Gain insights into property-based testing with PropEr in Erlang. Delve into foundational principles, common frameworks, custom data generators, and applying testing in realistic projects for robust code validation.

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Property-based testing relies on specifying some property of code, rather than unit tests which specify the expected output in response to some inputs. In this course, you’ll cover the concepts you need to get started, up to the point where you feel confident enough to use the most advanced features of PropEr with Erlang.

You’ll start smoothly with the basic and foundational principles of property-based testing. From there, you will cover some of the common frameworks, how to think in properties, how to write your own custom data generators, and more. You'll also see how you can use Property-Based Testing in a realistic project.

By the time you finish this course, you will be comfortable testing real-world applications using properties.

Property-Based Testing with PropEr in Erlang

You now have all the knowledge required to use properties to find tricky bugs in all systems, from basic unit tests to larger integration suites. You’re ready to go on and start adding better tests to your software to make your software better as well.

# Summary

We went through 3 basic concepts of property-based testing:
1. __The basics__, which included the foundations of property-based testing, the general concepts required to write properties and generators, and the techniques used to make properties.

2. __Stateless properties__, which introduced you to stateless properties, the concepts of responsible testing, shrinking, and finally targeted properties. 

3. __Stateful properties__ which covered the basics of stateful properties and FSM properties. 

Finally, we reviewed a bookstore case study that used all the concepts that we’ve learned to test a working project. It showed us how property-based testing could be used along with unit testing to get the best results possible from the tests and assure us that a program’s quality is not questionable.

Take a look at a summary of the course as a whole.

Conclusion

Foundations of Property-Based Testing

Writing Properties

Thinking in Properties

Custom Generators

Responsible Testing

Properties-Driven Development

Shrinking

Targeted Properties

Stateful Properties

Case Study: Bookstore

State Machine Properties

Conclusion

Conclusion