add some failing tests

keystonelight/backends/kvs.py

@@ -12,10 +12,18 @@ class KvsIdentity(object):
   def __init__(self, options, db=None):
     if db is None:
       db = INMEMDB
+    elif type(db) is type({}):
+      db = DictKvs(db)
     self.db = db
 
   # Public interface
   def authenticate(self, user_id=None, tenant_id=None, password=None):
+    """Authenticate based on a user, tenant and password.
+
+    Expects the user object to have a password field and the tenant to be
+    in the list of tenants on the user.
+
+    """
     user_ref = self.get_user(user_id)
     tenant_ref = None
     extras_ref = None

tests/test_backend_kvs.py

@@ -0,0 +1,46 @@
+
+from keystonelight import models
+from keystonelight import test
+from keystonelight.backends import kvs
+
+
+class KvsIdentity(test.TestCase):
+  def setUp(self):
+    super(KvsIdentity, self).setUp()
+    options = self.appconfig('default')
+    self.identity_api = kvs.KvsIdentity(options=options, db={})
+    self._load_fixtures()
+
+  def _load_fixtures(self):
+    self.tenant_bar = self.identity_api._create_tenant(
+        'bar',
+        models.Tenant(id='bar', name='BAR'))
+    self.user_foo = self.identity_api._create_user(
+        'foo',
+        models.User(id='foo',
+                    name='FOO',
+                    password='foo2',
+                    tenants=[self.tenant_bar['id']]))
+
+
+  def test_authenticate_bad_user(self):
+    self.assertRaises(AssertionError,
+        self.identity_api.authenticate,
+        user_id=self.user_foo['id'] + 'WRONG',
+        tenant_id=self.tenant_bar['id'],
+        password=self.user_foo['password'])
+
+  def test_authenticate_bad_password(self):
+    self.assertRaises(AssertionError,
+        self.identity_api.authenticate,
+        user_id=self.user_foo['id'],
+        tenant_id=self.tenant_bar['id'],
+        password=self.user_foo['password'] + 'WRONG')
+
+
+  def test_authenticate_invalid_tenant(self):
+    self.assertRaises(AssertionError,
+        self.identity_api.authenticate,
+        user_id=self.user_foo['id'],
+        tenant_id=self.tenant_bar['id'] + 'WRONG',
+        password=self.user_foo['password'])