Property-Based Testing with PropEr in Elixir

Basic Custom Generators

Explore how to write basic custom generators in PropEr to control data size, apply transformations, filter outputs, and manage probabilities effectively for property-based testing. This lesson builds your foundation for creating complex test data in Elixir.

We'll cover the following...

Building blocks of custom generators

1.Foundations of Property-Based Testing

2.Writing Properties

3.Thinking in Properties

4.Custom Generators

5.Responsible Testing

6.Properties-Driven Development

7.Shrinking

8.Stateful Properties

9.Case Study: Bookstore

10.State Machine Properties

11.Conclusion

Basic Custom Generators

Building blocks of custom generators