diff --git a/src/applications/differential/herald/HeraldDifferentialRevisionAdapter.php b/src/applications/differential/herald/HeraldDifferentialRevisionAdapter.php
--- a/src/applications/differential/herald/HeraldDifferentialRevisionAdapter.php
+++ b/src/applications/differential/herald/HeraldDifferentialRevisionAdapter.php
@@ -20,6 +20,21 @@
     return new DifferentialRevision();
   }
 
+  public function isTestAdapterForObject($object) {
+    return ($object instanceof DifferentialRevision);
+  }
+
+  public function getAdapterTestDescription() {
+    return pht(
+      'Test rules which run when a revision is created or updated.');
+  }
+
+  public function newTestAdapter($object) {
+    return self::newLegacyAdapter(
+      $object,
+      $object->loadActiveDiff());
+  }
+
   protected function initializeNewAdapter() {
     $this->revision = $this->newObject();
   }
diff --git a/src/applications/diffusion/herald/HeraldCommitAdapter.php b/src/applications/diffusion/herald/HeraldCommitAdapter.php
--- a/src/applications/diffusion/herald/HeraldCommitAdapter.php
+++ b/src/applications/diffusion/herald/HeraldCommitAdapter.php
@@ -27,10 +27,24 @@
     return new PhabricatorRepositoryCommit();
   }
 
+  public function isTestAdapterForObject($object) {
+    return ($object instanceof PhabricatorRepositoryCommit);
+  }
+
+  public function getAdapterTestDescription() {
+    return pht(
+      'Test rules which run after a commit is discovered and imported.');
+  }
+
   protected function initializeNewAdapter() {
     $this->commit = $this->newObject();
   }
 
+  public function setObject($object) {
+    $this->commit = $object;
+    return $this;
+  }
+
   public function getObject() {
     return $this->commit;
   }
diff --git a/src/applications/diffusion/herald/HeraldPreCommitAdapter.php b/src/applications/diffusion/herald/HeraldPreCommitAdapter.php
--- a/src/applications/diffusion/herald/HeraldPreCommitAdapter.php
+++ b/src/applications/diffusion/herald/HeraldPreCommitAdapter.php
@@ -25,6 +25,20 @@
     return 'PhabricatorDiffusionApplication';
   }
 
+  public function isTestAdapterForObject($object) {
+    return ($object instanceof PhabricatorRepositoryCommit);
+  }
+
+  public function canCreateTestAdapterForObject($object) {
+    return false;
+  }
+
+  public function getAdapterTestDescription() {
+    return pht(
+      'Commit hook events depend on repository state which is only available '.
+      'at push time, and can not be run in test mode.');
+  }
+
   protected function initializeNewAdapter() {
     $this->log = new PhabricatorRepositoryPushLog();
   }
diff --git a/src/applications/herald/adapter/HeraldAdapter.php b/src/applications/herald/adapter/HeraldAdapter.php
--- a/src/applications/herald/adapter/HeraldAdapter.php
+++ b/src/applications/herald/adapter/HeraldAdapter.php
@@ -189,7 +189,6 @@
   abstract public function getAdapterApplicationClass();
   abstract public function getObject();
 
-
   /**
    * Return a new characteristic object for this adapter.
    *
@@ -217,6 +216,23 @@
     return false;
   }
 
+  public function isTestAdapterForObject($object) {
+    return false;
+  }
+
+  public function canCreateTestAdapterForObject($object) {
+    return $this->isTestAdapterForObject($object);
+  }
+
+  public function newTestAdapter($object) {
+    return id(clone $this)
+      ->setObject($object);
+  }
+
+  public function getAdapterTestDescription() {
+    return null;
+  }
+
   public function explainValidTriggerObjects() {
     return pht('This adapter can not trigger on objects.');
   }
diff --git a/src/applications/herald/controller/HeraldTestConsoleController.php b/src/applications/herald/controller/HeraldTestConsoleController.php
--- a/src/applications/herald/controller/HeraldTestConsoleController.php
+++ b/src/applications/herald/controller/HeraldTestConsoleController.php
@@ -2,14 +2,76 @@
 
 final class HeraldTestConsoleController extends HeraldController {
 
+  private $testObject;
+  private $testAdapter;
+
+  public function setTestObject($test_object) {
+    $this->testObject = $test_object;
+    return $this;
+  }
+
+  public function getTestObject() {
+    return $this->testObject;
+  }
+
+  public function setTestAdapter(HeraldAdapter $test_adapter) {
+    $this->testAdapter = $test_adapter;
+    return $this;
+  }
+
+  public function getTestAdapter() {
+    return $this->testAdapter;
+  }
+
   public function handleRequest(AphrontRequest $request) {
     $viewer = $request->getViewer();
-    $object_name = trim($request->getStr('object_name'));
+
+    $response = $this->loadTestObject($request);
+    if ($response) {
+      return $response;
+    }
+
+    $response = $this->loadAdapter($request);
+    if ($response) {
+      return $response;
+    }
+
+    $object = $this->getTestObject();
+    $adapter = $this->getTestAdapter();
+
+    $adapter->setIsNewObject(false);
+
+    $rules = id(new HeraldRuleQuery())
+      ->setViewer($viewer)
+      ->withContentTypes(array($adapter->getAdapterContentType()))
+      ->withDisabled(false)
+      ->needConditionsAndActions(true)
+      ->needAppliedToPHIDs(array($object->getPHID()))
+      ->needValidateAuthors(true)
+      ->execute();
+
+    $engine = id(new HeraldEngine())
+      ->setDryRun(true);
+
+    $effects = $engine->applyRules($rules, $adapter);
+    $engine->applyEffects($effects, $adapter, $rules);
+
+    $xscript = $engine->getTranscript();
+
+    return id(new AphrontRedirectResponse())
+      ->setURI('/herald/transcript/'.$xscript->getID().'/');
+  }
+
+  private function loadTestObject(AphrontRequest $request) {
+    $viewer = $this->getViewer();
 
     $e_name = true;
+    $v_name = null;
     $errors = array();
+
     if ($request->isFormPost()) {
-      if (!$object_name) {
+      $v_name = trim($request->getStr('object_name'));
+      if (!$v_name) {
         $e_name = pht('Required');
         $errors[] = pht('An object name is required.');
       }
@@ -17,66 +79,18 @@
       if (!$errors) {
         $object = id(new PhabricatorObjectQuery())
           ->setViewer($viewer)
-          ->withNames(array($object_name))
+          ->withNames(array($v_name))
           ->executeOne();
 
         if (!$object) {
           $e_name = pht('Invalid');
           $errors[] = pht('No object exists with that name.');
         }
+      }
 
-        if (!$errors) {
-
-          // TODO: Let the adapters claim objects instead.
-
-          if ($object instanceof DifferentialRevision) {
-            $adapter = HeraldDifferentialRevisionAdapter::newLegacyAdapter(
-              $object,
-              $object->loadActiveDiff());
-          } else if ($object instanceof PhabricatorRepositoryCommit) {
-            $adapter = id(new HeraldCommitAdapter())
-              ->setCommit($object);
-          } else if ($object instanceof ManiphestTask) {
-            $adapter = id(new HeraldManiphestTaskAdapter())
-              ->setTask($object);
-          } else if ($object instanceof PholioMock) {
-            $adapter = id(new HeraldPholioMockAdapter())
-              ->setMock($object);
-          } else if ($object instanceof PhrictionDocument) {
-            $adapter = id(new PhrictionDocumentHeraldAdapter())
-              ->setDocument($object);
-          } else if ($object instanceof PonderQuestion) {
-            $adapter = id(new HeraldPonderQuestionAdapter())
-              ->setQuestion($object);
-          } else if ($object instanceof PhabricatorMetaMTAMail) {
-            $adapter = id(new PhabricatorMailOutboundMailHeraldAdapter())
-              ->setObject($object);
-          } else {
-            throw new Exception(pht('Can not build adapter for object!'));
-          }
-
-          $adapter->setIsNewObject(false);
-
-          $rules = id(new HeraldRuleQuery())
-            ->setViewer($viewer)
-            ->withContentTypes(array($adapter->getAdapterContentType()))
-            ->withDisabled(false)
-            ->needConditionsAndActions(true)
-            ->needAppliedToPHIDs(array($object->getPHID()))
-            ->needValidateAuthors(true)
-            ->execute();
-
-          $engine = id(new HeraldEngine())
-            ->setDryRun(true);
-
-          $effects = $engine->applyRules($rules, $adapter);
-          $engine->applyEffects($effects, $adapter, $rules);
-
-          $xscript = $engine->getTranscript();
-
-          return id(new AphrontRedirectResponse())
-            ->setURI('/herald/transcript/'.$xscript->getID().'/');
-        }
+      if (!$errors) {
+        $this->setTestObject($object);
+        return null;
       }
     }
 
@@ -92,11 +106,89 @@
           ->setLabel(pht('Object Name'))
           ->setName('object_name')
           ->setError($e_name)
-          ->setValue($object_name))
+          ->setValue($v_name))
       ->appendChild(
         id(new AphrontFormSubmitControl())
-          ->setValue(pht('Test Rules')));
+          ->setValue(pht('Continue')));
 
+    return $this->buildTestConsoleResponse($form, $errors);
+  }
+
+  private function loadAdapter(AphrontRequest $request) {
+    $viewer = $this->getViewer();
+    $object = $this->getTestObject();
+
+    $adapter_key = $request->getStr('adapter');
+
+    $adapters = HeraldAdapter::getAllAdapters();
+
+    $can_select = array();
+    $display_adapters = array();
+    foreach ($adapters as $key => $adapter) {
+      if (!$adapter->isTestAdapterForObject($object)) {
+        continue;
+      }
+
+      if (!$adapter->isAvailableToUser($viewer)) {
+        continue;
+      }
+
+      $display_adapters[$key] = $adapter;
+
+      if ($adapter->canCreateTestAdapterForObject($object)) {
+        $can_select[$key] = $adapter;
+      }
+    }
+
+    if ($request->isFormPost() && $adapter_key) {
+      if (isset($can_select[$adapter_key])) {
+        $adapter = $can_select[$adapter_key]->newTestAdapter($object);
+        $this->setTestAdapter($adapter);
+        return null;
+      }
+    }
+
+    $form = id(new AphrontFormView())
+      ->addHiddenInput('object_name', $request->getStr('object_name'))
+      ->setViewer($viewer);
+
+    $cancel_uri = $this->getApplicationURI();
+
+    if (!$display_adapters) {
+      $form
+        ->appendRemarkupInstructions(
+          pht('//There are no available Herald events for this object.//'))
+        ->appendControl(
+          id(new AphrontFormSubmitControl())
+            ->addCancelButton($cancel_uri));
+    } else {
+      $adapter_control = id(new AphrontFormRadioButtonControl())
+        ->setLabel(pht('Event'))
+        ->setName('adapter')
+        ->setValue(head_key($can_select));
+
+      foreach ($display_adapters as $adapter_key => $adapter) {
+        $is_disabled = empty($can_select[$adapter_key]);
+
+        $adapter_control->addButton(
+          $adapter_key,
+          $adapter->getAdapterContentName(),
+          $adapter->getAdapterTestDescription(),
+          null,
+          $is_disabled);
+      }
+
+      $form
+        ->appendControl($adapter_control)
+        ->appendControl(
+          id(new AphrontFormSubmitControl())
+            ->setValue(pht('Run Test')));
+    }
+
+    return $this->buildTestConsoleResponse($form, array());
+  }
+
+  private function buildTestConsoleResponse($form, array $errors) {
     $box = id(new PHUIObjectBoxView())
       ->setFormErrors($errors)
       ->setForm($form);
@@ -118,11 +210,7 @@
     return $this->newPage()
       ->setTitle($title)
       ->setCrumbs($crumbs)
-      ->appendChild(
-        array(
-          $view,
-      ));
-
+      ->appendChild($view);
   }
 
 }
diff --git a/src/applications/maniphest/herald/HeraldManiphestTaskAdapter.php b/src/applications/maniphest/herald/HeraldManiphestTaskAdapter.php
--- a/src/applications/maniphest/herald/HeraldManiphestTaskAdapter.php
+++ b/src/applications/maniphest/herald/HeraldManiphestTaskAdapter.php
@@ -16,6 +16,15 @@
     return pht('React to tasks being created or updated.');
   }
 
+  public function isTestAdapterForObject($object) {
+    return ($object instanceof ManiphestTask);
+  }
+
+  public function getAdapterTestDescription() {
+    return pht(
+      'Test rules which run when a task is created or updated.');
+  }
+
   protected function initializeNewAdapter() {
     $this->task = $this->newObject();
   }
@@ -46,10 +55,16 @@
     $this->task = $task;
     return $this;
   }
+
   public function getTask() {
     return $this->task;
   }
 
+  public function setObject($object) {
+    $this->task = $object;
+    return $this;
+  }
+
   public function getObject() {
     return $this->task;
   }
diff --git a/src/applications/metamta/herald/PhabricatorMailOutboundMailHeraldAdapter.php b/src/applications/metamta/herald/PhabricatorMailOutboundMailHeraldAdapter.php
--- a/src/applications/metamta/herald/PhabricatorMailOutboundMailHeraldAdapter.php
+++ b/src/applications/metamta/herald/PhabricatorMailOutboundMailHeraldAdapter.php
@@ -21,6 +21,17 @@
     return new PhabricatorMetaMTAMail();
   }
 
+  public function isTestAdapterForObject($object) {
+    return ($object instanceof PhabricatorMetaMTAMail);
+  }
+
+  public function getAdapterTestDescription() {
+    return pht(
+      'Test rules which run when outbound mail is being prepared for '.
+      'delivery.');
+  }
+
+
   public function getObject() {
     return $this->mail;
   }
diff --git a/src/applications/pholio/herald/HeraldPholioMockAdapter.php b/src/applications/pholio/herald/HeraldPholioMockAdapter.php
--- a/src/applications/pholio/herald/HeraldPholioMockAdapter.php
+++ b/src/applications/pholio/herald/HeraldPholioMockAdapter.php
@@ -20,6 +20,20 @@
     return new PholioMock();
   }
 
+  public function isTestAdapterForObject($object) {
+    return ($object instanceof PholioMock);
+  }
+
+  public function getAdapterTestDescription() {
+    return pht(
+      'Test rules which run when a mock is created or updated.');
+  }
+
+  public function setObject($object) {
+    $this->mock = $object;
+    return $this;
+  }
+
   public function getObject() {
     return $this->mock;
   }
@@ -28,6 +42,7 @@
     $this->mock = $mock;
     return $this;
   }
+
   public function getMock() {
     return $this->mock;
   }
diff --git a/src/applications/phriction/herald/PhrictionDocumentHeraldAdapter.php b/src/applications/phriction/herald/PhrictionDocumentHeraldAdapter.php
--- a/src/applications/phriction/herald/PhrictionDocumentHeraldAdapter.php
+++ b/src/applications/phriction/herald/PhrictionDocumentHeraldAdapter.php
@@ -20,6 +20,20 @@
     return new PhrictionDocument();
   }
 
+  public function isTestAdapterForObject($object) {
+    return ($object instanceof PhrictionDocument);
+  }
+
+  public function getAdapterTestDescription() {
+    return pht(
+      'Test rules which run when a wiki document is created or updated.');
+  }
+
+  public function setObject($object) {
+    $this->document = $object;
+    return $this;
+  }
+
   public function getObject() {
     return $this->document;
   }
diff --git a/src/applications/ponder/herald/HeraldPonderQuestionAdapter.php b/src/applications/ponder/herald/HeraldPonderQuestionAdapter.php
--- a/src/applications/ponder/herald/HeraldPonderQuestionAdapter.php
+++ b/src/applications/ponder/herald/HeraldPonderQuestionAdapter.php
@@ -20,6 +20,21 @@
     $this->question = $this->newObject();
   }
 
+
+  public function isTestAdapterForObject($object) {
+    return ($object instanceof PonderQuestion);
+  }
+
+  public function getAdapterTestDescription() {
+    return pht(
+      'Test rules which run when a question is created or updated.');
+  }
+
+  public function setObject($object) {
+    $this->question = $object;
+    return $this;
+  }
+
   public function supportsApplicationEmail() {
     return true;
   }