Add Jest sample for Selenium load testing

.gitignore

@@ -2,3 +2,7 @@
 **/log
 **/browserstack-cli
 **/.DS_Store
+**/node_modules/
+**/package-lock.json
+**/yarn.lock
+**/pnpm-lock.yaml

jest/README.md

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+# browserstack-selenium-load-testing-sample
+
+![BrowserStack Logo](https://d98b8t1nnulk5.cloudfront.net/production/images/layout/logo-header.png?1469004780)
+
+## Getting Started
+
+### Run Sample Build
+
+1. **Clone the repository**
+
+   ```sh
+   git clone https://github.com/browserstack/browserstack-selenium-load-testing-sample.git
+   cd browserstack-selenium-load-testing-sample
+   cd jest
+   ```
+
+2. **Install Node dependencies**
+
+   ```sh
+   npm install
+   ```
+
+3. **Install BrowserStack CLI**
+
+   Download the appropriate BrowserStack CLI binary based on your operating system:
+
+   - **macOS x86**  
+     [browserstack-cli-macOS-x86](https://load-api.browserstack.com/api/v1/binary?os=macos&arch=x64)
+
+   - **macOS ARM**  
+     [browserstack-cli-macOS-arm](https://load-api.browserstack.com/api/v1/binary?os=macos&arch=arm64)
+
+   - **Windows x86**  
+     [browserstack-cli-windows](https://load-api.browserstack.com/api/v1/binary?os=win&arch=x64)
+
+   - **Linux x86**  
+     [browserstack-cli-linux-x86](https://load-api.browserstack.com/api/v1/binary?os=linux&arch=arm64)
+
+   - **Linux ARM**  
+     [browserstack-cli-linux-arm](https://load-api.browserstack.com/api/v1/binary?os=linux&arch=x64)
+
+   > Place the downloaded `browserstack-cli` binary in the root of your project.
+
+4. **Run tests using BrowserStack CLI**
+
+   ```sh
+   ./browserstack-cli load run
+   ```
+
+5. **View Test Results**
+
+   Visit the [BrowserStack Load-Testing Dashboard](https://load.browserstack.com/projects) to monitor and analyze your test runs.
+
+---

jest/browserstack-load.yml

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+# =============================
+# Set BrowserStack Credentials
+# =============================
+# Add your BrowserStack userName and accessKey here or set BROWSERSTACK_USERNAME and BROWSERSTACK_ACCESS_KEY as env variables.
+userName: BROWSERSTACK_USERNAME
+accessKey: BROWSERSTACK_ACCESS_KEY
+
+# ======================
+# BrowserStack Reporting
+# ======================
+# The following parameters are used to set up reporting on BrowserStack Load Testing:
+# Set 'projectName' to the name of your project. Example: 'Product ABC'. Tests under the same projectName will be grouped together.
+projectName: Default Project
+
+# Set 'testName' to the name of your test. Example: 'First Load Test'. Test runs with the same testName will be grouped together.
+testName: Default Test
+
+# ======================
+# Set Load Configuration
+# ======================
+# The following parameters are used to set load configuration for your test:
+# Set 'testType' to the type of load test that you want to execute. Example:'Playwright', 'Selenium'. This is a required parameter.
+testType: Selenium
+
+# Set 'vus' to the maximum number of virtual users to simulate during the test.
+vus: 1
+
+# Set 'duration' to the total duration of the entire test, in minutes and seconds. The test will run infinite iterations until the duration is met. Example: '2m', '3m 40s'. This is not a required parameter.
+duration: 1m
+
+# Set multiple regions from which you would want to generate the load (percent should total 100 across all loadzones).
+regions:
+  - loadzone: us-east-1
+    percent: 100
+
+# Set language to the programming language used in your project. Example: 'java', 'nodejs'.
+language: nodejs
+
+# Set framework to the test framework used in your Selenium project.
+framework: jest
+
+# Add list of file paths under 'dependencies' to help set up the test environment by installing required packages. Example: path to 'pom.xml' for Java projects using Maven, path to 'package.json' for Node.js projects.
+# Add list of file paths under 'testConfigs' to define which configuration files should be used to run tests. Example: path to 'playwright.config.ts' for Playwright (Node.js), path to 'testng.xml' for Selenium (TestNG).
+files:
+  dependencies:
+    - ./package.json
+  testConfigs:
+    - ./jest.config.js

jest/jest.config.js

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+// Jest runs with --runInBand on BrowserStack so the single Selenium session
+// per pod is never contended. testEnvironment must be "node" — Jest drives a
+// remote WebDriver, not the in-process DOM.
+module.exports = {
+  testEnvironment: "node",
+  testMatch: ["**/tests/**/*.test.js", "**/?(*.)+(spec|test).js"],
+  testTimeout: 120000,
+};

jest/package.json

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+{
+  "name": "browserstack-jest-load-testing-sample",
+  "version": "1.0.0",
+  "private": true,
+  "description": "Sample Jest + selenium-webdriver project for BrowserStack Load Testing",
+  "scripts": {
+    "test": "jest --runInBand --passWithNoTests=false"
+  },
+  "dependencies": {
+    "jest": "^29.7.0",
+    "selenium-webdriver": "^4.21.0"
+  }
+}

jest/tests/add-to-cart.test.js

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+const { Builder, By, until } = require("selenium-webdriver");
+
+// On BrowserStack Load Testing, the Selenium pod exposes a hub at
+// http://localhost:4444/wd/hub. A plain `forBrowser("chrome").build()`
+// would try to spawn a local browser the pod does not have.
+const HUB_URL = "http://localhost:4444/wd/hub";
+
+describe("BStackDemo test add to cart", () => {
+  let driver;
+
+  beforeAll(async () => {
+    driver = await new Builder()
+      .usingServer(HUB_URL)
+      .forBrowser("chrome")
+      .build();
+  });
+
+  afterAll(async () => {
+    if (driver) await driver.quit();
+  });
+
+  test("should add product to cart successfully", async () => {
+    // visit the site
+    await driver.get("https://bstackdemo.com/");
+
+    // get name of product we want to add to cart
+    const productNameElem = await driver.wait(
+      until.elementLocated(By.xpath("//*[@id='3']/p")),
+      10000,
+    );
+    await driver.wait(until.elementIsVisible(productNameElem), 10000);
+    const productToAdd = (await productNameElem.getText()).trim();
+
+    // click on add to cart
+    const addToCartBtn = await driver.findElement(
+      By.css("#\\33  > .shelf-item__buy-btn"),
+    );
+    await addToCartBtn.click();
+
+    // get name of item in cart
+    const productInCartElem = await driver.wait(
+      until.elementLocated(
+        By.css(
+          ".float-cart.float-cart--open .float-cart__shelf-container .shelf-item__details p.title",
+        ),
+      ),
+      10000,
+    );
+    await driver.wait(until.elementIsVisible(productInCartElem), 10000);
+    const productInCart = (await productInCartElem.getText()).trim();
+
+    // check if product in cart is same as one added
+    expect(productInCart).toBe(productToAdd);
+  });
+});

jest/tests/checkout.test.js

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+const { Builder, By, until } = require("selenium-webdriver");
+
+// On BrowserStack Load Testing, the Selenium pod exposes a hub at
+// http://localhost:4444/wd/hub. A plain `forBrowser("chrome").build()`
+// would try to spawn a local browser the pod does not have.
+const HUB_URL = "http://localhost:4444/wd/hub";
+const WAIT_MS = 10000;
+
+const waitForClickable = async (driver, locator) => {
+  const el = await driver.wait(until.elementLocated(locator), WAIT_MS);
+  await driver.wait(until.elementIsVisible(el), WAIT_MS);
+  await driver.wait(until.elementIsEnabled(el), WAIT_MS);
+  return el;
+};
+
+const click = async (driver, locator) => {
+  const el = await waitForClickable(driver, locator);
+  await el.click();
+};
+
+const type = async (driver, locator, text) => {
+  const el = await waitForClickable(driver, locator);
+  await el.sendKeys(text);
+};
+
+describe("BStackDemo test checkout flow", () => {
+  let driver;
+
+  beforeAll(async () => {
+    driver = await new Builder()
+      .usingServer(HUB_URL)
+      .forBrowser("chrome")
+      .build();
+    // Implicit wait so findElement polls instead of failing the moment a
+    // React modal/transition hasn't painted yet.
+    await driver.manage().setTimeouts({ implicit: WAIT_MS });
+  });
+
+  afterAll(async () => {
+    if (driver) await driver.quit();
+  });
+
+  test("should complete checkout flow successfully", async () => {
+    // visit the site
+    await driver.get("https://bstackdemo.com/");
+
+    // sign in
+    await click(driver, By.id("signin"));
+    await click(driver, By.css("#username svg"));
+    await click(driver, By.id("react-select-2-option-0-0"));
+    await click(driver, By.css("#password svg"));
+    await click(driver, By.id("react-select-3-option-0-0"));
+    await click(driver, By.id("login-btn"));
+
+    // click first item
+    await click(driver, By.css("#\\31  > .shelf-item__buy-btn"));
+
+    // cart overlay opens
+    await driver.wait(
+      until.elementLocated(By.css(".float-cart.float-cart--open")),
+      WAIT_MS,
+    );
+
+    // close cart (best-effort)
+    try {
+      await click(driver, By.css(".float-cart__close-btn"));
+    } catch (e) {
+      console.log("[WARN] Could not close cart overlay:", e.message);
+    }
+
+    // click second item
+    await click(driver, By.css("#\\32  > .shelf-item__buy-btn"));
+
+    // proceed to checkout
+    await click(driver, By.css(".buy-btn"));
+
+    // add address details
+    await type(driver, By.id("firstNameInput"), "first");
+    await type(driver, By.id("lastNameInput"), "last");
+    await type(driver, By.id("addressLine1Input"), "address");
+    await type(driver, By.id("provinceInput"), "province");
+    await type(driver, By.id("postCodeInput"), "pincode");
+
+    // checkout
+    await click(driver, By.id("checkout-shipping-continue"));
+
+    // continue shopping confirmation
+    await click(
+      driver,
+      By.xpath("//*[@id='checkout-app']/div/div/div/div/a/button"),
+    );
+
+    // navigate to orders
+    await click(driver, By.xpath("//*[text()='Orders']"));
+
+    expect(true).toBe(true);
+  });
+});