We will cover libraries and frameworks such as unittest, doctest and py. Get up to speed fast on pytest, unittest, and nose. How to perform Pytest Fixtures-Python Unit Testing? Here is the step by step procedure with screenshots such as create a cursor object, add a cur. We will have a Python class. #4660: The number of selected tests now are also displayed when the -k or -m flags are used. Python already comes with powerful built-in testing utilities, such as unittest. Developed new engineering tools in Python to help team members with troubleshooting, data analysis, and automation of repetitive data capture and reporting tasks Designed and implemented the first virtualized NSP test lab replacing large, manually configured, physical hardware setups with an Openstack based test environment. unittest - Automated testing framework. You can vote up the examples you like or vote down the ones you don't like. With a full-bodied fixture model that is unmatched in any other tool, the pytest framework gives you powerful features such as assert rewriting and plug-in capability. IDLE is a Python editor that ships with Python. python-pytest-rerunfailures 7. The pytest testing framework helps you write tests quickly and keep them readable and maintainable - with no boilerplate code. It is feature-rich, but tests are still simple to write. pytest is a mature full-featured Python testing tool that. 3 Testing result in PyTest framework5Pytest Usages and Advantages for unit testing in Python 6 3. pytest-ordering: run your tests in order¶. #4627: Display a message at the end of the test session when running under Python 2. Consider this example failure , reported in jsonpickle #117 or this MongoDB test demonstrating a technique that works even when dependencies are required in the test. 2 work and proved to be a hit. We will create a efficiently structured test framework and learn how to use Python to perform our verification. If a test or a setup method fails its according captured output will usually be shown along with the failure traceback. ini in the test root, pytest returns filenames (for both discovery and execution) that are relative to the test root. Python for testing I don't know if there are some articles talking about statistics on the net about the correlation between Test Automation Engineer job offers and the Python programming language, with a comparison between other programming languages. The Python Extension for Visual Studio Code is highly configurable. This post uses our test_example_form. Sauce Labs is a cloud platform for executing automated and manual mobile and web tests. Python is an object-oriented programming language created by Guido Rossum in 1989. Specify the fixture as module scope, so if two tests need it, it will still only have setup/teardown called once. Python already comes with powerful built-in testing utilities, such as unittest. The Case for Testing. Pytest-cov support for who-tests-what. He has over 15 years of. In PyTest, to execute tests just type pytest in the terminal in the project root folder / tests folder. As with the class-decorator, the pytestmark special name tells pytest to apply it to each test function in the class. Probably, the most popular and most widely used ones are: the unittest module - part of the Python Standard Library; nose; py. In the question"What are the best Python unit testing frameworks?" pytest is ranked 1st while unittest is ranked 3rd. Python Testing 101: pytest Overview. Just run auto_test(FUNCTION) to run dozens of test. It leverages dependency injection concept for setup and teardown of your unit tests. I got “ModuleNotFounderror: no module named ‘app’” Some reseach on Google gave me the solution to run with python -m pytest tests/test_app. In lines 18-19, I patch the square and cube functions in their module because they are used in the main function. Click that link and let me know what's missing. fixtures不太好翻译,可看作是夹心饼干最外层的两片饼干。通常用 setup/teardown 来表示。 它主要用来包裹测试用例,为什么需要这样的饼干呢?. PyTest makes it easy to run Selenium tests with Python. Compare the […] Testing REST APIs with Python part -1. Read honest and unbiased product reviews from our users. Using a robust yet simple fixture model, it's just as easy to write small tests with pytest as it is to scale up to complex functional testing for applications, packages, and libraries. The book is useful both as tutorial for learning pytest as well as a reference for specific framework features. py as example to illustrate different pdb tracing features. vim file into your plugin directory or use. py file because internally pytest references tests as a fully qualified python module path. "pytest is a framework that makes building simple and scalable tests easy" - Pytest Installing pytest For using pytest we need to install pytest library using pip. pytest Official Site. We are happy to announce that the popular Python testing framework pytest is now supported. In this Python Programming Tutorial, we will be learning how to unit-test our code using the unittest module. But pytest is mainly being. Check it out!. The Python unit testing framework, sometimes referred to as “PyUnit,” is a Python language version of JUnit, by Kent Beck and Erich Gamma. Let's create a pytest test to check the brake function. Relaxed test discovery for pytest: python-pytest32; python-six; python-decorator View the file list for python-pytest-relaxed. Testing your code with pytest August 13, 2017 November 12, 2017 / Will Robinson If you’re fairly new to coding chances are you’ve run into an issue where you make a minor change in one place, and then end up breaking your script in another place. Also by default it expects test function names to start with test_ prefix. This article begins to explore this new world by introducing the leading testing frameworks and looking at their most basic features. Now execute the tests. pytest - is a mature full-featured Python testing tool that helps you write better programs. Sympy has a special role as it allows SYMbolic computation rather than numerical computation. If you've bought a PDF of the book and would like to update it to this version (for free), visit your home page. py wich worked fine. In short pytest is a one stop solution for all sort of python testing be it unit, functional, highly complex functional or acceptance tests (BDD). python -m pytest test_sample. As we all know that Python is a programming language that is used to write programs and codes for various applications and software but there is also a framework that is provided by the Python to perform the testing of the software and this framework is known PY test. Testing is done to ensure that nuitka is building the wheel correctly. Pytest-flask is a plugin for pytest that provides a set of useful tools to test Flask applications and extensions. This is very handy when we want to run only a subset of tests like "smoke tests" to quickly verify if the changes made by the developer not breaking any major functionalities. Gentoo package dev-python/pytest-runner: Adds support for tests during installation of setup. If code does not compile, unit test will fail and you have a failing build. The Environment section is provided by the pytest-metadata, plugin, and can be accessed via the pytest_configure hook: def pytest_configure (config): config. PyCharm has long had very good “visual testing” features, including good support for pytest. They will glue each one of those Gherkin steps, based on its text, to some sort of method or function in a programming language, such as Python, so that the BDD test framework can run all those scenarios, like scripts. GUI Testing. Also by default it expects test function names to start with test_ prefix. How to perform Pytest Fixtures-Python Unit Testing? Here is the step by step procedure with screenshots such as create a cursor object, add a cur. Testing and profiling Python code simultaneously using pytest and cProfile. pytest is a mature full-featured Python testing tool that helps you write better programs. Python Testing 101: pytest Overview. The entire documentation of Hypothesis is beautifully written and available ️ here and I recommend you to go through it. test; All of them work very well, and they are all sufficient for basic unit testing. The idea here is that you define the test a single time, but tell pytest which inputs and outputs to provide. pytest 中同样提供了 main() 来函数来执行测试用例。 pytest/ ├── test_pytest1. The pytest testing framework helps you write tests quickly and keep them readable and maintainable—with no boilerplate code. Due to some environment constraints I got stuck with Python 2. In these examples I'll keep both the code under test and the testing function in the same file. pytest: helps you write better programs¶. 2 ensuring a function triggers a deprecation warning You can also call a global helper for checking that a certain function call triggers a Deprecation warning: import pytest def test_global. I recently started using pytest and it is an incredible test framework for python! After reading Brian Okken's book titled "Python Testing with pytest", I was convinced that I wanted to start using pytest instead of the built-in unittest module that comes with python. At a high-level unit testing is the practice of testing functions or units of code. fixture A test function can use a fixture by mentioning the fixture name as an input parameter. Learners will write tests for several existing functions in a provided library, including testing strings, integers, floats, lists, and arrays. It makes simple tests incredibly easy to write, and is full of advanced features (and tons of plugins) that help with more advanced testing scenarios. The use of assert statements can be taken to its full potential by writing tests, that you can run with minimal effort using the pytest module each time you have done some modifications of your code. Brian Okken covers all the ins and outs of the framework. smoke This is very handy when we want to run only a subset of tests like "smoke tests" to quickly verify if the changes made by the developer not breaking any major functionalities. py; method or function 的名字前綴為 test_ * 位於 class 中同上命名規則的 method 但 class 的名字前綴為 Test * 且沒有 __init__ method; 特殊檔名; conftest. pytest by default comes with Python debugger support and allows to open the debugger pdb prompt(via a command line option) at the start of a test or when there are test failures. Test driven development with pytest¶ Test Driven Development with Python book by Harry Percival is a nice practical introduction to TDD with Python in the web development context. In these examples I'll keep both the code under test and the testing function in the same file. If you've bought a PDF of the book and would like to update it to this version (for free), visit your home page. In the documentation of pytest various examples for test cases are listed. The first article in this three-part series looked at the revolution that is occurring in Python testing thanks to standard testing frameworks like zope. Still, when trying out pytest for a first time, there is a small learning. Consistency in Python Automation Testing is key in providing good quality products and using Test Artifacts is the key to achieving it. For Python-based projects, pytest is the undeniable choice to test your code if you're looking for a full-featured, API-independent, flexible, and extensible testing framework. And, by this, we mean that Pytest is a command-line tool which automatically searches all the tests which you may have written. py import subprocess print subprocess. test prefixed test functions or methods inside Test prefixed test classes (without an __init__ method) For examples of how to customize your test discovery Changing standard (Python) test discovery. But before running you have to first add configuration for the Python testing. You can now edit your. Each is the de facto standard unit testing framework for its respective language. pyTestArgs: Arguments passed to the pytest. 3 Preview 2), which contains newly-added pytest support a re-worked unittest experience for Python users. Request is a Python Module for testing application programming interface with features of get , post, put and delete. This page is powered by a knowledgeable community that helps you make an informed decision. Command line options. It is compatible with the Python unittest framework. Do less work when testing your Python code, but be just as expressive, just as elegant, and just as readable. Sympy has a special role as it allows SYMbolic computation rather than numerical computation. They should be able to pick up and run existing tests without any or little configuration. Brian Okken covers all the ins and outs of the framework. The latest version of the book is P2. I was using pytest with Django for the first time. As you learn more about testing and your application grows, you can consider switching to one of the other test frameworks, like pytest, and start to leverage more advanced features. According to the 2018 Python developer survey, it's also the most popular Python test framework by far. The build will run all python tests in all of my source code folder, thanks to Pytest that does everything for you, both discovering and run all tests in the folder. In the Python ecosystem there are tools which can be integrated into Jenkins for testing/reporting such as: nose2 and pytest for executing unit tests and generating JUnit-compatible XML test reports and Cobertura -compatible code coverage reports. Problem with parallel testing (POM, python, selenium, pytest) Ask Question Asked 21 days ago. The pytest framework makes it easy to write small tests, yet scales to support complex functional testing for applications and libraries. However, the shorter command does not append. pytest has the option --capture=method in which method is per-test capturing method, and could be one of the following: fd, sys or no. Either drop the plugin/pytest. This release also includes an enhancement to unit tests run with pytest: you can now see failed tests in the problems window. Each argument is a separate item in the array. py wich worked fine. This tutorial demonstrates the major features of PyTest, a software testing framework, and how it integrates with Selenium WebDriver for testing Python apps. Testing in Python Mailing List. As you learn more about testing and your application grows, you can consider switching to one of the other test frameworks, like pytest, and start to leverage more advanced features. They are extracted from open source Python projects. 其他安装方式: 在tasks_proj执行:"pip install. 生成 html 测试报告 当然,更多时候,我们希望 pytest 能生成漂亮的测试报告。这需要安装 pytest 的扩展--pytest-html 。 > pip install pytest-html # 通过 pip 安装 pytest-html. The pytest framework makes it easy to write small tests, yet scales to support complex functional testing for applications and libraries. The idea here is that you define the test a single time, but tell pytest which inputs and outputs to provide. The book is useful both as tutorial for learning pytest as well as a reference for specific framework features. We have taken care of this by using pytest fixtures. The former is more robust and has had Python 3 support for much longer, so we'll discuss it here. test; pytest debug print logging in real time; pytest full support for unittest fixtures; The power of “Thank You”. The pytest framework makes it easy to write small tests, yet scales to support complex functional testing for applications and libraries. 3 Preview 2), which contains an updated testing experience for Python developers. Its fine to use pytest as your fork repository name 2. With a full-bodied fixture model that is unmatched in any other tool, the pytest framework gives you powerful features such as assert rewriting and plug-in capability. This section will explain how the Web tests are designed. Python makes it really simple. test) from within VIM. Richard provides an overview of both unit testing and TDD, explaining why both are crucial for developers. The tests run just fine as we saw, but the highlighting of the source is just not there. It leverages automated testing suites, like pytest - a testing. You should be able to get this test running by copy and pasting the above code into a file tests/test_. py file uses the same algorithm as pytest uses to find pytest. Improve Your Selenium WebDriver Tests. Automation Panda - Python Testing. This tutorial will make web UI testing easy. *FREE* shipping on qualifying offers. Python’s inspect module is super helpful. In the Python world, “pytest” has rocketed to popularity in the last few years — largely because of how easy it is to use and integrate into your software-testing framework. Here is a simple self-contained test: # content of test_recwarn. At Python Frederick this month, I presented the fundamentals of testing Python code using pytest. 5, PyPy and (possibly still) Jython-2. In this course, join Richard Wells as he covers unit testing and TDD for Python projects. This means that you can turn your automatically generated tests into individual pytest test cases with one line. #4688: pytest_report_teststatus hook now can also receive a config parameter. This course introduces “pytest”, from installation and configuration, through common things you might want to test, to repeating tests, to mocking, fixtures, and. One way to extend and improve your web UI testing with Python is to run them in parallel. Second test, you'll see it pop up again, and this time you might catch a glimpse of some of the searching it does. Practice while you learn with exercise files Download the files the instructor uses to teach the. We are going to make use of this library. Python Testing with pytest is the book on pytest*. You can also save this page to your account. To run pytest, simply run the following in the top-level folder where Python tests exist: $ pytest. But before leaving, we want to introduce you to pytest, a framework that makes it fun to write small tests. If I’m using pytest for that, I need to patch it as test_function. As we all know that Python is a programming language that is used to write programs and codes for various applications and software but there is also a framework that is provided by the Python to perform the testing of the software and this framework is known PY test. raises context manager or the use of assert while they become useful for the actual tests. Tavern is a pytest plugin, command-line tool and Python library for automated testing of APIs, with a simple, concise and flexible YAML-based syntax. Do less work when testing your Python code, but be just as expressive, just as elegant, and just as readable. pytest Compatible: Like Hypothesis itself, hypothesis-auto has built-in compatibility with the popular pytest testing framework. Welcome to pytest-cov’s documentation! Distributed testing (xdist) “load” mode “each” mode; Subprocess support. I recently started using pytest and it is an incredible test framework for python! After reading Brian Okken's book titled "Python Testing with pytest", I was convinced that I wanted to start using pytest instead of the built-in unittest module that comes with python. Mocking input and output for Python testing; Testing random numbers in Python using mocks; Python: fixing random numbers for testing; Python: PyTest fixtures - temporary directory - tmpdir; Caching results to speed up process in Python; Python unittest fails, but return exit code 0 - how to fix; Testing with PyTest. The build will run all python tests in all of my source code folder, thanks to Pytest that does everything for you, both discovering and run all tests in the folder. #### Logging examples # test setup (fixtures) x = 2 data = {'x': x} # asserts get compiled out with python -O2 assert x == 2 # these always run class TestTwo (unittest. Use plain Python assert instead of Xunit jargon Fixtures Makes it easy to define your test preconditions Fixtures can be nested arbitrarily, allowing complex dependency trees Cleanup is handled gracefully. In PyTest, to execute tests just type pytest in the terminal in the project root folder / tests folder. The tests run just fine as we saw, but the highlighting of the source is just not there. We will also learn how to use a Python test runner tool "pytest" see why test runner tools are critical for automation testing. Pytest is a Python testing tool. Python Request Module for testing API. Get up to speed fast on pytest, unittest, and nose. Introduction. In this Python Programming Tutorial, we will be learning how to unit-test our code using the unittest module. 4” Python interpreter. 0, released 11 months ago. How do you test a single file in pytest? I could only find ignore options and no "test this file only" option in the docs. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Mocking input and output for Python testing; Testing random numbers in Python using mocks; Python: fixing random numbers for testing; Python: PyTest fixtures - temporary directory - tmpdir; Caching results to speed up process in Python; Python unittest fails, but return exit code 0 - how to fix; Testing with PyTest. Python Unittest - Testing With pytest. py wich worked fine. For Python-based projects, pytest is the undeniable choice to test your code if you're looking for a full-featured, API-independent, flexible, and extensible testing framework. Python has a couple of test frameworks that ease the task of web application testing; unittest and pytest are the most widely used frameworks. py Submitted by harrydev on Sat, 08/18/2018 - 12:48 Fixtures are a powerful feature of PyTest. 6, Jython, PyPy-2. Use features like bookmarks, note taking and highlighting while reading Python Testing with pytest: Simple, Rapid, Effective, and Scalable. Test your packaging. Each test has a setup, run, and teardown phase. Test Automation for Mobile Apps using Appium and Python (Chapter 7. The pytest testing framework helps you write tests quickly and keep them readable and maintainable—with no boilerplate code. Note that on Windows you need to open the Command Prompt and run: python -m idlelib. Everything is already set up. For the first time, I really feel like testing is something I can and should do on a. pytest Plugins Compatibility. vimというvim プラグインが便利らしいのである程度書けるようになったらチェックしよう。 pythonのテストにpytestを使ってみた; TDD Advent Calendar 2013 3日目: vim と py. Internet is shifted from unittest or nose to pytest because it provides powerful features. Testing in Python Mailing List. Python already comes with powerful built-in testing utilities, such as unittest. Sympy has a special role as it allows SYMbolic computation rather than numerical computation. Brian Okken covers all the ins and outs of the framework. The PyCharm help has a good page on pytest (including the new fixtures and pytest-bdd support. The build will run all python tests in all of my source code folder, thanks to Pytest that does everything for you, both discovering and run all tests in the folder. IDLE is a Python editor that ships with Python. pytest is a testing tool that will give you more flexibility over running your unit tests. What makes pytest so great is the fact that it's so simple and concise and Pythonic. Python Testing with pytest: Simple, Rapid, Effective, and Scalable. It demonstrates the use of py. Testing With Pytest No classes needed! Fully takes advantage of Python’s dynamism to help you design beautiful tests. The anaconda’s test runner is an original contribution by @NorthisUp to the project. The idea here is that you define the test a single time, but tell pytest which inputs and outputs to provide. In this Python Programming Tutorial, we will be learning how to unit-test our code using the unittest module. 5 (untested); Rich plugin architecture, with over 150+ external plugins and thriving community;. Testing our code can help us catch bugs or unwanted behavior. Do less work when testing your Python code, but be just as expressive, just as elegant, and just as readable. pyTestEnabled as outlined here. Mocking input and output for Python testing; Testing random numbers in Python using mocks; Python: fixing random numbers for testing; Python: PyTest fixtures - temporary directory - tmpdir; Caching results to speed up process in Python; Python unittest fails, but return exit code 0 - how to fix; Testing with PyTest. This course introduces “pytest”, from installation and configuration, through common things you might want to test, to repeating tests, to mocking, fixtures, and. py and running. 0, released 11 months ago. Used for all kinds of software testing, pytest is another top Python test framework for test automation. Python for testing I don't know if there are some articles talking about statistics on the net about the correlation between Test Automation Engineer job offers and the Python programming language, with a comparison between other programming languages. Consider this example failure , reported in jsonpickle #117 or this MongoDB test demonstrating a technique that works even when dependencies are required in the test. Auto-discovery of test modules and functions; Modular fixtures for managing small or parametrized long-lived test resources; Can run unittest (including trial) and nose test suites out of the box; Python 3. Testing relational database assests such as stored procedures, functions, and views can be awkward. Looking for the manage. Developed new engineering tools in Python to help team members with troubleshooting, data analysis, and automation of repetitive data capture and reporting tasks Designed and implemented the first virtualized NSP test lab replacing large, manually configured, physical hardware setups with an Openstack based test environment. "2,081" or "314,942" , as you can see in the IPython Shell. First of all we have to write some code to unit test them. Python's unittest module, sometimes referred to as 'PyUnit', is based on the XUnit framework design by Kent Beck and Erich Gamma. Join Matt Harrison for a hands-on introduction to pytest and related tools. Our test code assert the expected value with the actual value returned by function. *FREE* shipping on qualifying offers. 6 (or above) installed and the ability to run IDLE. pytest introduction. pytest: helps you write better programs¶. Brian did a great job exploring this awesome framework. Gaps in testing can be identified and assessed by running a utility, such as Python’s coverage utility. On August 14, 2019, I teamed up with SmartBear to deliver a one-hour webinar about Web UI testing with Python! It was an honor to work with Nicholas Brown, Digital Marketing Manager for CrossBrowserTesting at SmartBear Software, to make this webinar happen. Each argument is a separate item in the array. Most of them show the test of functions. fixture A test function can use a fixture by mentioning the fixture name as an input parameter. test fixtures in conjunction with Selenium and SauceLabs. # Python program that can be executed to report whether particular # python packages are available on the system. Click on the add configuration and click on the plus site and select Python Tests>>pytest and add the required field. Our test code assert the expected value with the actual value returned by function. idle) Recommended preparation: Getting started with Python 3 (live online training course with Matt Harrison). We will build a simple yet robust web UI test solution using Python, pytest, and Selenium WebDriver. 14-day free trial. Pytest Fixtures: Nervous system of pytest Fixtures are the key concept in pytest which can essentially provide baseline for test creation and execution. I need to finish adding some unittests and a functional test for a module. Select the test framework for a Python project. As the name suggests, in this course we'll be looking at how to use the pytest-bdd test framework to write behavior-driven tests in Python. Testing With Pytest No classes needed! Fully takes advantage of Python’s dynamism to help you design beautiful tests. Python has long had a culture of testing and pytest has emerged as the clear favorite for testing frameworks. 生成 html 测试报告 当然,更多时候,我们希望 pytest 能生成漂亮的测试报告。这需要安装 pytest 的扩展--pytest-html 。 > pip install pytest-html # 通过 pip 安装 pytest-html. Testing is done to ensure that nuitka is building the wheel correctly. For Python-based projects, pytest is the undeniable choice to test your code if you're looking for a full-featured, API-independent, flexible, and extensible testing framework. GitHub Repo – Chapter 4. py wich worked fine. python -m pytest test_sample. Our one test imports the view, makes a dummy request, and sees if the view returns what we expect. It is ideally designed for rapid prototyping of complex applications. You can do this by applying a Python decorator to the test function. In these examples I'll keep both the code under test and the testing function in the same file. 2 ensuring a function triggers a deprecation warning You can also call a global helper for checking that a certain function call triggers a Deprecation warning: import pytest def test_global. The pytest framework makes it easy to write small tests, yet scales to support complex functional testing for applications and libraries. What are some Best Practices for unit testing and Test Driven Development. pytest can be used by development teams, QA teams, inde-pendent testing groups, individuals practicing TDD, and open source projects. Either drop the plugin/pytest. ", 或者在上级目录执行"pip install -e tasks_proj"。. The top layer for pytest-bdd tests is the set of Gherkin feature files. The same pattern is repeated in many other languages, including C, Perl, Java, and Smalltalk. 1 or use the package in develop/in-place mode with a checkout of the pytest-xdist repository python setup. With a full-bodied fixture model that is unmatched in any other tool, the pytest framework gives you powerful features such as assert rewriting and plug-in capability. These can be assessed and either ignored, perhaps for being trivial, or tests written to increase. the pytest fixture solution. The maintainers of pytest and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. pytest (Python TESTing): a code testing framework The packages numpy , scipy , pandas and matplotlib are building stones of computational work with Python and widely used. 4” Python interpreter. Copyright © 2002-2019 Judd Vinet and Aaron Griffin. I also liked that the publisher was The Pragmatic Programmers, which I've. Each is the de facto standard unit testing framework for its respective language. test, and nose. We have taken care of this by using pytest fixtures. In fact, projects all over the Internet have switched from unittest. A test can have more than one marker, and a marker can be on … - Selection from Python Testing with pytest [Book]. Do less work when testing your Python code, but be just as expressive, just as elegant, and just as readable. We are going to make use of this library. Python already comes with powerful built-in testing utilities, such as unittest. OrderedDict. nosetests - is a nicer testing for python. The Python Testing Tools Taxonomy. Our test code assert the expected value with the actual value returned by function. It works with and connects to established tools including those for Continuous Integration. py to the higher level directory. Testing and profiling Python code simultaneously using pytest and cProfile. The pytest people agree, and they suggest the use of "parametrized tests". We will build a simple yet robust web UI test solution using Python, pytest, and Selenium WebDriver. This code is meant for actual py. Its fine to use pytest as your fork repository name 2. Improve your Python testing even more. 6 (or above) installed and the ability to run IDLE. 生成 html 测试报告 当然,更多时候,我们希望 pytest 能生成漂亮的测试报告。这需要安装 pytest 的扩展--pytest-html 。 > pip install pytest-html # 通过 pip 安装 pytest-html. Some of the Pytest highlighted features Assert statements; Automatic Tests discovery; Test fixtures ( Function , module and session level ) Parametrizing test functions. What are Test Doubles and how do you implement and use them with unittest. The aim is to help you to write unit tests that improve code quality, and also support future development. Test your packaging. The Python unit testing framework, sometimes referred to as “PyUnit,” is a Python language version of JUnit, by Kent Beck and Erich Gamma. py imports the Python standard unit testing framework.