[java] support installing temporary addon in Firefox

Author: titusfortner

java/src/org/openqa/selenium/firefox/AddHasExtensions.java

@@ -67,7 +67,13 @@ public HasExtensions getImplementation(Capabilities capabilities, ExecuteMethod
     return new HasExtensions() {
       @Override
       public String installExtension(Path path) {
+        return installExtension(path, false);
+      }
+
+      @Override
+      public String installExtension(Path path, Boolean temporary) {
         Require.nonNull("Extension Path", path);
+        Require.nonNull("Temporary", temporary);
 
         String encoded;
         try {
@@ -78,7 +84,7 @@ public String installExtension(Path path) {
 
         return (String) executeMethod.execute(
           INSTALL_EXTENSION,
-          ImmutableMap.of("addon", encoded, "temporary", false));
+          ImmutableMap.of("addon", encoded, "temporary", temporary));
       }
 
       @Override

java/src/org/openqa/selenium/firefox/FirefoxDriver.java

@@ -269,6 +269,13 @@ public String installExtension(Path path) {
     return extensions.installExtension(path);
   }
 
+  @Override
+  public String installExtension(Path path, Boolean temporary) {
+    Require.nonNull("Path", path);
+    Require.nonNull("Temporary", temporary);
+    return extensions.installExtension(path, temporary);
+  }
+
   @Override
   public void uninstallExtension(String extensionId) {
     Require.nonNull("Extension ID", extensionId);

java/src/org/openqa/selenium/firefox/HasExtensions.java

@@ -35,6 +35,8 @@ public interface HasExtensions {
    */
   String installExtension(Path path);
 
+  String installExtension(Path path, Boolean temporary);
+
   /**
    * Uninstall the extension by the given identifier.
    * This value can be found in the extension's manifest, and typically ends with "@mozilla.org".

java/test/org/openqa/selenium/firefox/FirefoxDriverTest.java

@@ -512,6 +512,20 @@ public void canAddRemoveExtensions() {
     }
   }
 
+  @Test
+  public void canAddRemoveTempExtensions() {
+    Path extension = InProject.locate("third_party/firebug/favourite_colour-1.1-an+fx.xpi");
+
+    String id = ((HasExtensions) driver).installExtension(extension, true);
+    assertThat(id).isEqualTo("favourite-colour-examples@mozilla.org");
+
+    try {
+      ((HasExtensions) driver).uninstallExtension(id);
+    } catch (WebDriverException ex) {
+      fail(ex.getMessage());
+    }
+  }
+
   @Test
   public void canTakeFullPageScreenshot() {
     File tempFile = ((HasFullPageScreenshot) driver).getFullPageScreenshotAs(OutputType.FILE);