Fix typo and add tests

src/Whoops/Run.php

@@ -149,14 +149,15 @@ class Run
             return $this->sendOutput;
         }
 
-        return $this->sendOutput = (bool) $exit;
+        return $this->sendOutput = (bool) $send;
     }
 
     /**
      * Handles an exception, ultimately generating a Whoops error
      * page.
      *
-     * @param Exception $exception
+     * @param  Exception $exception
+     * @return string Output generated by handlers
      */
     public function handleException(Exception $exception)
     {
@@ -201,9 +202,9 @@ class Run
             // the caller.
             if($this->writeToOutput()) {
                 echo $output;
-            } else {
-                return $output;
             }
+
+            return $output;
         }
     }
 

tests/Whoops/RunTest.php

@@ -23,7 +23,7 @@ class RunTest extends TestCase
     {
         return m::mock('Exception', array($message));
     }
-    
+
     /**
      * @return Whoops\Handler\Handler
      */
@@ -275,4 +275,36 @@ class RunTest extends TestCase
         error_reporting($oldLevel);
     }
 
+    /**
+     * @covers Whoops\Run::handleException
+     * @covers Whoops\Run::writeToOutput
+     */
+    public function testOutputIsSent()
+    {
+        $run = $this->getRunInstance();
+        $run->pushHandler(function() {
+            echo "hello there";
+        });
+
+        ob_start();
+        $run->handleException(new RuntimeException);
+        $this->assertEquals("hello there", ob_get_clean());
+    }
+
+    /**
+     * @covers Whoops\Run::handleException
+     * @covers Whoops\Run::writeToOutput
+     */
+    public function testOutputIsNotSent()
+    {
+        $run = $this->getRunInstance();
+        $run->writeToOutput(false);
+        $run->pushHandler(function() {
+            echo "hello there";
+        });
+
+        ob_start();
+        $this->assertEquals("hello there", $run->handleException(new RuntimeException));
+        $this->assertEquals("", ob_get_clean());
+    }
 }