yomichan/test/test-workers.js
toasted-nutbread 3e350bd563
Dictionary worker refactor (#1894)
* Rename dictionary worker files

* Rename classes

* Rename file

* Rename class

* Generalize the _invoke method

* Rename 'import' to 'importDictionary'

* Improve DictionaryImporterMediaLoader usage

* Refactor message handler

* Generalize onProgress event
2021-08-14 11:46:26 -04:00

137 lines
4.1 KiB
JavaScript

/*
* Copyright (C) 2020-2021 Yomichan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
const fs = require('fs');
const path = require('path');
const {JSDOM} = require('jsdom');
const {VM} = require('../dev/vm');
const assert = require('assert');
class StubClass {
prepare() {
// NOP
}
}
function loadEslint() {
return JSON.parse(fs.readFileSync(path.join(__dirname, '..', '.eslintrc.json'), {encoding: 'utf8'}));
}
function filterScriptPaths(scriptPaths) {
const extDirName = 'ext';
return scriptPaths.filter((src) => !src.startsWith('/lib/')).map((src) => `${extDirName}${src}`);
}
function getAllHtmlScriptPaths(fileName) {
const domSource = fs.readFileSync(fileName, {encoding: 'utf8'});
const dom = new JSDOM(domSource);
const {window} = dom;
const {document} = window;
try {
const scripts = document.querySelectorAll('script');
return [...scripts].map(({src}) => src);
} finally {
window.close();
}
}
function convertBackgroundScriptsToServiceWorkerScripts(scripts) {
// Use parse5-based SimpleDOMParser
scripts.splice(0, 0, '/lib/parse5.js');
const index = scripts.indexOf('/js/dom/native-simple-dom-parser.js');
assert.ok(index >= 0);
scripts[index] = '/js/dom/simple-dom-parser.js';
}
function getImportedScripts(scriptPath, fields) {
const importedScripts = [];
const importScripts = (...scripts) => {
importedScripts.push(...scripts);
};
const vm = new VM(Object.assign({importScripts}, fields));
vm.context.self = vm.context;
vm.execute([scriptPath]);
return importedScripts;
}
function testServiceWorker() {
// Verify that sw.js scripts match background.html scripts
const extDir = path.join(__dirname, '..', 'ext');
const scripts = getAllHtmlScriptPaths(path.join(extDir, 'background.html'));
convertBackgroundScriptsToServiceWorkerScripts(scripts);
const importedScripts = getImportedScripts('sw.js', {});
assert.deepStrictEqual(scripts, importedScripts);
// Verify that eslint config lists files correctly
const expectedSwRulesFiles = filterScriptPaths(scripts);
const eslintConfig = loadEslint();
const swRules = eslintConfig.overrides.find((item) => (
typeof item.env === 'object' &&
item.env !== null &&
item.env.serviceworker === true
));
assert.ok(typeof swRules !== 'undefined');
assert.ok(Array.isArray(swRules.files));
assert.deepStrictEqual(swRules.files, expectedSwRulesFiles);
}
function testWorkers() {
testWorker(
'js/language/dictionary-worker-main.js',
{DictionaryWorker: StubClass}
);
}
function testWorker(scriptPath, fields) {
// Get script paths
const scripts = getImportedScripts(scriptPath, fields);
// Verify that eslint config lists files correctly
const expectedRulesFiles = filterScriptPaths(scripts);
const expectedRulesFilesSet = new Set(expectedRulesFiles);
const eslintConfig = loadEslint();
const rules = eslintConfig.overrides.find((item) => (
typeof item.env === 'object' &&
item.env !== null &&
item.env.worker === true
));
assert.ok(typeof rules !== 'undefined');
assert.ok(Array.isArray(rules.files));
assert.deepStrictEqual(rules.files.filter((v) => expectedRulesFilesSet.has(v)), expectedRulesFiles);
}
function main() {
try {
testServiceWorker();
testWorkers();
} catch (e) {
console.error(e);
process.exit(-1);
return;
}
process.exit(0);
}
if (require.main === module) { main(); }