Do some initial setup for jest and puppeteer for writing tests

The puppeteer.js file works, but need to convert it to better format in jest tests

e2e_tests/google.test.js

@@ -0,0 +1,9 @@
+describe('Google', () => {
+  beforeAll(async () => {
+    await page.goto('https://google.com');
+  });
+
+  it('should be titled "Google"', async () => {
+    await expect(page.title()).resolves.toMatch('Google');
+  });
+});

e2e_tests/puppeteer.js

@@ -0,0 +1,119 @@
+const puppeteer = require('puppeteer');
+
+(async () => {
+  const pathToExtension = require('path').join(__dirname, '../dist');
+  const browser = await puppeteer.launch({
+    headless: 'chrome', // Extensions don't load if headerless=true
+    // headless: false,
+    args: [
+      `--disable-extensions-except=${pathToExtension}`,
+      `--load-extension=${pathToExtension}`,
+    ],
+  });
+  console.log('Browser version: ' + await browser.version());
+
+  // Wait for the extension's service worker to register listeners
+  const serviceWorkerTarget = await browser.waitForTarget(
+      (target) => target.type() === 'service_worker',
+  );
+  const [,, extensionId] = serviceWorkerTarget.url().split('/');
+  console.log('Extension ID: ' + extensionId);
+
+  // Wait for another X seconds to make sure the listeners are fired
+  // TODO: Wait for a specific console.log message?
+  await new Promise((resolve) => setTimeout(resolve, 5000));
+
+  // Test HTTP header modifying
+  const httpPage = await browser.newPage();
+  await httpPage.goto('https://httpbin.org/headers');
+  const headerResult = await httpPage.content();
+  console.log(headerResult.includes('X-Unblock-Youku-Test'));
+
+  // Test the proxy server setup
+  const proxyResult = await httpPage.evaluate(() => {
+    return new Promise((resolve) => {
+      const req = new XMLHttpRequest();
+      req.open('GET',
+          'https://flask-test-iwauxcyxjb.cn-hangzhou.fcapp.run/u673uwaq/true', /* async= */ true);
+      req.onload = () => {
+        if (req.status === 200) {
+          resolve(req.responseText);
+        } else {
+          reject(req);
+        }
+      };
+      req.send();
+    });
+  });
+  // console.log(proxyResult);
+  console.log(proxyResult.includes('true'));
+  httpPage.close();
+
+  // Turn off the extenion, and test again
+  const popupPage = await browser.newPage();
+  await popupPage.goto('chrome-extension://' + extensionId + '/src/popup.html');
+
+  const offButton = await popupPage.waitForSelector('input#input_off');
+  await offButton.click();
+
+  // Wait for another X seconds to make sure the listeners are fired
+  // TODO: Wait for a specific console.log message?
+  await new Promise((resolve) => setTimeout(resolve, 5000));
+
+  const httpPage2 = await browser.newPage();
+  await httpPage2.goto('https://httpbin.org/headers');
+  const headerResult2 = await httpPage2.content();
+  console.log(headerResult2.includes('X-Unblock-Youku-Test'));
+
+  const proxyResult2 = await httpPage2.evaluate(() => {
+    return new Promise((resolve) => {
+      const req = new XMLHttpRequest();
+      req.open('GET',
+          'https://flask-test-iwauxcyxjb.cn-hangzhou.fcapp.run/u673uwaq/true', /* async= */ true);
+      req.onload = () => {
+        if (req.status === 200) {
+          resolve(req.responseText);
+        } else {
+          reject(req);
+        }
+      };
+      req.send();
+    });
+  });
+  console.log(proxyResult2.includes('true'));
+  httpPage2.close();
+
+  // Turn on the extension, and test the third time
+  const onButton = await popupPage.waitForSelector('input#input_normal');
+  await onButton.click();
+
+  // Wait for another X seconds to make sure the listeners are fired
+  // TODO: Wait for a specific console.log message?
+  await new Promise((resolve) => setTimeout(resolve, 5000));
+
+  const httpPage3 = await browser.newPage();
+  await httpPage3.goto('https://httpbin.org/headers');
+
+  const headerResult3 = await httpPage3.content();
+  console.log(headerResult3.includes('X-Unblock-Youku-Test'));
+
+  const proxyResult3 = await httpPage3.evaluate(() => {
+    return new Promise((resolve) => {
+      const req = new XMLHttpRequest();
+      req.open('GET',
+          'https://flask-test-iwauxcyxjb.cn-hangzhou.fcapp.run/u673uwaq/true', /* async= */ true);
+      req.onload = () => {
+        if (req.status === 200) {
+          resolve(req.responseText);
+        } else {
+          reject(req);
+        }
+      };
+      req.send();
+    });
+  });
+  console.log(proxyResult3.includes('true'));
+  httpPage3.close();
+
+  await browser.close();
+})();

jest.config.js

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+/*
+ * For a detailed explanation regarding each configuration property, visit:
+ * https://jestjs.io/docs/configuration
+ */
+
+module.exports = {
+  // All imported modules in your tests should be mocked automatically
+  // automock: false,
+
+  // Stop running tests after `n` failures
+  // bail: 0,
+
+  // The directory where Jest should store its cached dependency information
+  // cacheDirectory: "/private/var/folders/d8/skf_ck6x5595vzyw2xbq4dfh0000gn/T/jest_dx",
+
+  // Automatically clear mock calls, instances, contexts and results before every test
+  // clearMocks: false,
+
+  // Indicates whether the coverage information should be collected while executing the test
+  // collectCoverage: false,
+
+  // An array of glob patterns indicating a set of files for which coverage information should be collected
+  // collectCoverageFrom: undefined,
+
+  // The directory where Jest should output its coverage files
+  // coverageDirectory: undefined,
+
+  // An array of regexp pattern strings used to skip coverage collection
+  // coveragePathIgnorePatterns: [
+  //   "/node_modules/"
+  // ],
+
+  // Indicates which provider should be used to instrument code for coverage
+  coverageProvider: 'v8',
+
+  // A list of reporter names that Jest uses when writing coverage reports
+  // coverageReporters: [
+  //   "json",
+  //   "text",
+  //   "lcov",
+  //   "clover"
+  // ],
+
+  // An object that configures minimum threshold enforcement for coverage results
+  // coverageThreshold: undefined,
+
+  // A path to a custom dependency extractor
+  // dependencyExtractor: undefined,
+
+  // Make calling deprecated APIs throw helpful error messages
+  // errorOnDeprecated: false,
+
+  // The default configuration for fake timers
+  // fakeTimers: {
+  //   "enableGlobally": false
+  // },
+
+  // Force coverage collection from ignored files using an array of glob patterns
+  // forceCoverageMatch: [],
+
+  // A path to a module which exports an async function that is triggered once before all test suites
+  // globalSetup: undefined,
+
+  // A path to a module which exports an async function that is triggered once after all test suites
+  // globalTeardown: undefined,
+
+  // A set of global variables that need to be available in all test environments
+  // globals: {},
+
+  // The maximum amount of workers used to run your tests. Can be specified as % or a number. E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number. maxWorkers: 2 will use a maximum of 2 workers.
+  // maxWorkers: "50%",
+
+  // An array of directory names to be searched recursively up from the requiring module's location
+  // moduleDirectories: [
+  //   "node_modules"
+  // ],
+
+  // An array of file extensions your modules use
+  // moduleFileExtensions: [
+  //   "js",
+  //   "mjs",
+  //   "cjs",
+  //   "jsx",
+  //   "ts",
+  //   "tsx",
+  //   "json",
+  //   "node"
+  // ],
+
+  // A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
+  // moduleNameMapper: {},
+
+  // An array of regexp pattern strings, matched against all module paths before considered 'visible' to the module loader
+  // modulePathIgnorePatterns: [],
+
+  // Activates notifications for test results
+  // notify: false,
+
+  // An enum that specifies notification mode. Requires { notify: true }
+  // notifyMode: "failure-change",
+
+  // A preset that is used as a base for Jest's configuration
+  // preset: undefined,
+  preset: 'jest-puppeteer',
+
+  // Run tests from one or more projects
+  // projects: undefined,
+
+  // Use this configuration option to add custom reporters to Jest
+  // reporters: undefined,
+
+  // Automatically reset mock state before every test
+  // resetMocks: false,
+
+  // Reset the module registry before running each individual test
+  // resetModules: false,
+
+  // A path to a custom resolver
+  // resolver: undefined,
+
+  // Automatically restore mock state and implementation before every test
+  // restoreMocks: false,
+
+  // The root directory that Jest should scan for tests and modules within
+  // rootDir: undefined,
+
+  // A list of paths to directories that Jest should use to search for files in
+  // roots: [
+  //   "<rootDir>"
+  // ],
+
+  // Allows you to use a custom runner instead of Jest's default test runner
+  // runner: "jest-runner",
+
+  // The paths to modules that run some code to configure or set up the testing environment before each test
+  // setupFiles: [],
+
+  // A list of paths to modules that run some code to configure or set up the testing framework before each test
+  // setupFilesAfterEnv: [],
+
+  // The number of seconds after which a test is considered as slow and reported as such in the results.
+  // slowTestThreshold: 5,
+
+  // A list of paths to snapshot serializer modules Jest should use for snapshot testing
+  // snapshotSerializers: [],
+
+  // The test environment that will be used for testing
+  // testEnvironment: "jest-environment-node",
+
+  // Options that will be passed to the testEnvironment
+  // testEnvironmentOptions: {},
+
+  // Adds a location field to test results
+  // testLocationInResults: false,
+
+  // The glob patterns Jest uses to detect test files
+  // testMatch: [
+  //   "**/__tests__/**/*.[jt]s?(x)",
+  //   "**/?(*.)+(spec|test).[tj]s?(x)"
+  // ],
+
+  // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
+  // testPathIgnorePatterns: [
+  //   "/node_modules/"
+  // ],
+
+  // The regexp pattern or array of patterns that Jest uses to detect test files
+  // testRegex: [],
+
+  // This option allows the use of a custom results processor
+  // testResultsProcessor: undefined,
+
+  // This option allows use of a custom test runner
+  // testRunner: "jest-circus/runner",
+
+  // A map from regular expressions to paths to transformers
+  // transform: undefined,
+
+  // An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
+  // transformIgnorePatterns: [
+  //   "/node_modules/",
+  //   "\\.pnp\\.[^\\/]+$"
+  // ],
+
+  // An array of regexp pattern strings that are matched against all modules before the module loader will automatically return a mock for them
+  // unmockedModulePathPatterns: undefined,
+
+  // Indicates whether each individual test should be reported during the run
+  // verbose: undefined,
+
+  // An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
+  // watchPathIgnorePatterns: [],
+
+  // Whether to use watchman for file crawling
+  // watchman: true,
+};