Coverage pyfepdf

[chazuttu]

Summary

This PR adds unit tests for the script pyfepdf.py and also increase the coverage for this script.
For the above purpose, some additional files are also modified.

• added unit tests for pyfepdf.py
• increased coverage to 80% on python 3

Checklist

• Classes, Variables, function and methods logic ok
• Comments written explaining what the code does
• All python code is PEP8 compliant (run black .)
• No lint issues (run flake8)
• Test coverage with pytest implemented
• Reviewers assigned (at least 1 mentor)

Manual test evidence

Python 3

pytest --cov-config=.coveragerc --cov=pyafipws tests/test_pyfepdf.py

============================ test session starts ======================
platform win32 -- Python 3.9.6, pytest-6.2.3, py-1.10.0, pluggy-0.13.1
rootdir: C:\User\Week_7_GSOC\pyafipws, configfile: pytest.ini
plugins: cov-2.12.1, freezegun-0.4.2, html-3.1.1, metadata-1.11.0, vcr-1.0.2
collected 14 items

tests\test_pyfepdf.py ..............                                                                                                                                                               [100%]


----------- coverage: platform win32, python 3.9.6-final-0 -----------
Name                                                                              Stmts   Miss  Cover
-----------------------------------------------------------------------------------------------------
test3\Lib\site-packages\PyAfipWs-3.9.b_2500_-py3.9.egg\pyafipws\__init__.py           4      0   100%
test3\Lib\site-packages\PyAfipWs-3.9.b_2500_-py3.9.egg\pyafipws\pyfepdf.py          802    162    80%

======================= 14 passed, 2 warnings in 5.86s ============================

Python 2

pytest --cov-config=.coveragerc --cov=pyafipws tests/test_pyfepdf.py

============================= test session starts =============================
platform win32 -- Python 2.7.18, pytest-4.6.11, py-1.10.0, pluggy-0.13.1
rootdir: C:\UsersDesktop\Week_7_GSOC\pyafipws, inifile: pytest.ini
plugins: cov-2.12.1, freezegun-0.4.2, html-1.22.1, metadata-1.11.0, vcr-1.0.2
collected 14 items

tests\test_pyfepdf.py ..............                                     [100%]



---------- coverage: platform win32, python 2.7.18-final-0 -----------
Name                                                                           Stmts   Miss  Cover
--------------------------------------------------------------------------------------------------
test2\Lib\site-packages\PyAfipWs-2.7.2500-py2.7.egg\pyafipws\__init__.py           4      0   100%
test2\Lib\site-packages\PyAfipWs-2.7.2500-py2.7.egg\pyafipws\pyfepdf.py          801    286    64%


==================== 14 passed, 1 warnings in 3.67 seconds ====================

[reingart]

Hi @chazuttu , the PR is very good!
I left some comments, please take a look and let me know if you need something to address them