Pytest Tutorial 7 | Intermediate - Fixtures in Detail
In this tutorial, we'll explore one of the most powerful features of Pytest: fixtures. Fixtures allow you to set up the environment your tests need, making them more reliable and easier to maintain. We'll cover what fixtures are, how to create and use them, and tackle advanced topics like fixture scope, lifetime, and combining fixtures with parameterization. 1. What are Fixtures? Fixtures in Pytest are functions that manage the setup and teardown of resources needed by your tests. These could be anything from database connections to temporary files or even mock APIs. Using fixtures ensures that your tests start from a clean state and can be isolated from one another, which is crucial for consistent and reliable testing. 2. Creating and Using Fixtures Let's look at how to create a fixture and use it in a real-world scenario, such as testing an API client. Example: API Client Fixture Imagine you’re writing tests for a web application that interacts with a third-party API. You...