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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

## The CSV parser
We can now move on to implementing a CSV parser. Here is a possible implementation:


# The CSV parser
We can now move on to implementing a CSV parser. Here is a possible implementation:


Take a look at the implementation of the CSV parser in our example application.

CSV Parsing in Erlang: The CSV Parser

CSV Parsing: The CSV Parser

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

CSV Parsing: The CSV Parser

The CSV parser