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How To Mock In Pytest? (A Comprehensive Guide)

In this article, we'll learn how to use Pytest's mocking features to simulate parts of your code and external dependencies.

Pytest 101

從上圖可以發現，所謂的Mock，其實就是在測試過程中，替換函式中的特定物件，目的是驗證特定情況下，函式的行為是否正常。

函式、全域變數、期望值設定

Mock 是什麼？為什麼要用它？ Mock 按造字面上解釋就是模擬，在許多的測試中(單元、整合、黑/白箱、回歸測試…)都可能因環境限制導致一些函式無法在測試中執行 

pytest-mock

This plugin provides a mocker fixture which is a thin-wrapper around the patching API provided by the mock package: import os class UnixFS: @staticmethod 

pytest-mock Tutorial: A Beginner's Guide to Mocking in

What is pytest-mock? pytest-mock is a plugin for the popular Python testing framework pytest that provides easy access to mocking capabilities.

The introduction of Pytest-mock

pytest-mock是一個基於python自帶的unittest.mock所做的包裝，可以讓我們使用pytest撰寫測試時能更容易調用mock。