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Generates production-grade Selenium WebDriver automation scripts and tests in Java, Python, JavaScript, C#, Ruby, or PHP. Supports local execution and TestMu AI cloud with 3000+ browser/OS combinations. Use when the user asks to write Selenium tests, automate with WebDriver, run...
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基于 SOC 职业分类
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| name | selenium-skill |
| description | Generates production-grade Selenium WebDriver automation scripts and tests in Java, Python, JavaScript, C#, Ruby, or PHP. Supports local execution and TestMu AI cloud with 3000+ browser/OS combinations. Use when the user asks to write Selenium tests, automate with WebDriver, run... |
| risk | unknown |
| source | https://github.com/LambdaTest/agent-skills/tree/main/selenium-skill |
| source_repo | LambdaTest/agent-skills |
| source_type | community |
| date_added | 2026-07-01T00:00:00.000Z |
| license | MIT |
| license_source | https://github.com/LambdaTest/agent-skills/blob/main/LICENSE |
Use this skill when you need generates production-grade Selenium WebDriver automation scripts and tests in Java, Python, JavaScript, C#, Ruby, or PHP. Supports local execution and TestMu AI cloud with 3000+ browser/OS combinations. Use when the user asks to write Selenium tests, automate with WebDriver, run...
You are a senior QA automation architect. You write production-grade Selenium WebDriver scripts and tests that run locally or on TestMu AI cloud.
User says "automate" / "test my site"
│
├─ Mentions "cloud", "TestMu", "LambdaTest", "Grid", "cross-browser", "real device"?
│ └─ TestMu AI cloud (RemoteWebDriver)
│
├─ Mentions specific combos (Safari on Windows, old browsers)?
│ └─ Suggest TestMu AI cloud
│
├─ Mentions "locally", "my machine", "ChromeDriver"?
│ └─ Local execution
│
└─ Ambiguous? → Default local, mention cloud for broader coverage
| Signal | Language | Config |
|---|---|---|
| Default / no signal | Java | Maven + JUnit 5 |
| "Python", "pytest", ".py" | Python | pip + pytest |
| "JavaScript", "Node", ".js" | JavaScript | npm + Mocha/Jest |
| "C#", ".NET", "NUnit" | C# | NuGet + NUnit |
| "Ruby", ".rb", "RSpec" | Ruby | gem + RSpec |
| "PHP", "Codeception" | PHP | Composer + PHPUnit |
For non-Java languages → read reference/<language>-patterns.md
| Request Type | Action |
|---|---|
| "Write a test for X" | Single test file, inline setup |
| "Set up Selenium project" | Full project with POM, config, base classes |
| "Fix/debug test" | Read reference/debugging-common-issues.md |
| "Run on cloud" | Read reference/cloud-integration.md |
1. By.id("element-id") ← Most stable
2. By.name("field-name") ← Form elements
3. By.cssSelector(".class") ← Fast, readable
4. By.xpath("//div[@data-testid]") ← Last resort
NEVER use: fragile XPaths like //div[3]/span[2]/a, absolute paths.
// ✅ ALWAYS use explicit waits
WebDriverWait wait = new WebDriverWait(driver, Duration.ofSeconds(10));
WebElement element = wait.until(ExpectedConditions.elementToBeClickable(By.id("submit")));
// ❌ NEVER use Thread.sleep() or implicit waits mixed with explicit
Thread.sleep(3000); // FORBIDDEN
driver.manage().timeouts().implicitlyWait(Duration.ofSeconds(10)); // Don't mix
| Bad | Good | Why |
|---|---|---|
Thread.sleep(5000) | Explicit WebDriverWait | Flaky, slow |
| Implicit + explicit waits | Only explicit waits | Unpredictable timeouts |
driver.findElement() without wait | Wait then find | NoSuchElementException |
| Absolute XPath | Relative CSS/ID | Breaks on DOM changes |
No driver.quit() | Always quit() in finally/teardown | Leaks browsers |
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.By;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.junit.jupiter.api.*;
import java.time.Duration;
public class LoginTest {
private WebDriver driver;
private WebDriverWait wait;
@BeforeEach
void setUp() {
driver = new ChromeDriver();
wait = new WebDriverWait(driver, Duration.ofSeconds(10));
driver.manage().window().maximize();
}
@Test
void testLogin() {
driver.get("https://example.com/login");
wait.until(ExpectedConditions.visibilityOfElementLocated(By.id("username")))
.sendKeys("user@test.com");
driver.findElement(By.id("password")).sendKeys("password123");
driver.findElement(By.cssSelector("button[type='submit']")).click();
wait.until(ExpectedConditions.urlContains("/dashboard"));
Assertions.assertTrue(driver.getTitle().contains("Dashboard"));
}
@AfterEach
void tearDown() {
if (driver != null) driver.quit();
}
}
// pages/LoginPage.java
public class LoginPage {
private WebDriver driver;
private WebDriverWait wait;
private By usernameField = By.id("username");
private By passwordField = By.id("password");
private By submitButton = By.cssSelector("button[type='submit']");
public LoginPage(WebDriver driver) {
this.driver = driver;
this.wait = new WebDriverWait(driver, Duration.ofSeconds(10));
}
public void login(String username, String password) {
wait.until(ExpectedConditions.visibilityOfElementLocated(usernameField))
.sendKeys(username);
driver.findElement(passwordField).sendKeys(password);
driver.findElement(submitButton).click();
}
}
import org.openqa.selenium.remote.RemoteWebDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import java.net.URL;
import java.util.HashMap;
String username = System.getenv("LT_USERNAME");
String accessKey = System.getenv("LT_ACCESS_KEY");
String hub = "https://" + username + ":" + accessKey + "@hub.lambdatest.com/wd/hub";
DesiredCapabilities caps = new DesiredCapabilities();
caps.setCapability("browserName", "Chrome");
caps.setCapability("browserVersion", "latest");
HashMap<String, Object> ltOptions = new HashMap<>();
ltOptions.put("platform", "Windows 11");
ltOptions.put("build", "Selenium Build");
ltOptions.put("name", "My Test");
ltOptions.put("video", true);
ltOptions.put("network", true);
caps.setCapability("LT:Options", ltOptions);
WebDriver driver = new RemoteWebDriver(new URL(hub), caps);
// After test — report to TestMu AI dashboard
((JavascriptExecutor) driver).executeScript(
"lambda-status=" + (testPassed ? "passed" : "failed")
);
| Task | Command/Code |
|---|---|
| Run with Maven | mvn test |
| Run single test | mvn test -Dtest=LoginTest |
| Run with Gradle | ./gradlew test |
| Parallel (TestNG) | <suite parallel="tests" thread-count="5"> |
| Screenshots | ((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE) |
| Actions API | new Actions(driver).moveToElement(el).click().perform() |
| Select dropdown | new Select(driver.findElement(By.id("dropdown"))).selectByValue("1") |
| Handle alert | driver.switchTo().alert().accept() |
| Switch iframe | driver.switchTo().frame("frameName") |
| New tab/window | driver.switchTo().newWindow(WindowType.TAB) |
| File | When to Read |
|---|---|
reference/cloud-integration.md | Cloud/Grid setup, parallel, capabilities |
reference/page-object-model.md | Full POM with base classes, factories |
reference/python-patterns.md | Python + pytest-selenium |
reference/javascript-patterns.md | Node.js + Mocha/Jest |
reference/csharp-patterns.md | C# + NUnit/xUnit |
reference/ruby-patterns.md | Ruby + RSpec/Capybara |
reference/php-patterns.md | PHP + Composer + PHPUnit |
reference/debugging-common-issues.md | Stale elements, timeouts, flaky |
For production-grade patterns, see reference/playbook.md:
| Section | What's Inside |
|---|---|
| §1 DriverFactory | Thread-safe, multi-browser, local + remote, headless CI |
| §2 Config Management | Properties files, env overrides, multi-env support |
| §3 Production BasePage | 20+ helper methods, Shadow DOM, iframe, alerts, Angular/jQuery waits |
| §4 Page Object Example | Full LoginPage extending BasePage with fluent API |
| §5 Smart Waits | FluentWait, retry on stale, stable list wait, custom conditions |
| §6 Data-Driven | CSV, MethodSource, Excel DataProvider (Apache POI) |
| §7 Screenshots | JUnit 5 Extension + TestNG Listener with Allure attachment |
| §8 Allure Reporting | Epic/Feature/Story annotations, step-based reporting |
| §9 CI/CD | GitHub Actions matrix + GitLab CI with Selenium service |
| §10 Parallel | TestNG XML + JUnit 5 parallel properties |
| §11 Advanced Interactions | File download, multi-window, network logs |
| §12 Retry Mechanism | TestNG IRetryAnalyzer for flaky test handling |
| §13 Debugging Table | 11 common exceptions with cause + fix |
| §14 Best Practices | 17-item production checklist |