Allowing the role-user associated to be updated. (#396)

* Allowing the role-user associated to be updated.

* Fixing tests

* Fixing tests, for real.

lemur/roles/models.py

@@ -27,5 +27,5 @@ class Role(db.Model):
     authority_id = Column(Integer, ForeignKey('authorities.id'))
     authorities = relationship("Authority", secondary=roles_authorities, passive_deletes=True, backref="role", cascade='all,delete')
     user_id = Column(Integer, ForeignKey('users.id'))
-    users = relationship("User", secondary=roles_users, viewonly=True, backref="role")
+    users = relationship("User", secondary=roles_users, passive_deletes=True, backref="role")
     certificates = relationship("Certificate", secondary=roles_certificates, backref="role")

lemur/roles/service.py

@@ -27,8 +27,7 @@ def update(role_id, name, description, users):
     role = get(role_id)
     role.name = name
     role.description = description
-    if users:
-        role.users = users
+    role.users = users
     database.update(role)
     return role
 
@@ -45,8 +44,10 @@ def create(name, password=None, description=None, username=None, users=None):
     :return:
     """
     role = Role(name=name, description=description, username=username, password=password)
+
     if users:
         role.users = users
+
     return database.create(role)