old_contents: import mock
  from webtest import TestApp
  
  from alppaca.webapp import WebApp
  from alppaca.compat import unittest, OrderedDict
  
  json_response = '\'{"Code": "Success", ' \
                  '"AccessKeyId": "ASIAI", ' \
                  '"SecretAccessKey": "oieDhF", ' \
                  '"Token": "6jmePdXNehjPVt7CZ1WMkKrqB6zDc34d2vpLej", ' \
                  '"Expiration": "2015-04-17T13:40:18Z", ' \
                  '"Type": "AWS-HMAC"}\''
  
  
  class AwsInstanceMetadataClientTest(unittest.TestCase):
  
      def setUp(self):
          self.bottle_app = WebApp(mock.Mock())
          self.app = TestApp(self.bottle_app)
  
      def test_server_is_up_and_running(self):
          self.bottle_app.credentials = {'test_role': json_response}
          response = self.app.get('/latest/meta-data/iam/security-credentials/')
          self.assertEquals(response.status_code, 200)
          self.assertEquals(response.text, 'test_role')
  
      def test_server_is_up_and_running_with_multiple_roles(self):
          self.bottle_app.credentials = OrderedDict((('test_role1', json_response),
                                                     ('test_role2', json_response)))
          response = self.app.get('/latest/meta-data/iam/security-credentials/')
          self.assertEquals(response.status_code, 200)
          self.assertEquals(response.text, 'test_role1\ntest_role2')
  
      def test_server_delivers_credentials_from_cache(self):
          self.bottle_app.credentials = {'test_role': json_response}
          response = self.app.get('/latest/meta-data/iam/security-credentials/test_role')
          self.assertEquals(response.status_code, 200)
          self.assertEquals(response.text, json_response)
  
      def test_server_delivers_empty_string_on_non_existent_cache(self):
          self.bottle_app.credentials = {}
          response = self.app.get('/latest/meta-data/iam/security-credentials/no_role')
          self.assertEquals(response.status_code, 200)
          self.assertEquals(response.text, "")
  
new_contents: import mock
  from webtest import TestApp
  
  from alppaca.webapp import WebApp
  from alppaca.compat import unittest, OrderedDict
  
  json_response = '\'{"Code": "Success", ' \
                  '"AccessKeyId": "ASIAI", ' \
                  '"SecretAccessKey": "oieDhF", ' \
                  '"Token": "6jmePdXNehjPVt7CZ1WMkKrqB6zDc34d2vpLej", ' \
                  '"Expiration": "2015-04-17T13:40:18Z", ' \
                  '"Type": "AWS-HMAC"}\''
  
  
  class WebAppTest(unittest.TestCase):
  
      def setUp(self):
          self.bottle_app = WebApp(mock.Mock())
          self.app = TestApp(self.bottle_app)
  
      def test_server_is_up_and_running(self):
          self.bottle_app.credentials = {'test_role': json_response}
          response = self.app.get('/latest/meta-data/iam/security-credentials/')
          self.assertEquals(response.status_code, 200)
          self.assertEquals(response.text, 'test_role')
  
      def test_server_is_up_and_running_with_multiple_roles(self):
          self.bottle_app.credentials = OrderedDict((('test_role1', json_response),
                                                     ('test_role2', json_response)))
          response = self.app.get('/latest/meta-data/iam/security-credentials/')
          self.assertEquals(response.status_code, 200)
          self.assertEquals(response.text, 'test_role1\ntest_role2')
  
      def test_server_delivers_credentials_from_cache(self):
          self.bottle_app.credentials = {'test_role': json_response}
          response = self.app.get('/latest/meta-data/iam/security-credentials/test_role')
          self.assertEquals(response.status_code, 200)
          self.assertEquals(response.text, json_response)
  
      def test_server_delivers_empty_string_on_non_existent_cache(self):
          self.bottle_app.credentials = {}
          response = self.app.get('/latest/meta-data/iam/security-credentials/no_role')
          self.assertEquals(response.status_code, 200)
          self.assertEquals(response.text, "")
  
subject: rename TestCase