AG-20095 Fix 'trusted-set-cookie-reload' — website is not reloaded if…

… '$now$' value is used. #291 Squashed commit of the following: commit 67987c5 Author: Slava Leleka <v.leleka@adguard.com> Date: Fri Apr 28 17:21:53 2023 +0300 fix changelog link commit c9679ed Author: Adam Wróblewski <adam@adguard.com> Date: Fri Apr 28 16:10:29 2023 +0200 Remove unnecessary tests Use toBeTruthy() instead of toBe(true) in tests Add better comment about path in clearCookie function Move fix to unreleased section in changelog commit 91abfd2 Author: Adam Wróblewski <adam@adguard.com> Date: Fri Apr 28 15:05:31 2023 +0200 Add information about jest to readme Mock console.trace to fix errors in jest tests commit c5c53db Author: Maxim Topciu <mtopciu@adguard.com> Date: Fri Apr 28 15:34:54 2023 +0300 AG-20095 rename test to spec commit c39dbc2 Author: Maxim Topciu <mtopciu@adguard.com> Date: Fri Apr 28 14:14:24 2023 +0300 Add yarn test to package.json commit ecc65f6 Merge: 085a374 402972c Author: Adam Wróblewski <adam@adguard.com> Date: Fri Apr 28 13:13:22 2023 +0200 Merge branch 'master' into fix/AG-20095 commit 085a374 Author: Adam Wróblewski <adam@adguard.com> Date: Thu Apr 27 20:37:50 2023 +0200 Use jest test for trusted-set-cookie-reload Use better approach to check cookie commit 6ac14db Author: Adam Wróblewski <adam@adguard.com> Date: Mon Apr 3 12:01:23 2023 +0200 Fix 'trusted-set-cookie-reload' — website is not reloaded if '$now$' value is used
AdguardTeam · Apr 28, 2023 · 30a951a · 30a951a
1 parent 402972c
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diff --git a/.eslintrc.js b/.eslintrc.js
@@ -12,6 +12,7 @@ module.exports = {
     env: {
         browser: true,
         qunit: true,
+        jest: true,
     },
     rules: {
         'max-len': [
@@ -31,7 +32,14 @@ module.exports = {
         'no-await-in-loop': 0,
         'no-restricted-syntax': 0,
         // jsdoc rules
-        'jsdoc/check-tag-names': ['error', { definedTags: ['scriptlet', 'trustedScriptlet', 'redirect'] }],
+        'jsdoc/check-tag-names': ['error', {
+            definedTags: [
+                'scriptlet',
+                'trustedScriptlet',
+                'redirect',
+                'jest-environment',
+            ],
+        }],
         'jsdoc/tag-lines': 'off',
         'jsdoc/require-jsdoc': 0,
         'jsdoc/require-param': 0,

diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [Unreleased]
+
+### Fixed
+
+- issue with reloading website if `$now$`/`$currentDate$` value is used in `trusted-set-cookie-reload` scriptlet [#291](https://github.com/AdguardTeam/Scriptlets/issues/291)
 
 ## [v1.9.7] - 2023-03-14
 

diff --git a/README.md b/README.md
@@ -536,6 +536,8 @@ Run next command
 yarn browserstack
 ```
 
+Tests run by `jest` should be named `.spec.js`, so they will be not included in the `QUnit` tests.
+
 ### Debugging
 
 Use `debugger;` statement where you need it, run

diff --git a/package.json b/package.json
@@ -5,9 +5,10 @@
     "scripts": {
         "build": "babel-node bundler.js",
         "build-tests": "yarn build && babel-node scripts/build-tests.js",
-        "test": "yarn build-tests && node tests/index.js",
+        "test": "yarn build-tests && node tests/index.js && yarn jest",
         "browserstack": "babel-node scripts/build-tests.js && node browserstack.js",
         "gui-test": "babel-node scripts/build-tests.js && open http://localhost:8585 && node ./tests/server.js",
+        "jest": "jest trusted-set-cookie-reload.spec.js",
         "lint": "eslint .",
         "lint-staged": "lint-staged",
         "prepare": "husky install",
@@ -69,6 +70,8 @@
         "eslint-plugin-jsdoc": "^39.6.4",
         "fs-extra": "^10.0.1",
         "husky": "^8.0.3",
+        "jest": "^29.5.0",
+        "jest-environment-jsdom": "^29.5.0",
         "js-reporters": "^2.1.0",
         "kleur": "^4.1.4",
         "lint-staged": "^12.1.2",

diff --git a/src/scriptlets/trusted-set-cookie-reload.js b/src/scriptlets/trusted-set-cookie-reload.js
@@ -7,6 +7,7 @@ import {
     isValidCookiePath,
     parseKeywordValue,
     getTrustedCookieOffsetMs,
+    parseCookieString,
     // following helpers should be imported and injected
     // because they are used by helpers above
     getCookiePath,
@@ -112,9 +113,14 @@ export function trustedSetCookieReload(source, name, value, offsetExpiresSec = '
     document.cookie = cookieToSet;
     hit(source);
 
+    // Get cookie value, it's required for checking purpose
+    // in case if $now$ or $currentDate$ value is used
+    // https://github.com/AdguardTeam/Scriptlets/issues/291
+    const cookieValueToCheck = parseCookieString(document.cookie)[name];
+
     // Only reload the page if cookie was set
     // https://github.com/AdguardTeam/Scriptlets/issues/212
-    if (isCookieSetWithValue(document.cookie, name, value)) {
+    if (isCookieSetWithValue(document.cookie, name, cookieValueToCheck)) {
         window.location.reload();
     }
 }
@@ -133,5 +139,6 @@ trustedSetCookieReload.injections = [
     isValidCookiePath,
     getTrustedCookieOffsetMs,
     parseKeywordValue,
+    parseCookieString,
     getCookiePath,
 ];
diff --git a/tests/helpers.js b/tests/helpers.js
@@ -68,7 +68,8 @@ export const runRedirect = (name, verbose = true) => {
  * @param {string} cName
  */
 export const clearCookie = (cName) => {
-    document.cookie = `${cName}=; max-age=0`;
+    // Without "path=/;" cookie is not to be re-set with no value
+    document.cookie = `${cName}=; path=/; max-age=0`;
 };
 
 export const isSafariBrowser = () => navigator.vendor === 'Apple Computer, Inc.';
diff --git a/tests/scriptlets/trusted-set-cookie-reload.spec.js b/tests/scriptlets/trusted-set-cookie-reload.spec.js
@@ -0,0 +1,114 @@
+/**
+ * @jest-environment jsdom
+ */
+/* eslint-disable no-underscore-dangle */
+
+import { trustedSetCookieReload } from '../../src/scriptlets/trusted-set-cookie-reload';
+import { parseCookieString } from '../../src/helpers';
+import {
+    clearGlobalProps,
+    clearCookie,
+} from '../helpers';
+
+beforeEach(() => {
+    window.__debug = () => {
+        window.hit = 'FIRED';
+    };
+    Object.defineProperty(window, 'location', {
+        configurable: true,
+        value: {
+            reload:
+                jest.fn(),
+        },
+    });
+
+    // Mocking console.trace() because
+    // it causes errors in tests using jest
+    window.console.trace = jest.fn();
+});
+
+afterEach(() => {
+    clearGlobalProps('hit', '__debug');
+    jest.clearAllMocks();
+});
+
+describe('Test trusted-set-cookie-reload scriptlet', () => {
+    const sourceParams = {
+        name: 'trusted-set-cookie-reload',
+        verbose: true,
+    };
+
+    test('Set cookie with current time value', () => {
+        const cName = '__test-cookie_current_time';
+        const cValue = '$now$';
+        const expiresSec = '';
+        const cPath = '/';
+
+        trustedSetCookieReload(sourceParams, cName, cValue, expiresSec, cPath);
+
+        // Some time will pass between calling scriptlet
+        // and jest running test
+        const tolerance = 125;
+        const cookieValue = parseCookieString(document.cookie)[cName];
+        const currentTime = new Date().getTime();
+        const timeDiff = currentTime - cookieValue;
+
+        expect(timeDiff).toBeLessThan(tolerance);
+        expect(document.cookie.includes(cName)).toBeTruthy();
+        expect(window.location.reload).toHaveBeenCalledTimes(1);
+        expect(window.hit).toBe('FIRED');
+        clearCookie(cName);
+    });
+
+    test('Set cookie with current date value', () => {
+        const cName = '__test-cookie_current_date';
+        const cValue = '$currentDate$';
+        const expiresSec = '';
+        const cPath = '/';
+
+        trustedSetCookieReload(sourceParams, cName, cValue, expiresSec, cPath);
+
+        // Some time will pass between calling scriptlet
+        // and jest running test
+        const cookieValue = parseCookieString(document.cookie)[cName];
+        // Check only day, month and year
+        const currentDate = encodeURIComponent(Date().split(' ', 4).join(' '));
+        const dateDiff = cookieValue.split(' ', 4).join(' ');
+
+        expect(dateDiff.startsWith(currentDate)).toBeTruthy();
+        expect(document.cookie.includes(cName)).toBeTruthy();
+        expect(window.location.reload).toHaveBeenCalledTimes(1);
+        expect(window.hit).toBe('FIRED');
+        clearCookie(cName);
+    });
+
+    test('Set cookie string', () => {
+        const cName = '__test-cookie_OK';
+        const cValue = 'OK';
+        const expiresSec = '';
+        const cPath = '/';
+
+        trustedSetCookieReload(sourceParams, cName, cValue, expiresSec, cPath);
+
+        expect(document.cookie.includes(cName)).toBeTruthy();
+        expect(document.cookie.includes(cValue)).toBeTruthy();
+        expect(window.location.reload).toHaveBeenCalledTimes(1);
+        expect(window.hit).toBe('FIRED');
+        clearCookie(cName);
+    });
+
+    test('Cookie already set, should not reload', () => {
+        const cName = '__test-cookie_set';
+        const cValue = 'test';
+        const expiresSec = '';
+        const cPath = '/';
+
+        document.cookie = `${cName}=${cValue};`;
+
+        trustedSetCookieReload(sourceParams, cName, cValue, expiresSec, cPath);
+
+        expect(window.location.reload).toHaveBeenCalledTimes(0);
+        expect(window.hit).toBe(undefined);
+        clearCookie(cName);
+    });
+});