Powermock automation testing framework index.

Test More In Less Time

Run Automation Testing In Parallel On The LambdaTest Cloud

Start for free

Description

PowerMock is a Java framework that allows you to unit test code normally regarded as untestable.

Support and updates

  • Powermock has 3839 stars, 569 forks.
  • It has 0 major releases in the past 6 months.
  • It has 0 commits and there are 17 open pull requests.
  • It has 436 open issues and 537 have been closed.

Code statistics

  • Powermock has 257 packages.
  • Powermock has 753 classes and 3331 methods.

Blogs

Check out the latest blogs from LambdaTest on this topic:

What Agile Testing (Actually) Is

So, now that the first installment of this two fold article has been published (hence you might have an idea of what Agile Testing is not in my opinion), I’ve started feeling the pressure to explain what Agile Testing actually means to me.

Fluent Interface Design Pattern in Automation Testing

Recently, I was going through some of the design patterns in Java by reading the book Head First Design Patterns by Eric Freeman, Elisabeth Robson, Bert Bates, and Kathy Sierra.

Project Goal Prioritization in Context of Your Organization’s Strategic Objectives

One of the most important skills for leaders to have is the ability to prioritize. To understand how we can organize all of the tasks that must be completed in order to complete a project, we must first understand the business we are in, particularly the project goals. There might be several project drivers that stimulate project execution and motivate a company to allocate the appropriate funding.

Getting Rid of Technical Debt in Agile Projects

Technical debt was originally defined as code restructuring, but in today’s fast-paced software delivery environment, it has evolved. Technical debt may be anything that the software development team puts off for later, such as ineffective code, unfixed defects, lacking unit tests, excessive manual tests, or missing automated tests. And, like financial debt, it is challenging to pay back.

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.

LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

License

Powermock is lincensed under the Apache License 2.0

LambdaTest Community Discussions

Questions
Discussion

What additional features does PowerMock offer over Mockito?

How can I use JUnit to test a class with private methods or fields without changing access modifiers?

'Can anyone summarize the features that PowerMock provides on top of Mockito? Specifically, I’ve found that PowerMock allows:

Mocking static, final, and private methods Removing static initializers Mocking without dependency injection (though this is unclear and needs elaboration) Does PowerMock offer any additional features? Also, what are the trade-offs or sacrifices involved when using PowerMock versus Mockito?

https://community.lambdatest.com/t/31526

Solution 1: Direct Comparison Summary

PowerMock extends Mockito by providing the following additional capabilities:

Mocking Static, Final, and Private Methods: PowerMock allows you to mock static methods, final methods, and private methods, which Mockito alone cannot handle.

Removing Static Initializers: It can remove static initializers from classes, which helps in isolating tests from static initialization code.

Mocking Without Dependency Injection: PowerMock can mock classes even when they are not designed for dependency injection, which allows for testing of legacy code without major refactoring. Additional Features:

Mocking constructors and static classes. Replacing real objects with mock objects for more comprehensive testing.

Trade-offs:

Increased Complexity: PowerMock adds complexity to the test setup and might require more configuration. Performance Overhead: Tests using PowerMock can be slower due to its advanced capabilities. Compatibility Issues: It may not always be compatible with the latest versions of Java or Mockito.

https://community.lambdatest.com/t/31526

Here’s my take on PowerMock’s features and the trade-offs it brings compared to Mockito:

PowerMock Features:

  • Mocking Static, Final, and Private Methods: PowerMock lets you mock those tricky methods that Mockito struggles with, making it a game-changer for testing.
  • Static Initializer Removal: No more headaches from static initialization code that can interfere with your tests—PowerMock handles it.
  • No Dependency Injection Required: It’s perfect for legacy code where dependency injection isn’t set up, making tests easier to write without restructuring everything.

Additional Capabilities:

  • You can even mock private constructors, which is super helpful when dealing with complex initialization scenarios.

Trade-offs:

  • Complex Configuration: PowerMock does require extra setup, which can make your test environment a bit harder to maintain over time.
  • Performance Impact: It’s heavier on performance compared to Mockito alone, so keep that in mind for larger test suites.
  • Tool Compatibility: Sometimes, compatibility with newer versions of Java or testing tools can be a bit of a pain, so it’s worth watching out for that.

Overall, while PowerMock gives you some powerful tools, you’ll want to weigh those benefits against the complexity and potential performance costs. For me, I usually turn to it only when Mockito hits its limits.

https://community.lambdatest.com/t/31526

Feature Summary with Pros and Cons PowerMock Enhancements:

Static, Final, and Private Method Mocking: Provides the ability to mock and verify static, final, and private methods, which Mockito cannot achieve. Static Initializer Removal: Helps in bypassing static initializers, which can affect test isolation. Mocking Without Dependency Injection: Allows testing of code that does not use dependency injection, which is particularly useful for legacy systems. Additional Features:

Ability to mock complex scenarios including class loaders and static inner classes.

Trade-offs:

Added Complexity: PowerMock introduces more complexity in test setups and can make tests harder to understand and maintain.

Slower Execution: Tests using PowerMock might run slower due to the additional processing required for advanced mocking.

Potential Compatibility Issues: It may have compatibility problems with newer versions of Mockito or other libraries.

https://community.lambdatest.com/t/31526

Test case code snippets

General webpage functionality - Test page text justification

Description:

Page text should be left-justified.

API Testing - Check locale-based representation

Description:

Verify that the API response contains the correct resource representation based on the specified locale (e.g. en-US, fr-FR).

API Testing - Check CORS preflight

Description:

Verify that the API correctly handles CORS preflight requests and returns the correct HTTP status code and error message.

General webpage functionality - Test broken links check

Description:

Check all pages for broken links.

Downloads

Powermock can be downloaded from it’s GitHub repository - https://github.com/powermock/powermock

Package and class index

samples.spy

...

HyperExecute

Accelerate Automation test execution upto 70% faster with the
next-gen testing platform.

samples.nativemocking

...

On Premise Selenium Grid

Scale your test execution with our cloud infrastructure paired
with your firewall.

Other similar frameworks

Carina

Carina is a Java-based test automation framework that unites all testing layers: Mobile applications (web, native, hybrid), WEB applications, Windows applications, REST services, Databases.

Citrus

Framework for automated integration tests with focus on messaging integration

Jmock-library

JMock is a library that supports test-driven development of Java code with mock objects. Hels design and test the interactions between the objects in your programs.

EvoMaster

AI tool to generate system-level test cases automatically for enterprise applications. Targets blackbox and whitebox testing of Web APIs

Sunshine

Sunshine allows you to manage suits of your automated tests directly from Java code.

Frameworks to try

Kluent

Fluent assertion library for Kotlin

Quick

Quick is a behavior-driven development framework for Swift and Objective-C. Inspired by RSpec, Specta, and Ginkgo. Quick comes together with Nimble

Selenoid

Selenoid is a powerful implementation of Selenium hub using Docker containers to launch browsers

Airborne

RSpec driven API testing framework

AspectMock

The most powerful and flexible mocking framework for PHPUnit / Codeception.

Run Powermock scripts on 3000+ browsers online

Perform automation testing with Powermock on LambdaTest, the most powerful, fastest, and secure cloud-based platform to accelerate test execution speed.

Test Now