Python Unit Testing With PyTest 1 - Getting started with pytest

In this Python Unit Testing With PyTest video I am going to show you :
- What is Unit Testing
- Advantages of unit testing
- Available unit testing frameworks in python
- How to install pytest using pip
- write unit tests for our python script
- run unit tests using pytest
- commonly used pytest commands

What is Unit Testing - According to wikipedia, unit testing is a software testing method by which individual units of source code are tested to determine whether they are fit for use.

Why Unit Test? -
Tests Reduce Bugs in New Features and Existing Features
Tests Are Good Documentation
Tests Reduce the Cost of Change
Faster Debugging
Faster Development
Better Design

Python Testing frameworks
unittest - In the Python Standard Library
nose - Not in the Standard Library. Simpler tests than unittest
pytest - Not in the Python Standard Library.

run with following command:
pytest test_math_func.py -v
or
py.test

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