[Chicago] ChiPy April 2024 __Main__ Meeting

[Joe Jasinski]

Hey ChiPy,

We have a great meeting planned that is just around the corner. If you
haven't already, please RSVP. See you there!

Thank you to Slalom Build for hosting us this month!

*RSVP HERE*
https://www.chipy.org/meetings/247/

*When*: April 11, 2024, 6 p.m.
6:00 pm *- *doors open; food
6:30 pm - talks start

*Where*: Slalom Build
200 E Randolph St, Suite 3800 Chicago, IL 60601

*Topics*

   - *Intro to Property-Based Testing with Hypothesis*
   By: Paul Zuradzki

   One shortfall of example-based unit tests is that they only test known
   examples. Property-based testing lets you test against randomized inputs if
   you can specify properties that must be true of the code's behavior
   ("invariants"). You also test your function against extreme-values (aka,
   fuzzing).

   In this talk, I will review some examples of property-based tests using
   the Hypothesis library. We will demo automated test generation
   ("ghostwriting" tests) to make writing tests easier. We will demo stateful
   testing to confirm that all possible states are valid in a program.
   Lastly, we will end with parting thoughts on how to specify properties.
   Often, the tricky part with PBT is knowing what to test! Since we are using
   randomized input, we need to specify properties that should hold true
   across all outputs.
   - *Exploring Cellular Automata in Python using Golly*
   By: Joshua Herman

   Golly is an open source, multiplatform tool for exploring various
   cellular automata (such as the game of life) that allows Python scripts to
   study and interact with the cellular automata. First we will look at the
   very basic operation of the rule by studying the game of life and also
   inputting new initial conditions such as gliders, still lifes and
   spaceships. Then we will switch over to study my cellular automata I
   created which I call  https://conwaylife.com/wiki/OCA:SnowLife and use
   Python scripts to analyze my cellular automata.

Thank you very much to our sponsors including

*Gold Sponsors:* SpotHero
*Silver Sponsors:* Braintree, JFrog, and Zoro
*Bronze Sponsors*: Foxtrot

Please be aware of our code of conduct http://www.chipy.org/pages/conduct/

Engage with ChiPy
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Meetup: https://www.meetup.com/_ChiPy_/
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