Assertion Functions

Assertion functions

An important part of ensuring data integrity in analysis and modeling processes is the use of assertions. Assertions allow us to set up checks to confirm that our code behaves as expected. The pandas library provides a module named testing that comes with assertion functions for comparing pandas objects with one another.

It’s useful for unit tests and data quality checks so that we can catch errors early before they cause problems down the line. There are numerous assertion functions available, but we’ll focus on the commonly used ones: