Migrate test base class to testtools.

This is stricter, but also provides plumbing for more advanced things
like fixtures and testscenarios.

Change-Id: I607b50390708ca3caa9799ef0b27007df5045a6c

HACKING.rst

@@ -86,9 +86,9 @@ Example::
   import random
   import StringIO
   import time
-  import unittest
 
   import eventlet
+  import testtools
   import webob.exc
 
   import heat.api.ec2

heat/tests/test_api_cloudwatch.py

@@ -524,7 +524,4 @@ class WatchControllerTest(HeatTestCase):
         cfgopts = DummyConfig()
         self.controller = watches.WatchController(options=cfgopts)
         self.controller.policy.policy_path = None
-
-    def tearDown(self):
-        self.m.VerifyAll()
-        super(WatchControllerTest, self).tearDown()
+        self.addCleanup(self.m.VerifyAll)

heat/tests/test_cli.py

@@ -13,7 +13,7 @@
 #    under the License.
 
 
-import unittest
+import testtools
 import heat
 import os
 import subprocess
@@ -21,7 +21,7 @@ import subprocess
 basepath = os.path.join(heat.__path__[0], os.path.pardir)
 
 
-class CliTest(unittest.TestCase):
+class CliTest(testtools.TestCase):
 
     def test_heat_cfn(self):
             self.bin_test_run('heat-cfn')

heat/tests/test_dependencies.py

@@ -13,13 +13,13 @@
 #    under the License.
 
 
-import unittest
+import testtools
 
 from heat.engine.dependencies import Dependencies
 from heat.engine.dependencies import CircularDependencyException
 
 
-class dependenciesTest(unittest.TestCase):
+class dependenciesTest(testtools.TestCase):
 
     def _dep_test(self, func, checkorder, deps):
         nodes = set.union(*[set(e) for e in deps])

heat/tests/test_event.py

@@ -61,10 +61,7 @@ class EventTest(HeatTestCase):
 
         self.resource = self.stack['EventTestResource']
         self.resource._store()
-
-    def tearDown(self):
-        db_api.stack_delete(self.ctx, self.stack.id)
-        super(EventTest, self).tearDown()
+        self.addCleanup(db_api.stack_delete, self.ctx, self.stack.id)
 
     def test_load(self):
         self.resource.resource_id_set('resource_physical_id')

heat/tests/test_identifier.py

@@ -13,12 +13,12 @@
 #    under the License.
 
 
-import unittest
+import testtools
 
 from heat.common import identifier
 
 
-class IdentifierTest(unittest.TestCase):
+class IdentifierTest(testtools.TestCase):
     url_prefix = 'http://1.2.3.4/foo/'
 
     def test_attrs(self):
@@ -354,7 +354,7 @@ class IdentifierTest(unittest.TestCase):
         self.assertEqual(hi._path_components(), ['p1', 'p2', 'p3'])
 
 
-class ResourceIdentifierTest(unittest.TestCase):
+class ResourceIdentifierTest(testtools.TestCase):
     def test_resource_init_no_path(self):
         si = identifier.HeatIdentifier('t', 's', 'i')
         ri = identifier.ResourceIdentifier(resource_name='r', **si)
@@ -385,7 +385,7 @@ class ResourceIdentifierTest(unittest.TestCase):
                           't', 's', 'i', 'p', 'r/r')
 
 
-class EventIdentifierTest(unittest.TestCase):
+class EventIdentifierTest(testtools.TestCase):
     def test_event_init(self):
         si = identifier.HeatIdentifier('t', 's', 'i')
         pi = identifier.ResourceIdentifier(resource_name='p', **si)

heat/tests/test_parameters.py

@@ -13,13 +13,13 @@
 #    under the License.
 
 
-import unittest
+import testtools
 import json
 
 from heat.engine import parameters
 
 
-class ParameterTest(unittest.TestCase):
+class ParameterTest(testtools.TestCase):
     def test_new_string(self):
         p = parameters.Parameter('p', {'Type': 'String'})
         self.assertTrue(isinstance(p, parameters.StringParam))
@@ -268,7 +268,7 @@ params_schema = json.loads('''{
 }''')
 
 
-class ParametersTest(unittest.TestCase):
+class ParametersTest(testtools.TestCase):
     def test_pseudo_params(self):
         params = parameters.Parameters('test_stack', {"Parameters": {}})
 

heat/tests/test_plugin_loader.py

@@ -15,13 +15,13 @@
 
 import pkgutil
 import sys
-import unittest
+import testtools
 
 import heat.engine
 from heat.common import plugin_loader
 
 
-class PluginLoaderTest(unittest.TestCase):
+class PluginLoaderTest(testtools.TestCase):
     def test_module_name(self):
         self.assertEqual(plugin_loader._module_name('foo.bar', 'blarg.wibble'),
                          'foo.bar.blarg.wibble')

heat/tests/test_properties.py

@@ -13,13 +13,13 @@
 #    under the License.
 
 
-import unittest
+import testtools
 
 from heat.engine import properties
 from heat.common import exception
 
 
-class PropertyTest(unittest.TestCase):
+class PropertyTest(testtools.TestCase):
     def test_required_default(self):
         p = properties.Property({'Type': 'String'})
         self.assertFalse(p.required())
@@ -256,8 +256,9 @@ class PropertyTest(unittest.TestCase):
         self.assertRaises(TypeError, p.validate_data, [42, 'fish'])
 
 
-class PropertiesTest(unittest.TestCase):
+class PropertiesTest(testtools.TestCase):
     def setUp(self):
+        super(PropertiesTest, self).setUp()
         schema = {
             'int': {'Type': 'Integer'},
             'string': {'Type': 'String'},
@@ -301,7 +302,7 @@ class PropertiesTest(unittest.TestCase):
         self.assertEqual(self.props.get('foo', 'wibble'), 'wibble')
 
 
-class PropertiesValidationTest(unittest.TestCase):
+class PropertiesValidationTest(testtools.TestCase):
     def test_required(self):
         schema = {'foo': {'Type': 'String', 'Required': True}}
         props = properties.Properties(schema, {'foo': 'bar'})

heat/tests/test_resource.py

@@ -376,10 +376,7 @@ class MetadataTest(HeatTestCase):
         self.res = generic_rsrc.GenericResource('metadata_resource',
                                                 tmpl, self.stack)
         scheduler.TaskRunner(self.res.create)()
-
-    def tearDown(self):
-        self.stack.delete()
-        super(HeatTestCase, self).tearDown()
+        self.addCleanup(self.stack.delete)
 
     def test_read_initial(self):
         self.assertEqual(self.res.metadata, {'Test': 'Initial metadata'})

heat/tests/test_rpc_client.py

@@ -21,7 +21,7 @@ Unit Tests for heat.rpc.client
 
 from oslo.config import cfg
 import stubout
-import unittest
+import testtools
 
 from heat.common import config
 from heat.common import context
@@ -31,7 +31,7 @@ from heat.rpc import client as rpc_client
 from heat.openstack.common import rpc
 
 
-class EngineRpcAPITestCase(unittest.TestCase):
+class EngineRpcAPITestCase(testtools.TestCase):
 
     def setUp(self):
         config.register_engine_opts()

heat/tests/test_security_group.py

@@ -101,9 +101,6 @@ Resources:
             quantumclient.Client, 'delete_security_group_rule')
         self.m.StubOutWithMock(quantumclient.Client, 'delete_security_group')
 
-    def tearDown(self):
-        super(SecurityGroupTest, self).tearDown()
-
     def create_stack(self, template):
         t = template_format.parse(template)
         self.stack = self.parse_stack(t)

heat/tests/test_short_id.py

@@ -13,13 +13,13 @@
 #    under the License.
 
 
-import unittest
+import testtools
 
 from heat.common import short_id
 import uuid
 
 
-class ShortIdTest(unittest.TestCase):
+class ShortIdTest(testtools.TestCase):
 
     def test_byte_string_8(self):
         self.assertEqual(short_id._to_byte_string(0xab, 8), '\xab')

test-requirements.txt

@@ -10,6 +10,7 @@ hacking>=0.5.3,<0.6
 coverage
 discover
 mox==0.5.3
+testtools>=0.9.29
 testrepository>=0.0.13
 paramiko
 python-glanceclient