Add parent mis-ordered registry test

test/registry_tests.py

@@ -1320,6 +1320,38 @@ class V1RegistryTests(V1RegistryPullMixin, V1RegistryPushMixin, RegistryTestsMix
 class V2RegistryTests(V2RegistryPullMixin, V2RegistryPushMixin, RegistryTestsMixin,
                       RegistryTestCaseMixin, LiveServerTestCase):
   """ Tests for V2 registry. """
+  def test_parent_misordered(self):
+    images = [
+      {
+        'id': 'latestid',
+        'contents': 'the latest image',
+        'parent': 'baseid',
+      },
+      {
+        'id': 'baseid',
+        'contents': 'The base image',
+      },
+    ]
+
+    self.do_push('devtable', 'newrepo', 'devtable', 'password', images=images,
+                 expect_failure=FailureCodes.INVALID_REQUEST)
+
+  def test_invalid_parent(self):
+    images = [
+      {
+        'id': 'baseid',
+        'contents': 'The base image',
+      },
+      {
+        'id': 'latestid',
+        'contents': 'the latest image',
+        'parent': 'unknownparent',
+      },
+    ]
+
+    self.do_push('devtable', 'newrepo', 'devtable', 'password', images=images,
+                 expect_failure=FailureCodes.INVALID_REQUEST)
+
   def test_tags_pagination(self):
     # Push 10 tags.
     tag_names = ['tag-%s' % i for i in range(0, 10)]