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<!DOCTYPE html>
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@license
Copyright (C) 2017 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-external-style</title>
<script src="/test/common-test-setup.js"></script>
<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>
<script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>
<link rel="import" href="gr-external-style.html">
<test-fixture id="basic">
<template>
<gr-external-style name="foo"></gr-external-style>
</template>
</test-fixture>
<script>
suite('gr-external-style integration tests', () => {
const TEST_URL = 'http://some/plugin/url.html';
let sandbox;
let element;
let plugin;
const installPlugin = () => {
if (plugin) { return; }
Gerrit.install(p => {
plugin = p;
}, '0.1', TEST_URL);
};
const createElement = () => {
element = fixture('basic');
sandbox.spy(element, '_applyStyle');
};
/**
* Installs the plugin, creates the element, registers style module.
*/
const lateRegister = () => {
installPlugin();
createElement();
plugin.registerStyleModule('foo', 'some-module');
};
/**
* Installs the plugin, registers style module, creates the element.
*/
const earlyRegister = () => {
installPlugin();
plugin.registerStyleModule('foo', 'some-module');
createElement();
};
setup(() => {
sandbox = sinon.sandbox.create();
stub('gr-external-style', {
importHref: (url, resolve) => resolve(),
});
sandbox.stub(Gerrit, 'awaitPluginsLoaded').returns(Promise.resolve());
});
teardown(() => {
sandbox.restore();
});
test('imports plugin-provided module', async () => {
lateRegister();
await new Promise(flush);
assert.isTrue(element.importHref.calledWith(new URL(TEST_URL)));
});
test('applies plugin-provided styles', async () => {
lateRegister();
await new Promise(flush);
assert.isTrue(element._applyStyle.calledWith('some-module'));
});
test('does not double import', async () => {
earlyRegister();
await new Promise(flush);
plugin.registerStyleModule('foo', 'some-module');
await new Promise(flush);
const urlsImported =
element._urlsImported.filter(url => url.toString() === TEST_URL);
assert.strictEqual(urlsImported.length, 1);
});
test('does not double apply', async () => {
earlyRegister();
await new Promise(flush);
plugin.registerStyleModule('foo', 'some-module');
await new Promise(flush);
const stylesApplied =
element._stylesApplied.filter(name => name === 'some-module');
assert.strictEqual(stylesApplied.length, 1);
});
test('loads and applies preloaded modules', async () => {
earlyRegister();
await new Promise(flush);
assert.isTrue(element.importHref.calledWith(new URL(TEST_URL)));
assert.isTrue(element._applyStyle.calledWith('some-module'));
});
});
</script>