Add OAuth PKCE Selenium test automation with test seam pattern

pom.xml

@@ -17,6 +17,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
     <!-- test properties -->
+    <!-- For OAuth rollout testing, modify default user (put in username), endpoint (your url for env) and password manually or via script -->
     <test.endpoint>https://testendpoint</test.endpoint>
     <test.user.default>[email protected]</test.user.default>
     <test.user.restricted>[email protected]</test.user.restricted>
@@ -177,6 +178,19 @@
       <version>5.18.0</version>
       <scope>test</scope>
     </dependency>
+    <!-- Selenium WebDriver for OAuth testing -->
+    <dependency>
+      <groupId>org.seleniumhq.selenium</groupId>
+      <artifactId>selenium-java</artifactId>
+      <version>4.15.0</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.seleniumhq.selenium</groupId>
+      <artifactId>selenium-chrome-driver</artifactId>
+      <version>4.15.0</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <repositories>
@@ -607,6 +621,11 @@
             <phase>verify</phase>
             <configuration>
               <skipTests>!${skip-unit-tests}</skipTests>
+              <systemPropertyVariables>
+                <test.endpoint>${test.endpoint}</test.endpoint>
+                <test.user.default>${test.user.default}</test.user.default>
+                <test.password>${test.password}</test.password>
+              </systemPropertyVariables>
               <excludes>
                 <exclude>**/action/**,
                                     **/dao/**,

src/main/java/com/salesforce/dataloader/ui/URLUtil.java

@@ -34,7 +34,36 @@
 
 public class URLUtil {
     private static Logger logger = DLLogManager.getLogger(URLUtil.class);
+    private static volatile UrlOpener testHook = null;
+
+    /**
+     * Set a test hook for URL opening (used by tests to inject Selenium).
+     * @param opener The UrlOpener implementation to use for tests
+     */
+    public static void setTestHook(UrlOpener opener) {
+        testHook = opener;
+    }
+
+    /**
+     * Clear the test hook to restore normal URL opening behavior.
+     */
+    public static void clearTestHook() {
+        testHook = null;
+    }
+
     public static void openURL(String url) {
+        // Check for test hook first
+        if (testHook != null) {
+            try {
+                logger.debug("Using test hook for URL opening: " + url);
+                testHook.open(url);
+                return;
+            } catch (Exception e) {
+                logger.warn("Test hook failed, falling back to default behavior: " + e.getMessage());
+            }
+        }
+
+        // Default production behavior
         if (Desktop.isDesktopSupported()) {
             Desktop desktop = Desktop.getDesktop();
             try {

src/main/java/com/salesforce/dataloader/ui/UrlOpener.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2015, salesforce.com, inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are permitted provided
+ * that the following conditions are met:
+ *
+ *    Redistributions of source code must retain the above copyright notice, this list of conditions and the
+ *    following disclaimer.
+ *
+ *    Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
+ *    the following disclaimer in the documentation and/or other materials provided with the distribution.
+ *
+ *    Neither the name of salesforce.com, inc. nor the names of its contributors may be used to endorse or
+ *    promote products derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.salesforce.dataloader.ui;
+
+/**
+ * Interface for opening URLs, allowing test seams for browser automation.
+ * Production uses Desktop.browse(), tests can inject Selenium WebDriver.
+ */
+public interface UrlOpener {
+    /**
+     * Opens the specified URL.
+     * @param url The URL to open
+     * @throws Exception if the URL cannot be opened
+     */
+    void open(String url) throws Exception;
+}