1. Why We Need Mock When writing unit tests, the function under test is sometimes not a self-contained executable unit. It depends on external resources, such as the return value of another function or a value in a row of a database. To shield the test from interference from external

The Pytest framework is simple to use, rich in plugins, and powerful, and it is widely used for Python automated testing. This article introduces some basic concepts and usage of Pytest. 1. How It Runs Step one, Pytest reads its configuration from the command line or a file. Step two,