170: pytest for Data Science and Machine Learning - Prayson Daniel
Prayson Daniel, a principle data scientist, discusses testing machine learning pipelines with pytest. Prayson is using pytest for some pretty cool stuff, including: unit tests, of course testing...
View Article171: How and why I use pytest's xfail - Paul Ganssle
Paul Ganssle, is a software developer at Google, core Python dev, and open source maintainer for many projects, has some thoughts about pytest's xfail. He was an early skeptic of using xfail, and is...
View Article172: Designing Better Software with a Prototype Mindset
A prototype is a a preliminary model of something, from which other forms are developed or copied. In software, we think of prototypes as early things, or a proof of concept. We don't often think of...
View Article173: Why NOT unittest?
In the preface of "Python Testing with pytest" I list some reasons to use pytest, under a section called "why pytest?". Someone asked me recently, a different but related question "why NOT unittest?"....
View Article174: pseudo-TDD - Paul Ganssle
In this episode, I talk with Paul Ganssle about a fun workflow that he calls pseudo-TDD. Pseudo-TDD is a way to keep your commit history clean and your tests passing with each commit. This workflow...
View Article175: Who Should Do QA?
Who should do QA? How does that change with different projects and teams? What does "doing QA" mean, anyway? Answering these questions are the goals of this episode.Sponsored By:Rollbar: Rollbar...
View Article176: SaaS Side Projects
The idea of having a software as a service product sound great, doesn't it? Solve a problem with software. Have a nice looking landing page and website. Get paying customers. Eventually have it make...
View Article177: Unit Test vs Integration Test and The Testing Trophy
A recent Twitter thread by Simon Willison reminded me that I've been meaning to do an episode on the testing trophy. This discussion is about the distinction between unit and integration tests, what...
View Article178: The Five Factors of Automated Software Testing
"There are five practical reasons that we write tests. Whether we realize it or not, our personal testing philosophy is based on how we judge the relative importance of these reasons." - Sarah Mei This...
View Article179: Exploratory Testing
Exploratory testing is absolutely an essential part of a testing strategy. This episode discusses what exploratory testing is, its benefits, and how it fits within a framework of relying on automated...
View Article180: Lean TDD
Lean TDD is an attempt to reconcile some conflicting aspects of Test Driven Development and Lean Software Development. I've mentioned Lean TDD on the podcast a few times and even tried to do a quick...
View Article181: Boost Your Django DX - Adam Johnson
We talk with Adam Johnson about his new book, "Boost Your Django DX". Developer experience includes tools and practices to make developers more effective and efficient, and just plain make software...
View Article182: An Unorthodox Technical Interview and Hiring Process - Nathan Aschbacher
Don't you just love technical interviews, with someone who just saw your resume or CV 5 minutes ago asking you to write some code on a whiteboard. Probably code that has nothing to do with anything...
View Article183: Managing Software Teams - Ryan Cheley
Ryan Cheley joins me today to talk about some challenges of managing software teams, and how to handle them. We end up talking about a lot of skills that are excellent for software engineers as well as...
View Article184: Twisted and Testing Event Driven / Asynchronous Applications - Glyph
Twisted has been supporting asynchronous / event driven applications way before asyncio. Twisted, and Glyph, have also been encouraging automated tests for a very long time. Twisted uses a technique...
View Article185: Python + Django + Rich + Testing == Awesome
Django has a handful of console commands to help manage and develop sites. django-rich adds color and nice formatting. Super cool. In a recent release, django-rich also adds nice colorized tracebacks...
View Article186: Developer and Team Productivity
Being productive is obviously a good thing. Can we measure it? Should we measure it? There's been failed attempts, like lines of code, etc. in the past. Currently, there are new tools to measure...
View Article187: Teaching Web Development, including Front End Testing
When you are teaching someone web development skills, when is the right time to start teaching code quality and testing practices? Karl Stolley believes it's never too early. Let's hear how he...
View Article188: Python's Rich, Textual, and Textualize - Innovating the CLI
Will McGugan has brought a lot of color to CLIs within Python due to Rich. Then Textual started rethinking full command line applications, including layout with CSS. And now Textualize, a new startup,...
View Article189: attrs and dataclasses - Hynek Schlawack
In Python, before dataclasses, we had attrs. Before attrs, it wasn't pretty. The story of attrs and dataclasses is actually intertwined. They've built on each other. And in the middle of it all, Hynek....
View Article190: Testing PyPy - Carl Friedrich Bolz-Tereick
PyPy is a fast, compliant alternative implementation of Python. cPython is implemented in C. PyPy is implemented in Python. What does that mean? And how do you test something as huge as an alternative...
View Article191: Running your own site for fun and absolutely no profit whatsoever -...
Having a personal site is a great playground for learning tons of skills. Brian Wisti discusses the benefits of running a his own blog over the years.Special Guest: Brian Wisti.Sponsored By:Rollbar:...
View Article192: Learn to code through game development with PursuedPyBear - Piper Thunstrom
The first game I remember coding, or at least copying from a magazine, was in Basic. It was Lunar Lander. Learning to code a game is a way that a lot of people get started and excited about...
View Article193: The Good Research Code Handbook - Patrick Mineault
I don't think it's too much of a stretch to say that software is part of most scientific research now. From astronomy, to neuroscience, to chemistry, to climate models. If you work in research that...
View Article194: Test & Code Returns
A brief discussion of why Test & Code has been off the air for a bit, and what to expect in upcoming episodes.Links:Python Testing with pytest, 2nd EditionGetting started with pytest Online...
View Article195: What would you change about pytest?
Anthony Sottile and Brian discuss changes that would be cool for pytest, even unrealistic changes. These are changes we'd make to pytest if we didn't ahve to care about backwards compatibilty....
View Article196: I am not a supplier
Should we think of open source components the same way we think of physical parts for manufactured goods? There are problems with supply chain analogy when applied to software. Thomas Depierre...
View Article197: Python project trove classifiers - Do you need this bit of...
Classifiers are one bit of Python project metadata that predates PyPI. Classifiers are weird. They were around in setuptools days, and are still here with pyproject.toml. What are they? Why do we need...
View Article198: Testing Django Web Applications
Django has some built in ways to test your application. There's also pytest-django and other plugins that help with testing. Carlton Gibson and Will Vincent from the Django Chat Podcast join the show...
View Article199: Is Azure Right for a Side Project?
For a web side project to go from "working on desktop" to "live in the cloud", one decision that needs to be made is where to host everything. One option is Microsoft Azure. Lots of corporate sites use...
View Article200: Keep a CHANGELOG
A changelog is a file which contains a curated, chronologically ordered list of notable changes for each version of a project. This episode is about what a changelog is, with an interview with Olivier...
View Article201: Avoid merge conflicts on your CHANGELOG with scriv
Last week we talked about the importance of keeping a changelog. This week we talk with Ned Batchelder about scriv, a tool to help maintain that changelog. Scriv "is a command-line tool for helping...
View Article202: Using Towncrier to Keep a Changelog
Hynek joins the show to discuss towncrier. At the top of the towncrier documentation, it says "towncrier is a utility to produce useful, summarized news files (also known as changelogs) for your...
View ArticleOpen Source at Intel
Open Source is important to Intel and has been for a very long time.Joe Curley, vice president and general manager of software products and ecosystem, and Arun Gupta, vice president and general manager...
View ArticleFree Your Inner Nonfiction Writer
Learn how to write nonfiction fast and well.Johanna Rothman joins the show to discuss writing nonfiction.Johanna's book: Free Your Inner Nonfiction Writer If you like Test & Code, I think you'll...
View Article205: pytest autouse fixtures
On a recent episode of PythonBytes, I suggested it's hard to come up with good examples for pytest autouse fixtures, as there aren't very many good reasons to use them. James Falcon was kind enough to...
View Article206: TDD in Context
TDD (Test Driven Development) started from Test First Programming, and has been around at least since the 90's. However, software tools and available CI systems have changed quite a bit since then....
View Article207: Welcome to "Python Test", pytest course, pytest-repeat and...
Podcast name: "Test & Code" -> "Python Test" Python Bytes Podcast Python People Podcast Python Test Podcast <- you are herewhich is still, at least for now, at testandcode.com New course:...
View Article208: Tests with no assert statements
Why on earth would you want to write a test with no assert statements?After all, aren't assert statements how you decide wether a test passes or fails?In this episode, we walk through a handful of...
View Article209: Testing argparse Applications
How do you test the argument parsing bit of an application that uses argparse?This episode covers: Design for Test: Structuring your app or script so it's easier to test. pytest & capsys for...
View Article210: TDD - Refactor while green
Test Driven Development. Red, Green, Refactor. Do we have to do the refactor part? Does the refactor at the end include tests? Or can I refactor the tests at any time? Why is refactor at the end?...
View Article211: Stamp out test dependencies with pytest plugins
We want to be able to run tests in a suite, and debug them in isolation, and have the behavior be the same. If the behavior is different in isolation vs in a suite, it's a nightmare to debug. In this...
View Article212: Canon TDD - by Kent Beck
In 2002, Kent Beck released a book called "Test Driven Development by Example".In December of 2023, Kent wrote an article called "Canon TDD".With Kent's permission, this episode contains the full...
View Article213: Repeating Tests
If a test fails in a test suite, I'm going to want to re-run the test. I may even want to re-run a test, or a subset of the suite, a bunch of times. There are a few pytest plugins that help with...
View Article214: Python Testing in VS Code
If you haven't tried running automated tests, especially with pytest, in VS Code recently, you should take another look.The Python for VS Code interface for testing, especially for pytest, has changed...
View Article215: Staying Technical as a Manager
Software engineers that move into leadership roles have a struggle between learning leadership skills, maintaining technical skills, and learning new leadership and technical skills. Matt Makai went...
View Article216: ruff, uv, and Astral: Python tooling, much faster, with Rust
Charlie Marsh and team are using Rust to make Python tooling faster.Ruff can take the place of Flake8, isort, and Black, and so much more.uv can take the place of pip, pip-tools, and virtualenvAstral...
View Article217: Podcasting / SaaS / Work Life Balance - Justin Jackson
If you've ever thought about starting a podcast or a SaaS project, you'll want to listen to this episode. Justin is one of the people who motivated me to get started podcasting. He's also running a...
View Article218: Balancing test coverage with test costs - Nicole Tietz-Sokolskaya
Nicole is a software engineer and writer, and recently wrote about the trade-offs we make when deciding which tests to write and how much testing is enough.We talk about:Balancing schedule vs...
View Article219: Building Django Apps & SaaS Pegasus - Cory Zue
I'm starting a SaaS project using Django, and there are tons of decisions right out of the gate. To help me navigate these decisions, I've brought on Cory Zue. Cory is the creator of SaaS Pegasus,...
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