Add validation tests to python bindings.

mojo/python/tests/bindings_serialization_deserialization_unittest.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import math
 
 import mojo_unittest
 
 # pylint: disable=E0611,F0401
+import mojo.bindings.serialization as serialization
 import mojo.system
 
 # Generated files
 # pylint: disable=F0401
 import sample_import_mojom
 import sample_import2_mojom
 import sample_service_mojom
 
 
 def _NewHandle():
@@ skipping 41 matching lines @@
 
 class SerializationDeserializationTest(mojo_unittest.MojoTestCase):
 
   def testFooSerialization(self):
     (data, _) = _NewFoo().Serialize()
     self.assertTrue(len(data))
     self.assertEquals(len(data) % 8, 0)
 
   def testFooDeserialization(self):
     (data, handles) = _NewFoo().Serialize()
+    context = serialization.RootDeserializationContext(data, handles)
     self.assertTrue(
-        sample_service_mojom.Foo.Deserialize(data, handles))
+        sample_service_mojom.Foo.Deserialize(context))
 
   def testFooSerializationDeserialization(self):
     foo1 = _NewFoo()
     (data, handles) = foo1.Serialize()
-    foo2 = sample_service_mojom.Foo.Deserialize(data, handles)
+    context = serialization.RootDeserializationContext(data, handles)
+    foo2 = sample_service_mojom.Foo.Deserialize(context)
     self.assertEquals(foo1, foo2)
 
   def testDefaultsTestSerializationDeserialization(self):
     v1 = sample_service_mojom.DefaultsTest()
     v1.a18 = []
     v1.a19 = ""
     v1.a21 = sample_import_mojom.Point()
     v1.a22.location = sample_import_mojom.Point()
     v1.a22.size = sample_import2_mojom.Size()
     (data, handles) = v1.Serialize()
-    v2 = sample_service_mojom.DefaultsTest.Deserialize(data, handles)
+    context = serialization.RootDeserializationContext(data, handles)
+    v2 = sample_service_mojom.DefaultsTest.Deserialize(context)
     # NaN needs to be a special case.
     self.assertNotEquals(v1, v2)
     self.assertTrue(math.isnan(v2.a28))
     self.assertTrue(math.isnan(v2.a31))
     v1.a28 = v2.a28 = v1.a31 = v2.a31 = 0
     self.assertEquals(v1, v2)
 
   def testFooDeserializationError(self):
     with self.assertRaises(Exception):
       sample_service_mojom.Foo.Deserialize("", [])