Jest vs. PowerMock Comparison


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About Jest aims to work out of the box, config free, on most JavaScript projects. Make tests which keep track of large objects with ease. Snapshots live either alongside your tests, or embedded inline. Tests are parallelized by running them in their own processes to maximize performance. Tests are parallelized by running them in their own processes to maximize performance. By ensuring your tests have unique global state, Jest can reliably run tests in parallel. To make things quick, Jest runs previously failed tests first and re-organizes runs based on how long test files take. By ensuring your tests have unique global state, Jest can reliably run tests in parallel. To make things quick, Jest runs previously failed tests first and re-organizes runs based on how long test files take. Jest uses a custom resolver for imports in your tests, making it simple to mock any object outside of your test’s scope.	About Writing unit tests can be hard and sometimes good design has to be sacrificed for the sole purpose of testability. Often testability corresponds to good design, but this is not always the case. For example final classes and methods cannot be used, private methods sometimes need to be protected or unnecessarily moved to a collaborator, static methods should be avoided completely and so on simply because of the limitations of existing frameworks. PowerMock is a framework that extends other mock libraries such as EasyMock with more powerful capabilities. PowerMock uses a custom classloader and bytecode manipulation to enable mocking of static methods, constructors, final classes and methods, private methods, removal of static initializers and more. By using a custom classloader no changes need to be done to the IDE or continuous integration servers which simplifies adoption.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience DevOps teams looking for a JavaScript testing framework	Audience Unit Testing solution for developers
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing Free Free Version Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Jest United States jestjs.io	Company Information PowerMock github.com/powermock/powermock
Alternatives Cucumber SmartBear	Alternatives MockK
Cypress Cypress.io	Telerik JustMock Progress Telerik
JUnit	Typemock
Early EarlyAI	WireMock
Qualflare View All	Mockito View All
Categories Development Frameworks Supported Software Testing Supported Unit Testing Supported	Categories Test Automation Frameworks Supported Unit Testing Supported

Integrations AskUI Supported Bootstrap Not Supported CI Fuzz Supported Captain Supported Carrot Seed Supported Istanbul Supported JHipster Supported JUnit Not Supported Java Not Supported Katalon Recorder Supported Katalon True Platform Supported Launchable Supported Mockito Not Supported Nextbase Supported Nx Supported Parasoft Not Supported Pythagora Supported Qualflare Supported ZippyStarter Supported Zunoy MockAPI Supported Show More Integrations View All 23 Integrations	Integrations AskUI Not Supported Bootstrap Supported CI Fuzz Not Supported Captain Not Supported Carrot Seed Not Supported Istanbul Not Supported JHipster Not Supported JUnit Supported Java Supported Katalon Recorder Not Supported Katalon True Platform Not Supported Launchable Not Supported Mockito Supported Nextbase Not Supported Nx Not Supported Parasoft Supported Pythagora Not Supported Qualflare Not Supported ZippyStarter Not Supported Zunoy MockAPI Not Supported Show More Integrations View All 6 Integrations
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