Add code examples for "Opening a New Tab Using Selenium WebDriver in Java" (#14001)

Add code examples for "Opening a New Tab Using Selenium WebDriver in Java"

testing-modules/selenium-junit-testng/src/test/java/com/baeldung/selenium/tabs/SeleniumOpenNewTabIntegrationTest.java

@@ -0,0 +1,53 @@
+package com.baeldung.selenium.tabs;
+
+import io.github.bonigarcia.wdm.WebDriverManager;
+import org.openqa.selenium.JavascriptExecutor;
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WindowType;
+import org.openqa.selenium.chrome.ChromeDriver;
+import org.openqa.selenium.support.ui.ExpectedConditions;
+import org.openqa.selenium.support.ui.WebDriverWait;
+import org.testng.annotations.AfterMethod;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import java.time.Duration;
+
+public class SeleniumOpenNewTabIntegrationTest {
+
+    private WebDriver driver;
+    private static final int TIMEOUT = 10;
+    private static final int EXPECTED_TABS_COUNT = 2;
+
+    @BeforeMethod
+    public void initDriver() {
+        WebDriverManager.chromedriver().setup();
+        driver = new ChromeDriver();
+    }
+
+    @Test
+    public void whenUseTabsApiOpenWindow_thenNewTabOpened() {
+        driver.switchTo().newWindow(WindowType.TAB);
+        waitTabsCount(EXPECTED_TABS_COUNT);
+    }
+
+    @Test
+    public void whenExecuteOpenWindowJsScript_thenNewTabOpened() {
+        ((JavascriptExecutor) driver).executeScript("window.open()");
+        waitTabsCount(EXPECTED_TABS_COUNT);
+    }
+
+
+    @AfterMethod
+    public void closeBrowser() {
+        driver.quit();
+    }
+
+
+    private void waitTabsCount(int tabsCount) {
+        new WebDriverWait(driver, Duration.ofSeconds(TIMEOUT))
+                .withMessage("Tabs count should be: " + tabsCount)
+                .until(ExpectedConditions.numberOfWindowsToBe(tabsCount));
+    }
+
+}