diff --git a/src/allmydata/frontends/magic_folder.py b/src/allmydata/frontends/magic_folder.py
index da25f042b..a91142ce7 100644
--- a/src/allmydata/frontends/magic_folder.py
+++ b/src/allmydata/frontends/magic_folder.py
@@ -335,6 +335,7 @@ class QueueMixin(HookMixin):
             'started': None,
             'iteration': None,
             'inotify': None,
+            'item_processed': None,
         }
         self.started_d = self.set_hook('started')
 
@@ -451,6 +452,7 @@ class QueueMixin(HookMixin):
                 self._log("  done: %r" % proc)
                 if not proc:
                     self._process_history.remove(item)
+                self._call_hook(item, 'item_processed')
             except Exception as e:
                 log.err("processing '%r' failed: %s" % (item, e))
                 item.set_status('failed', self._clock.seconds())
@@ -527,6 +529,12 @@ class QueuedItem(object):
         hist.sort(lambda a, b: cmp(a[1], b[1]))
         return hist
 
+    def __eq__(self, other):
+        return (
+            other.relpath_u == self.relpath_u,
+            other.status_history() == self.status_history(),
+        )
+
 
 class UploadItem(QueuedItem):
     """
diff --git a/src/allmydata/test/test_magic_folder.py b/src/allmydata/test/test_magic_folder.py
index 17a36cf2a..78ac22b03 100644
--- a/src/allmydata/test/test_magic_folder.py
+++ b/src/allmydata/test/test_magic_folder.py
@@ -1430,9 +1430,11 @@ class SingleMagicFolderTestMixin(MagicFolderCLITestMixin, ShouldFailMixin, Reall
             yield self.fileops.move(small_tree_dir, new_small_tree_dir)
             upstatus = list(self.magicfolder.uploader.get_status())
             downstatus = list(self.magicfolder.downloader.get_status())
+
             self.assertEqual(2, len(upstatus))
             self.assertEqual(0, len(downstatus))
             yield iterate(self.magicfolder)
+
             # when we add the dir, we queue a scan of it; so we want
             # the upload to "go" as well requiring 1 more iteration
             yield iterate(self.magicfolder)
@@ -1522,6 +1524,35 @@ class SingleMagicFolderTestMixin(MagicFolderCLITestMixin, ShouldFailMixin, Reall
         self.assertTrue(node is not None, "Failed to find %r in DMD" % (path,))
         self.failUnlessEqual(metadata['version'], 1)
 
+    @defer.inlineCallbacks
+    def test_batched_process(self):
+        # setup: get at least two items into the deque
+        path0 = os.path.join(self.local_dir, u'foo')
+        yield self.fileops.write(path0, 'foo\n')
+        path1 = os.path.join(self.local_dir, u'bar')
+        yield self.fileops.write(path1, 'bar\n')
+
+        # get the status before we've processed anything
+        upstatus0 = list(self.magicfolder.uploader.get_status())
+        upstatus1 = []
+
+        def one_item(item):
+            # grab status after we've processed a single item
+            us = list(self.magicfolder.uploader.get_status())
+            upstatus1.extend(us)
+        one_d = self.magicfolder.uploader.set_hook('item_processed')
+        # can't 'yield' here because the hook isn't called until
+        # inside iterate()
+        one_d.addCallbacks(one_item, self.fail)
+
+        yield iterate_uploader(self.magicfolder)
+        yield iterate_uploader(self.magicfolder)  # req'd for windows; not sure why?
+
+        # status we got each time should be the same
+        self.assertEqual(len(upstatus0), len(upstatus1))
+        for item0, item1 in zip(upstatus0, upstatus1):
+            self.assertEqual(item0, item1)
+
     @defer.inlineCallbacks
     def test_delete_and_restore(self):
         # setup: create a file