');
};
/**
* Installs the plugin, registers style module, creates the element.
*/
const earlyRegister = async () => {
installPlugin();
plugin.registerStyleModule('foo', 'some-module');
await createElement();
};
setup(() => {
pluginsLoaded = mockPromise();
sinon.stub(getPluginLoader(), 'awaitPluginsLoaded').returns(pluginsLoaded);
});
teardown(() => {
resetPlugins();
document.body
.querySelectorAll('custom-style')
.forEach(style => style.remove());
});
test('applies plugin-provided styles', async () => {
await lateRegister();
pluginsLoaded.resolve();
await element.updateComplete;
assert.isTrue(applyStyleSpy.calledWith('some-module'));
});
test('does not double apply', async () => {
await earlyRegister();
await element.updateComplete;
plugin.registerStyleModule('foo', 'some-module');
await element.updateComplete;
const stylesApplied = element.stylesApplied.filter(
name => name === 'some-module'
);
assert.strictEqual(stylesApplied.length, 1);
});
test('loads and applies preloaded modules', async () => {
await earlyRegister();
await element.updateComplete;
assert.isTrue(applyStyleSpy.calledWith('some-module'));
});
test('removes old custom-style if name is changed', async () => {
installPlugin();
plugin.registerStyleModule('bar', 'some-module');
await earlyRegister();
await element.updateComplete;
let customStyles = document.body.querySelectorAll('custom-style');
assert.strictEqual(customStyles.length, 1);
element.name = 'bar';
await element.updateComplete;
customStyles = document.body.querySelectorAll('custom-style');
assert.strictEqual(customStyles.length, 1);
element.name = 'baz';
await element.updateComplete;
customStyles = document.body.querySelectorAll('custom-style');
assert.strictEqual(customStyles.length, 0);
});
test('can apply more than one style', async () => {
await earlyRegister();
await element.updateComplete;
plugin.registerStyleModule('foo', 'some-module2');
pluginsLoaded.resolve();
await element.updateComplete;
assert.strictEqual(element.stylesApplied.length, 2);
const customStyles = document.body.querySelectorAll('custom-style');
assert.strictEqual(customStyles.length, 2);
});
});