Bug 735451. raise exception when DeviceManager fails to initialize. r=jmaher

build/mobile/devicemanagerSUT.py

@@ -85,7 +85,8 @@ class DeviceManagerSUT(DeviceManager):
     self.retrylimit = retrylimit
     self.retries = 0
     self._sock = None
-    self.getDeviceRoot()
+    if self.getDeviceRoot() == None:
+        raise BaseException("Failed to connect to SUT Agent and retrieve the device root.")
 
   def _cmdNeedsResponse(self, cmd):
     """ Not all commands need a response from the agent:

layout/tools/reftest/remotereftest.py

@@ -370,7 +370,11 @@ user_pref("capability.principal.codebase.p2.id", "http://%s:%s");
     def cleanup(self, profileDir):
         # Pull results back from device
         if (self.remoteLogFile):
-            self._devicemanager.getFile(self.remoteLogFile, self.localLogName)
+            try:
+                self._devicemanager.getFile(self.remoteLogFile, self.localLogName)
+            except:
+                print "ERROR: We were not able to retrieve the info from %s" % self.remoteLogFile
+                sys.exit(5)
         self._devicemanager.removeDir(self.remoteProfile)
         self._devicemanager.removeDir(self.remoteTestRoot)
         RefTest.cleanup(self, profileDir)