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Property-Based Testing with PropEr in Elixir

The Application: Getting Started

Explore how to begin testing an Elixir application based on a PostgreSQL bookstore by setting up supervisors and preparing for stateful property testing. Understand the application structure and its interaction with database queries to build a foundation for advanced property-based testing.

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The application

The application just starts a standard supervisor without children. This is how it’s done.

defmodule Bookstore.App do
  use Application

  def start(_type, _args) do
    Bookstore.Sup.start_link()
  end

  def stop(_state) do
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