Day 5 / May 20 (Fri)¶

Live Coding Session by Mateusz¶

A live coding session by Mateusz on his own solution to Scala Exercise: Intertwine Two Collections.

ScalaCheck¶

Introduction to ScalaCheck using Mateusz's my-zip.

Hunting down issues using ScalaCheck:

1. git clone https://github.com/MateuszSab/my-zip/
2. Install ScalaCheck
3. https://www.scalatest.org/user_guide/writing_scalacheck_style_properties

Use the following code:

check((a: List[Int], b: List[String]) => myzip(a, b).size == (a ::: b).size)

Learn More¶

1. ScalaCheck User Guide
2. ScalaTest + ScalaCheck
3. Property-based testing

Github Workflows¶

Introduction to Github Workflows by reviewing existing workflows:

• https://github.com/jaceklaskowski/scala-academy/blob/main/.github/workflows/ci.yml

Others¶

• https://github.com/cashapp/pranadb/tree/main/.github/workflows
• https://github.com/dbt-labs/dbt-spark/tree/main/.github/workflows
• https://github.com/delta-io/delta/tree/master/.github/workflows
• https://github.com/datapunchorg/punch/blob/main/.github/workflows

Home Exercise¶

Create a Github Workflow for your own project to execute sbt test on a push.