Showing 462 open source projects for "library"

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  • 1
    Vegeta

    Vegeta

    HTTP load testing tool and library. It's over 9000!

    Vegeta is a versatile HTTP load testing tool built out of a need to drill HTTP services with a constant request rate. It can be used both as a command line utility and a library. You can install Vegeta using the Homebrew package manager on Mac OS X. Both the library and the CLI are versioned with SemVer v2.0.0. After v8.0.0, the two components are versioned separately to better isolate breaking changes to each. CLI releases are tagged with cli/vMAJOR.MINOR.PATCH and published on the Github releases page. ...
    Downloads: 26 This Week
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  • 2
    Fortio

    Fortio

    Fortio load testing library, command line tool, advanced echo server

    ...It can run for a set duration, for a fixed number of calls, or until interrupted (at a constant target QPS, or max speed/load per connection/thread). Fortio is a fast, small (4Mb docker image, minimal dependencies), reusable, embeddable go library as well as a command line tool and server process, the server includes a simple web UI and REST API to trigger run and see graphical representation of the results (both a single latency graph and a multiple results comparative min, max, avg, qps and percentiles graphs).
    Downloads: 37 This Week
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  • 3
    Playwright

    Playwright

    Node library to automate Chromium, Firefox & WebKit with a single API

    Playwright is a Node library for automating Chromium, Firefox and WebKit using a single API. It supports headless execution for all these browsers on Linux, macOS and Windows, providing automated web browser interactions that are fast, capable, reliable and ever-green. Playwright enables a broad spectrum of cross-browser web automation capabilities, which are used by Single Page Apps and Progressive Web Apps.
    Downloads: 29 This Week
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  • 4
    Kotlin Compile Testing

    Kotlin Compile Testing

    Testing Kotlin and Java annotation processors, compiler plugins

    A library for in-process compilation of Kotlin and Java code, in the spirit of Google Compile Testing. For example, you can use this library to test your annotation processor or compiler plugin.
    Downloads: 9 This Week
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    React Native Owl

    React Native Owl

    Visual regression testing library for React Native

    React Native Owl is a visual regression testing library for React Native that enables developers to introduce visual regression tests to their apps for iOS and Android. Being heavily inspired by Detox, an end-to-end testing and automation framework, this library uses a similar API that makes setting up react-native-owl and running the tests locally and on your preferred CI service seamless.
    Downloads: 6 This Week
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  • 6
    Concurrent Ruby

    Concurrent Ruby

    Modern concurrency tools including agents, futures, promises, etc.

    ...It is small, lean, and loosely coupled, thread-safety, and with backward compatibility. Concurrent Ruby makes one of the strongest thread safety guarantees of any Ruby concurrency library, providing consistent behavior and guarantees on all four of the main Ruby interpreters (MRI/CRuby, JRuby, Rubinius, TruffleRuby).
    Downloads: 5 This Week
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  • 7
    Playbook

    Playbook

    A library for isolated developing UI components

    A library for isolated developing UI components and automatically taking snapshots of them. Playbook is a library that provides a sandbox for building UI components without having to worry about application-specific dependencies, strongly inspired by Storybook for JavaScript in web-frontend development. Components built by using Playbook can generate a standalone app as living style guide.
    Downloads: 5 This Week
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  • 8
    Terratest

    Terratest

    Go library that makes it easier to write automated tests

    Terratest is a Go library that provides patterns and helper functions for testing infrastructure, with 1st-class support for Terraform, Packer, Docker, Kubernetes, AWS, GCP, and more. Create a file ending in _test.go and run tests with the go test command. E.g., go test my_test.go. Use Terratest to execute your real IaC tools (e.g., Terraform, Packer, etc.) to deploy real infrastructure (e.g., servers) in a real environment (e.g., AWS).
    Downloads: 15 This Week
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  • 9
    PerfView

    PerfView

    PerfView is a CPU and memory performance-analysis tool

    ...If you are unfamiliar with PerfView, there are PerfView video tutorials. Also, Vance Morrison's blog gives an overview and getting started information. PerfView is built on a library called Microsoft.Diagnostics.Tracing.TraceEvent, which knows how to both collect and parse Event Tracing for Windows (ETW) data. Thus if there is any information that PerfView collects and processes that you would like to manipulate yourself programmatically, you would probably be interested in the TraceEvent Library Documentation.
    Downloads: 18 This Week
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  • 10
    Specification

    Specification

    Base class with tests for adding specifications to a DDD model

    Specification is a .NET library that implements the Specification pattern to encapsulate query logic into reusable, composable objects. Its primary goal is to pull filtering, sorting, and projection logic out of repositories and services, reducing duplication and improving maintainability. The library works especially well with Entity Framework Core, enabling developers to centralize query definitions instead of scattering LINQ expressions throughout the codebase.
    Downloads: 9 This Week
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  • 11
    Kotest

    Kotest

    Powerful, elegant and flexible test framework for Kotlin

    ...With built-in coroutine support at every level, the ability to use functions such as test lifecycle callbacks, extensive extension points, advanced conditional evaluation, powerful data-driven testing, and more. The Kotest assertions library is a Kotlin-first multi-platform assertions library with over 300 rich assertions. It comes equipped with collection inspectors, non-deterministic test helpers, soft assertions, modules for arrow, json, kotlinx-datetime and much more.
    Downloads: 8 This Week
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  • 12
    Playwright for .NET

    Playwright for .NET

    .NET version of the Playwright testing and automation library

    Playwright for .NET is the official language port of Playwright, the library to automate Chromium, Firefox and WebKit with a single API. Playwright is built to enable cross-browser web automation that is ever-green, capable, reliable and fast. Cross-browser. Playwright supports all modern rendering engines including Chromium, WebKit, and Firefox. Cross-platform. Test on Windows, Linux, and macOS, locally or on CI, headless or headed.
    Downloads: 10 This Week
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  • 13
    SuperTest

    SuperTest

    Super-agent driven library for testing node.js HTTP servers

    A super-agent driven library for testing node.js HTTP servers using a fluent API. The motivation with this module is to provide a high-level abstraction for testing HTTP, while still allowing you to drop down to the lower-level API provided by superagent. Install SuperTest as an npm module and save it to your package.json file as a development dependency. You may pass an http.Server, or a Function to request(), if the server is not already listening for connections then it is bound to an ephemeral port for you so there is no need to keep track of ports. ...
    Downloads: 9 This Week
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  • 14
    busted

    busted

    Elegant Lua unit testing

    ...You can even chain asserts and negations, such as assert.is_not.equal. Nest blocks of tests with contextual descriptions using describe, and add tags to blocks so you can run arbitrary groups of tests. An extensible assert library allows you to extend and craft your own assert functions specific to your case with method chaining. A modular output library lets you add on your own output format, along with the default pretty and plain terminal output, JSON with and without streaming, and TAP-compatible output that allows you to run busted specs within most CI servers.
    Downloads: 6 This Week
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  • 15
    cocoyaxi

    cocoyaxi

    A go-style coroutine library in C++11 and more

    cocoyaxi (co for short), is an elegant and efficient cross-platform C++ base library. It contains a series of high-quality base components, such as a go-style coroutine, coroutine-based network programming framework, command line, and config file parser, high-performance log library, unit testing framework, JSON library, etc. co has implemented a go-style coroutine, which has the following features. Multi-thread scheduling, the default number of threads is the number of system CPU cores. ...
    Downloads: 0 This Week
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  • 16
    Catch2

    Catch2

    A modern, C++-native, test framework for unit-tests, TDD and BDD

    ...You are on the devel branch, where the v3 version is being developed. v3 brings a bunch of significant changes, the big one being that Catch2 is no longer a single-header library. Catch2 now behaves as a normal library, with multiple headers and separately compiled implementation.
    Downloads: 7 This Week
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  • 17
    Ginkgo

    Ginkgo

    BDD testing framework for Go

    ...Ginkgo builds on Go's testing package, allowing expressive Behavior-Driven Development ("BDD") style tests. It is typically (and optionally) paired with the Gomega matcher library.
    Downloads: 7 This Week
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  • 18
    GoogleTest

    GoogleTest

    Google Testing and Mocking Framework

    GoogleTest is Google's C++ mocking and test framework. It's used by many internal projects at Google, as well as a number of notable projects such as The Chromium projects, the OpenCV computer vision library, and the LLVM compiler. This GoogleTest project is actually a union of what used to be two separate projects: the old GoogleTest and GoogleMock, an extension of GoogleTest for writing and using C++ mock classes. Since they were so closely related, they were merged to create an even better GoogleTest. GoogleTest features an xUnit test framework, a rich set of assertions, user-defined assertions, death tests, among many others. ...
    Downloads: 23 This Week
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  • 19
    ScalaCheck

    ScalaCheck

    Property-based testing for Scala

    ScalaCheck is a library for property-based testing in Scala (and Java), inspired by Haskell’s QuickCheck. It automatically generates test inputs based on specifications, validating that properties hold across randomized scenarios, thereby enabling robust, declarative testing of edge cases and invariants.
    Downloads: 7 This Week
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  • 20
    Testcontainers node

    Testcontainers node

    Supports tests, providing lightweight, throwaway instances of database

    Testcontainers is an open source library for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about anything that can run in a Docker container. No more need for mocks or complicated environment configurations. Define your test dependencies as code, then simply run your tests and containers will be created and then deleted.
    Downloads: 12 This Week
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  • 21
    LibreSpeed

    LibreSpeed

    Self-hosted Speedtest for HTML5 and more

    Self-hosted Speedtest for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more. This is a very lightweight Speedtest implemented in Javascript, using XMLHttpRequest and Web Workers. All modern browsers are supported: IE11, latest Edge, latest Chrome, latest Firefox, latest Safari. Works with mobile versions too. Requires a reasonably fast web server with Apache 2 (nginx, IIS also supported) PHP 5.4 (other backends also available)...
    Downloads: 1 This Week
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  • 22
    Hermione

    Hermione

    Browser test runner based on mocha and wdio

    Hermione is a utility for integration testing of web pages using WebdriverIO and Mocha. If you are familiar with WebdriverIO and Mocha, you can start writing and running tests in 5 minutes! You need to install Hermione via npm and add a tiny config to your project. When tests are run one by one, it takes a lot of time. Hermione can run tests in parallel sessions in different browsers out of the box. Running of too many tests in parallel can lead to the overloading of the main process CPU...
    Downloads: 5 This Week
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  • 23
    Playwright for Python

    Playwright for Python

    Python version of the Playwright testing and automation library

    Playwright enables reliable end-to-end testing for modern web apps. Single API to automate Chromium, Firefox and WebKit. Capable automation for single page apps that rely on the modern web platform. Use the Playwright API in JavaScript & TypeScript, Python, .NET and, Java. With Playwright, test how your app behaves in Apple Safari with WebKit builds for Windows, Linux and macOS. Test locally and on CI. Use device emulation to test your responsive web apps in mobile web browsers. Playwright...
    Downloads: 9 This Week
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  • 24
    Zerocopy

    Zerocopy

    Zerocopy makes zero-cost memory manipulation effortless

    Zerocopy is a Rust library designed to make zero-cost memory manipulation both safe and effortless. It allows developers to reinterpret or convert raw byte sequences into structured types—and vice versa—without writing unsafe code directly. The crate provides safe abstractions for transmuting data while preserving Rust’s strict safety guarantees, removing the need for manual memory manipulation.
    Downloads: 9 This Week
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  • 25
    chai

    chai

    BDD / TDD assertion framework for node.js

    Chai is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework. Chai has several interfaces that allow the developer to choose the most comfortable. The chain-capable BDD styles provide an expressive language & readable style, while the TDD assert style provides a more classical feel. Plugins extend Chai's assertions to new contexts such as vendor integration & object construction.
    Downloads: 8 This Week
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