Testcase: Write Testcases for Nova extension - security group /rules

Fix proposed to branch: master
Review: https://review.openstack.org/3794

The test ran successfully on the local environment. Please find the nosetests and pep8 logs below.

Nosetests log:

rajalakshmi_ganesan@pshys0183:~/Desktop/latest-tempest/tempest/tempest/tests$ nosetests -svx test_security_groups.py
Negative test:Deletion of a nonexistant Security Group should Fail ... ok
Security Group should be created, verified and deleted ... ok
Security Group should be created, fetched and deleted ... ok
Negative test:Security Group with duplicate name should not be created ... ok
Negative test:Security Group should not be created with description as ... ok
Negative test: Security Group should not be created with group name as ... ok
Negative test:Should not be able to GET the details ... ok
Positive test:Should return the list of Security Groups ... ok

----------------------------------------------------------------------
Ran 8 tests in 44.426s

OK
rajalakshmi_ganesan@pshys0183:~/Desktop/latest-tempest/tempest/tempest/tests$ nosetests -svx test_security_group_rules.py
Positive test: Creation of Security Group rule should be successfull ... ok
Positive test: Deletion of Security Group rule should be successfull ... ok
Negative test: Creation of Security Group rule should FAIL ... ok
Positive test: Creation of Security Group rule with optional arguments ... ok
Negative test: Deletion of Security Group rule should be FAIL ... ok

----------------------------------------------------------------------
Ran 5 tests in 52.960s

OK

Pep8 log:

rajalakshmi_ganesan@pshys0183:~/Desktop/latest-tempest/tempest/tempest/services/nova/json$ pep8 security_groups_client.py
rajalakshmi_ganesan@pshys0183:~/Desktop/latest-tempest/tempest/tempest/services/nova/json$ cd ../../../tests/
rajalakshmi_ganesan@pshys0183:~/Desktop/latest-tempest/tempest/tempest/tests$ pep8 test_security_groups.py
rajalakshmi_ganesan@pshys0183:~/Desktop/latest-tempest/tempest/tempest/tests$ pep8 test_security_group_rules.py
rajalakshmi_ganesan@pshys0183:~/Desktop/latest-tempest/tempest/tempest/tests$

Submitting the code for review.

Reviewed: https://review.openstack.org/3794
Committed: http://github.com/openstack/tempest/commit/37b32b6971dc519e745c958f6af3393502434545
Submitter: Jenkins
Branch: master

commit 37b32b6971dc519e745c958f6af3393502434545
Author: rajalakshmi-ganesan <email address hidden>
Date: Mon Feb 6 17:21:20 2012 +0530

    Fixes bug 902352 – New tests for security groups

    Change-Id: Id74c968afcac1546c90e9abceb7bbaade2d11d4e