on-demand course

Pytest Master Class

with Alfredo Deza, Noah Gift

October 2021

Intermediate

2h 46m

English

Pragmatic AI Labs

Closed Captioning available in German, English, Spanish, French, Italian, Japanese

Overview

Pytest Master Class Full Course

Learn to master testing in Python with Pytest from Five Time O'Reilly Author and AWS ML Hero Noah Gift

Pytest is a testing framework for Python that allows you to write tests in a readable and concise way. This close to three-hour course will teach you how to write tests in Python using Pytest as well as master CI/CD with Pytest. Take your testing and DevOps skills to the next level with this full-course Pytest Master Class.

Topics Covered Include:

00:00 Introduction
03:38 What is DevOps?
05:32 Github CodeSpaces
09:45 Create Python Project Structure: Makefile, requirements.txt, test file and virtualenv
16:33 Importing code with IPython
17:32 Writing tests with Pytest
21:58 Using Pylint
23:56 Verifying Pylint bad syntax catch
25:41 Formatting code with Black
26:38 Pinning requirements to a specific version
30:00 Setup Github Actions
37:38 Matrix Testing multiple versions of a Python 3.6, 3.7, 3.8, 3.9 with Github Actions
50:00 Using AWS CloudShell
53:00 Using AWS Cloud9
54:07 Adding virtualenv to ~/.bashrc
57:24 Using AWS CodeBuild
01:17:01 Testing Google Colab Notebooks and Jupyter Notebooks with nbval and Pytest
01:29:39 Using pdb;pdb.set_trace() and ipdb;ipdb.set_trace()
01:35:53 Using pytest-cov
01:37:47 Using pytest with --pdb pdb debbuging during tests
01:38:12 Using pytest with --pdb --maxfailures 1 to stop after first failure
01:42:20 Using pytest to test a single test
01:49:25 Using Pytest with fixtures
01:56:23 Using Pytest setup_function and teardown_function to setup and teardown of tests
02:00:00 Using flask web framework
02:04:25 Testing flask web framework with pytest
02:10:46 Extending flask with a greedy coin change machine
02:21:27 Using click to create a command line interface
02:30:39 Using Pytest to test click command line interfaces
02:44:42 Matrix testing entire project with click, pytest, and nbval using Github Actions and multiple versions of Python 3.6, 3.7, 3.8, 3.9

Learning Objectives

This course covers the following learning objectives:

Learn to master Pytest.
Learn to setup CI/CD pipelines with Pytest, Pylint, Python Black Formatting, Github Actions and AWS CodeBuild.
Learn to use Cloud-based development environments with Pytest like Githhub CodeSpaces, AWS Cloud9 and AWS CloudShell
Learn to create local test environments with Pytest and Virtualenv
Learn to use advanced functions like Pytest test selection, pdb (python debugger) and fixtures.
Learn to build a realistic problem including libraries, building command-line tools with Click and web frameworks with Flask.

Additional Popular Resources