Renamed to has_data()

AUTHORS

@@ -190,3 +190,4 @@ that much better:
  * j0hnsmith (https://github.com/j0hnsmith)
  * Damien Churchill (https://github.com/damoxc)
  * Jonathan Simon Prates (https://github.com/jonathansp)
+ * Thiago Papageorgiou (https://github.com/tmpapageorgiou)

mongoengine/queryset/base.py

@@ -154,22 +154,22 @@ class BaseQuerySet(object):
     def __iter__(self):
         raise NotImplementedError
 
-    def _bool(self):
-        """ Avoid to open all records in an if stmt """
+    def has_data(self):
+        """ Retrieves whether cursor has any data. """
 
         queryset = self.clone()
         queryset._ordering = []
         return False if queryset.first() is None else True
 
     def __nonzero__(self):
-        """ Same behaviour in Py2 """
+        """ Avoid to open all records in an if stmt in Py2. """
 
-        return self._bool()
+        return self.has_data()
 
     def __bool__(self):
-        """ Same behaviour in Py3 """
+        """ Avoid to open all records in an if stmt in Py3. """
 
-        return self._bool()
+        return self.has_data()
 
     # Core functions
 

tests/queryset/queryset.py

@@ -3831,11 +3831,15 @@ class QuerySetTest(unittest.TestCase):
 
         queryset = Test.objects
         if not test:
-            raise AssertionError('There is data, but cursor returned False')
+            raise AssertionError('Cursor has data and returned False')
 
         queryset.next()
         if not queryset:
-            raise AssertionError('There is data, cursor must return True')
+            raise AssertionError('Cursor has data and it must returns False,'
+                ' even in the last item.')
+
+        self.assertTrue(queryset.has_data(), 'Cursor has data and '
+            'returned False')
 
     def test_bool_performance(self):