February 2022
Intermediate to advanced
274 pages
6h 28m
English
Content preview from Python Testing with pytestBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3pytest Fixtures
Now that you’ve used pytest to write and run test functions, let’s turn our attention to test helper functions called fixtures, which are essential to structuring test code for almost any non-trivial software system. Fixtures are functions that are run by pytest before (and sometimes after) the actual test functions. The code in the fixture can do whatever you want it to. You can use fixtures to get a data set for the tests to work on. You can use fixtures to get a system into a known state before running a test. Fixtures are also used to get data ready for multiple tests.
In this chapter, you’ll learn how to create fixtures and learn how to work with them. You’ll learn how to structure fixtures to hold both setup and ...
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