1 files changed, 48 insertions, 0 deletions
diff --git a/tests/queryset_pickle/tests.py b/tests/queryset_pickle/tests.py
new file mode 100644
index 0000000000..ab32e8f647
--- /dev/null
+++ b/tests/queryset_pickle/tests.py
@@ -0,0 +1,48 @@
+from __future__ import absolute_import
+
+import pickle
+import datetime
+
+from django.test import TestCase
+
+from .models import Group, Event, Happening
+
+
+class PickleabilityTestCase(TestCase):
+    def assert_pickles(self, qs):
+        self.assertEqual(list(pickle.loads(pickle.dumps(qs))), list(qs))
+
+    def test_related_field(self):
+        g = Group.objects.create(name="Ponies Who Own Maybachs")
+        self.assert_pickles(Event.objects.filter(group=g.id))
+
+    def test_datetime_callable_default_all(self):
+        self.assert_pickles(Happening.objects.all())
+
+    def test_datetime_callable_default_filter(self):
+        self.assert_pickles(Happening.objects.filter(when=datetime.datetime.now()))
+
+    def test_lambda_as_default(self):
+        self.assert_pickles(Happening.objects.filter(name="test"))
+
+    def test_standalone_method_as_default(self):
+        self.assert_pickles(Happening.objects.filter(number1=1))
+
+    def test_staticmethod_as_default(self):
+        self.assert_pickles(Happening.objects.filter(number2=1))
+
+    def test_classmethod_as_default(self):
+        self.assert_pickles(Happening.objects.filter(number3=1))
+
+    def test_membermethod_as_default(self):
+        self.assert_pickles(Happening.objects.filter(number4=1))
+
+    def test_doesnotexist_exception(self):
+        # Ticket #17776
+        original = Event.DoesNotExist("Doesn't exist")
+        unpickled = pickle.loads(pickle.dumps(original))
+
+        # Exceptions are not equal to equivalent instances of themselves, so
+        # can't just use assertEqual(original, unpickled)
+        self.assertEqual(original.__class__, unpickled.__class__)
+        self.assertEqual(original.args, unpickled.args)