[feature] add method RemoteWebDriver.isDownloadsEnabled() (SeleniumHQ#15868)

Co-authored-by: Diego Molina <[email protected]>

Author: asolntsev

java/src/org/openqa/selenium/HasDownloads.java

@@ -33,13 +33,23 @@ public interface HasDownloads {
    * @throws WebDriverException if capability to enable downloads is not set
    */
   default void requireDownloadsEnabled(Capabilities capabilities) {
-    boolean downloadsEnabled = capabilities.is("se:downloadsEnabled");
-    if (!downloadsEnabled) {
+    if (!isDownloadsEnabled(capabilities)) {
       throw new WebDriverException(
           "You must enable downloads in order to work with downloadable files.");
     }
   }
 
+  /**
+   * Checks if downloads are enabled
+   *
+   * @return true if this webdriver has capability "se:downloadsEnabled" = true
+   */
+  boolean isDownloadsEnabled();
+
+  static boolean isDownloadsEnabled(Capabilities capabilities) {
+    return capabilities.is("se:downloadsEnabled");
+  }
+
   /**
    * Gets the downloadable files.
    *

java/src/org/openqa/selenium/remote/RemoteWebDriver.java

@@ -649,6 +649,11 @@ public void removeVirtualAuthenticator(VirtualAuthenticator authenticator) {
         Map.of("authenticatorId", authenticator.getId()));
   }
 
+  @Override
+  public boolean isDownloadsEnabled() {
+    return HasDownloads.isDownloadsEnabled(capabilities);
+  }
+
   /**
    * Retrieves the names of the downloadable files.
    *