Revert "Enable PyContracts during tests"

This reverts commit 4312c0e763.

lms/djangoapps/courseware/tests/test_module_render.py

@@ -48,7 +48,7 @@ from xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.django import modulestore
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import ItemFactory, CourseFactory, check_mongo_calls
-from xmodule.x_module import XModuleDescriptor, XModule, STUDENT_VIEW, CombinedSystem, DescriptorSystem
+from xmodule.x_module import XModuleDescriptor, XModule, STUDENT_VIEW, CombinedSystem
 
 TEST_DATA_DIR = settings.COMMON_TEST_DATA_ROOT
 
@@ -1108,7 +1108,7 @@ class TestAnonymousStudentId(ModuleStoreTestCase, LoginEnrollmentTestCase):
             location=location,
             static_asset_path=None,
             _runtime=Mock(
-                spec=DescriptorSystem,
+                spec=Runtime,
                 resources_fs=None,
                 mixologist=Mock(_mixins=(), name='mixologist'),
                 name='runtime',

lms/djangoapps/lms_xblock/test/test_runtime.py

@@ -11,7 +11,6 @@ from urlparse import urlparse
 from opaque_keys.edx.locations import SlashSeparatedCourseKey
 from lms.djangoapps.lms_xblock.runtime import quote_slashes, unquote_slashes, LmsModuleSystem
 from xblock.fields import ScopeIds
-from xmodule.x_module import DescriptorSystem
 
 TEST_STRINGS = [
     '',
@@ -49,12 +48,12 @@ class TestHandlerUrl(TestCase):
         self.course_key = SlashSeparatedCourseKey("org", "course", "run")
         self.runtime = LmsModuleSystem(
             static_url='/static',
-            track_function=Mock(name='track_function'),
-            get_module=Mock(name='get_module'),
-            render_template=Mock(name='render_template'),
+            track_function=Mock(),
+            get_module=Mock(),
+            render_template=Mock(),
             replace_urls=str,
             course_id=self.course_key,
-            descriptor_runtime=Mock(spec=DescriptorSystem, name='descriptor_runtime'),
+            descriptor_runtime=Mock(),
         )
 
     def test_trailing_characters(self):
@@ -121,13 +120,13 @@ class TestUserServiceAPI(TestCase):
 
         self.runtime = LmsModuleSystem(
             static_url='/static',
-            track_function=Mock(name="track_function"),
-            get_module=Mock(name="get_module"),
-            render_template=Mock(name="render_template"),
+            track_function=Mock(),
+            get_module=Mock(),
+            render_template=Mock(),
             replace_urls=str,
             course_id=self.course_id,
             get_real_user=mock_get_real_user,
-            descriptor_runtime=Mock(spec=DescriptorSystem, name="descriptor_runtime"),
+            descriptor_runtime=Mock(),
         )
         self.scope = 'course'
         self.key = 'key1'

lms/djangoapps/open_ended_grading/tests.py

@@ -24,7 +24,6 @@ from lms.djangoapps.lms_xblock.runtime import LmsModuleSystem
 from student.roles import CourseStaffRole
 from student.models import unique_id_for_user
 from xmodule import peer_grading_module
-from xmodule.x_module import DescriptorSystem
 from xmodule.error_module import ErrorDescriptor
 from xmodule.modulestore.django import modulestore
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
@@ -289,7 +288,7 @@ class TestPeerGradingService(ModuleStoreTestCase, LoginEnrollmentTestCase):
             open_ended_grading_interface=test_util_open_ended.OPEN_ENDED_GRADING_INTERFACE,
             mixins=settings.XBLOCK_MIXINS,
             error_descriptor_class=ErrorDescriptor,
-            descriptor_runtime=Mock(spec=DescriptorSystem, name="descriptor_runtime"),
+            descriptor_runtime=None,
         )
         self.descriptor = peer_grading_module.PeerGradingDescriptor(self.system, field_data, ScopeIds(None, None, None, None))
         self.descriptor.xmodule_runtime = self.system