Merge "Remove the `eventlet.Timeout` testcase capture"

neutron/tests/base.py

@@ -17,7 +17,6 @@
 """
 
 import abc
-import contextlib
 import functools
 import inspect
 import logging
@@ -28,7 +27,6 @@ import threading
 from unittest import mock
 import warnings
 
-import eventlet.timeout
 import fixtures
 from neutron_lib.callbacks import manager as registry_manager
 from neutron_lib.db import api as db_api
@@ -176,8 +174,6 @@ def _catch_errors(f):
     def func(self, *args, **kwargs):
         try:
             return f(self, *args, **kwargs)
-        except eventlet.Timeout as e:
-            self.fail('Execution of this test timed out: %s' % e)
         except db_exceptions.DBReferenceError:
             # TODO(ralonsoh): fix the ``DBReferenceError`` issues in the functional
             # tests. This is retrying the test execution once more. If it fails
@@ -200,10 +196,6 @@ class _CatchErrorsMetaclass(abc.ABCMeta):
                 setattr(cls, name, _catch_errors(method))
 
 
-# Test worker cannot survive eventlet's Timeout exception, which effectively
-# kills the whole worker, with all test cases scheduled to it. This metaclass
-# makes all test cases convert Timeout exceptions into unittest friendly
-# failure mode (self.fail).
 class DietTestCase(base.BaseTestCase, metaclass=_CatchErrorsMetaclass):
     """Same great taste, less filling.
 
@@ -305,13 +297,6 @@ class DietTestCase(base.BaseTestCase, metaclass=_CatchErrorsMetaclass):
             # This makes sys.exit(0) still a failure
             self.force_failure = True
 
-    @contextlib.contextmanager
-    def assert_max_execution_time(self, max_execution_time=5):
-        with eventlet.Timeout(max_execution_time, False):
-            yield
-            return
-        self.fail('Execution of this test timed out')
-
     def assertOrderedEqual(self, expected, actual):
         expect_val = self.sort_dict_lists(expected)
         actual_val = self.sort_dict_lists(actual)

neutron/tests/functional/agent/l3/framework.py

@@ -227,18 +227,17 @@ class L3AgentTestFramework(base.BaseSudoTestCase):
         if ha:
             self.wait_until_ha_router_has_state(router, 'primary')
 
-        with self.assert_max_execution_time(100):
-            assert_num_of_conntrack_rules(0)
+        assert_num_of_conntrack_rules(0)
 
-            self.assertTrue(netcat.test_connectivity())
-            assert_num_of_conntrack_rules(1)
+        self.assertTrue(netcat.test_connectivity())
+        assert_num_of_conntrack_rules(1)
 
-            clean_fips(router)
-            router.process()
-            assert_num_of_conntrack_rules(0)
+        clean_fips(router)
+        router.process()
+        assert_num_of_conntrack_rules(0)
 
-            with testtools.ExpectedException(RuntimeError):
-                netcat.test_connectivity()
+        with testtools.ExpectedException(RuntimeError):
+            netcat.test_connectivity()
 
     def _test_update_floatingip_statuses(self, router_info):
         router = self.manage_router(self.agent, router_info)

neutron/tests/unit/agent/common/test_async_process.py

@@ -116,12 +116,10 @@ class TestAsyncProcess(base.BaseTestCase):
 
         thread_exit_event = threading.Event()
 
-        # Ensure the test times out eventually if the watcher loops endlessly
-        with self.assert_max_execution_time():
-            with mock.patch.object(self.proc,
-                                   '_handle_process_error') as func:
-                self.proc._watch_process(
-                    callback, kill_event, thread_exit_event)
+        with mock.patch.object(self.proc,
+                               '_handle_process_error') as func:
+            self.proc._watch_process(
+                callback, kill_event, thread_exit_event)
 
         if not kill_event.is_set():
             func.assert_called_once_with()

neutron/tests/unit/agent/ovsdb/test_impl_idl.py

@@ -14,21 +14,12 @@
 
 from unittest import mock
 
-from ovsdbapp import exceptions
 from ovsdbapp.schema.open_vswitch import impl_idl
-import testtools
 
 from neutron.tests import base
 
 
 class TransactionTestCase(base.BaseTestCase):
-    def test_commit_raises_exception_on_timeout(self):
-        transaction = impl_idl.OvsVsctlTransaction(mock.sentinel,
-                                                   mock.Mock(), 1)
-        with self.assert_max_execution_time(10):
-            with testtools.ExpectedException(exceptions.TimeoutException):
-                transaction.commit()
-
     def test_post_commit_does_not_raise_exception(self):
         with mock.patch.object(impl_idl.OvsVsctlTransaction,
                                "do_post_commit", side_effect=Exception):

neutron/tests/unit/db/test_rbac_db_mixin.py

@@ -83,12 +83,9 @@ class NetworkRbacTestcase(test_plugin.NeutronDbPluginV2TestCase):
                                             tenant,
                                             rbac_db_models.ACCESS_SHARED)
             self.plugin.create_rbac_policy(self.context, policy)
-            # Give server maximum of 10 seconds to make sure we don't hit DB
-            # retry mechanism when resource already exists
-            with self.assert_max_execution_time(10):
-                with testtools.ExpectedException(
-                        ext_rbac.DuplicateRbacPolicy):
-                    self.plugin.create_rbac_policy(self.context, policy)
+            with testtools.ExpectedException(
+                    ext_rbac.DuplicateRbacPolicy):
+                self.plugin.create_rbac_policy(self.context, policy)
 
     def test_update_network_rbac_external_valid(self):
         orig_target = 'test-tenant-2'