Code coverage

[andriisoldatenko]

Issue Summary

Add code coverage using coverage.py and https://codecov.io

Steps to Reproduce

1. Install coverage
   pip install coverage
2. Create .coveragerc

[run]
branch = True
source = sendgrid, tests
omit = site-packages

2. Run tests with coverage coverage run -m unittest
3. See coverage report

Name                                   Stmts   Miss Branch BrPart  Cover
------------------------------------------------------------------------
sendgrid/__init__.py                       3      0      0      0   100%
sendgrid/helpers/__init__.py               0      0      0      0   100%
sendgrid/helpers/inbound/__init__.py       2      0      0      0   100%
sendgrid/helpers/inbound/app.py           23      5      4      1    70%
sendgrid/helpers/inbound/config.py        31      4      8      2    74%
sendgrid/helpers/inbound/parse.py         69     42     22      1    33%
sendgrid/helpers/inbound/send.py          28     28      0      0     0%
sendgrid/helpers/mail/__init__.py          1      0      0      0   100%
sendgrid/helpers/mail/mail.py            532     39    196     53    87%
sendgrid/sendgrid.py                      22      2      0      0    91%
sendgrid/version.py                        2      0      2      0   100%
------------------------------------------------------------------------
TOTAL                                    713    120    232     57    79%

4. Also you can add https://codecov.io to run on each PR

Technical details:

• sendgrid-python Version: master
• Python Version: 3.5

[thinkingserious]

Thanks @andriisoldatenko,

We have added this to our backlog.

[meahow]

I would like to have a look at this, if it's still open.

[mbernier]

@meahow do it!!

[meahow]

Thanks. Hope it helps