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Jest · 🃏 Delightful JavaScript Testing
Jest is a JavaScript testing framework that makes it easy to write and run tests, helping developers ensure their code works as expected.
Easily test your JavaScript code
Jest is a popular JavaScript testing framework designed to help you write, organize, and run tests for your code with ease. Whether you’re building web apps, libraries, or backend services, Jest takes care of running your test suites and reporting results in a clear, simple way.
You’ll find helpful guides, documentation, and community support to get started quickly, even if you’re new to testing. Its focus on simplicity means you can spend less time setting up and more time making sure your code works as intended. If you’re looking to improve code reliability, Jest is a great tool to add to your workflow.
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Spock is a testing and specification framework for Java and Groovy, offering expressive syntax and seamless integration with major development tools.
testthat is an easy-to-use unit testing framework for R, helping you write reliable code with simple tools that fit smoothly into your workflow.
Teledyne LeCroy offers HDMI and DisplayPort testing tools for reliable video and audio analysis in development and manufacturing.
Calspan offers independent testing and technology development services for aerospace, defense, and automotive industries to advance innovation and safety.
Explore the UNH InterOperability Lab for advanced network and automotive device testing, certification, and resources to support product development.
Intertek helps businesses manage quality, safety, and compliance with assurance, testing, inspection, and certification services across industries.
TestDevLab provides expert software testing and quality assurance services for web, mobile, and desktop apps to help you deliver reliable products.
ISVR Consulting offers expert noise and vibration testing and acoustic design services to optimize products and environments.
Unicous offers flexible and affordable test systems for battery packs, inverters, and electric vehicle components, helping you test and validate EV tech.
SureHire offers workplace drug, alcohol, fitness, and health testing services across North America, helping employers ensure a safe and healthy workforce.
Japanese site for advanced testing and measurement equipment, offering shock, drop, and vibration test systems for transport safety and reliability.
Drive Test GmbH develops and manufactures testing and force measurement systems for automotive and rail industries. Available in German and English.
ift Rosenheim tests, certifies, and calibrates building products like windows, doors, and safety gear, providing official reports and certifications (German).
Test and analyze digital image quality with expert tools, software, and equipment for evaluating and improving photos and imaging devices.
C&S Group offers expert consulting and testing services for automotive networks, helping you ensure reliability, conformance, and interoperability.
OMICRON offers advanced testing and security solutions for power systems, helping utilities and engineers ensure reliable operation and safety.
Corelis offers engineering solutions and tools for hardware testing and development with strong customer support.
Bureau Veritas India offers testing, inspection, and certification services to ensure quality and compliance across industries.
SelectorsHub offers free tools and plugins that boost productivity for software testers with XPath, CSS selectors, and test case management.
DebugMail lets you test emails safely with a fake SMTP server, download messages as .EML files, and review how your emails look before sending them out.
Take official Chinese language proficiency tests, book exams, access prep materials, and find resources for learning or teaching Chinese on this platform.
Piletest offers advanced pile integrity and dynamic testing equipment, including crosshole sonic logging and expert support for construction projects worldwide.
PSI Solutions partners with manufacturers to offer test instrumentation, imaging, and embedded hardware products for industrial use.
Klippel GmbH offers advanced measurement and diagnostic tools for testing, analyzing, and improving loudspeakers and audio systems. Site available in several languages.
CircuitNav-Live offers a tester and app for real-time electrical diagnostics, helping you quickly identify wiring issues with instant, app-based feedback.
Connect with a community of developers to test your app for free, meet Google Play testing requirements, and get real feedback before launch.
Western Computational creates advanced test and measurement tools designed for modern technicians and engineers seeking reliable, innovative solutions.
Tektronix offers a wide range of test and measurement equipment, including oscilloscopes, multimeters, and calibration services for electronics professionals.
UL Benchmarks offers trusted performance tests like 3DMark and PCMark, letting you measure and compare the speed of PCs, servers, and devices worldwide.
Amarisoft provides 4G and 5G software for telecom testing and network solutions, offering tools for device simulation, private networks, and lab-to-field deployments.
Worldwide Jestjs.io Alternatives
Test Kitchen lets you run and test infrastructure code safely in isolated environments, making sure your setups work before you deploy them.
BIOS Implementation Test Suite (BITS) offers a bootable tool to test and verify BIOS initialization for Intel processors and hardware before OS loads.
CUnit is an open-source unit testing framework for C programmers, helping you test and validate code easily. Free to use and simple to integrate.
KTL offers industrial testing, certification, and technology services in Korea, supporting businesses with product safety and compliance information.
專業產品檢測與環球認證服務，協助企業快速通過安全與品質驗證，順利進入全球市場。（網站內容為中文）
TÜV Rheinland Nederland offers independent testing, inspection, and certification services for products, systems, and organizations. Dutch language site.
A site offering automatic memory testing solutions for DDR and flash memory modules with advanced hardware handlers.
FitNesse is a user-friendly wiki-based tool for creating, editing, and running tests, helping teams collaborate on software development and documentation.
Check if products are IPv6 compliant and view certified devices. Learn about the IPv6 Ready Logo program and see which products meet IPv6 standards.
Chaos Mesh lets you simulate faults and test the resilience of your Kubernetes applications, helping you spot and fix potential system issues early.
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