test model greeting
change method to_dict of object Greeting
add some testcase
change method render_to_response
add unittest case for model
add unittest case for update/delete guestbook
test model greeting
change method to_dict of object Greeting
add some testcase
add unittest case for model
add unittest case for update/delete guestbook
Merge branch 'feature/unittest' of https://github.com/nhathv/training_python_nhathv into feature/unittest

Rebase unittest
rename file, and use Testbed
remove necessary code
use mock to test memcache
fix coding convention base on PEP8
use PEP8 to check coding convention
Merge pull request #14 from nhathv/feature/unittest

Merged pull request #14, Feature/unittest