Move from unittest2 to testtools

Part of blueprint grizzly-testtools

Change-Id: I13e068ca156f12114eaa3a65bdb557e4eb2c988d

tests/test_client.py

@@ -6,9 +6,6 @@ from tests import utils
 
 class ClientTest(utils.TestCase):
 
-    def setUp(self):
-        pass
-
     def test_get_client_class_v1(self):
         output = cinderclient.client.get_client_class('1')
         self.assertEqual(output, cinderclient.v1.client.Client)

tests/test_shell.py

@@ -1,7 +1,11 @@
 import cStringIO
 import os
+import re
 import sys
 
+import fixtures
+from testtools import matchers
+
 from cinderclient import exceptions
 import cinderclient.shell
 from tests import utils
@@ -9,16 +13,19 @@ from tests import utils
 
 class ShellTest(utils.TestCase):
 
-    # Patch os.environ to avoid required auth info.
-    def setUp(self):
-        global _old_env
-        fake_env = {
+    FAKE_ENV = {
         'OS_USERNAME': 'username',
         'OS_PASSWORD': 'password',
         'OS_TENANT_NAME': 'tenant_name',
         'OS_AUTH_URL': 'http://no.where',
     }
-        _old_env, os.environ = os.environ, fake_env.copy()
+
+    # Patch os.environ to avoid required auth info.
+    def setUp(self):
+        super(ShellTest, self).setUp()
+        for var in self.FAKE_ENV:
+            self.useFixture(fixtures.EnvironmentVariable(var,
+                                                         self.FAKE_ENV[var]))
 
     def shell(self, argstr):
         orig = sys.stdout
@@ -36,28 +43,26 @@ class ShellTest(utils.TestCase):
 
         return out
 
-    def tearDown(self):
-        global _old_env
-        os.environ = _old_env
-
     def test_help_unknown_command(self):
         self.assertRaises(exceptions.CommandError, self.shell, 'help foofoo')
 
     def test_help(self):
         required = [
-            '^usage: ',
-            '(?m)^\s+create\s+Add a new volume.',
-            '(?m)^See "cinder help COMMAND" for help on a specific command',
+            '.*?^usage: ',
+            '.*?(?m)^\s+create\s+Add a new volume.',
+            '.*?(?m)^See "cinder help COMMAND" for help on a specific command',
         ]
         help_text = self.shell('help')
         for r in required:
-            self.assertRegexpMatches(help_text, r)
+            self.assertThat(help_text,
+                            matchers.MatchesRegex(r, re.DOTALL|re.MULTILINE))
 
     def test_help_on_subcommand(self):
         required = [
-            '^usage: cinder list',
-            '(?m)^List all the volumes.',
+            '.*?^usage: cinder list',
+            '.*?(?m)^List all the volumes.',
         ]
         help_text = self.shell('help list')
         for r in required:
-            self.assertRegexpMatches(help_text, r)
+            self.assertThat(help_text,
+                            matchers.MatchesRegex(r, re.DOTALL|re.MULTILINE))

tests/test_utils.py

@@ -45,6 +45,7 @@ class FakeManager(base.ManagerWithFind):
 class FindResourceTestCase(test_utils.TestCase):
 
     def setUp(self):
+        super(FindResourceTestCase, self).setUp()
         self.manager = FakeManager(None)
 
     def test_find_none(self):

tests/utils.py

@@ -1,9 +1,9 @@
-import unittest2
+import testtools
 
 import requests
 
 
-class TestCase(unittest2.TestCase):
+class TestCase(testtools.TestCase):
     TEST_REQUEST_BASE = {
         'config': {'danger_mode': False},
         'verify': True,

tests/v1/test_shell.py

@@ -17,6 +17,8 @@
 
 import os
 
+import fixtures
+
 from cinderclient import client
 from cinderclient import shell
 from tests.v1 import fakes
@@ -25,11 +27,7 @@ from tests import utils
 
 class ShellTest(utils.TestCase):
 
-    # Patch os.environ to avoid required auth info.
-    def setUp(self):
-        """Run before each test."""
-        self.old_environment = os.environ.copy()
-        os.environ = {
+    FAKE_ENV = {
         'CINDER_USERNAME': 'username',
         'CINDER_PASSWORD': 'password',
         'CINDER_PROJECT_ID': 'project_id',
@@ -37,6 +35,14 @@ class ShellTest(utils.TestCase):
         'CINDER_URL': 'http://no.where',
     }
 
+    # Patch os.environ to avoid required auth info.
+    def setUp(self):
+        """Run before each test."""
+        super(ShellTest, self).setUp()
+        for var in self.FAKE_ENV:
+            self.useFixture(fixtures.EnvironmentVariable(var,
+                                                         self.FAKE_ENV[var]))
+
         self.shell = shell.OpenStackCinderShell()
 
         #HACK(bcwaldon): replace this when we start using stubs
@@ -44,7 +50,6 @@ class ShellTest(utils.TestCase):
         client.get_client_class = lambda *_: fakes.FakeClient
 
     def tearDown(self):
-        os.environ = self.old_environment
         # For some method like test_image_meta_bad_action we are
         # testing a SystemExit to be thrown and object self.shell has
         # no time to get instantatiated which is OK in this case, so
@@ -54,6 +59,7 @@ class ShellTest(utils.TestCase):
 
         #HACK(bcwaldon): replace this when we start using stubs
         client.get_client_class = self.old_get_client_class
+        super(ShellTest, self).tearDown()
 
     def run_command(self, cmd):
         self.shell.main(cmd.split())

tools/test-requires

@@ -1,10 +1,11 @@
-
 distribute>=0.6.24
+
+fixtures
 mock
 nose
+nosehtmloutput
 nosexcover
 openstack.nose_plugin
-nosehtmloutput
 pep8==1.3.3
 sphinx>=1.1.2
-unittest2
+testtools>=0.9.22