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-rw-r--r--test/test-workers.js102
1 files changed, 102 insertions, 0 deletions
diff --git a/test/test-workers.js b/test/test-workers.js
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+++ b/test/test-workers.js
@@ -0,0 +1,102 @@
+/*
+ * 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');
+
+
+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 main() {
+ try {
+ testServiceWorker();
+ } catch (e) {
+ console.error(e);
+ process.exit(-1);
+ return;
+ }
+ process.exit(0);
+}
+
+
+if (require.main === module) { main(); }