# HTTP Request Mocking Libraries

> Search results for `mocking library for stubbing HTTP requests in tests` on awesome-repositories.com. 116 total matches; showing the first 50.

Explore on the web: https://awesome-repositories.com/q/mocking-library-for-stubbing-http-requests-in-tests

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## Results

- [laravel/laravel](https://awesome-repositories.com/repository/laravel-laravel.md) (84,489 ⭐) — Laravel is a comprehensive full-stack web framework designed for building scalable server-side applications. It provides an integrated development environment that centers on an object-relational mapper for database abstraction, a robust routing system, and a sophisticated service container for dependency injection. The framework is built to handle complex application requirements through a modular architecture that emphasizes convention over configuration.

What distinguishes Laravel is its deep integration of background processing and event-driven communication. It features a task queue orch
- [golang/mock](https://awesome-repositories.com/repository/golang-mock.md) (9,361 ⭐) — GoMock is a mocking framework for the Go programming language.
- [easy-mock/easy-mock](https://awesome-repositories.com/repository/easy-mock-easy-mock.md) (9,026 ⭐) — Easy Mock is a tool for API mocking and simulation that allows for the creation of fake server responses using schemas. It enables the generation of mock API data and the implementation of OpenAPI specifications to align development with technical contracts.

The project supports collaborative API design through a shared workspace where team members can synchronize and manage mock endpoints. It also features specification-driven bootstrapping, which automatically constructs mock environments by importing standard API definition files.

The system provides API development proxying to forward re
- [psf/requests](https://awesome-repositories.com/repository/psf-requests.md) (54,044 ⭐) — Requests is a high-level HTTP client library designed to simplify web communication and API integration. It provides an intuitive, human-readable interface for performing standard network operations, including request execution, connection pooling, and stateful session management. By encapsulating raw network data into structured objects, the library automates the complexities of headers, cookies, and payload transmission.

The library distinguishes itself through a modular transport adapter layer that allows for custom protocol handling and extensible authentication hooks. It supports a wide
- [kevinsawicki/http-request](https://awesome-repositories.com/repository/kevinsawicki-http-request.md) (3,394 ⭐) — Java HTTP Request Library
- [microsoft/playwright](https://awesome-repositories.com/repository/microsoft-playwright.md) (91,074 ⭐) — Playwright is a comprehensive browser automation framework designed for end-to-end testing and web workflow automation. It provides a unified API to drive web applications across multiple browser engines, enabling developers to simulate complex user interactions, perform web scraping, and validate application behavior in consistent, isolated environments.

The framework distinguishes itself through a web-first testing paradigm that prioritizes stability and resilience. By utilizing an auto-waiting actionability engine and accessibility-tree-based locators, it eliminates common sources of test
- [avelino/awesome-go](https://awesome-repositories.com/repository/avelino-awesome-go.md) (175,576 ⭐) — This project serves as a comprehensive language ecosystem index, functioning as a centralized, community-curated directory for the Go programming language. It organizes a vast landscape of software components, libraries, and development tools into a structured, navigable hierarchy, enabling developers to efficiently discover resources tailored to specific functional domains.

The repository distinguishes itself through a decentralized contribution model, where community-driven updates ensure the index remains current with the rapidly evolving software landscape. Beyond simple resource listing,
- [apify/crawlee](https://awesome-repositories.com/repository/apify-crawlee.md) (24,002 ⭐) — Crawlee is a web scraping framework designed for building scalable, reliable, and distributed data extraction pipelines. It provides a unified interface for managing headless browser automation and lightweight HTTP requests, allowing developers to handle complex web navigation, dynamic content rendering, and large-scale data collection within a single, modular architecture.

The project distinguishes itself through its resource-aware concurrency controller, which dynamically scales task execution based on real-time CPU and memory usage to prevent host machine exhaustion. It also features a rob
- [touk/http-mock-server](https://awesome-repositories.com/repository/touk-http-mock-server.md) (10 ⭐) — HTTP MOCK SERVER
- [flutter/flutter](https://awesome-repositories.com/repository/flutter-flutter.md) (177,056 ⭐) — This project is a multi-platform UI framework designed for building applications that target mobile, web, and desktop environments from a single codebase. It utilizes a declarative paradigm where the user interface is defined as a function of application state, supported by a layered architecture that includes a high-performance rendering engine and a multi-platform compilation model.

The framework provides a comprehensive suite of developer tools, including hot reloading for real-time code injection and diagnostic utilities for monitoring application state and performance. It features a modu
- [testing-library/svelte-testing-library](https://awesome-repositories.com/repository/testing-library-svelte-testing-library.md) (661 ⭐) — Svelte Testing Library
- [ionic-team/capacitor](https://awesome-repositories.com/repository/ionic-team-capacitor.md) (15,054 ⭐) — Capacitor is a cross-platform mobile framework that enables developers to build native applications using web technologies. It functions as a hybrid app container, wrapping web assets within a native runtime that provides a standardized bridge to device hardware and system-level services. By exposing native functionality through a plugin-based architecture, it allows web applications to access platform-specific features while maintaining a consistent interface across mobile and desktop environments.

The project distinguishes itself by maintaining native project files as source assets, allowin
- [vendurehq/vendure](https://awesome-repositories.com/repository/vendurehq-vendure.md) (7,924 ⭐) — Vendure is a Node.js e-commerce engine and headless commerce framework built with NestJS and TypeScript. It serves as a multi-channel commerce platform that manages product catalogs, orders, and customers via a strongly typed GraphQL API.

The platform is distinguished by its highly extensible architecture, featuring a customizable administrative dashboard where developers can inject custom React components and entity views. It supports multi-channel commerce, allowing the isolation of products, currencies, and regional catalogs from a single unified backend.

The engine covers a broad range o
- [testing-library/react-testing-library](https://awesome-repositories.com/repository/testing-library-react-testing-library.md) (19,606 ⭐) — React Testing Library is a testing framework for verifying React components by interacting with rendered output instead of internal implementation details. It functions as a DOM testing utility and a frontend integration testing tool that mounts components into a virtual document object model for execution within Node.js environments.

The library utilizes an accessibility-first query engine to locate user interface elements via ARIA roles and labels. This approach ensures web accessibility standards are met by mirroring how users perceive the interface rather than relying on implementation-sp
- [autoscrape-labs/pydoll](https://awesome-repositories.com/repository/autoscrape-labs-pydoll.md) (6,919 ⭐) — pydoll is a Chrome DevTools Protocol automation library and headless browser controller used for web data extraction and parallel browser automation. It controls Chromium-based browsers via direct WebSocket connections, allowing it to manage isolated browser contexts and tabs while bypassing the overhead and detection associated with WebDriver.

The project features an anti-bot evasion framework that mimics natural human behavior, including mouse movements generated via Bezier curves and variable typing patterns. It provides specialized stealth capabilities to bypass behavioral analysis and au
- [unjs/ofetch](https://awesome-repositories.com/repository/unjs-ofetch.md) (5,316 ⭐) — ofetch is an HTTP client built on the native fetch API that adds automatic JSON serialization, request/response interceptors, configurable retry, and timeout handling. It provides descriptive error objects for non-OK responses and automatically parses response bodies based on their content type.

The client supports creating pre-configured instances with preset base URLs, headers, and default options, enabling consistent configuration across a project. It offers full TypeScript type inference for response data and request payloads, and allows extending request options with custom properties wh
- [nock/nock](https://awesome-repositories.com/repository/nock-nock.md) (13,103 ⭐) — nock is a Node.js HTTP mocking library and request interceptor. It captures outgoing network traffic to specific hosts and paths, returning predefined responses to decouple applications from external servers during automated testing.

The project functions as an API expectation framework to verify that specific calls were made with correct parameters. It includes a traffic recorder that captures real network interactions as fixtures for playback and a network simulation tool to introduce artificial latency or trigger network errors.

Its capabilities cover request matching via hostnames, paths
- [keploy/keploy](https://awesome-repositories.com/repository/keploy-keploy.md) (17,622 ⭐) — Keploy is an automated testing platform that leverages kernel-level traffic interception to generate and maintain regression test suites for microservices. By capturing live network traffic and system calls via eBPF, the platform automatically creates deterministic test cases and mocks external dependencies without requiring manual code instrumentation. This approach allows developers to validate application behavior and API contracts by replaying production-like traffic in isolated environments.

The platform distinguishes itself through its use of machine learning to perform test maintenance
- [anshumanpattnaik/http-request-smuggling](https://awesome-repositories.com/repository/anshumanpattnaik-http-request-smuggling.md) (539 ⭐) — HTTP Request Smuggling Detection Tool
- [encoredev/encore](https://awesome-repositories.com/repository/encoredev-encore.md) (12,049 ⭐) — Encore is a distributed systems framework designed to unify backend development, infrastructure provisioning, and observability. It functions as an infrastructure-as-code platform that allows developers to define cloud resources, databases, and messaging topics directly within their application code. By analyzing these declarations at compile-time, the system automatically manages the deployment of cloud resources and security policies, ensuring parity between local development and production environments.

The platform distinguishes itself through its integrated development experience, which
- [greatfrontend/top-reactjs-interview-questions](https://awesome-repositories.com/repository/greatfrontend-top-reactjs-interview-questions.md) (5,691 ⭐) — This project is a comprehensive interview preparation guide and technical study resource for React. It functions as a frontend engineering curriculum and coding challenge bank designed to help developers master the internal mechanics, patterns, and core fundamentals of the React ecosystem.

The resource distinguishes itself by providing a curated collection of technical interview questions, conceptual quizzes, and expert solutions. It includes a bank of coding challenges that can be solved in a browser-based environment with automated test cases and real-time rendering, as well as research int
- [requests/requests](https://awesome-repositories.com/repository/requests-requests.md) (0 ⭐) — Requests is a simple, yet elegant, HTTP library.
- [flutter-team-archive/plugins](https://awesome-repositories.com/repository/flutter-team-archive-plugins.md) (17,710 ⭐) — This project is a collection of official plugin packages and a native integration library designed to provide a consistent interface for accessing hardware and software functionality across different mobile and desktop platforms. It serves as a native platform bridge, enabling cross-platform applications to invoke native code and manage operating system dependencies.

The project utilizes a federated plugin architecture, splitting plugins into common interfaces and separate platform implementations to allow for independent development and extension. It further supports native integration throu
- [pokeb/asi-http-request](https://awesome-repositories.com/repository/pokeb-asi-http-request.md) (5,731 ⭐) — Easy to use CFNetwork wrapper for HTTP requests, Objective-C,  Mac OS X and iPhone
- [portswigger/http-request-smuggler](https://awesome-repositories.com/repository/portswigger-http-request-smuggler.md) (1,213 ⭐) — This Burp Suite extension automatically detects and exploits HTTP Request Smuggling vulnerabilities using advanced desynchronization techniques developed by PortSwigger researcher James Kettle. It supports comprehensive scanning for HTTP/1.1 and HTTP/2-downgrade desync vulnerabilities,…
- [jasmine/jasmine](https://awesome-repositories.com/repository/jasmine-jasmine.md) (15,824 ⭐) — Jasmine is a JavaScript testing framework and test runner designed for behavior-driven development. It provides a comprehensive toolset for writing and executing descriptive test suites that verify code behavior in both web browsers and Node.js environments.

The framework is distinguished by its integrated mocking library, which allows for dependency isolation through spies and stubs, as well as the ability to simulate time and timing functions to test asynchronous logic synchronously. It also includes a mechanism to enforce test uniqueness, preventing duplicate names for tests and suites.

I
- [hoppscotch/hoppscotch](https://awesome-repositories.com/repository/hoppscotch-hoppscotch.md) (79,618 ⭐) — Hoppscotch is an open-source API development ecosystem designed for building, testing, and debugging REST, GraphQL, and real-time APIs. It provides a unified platform that functions across web browsers, desktop applications, and command-line interfaces, allowing developers to manage the entire API lifecycle from a single environment.

The platform distinguishes itself through a highly interactive, command-driven interface that utilizes a global spotlight palette and keyboard shortcuts to streamline complex workflows. It supports advanced request manipulation and validation by executing JavaScr
- [angular/angular](https://awesome-repositories.com/repository/angular-angular.md) (100,360 ⭐) — Angular is a platform for building web applications using a component-based architecture. It provides a comprehensive suite of tools for managing encapsulated UI units, including hierarchical dependency injection, a declarative template system, and fine-grained reactivity through signals. The framework supports complex application requirements such as client-side routing, form management, and internationalization.

The project includes a command-line interface for scaffolding and build automation, alongside a testing ecosystem for unit and integration verification. It offers multiple rendering
- [mintarasss/ng-mocks-testing-skill](https://awesome-repositories.com/repository/mintarasss-ng-mocks-testing-skill.md) (3 ⭐) — Claude Code skill for writing Angular unit tests with ng-mocks — MockBuilder, MockRender, NgRx effects, and anti-patterns guide
- [square/okhttp](https://awesome-repositories.com/repository/square-okhttp.md) (46,971 ⭐) — OkHttp is an HTTP client for the JVM and Android that enables network communication via synchronous and asynchronous requests. It provides a core identity as a comprehensive networking toolkit featuring a WebSocket client for bidirectional data synchronization, a TLS security toolkit for encrypted communication, and a programmable HTTP mock server for simulating backend responses.

The project distinguishes itself through a specialized security and performance architecture. It implements mutual TLS, certificate pinning, and DNS over HTTPS to secure data in transit, while utilizing connection p
- [goldbergyoni/nodebestpractices](https://awesome-repositories.com/repository/goldbergyoni-nodebestpractices.md) (105,356 ⭐) — This project provides a comprehensive collection of industry-standard guidelines for developing, testing, and deploying Node.js applications. It covers the entire software lifecycle, offering actionable advice on code style, architectural patterns, and security measures to ensure maintainability and consistency across large-scale codebases.

The documentation details strategies for robust error management, containerization, and production readiness. It addresses operational requirements such as observability, scalability, and infrastructure configuration, while providing specific methodologies
- [wanghongenpin/proxypin](https://awesome-repositories.com/repository/wanghongenpin-proxypin.md) (13,357 ⭐) — Proxypin is a cross-platform HTTP and HTTPS proxy debugger designed to capture, inspect, and modify network traffic. It functions as a man-in-the-middle interceptor, allowing developers to analyze application data flows and validate network communication during development and testing.

The tool distinguishes itself through its focus on mobile and remote device integration, utilizing QR-code-based configuration synchronization to simplify the setup of proxy settings and security certificates. It includes an event-driven scripting engine that enables programmatic manipulation of requests and re
- [testing-library/vue-testing-library](https://awesome-repositories.com/repository/testing-library-vue-testing-library.md) (1,122 ⭐)
- [alexreisner/geocoder](https://awesome-repositories.com/repository/alexreisner-geocoder.md) (6,446 ⭐) — This is a Ruby toolkit for converting addresses to geographic coordinates and performing reverse geocoding via multiple external API providers. It provides a library for integrating location services into Ruby applications, including an IP geolocation tool to translate IP addresses into coordinates, city names, and country data.

The project includes a command line interface for bulk geocoding of database records with integrated rate limiting and a geospatial query engine for calculating distances and performing radius or bounding box searches. It also features a mocking framework that provide
- [antoaravinth/preact-testing-library](https://awesome-repositories.com/repository/antoaravinth-preact-testing-library.md) (158 ⭐) — Preact Testing Library
- [sinonjs/sinon](https://awesome-repositories.com/repository/sinonjs-sinon.md) (9,753 ⭐) — Sinon is a JavaScript test double library and mocking framework used to isolate code and verify behavior during unit testing. It provides a collection of spies, stubs, and mocks that replace real function implementations and object methods with controlled substitutes.

The project includes a specialized fake timer library for overriding the system clock, allowing the simulation of time progression to trigger timeouts and intervals without waiting for real-time delays. It also features a test sandbox mechanism to group multiple fakes together, ensuring the original state is restored between tes
- [thomasmikava/testing-library-queries](https://awesome-repositories.com/repository/thomasmikava-testing-library-queries.md) (1 ⭐) — Enhanced query builder for Testing Library with custom selectors and composable queries. Write cleaner, more maintainable tests with type-safe query composition.
- [expo/expo](https://awesome-repositories.com/repository/expo-expo.md) (50,111 ⭐) — Expo is a universal mobile framework designed to build native iOS and Android applications from a single codebase using web-standard technologies. It provides a comprehensive development environment that includes a unified runtime for testing, cloud-based infrastructure for compiling and signing native binaries, and automated tools for managing the entire mobile release lifecycle, including app store submission.

The framework distinguishes itself through a plugin-based native configuration engine that programmatically modifies project files, allowing developers to integrate native modules wit
- [didi/doraemonkit](https://awesome-repositories.com/repository/didi-doraemonkit.md) (20,420 ⭐) — DoraemonKit is a mobile frontend development toolset designed to optimize the lifecycle of web and hybrid mobile applications. It functions as a comprehensive suite of productivity tools, providing specialized utilities for mobile UI inspection, web view debugging, and on-device performance monitoring.

The toolset distinguishes itself through several targeted simulation and interception capabilities. It includes a network traffic interceptor for mocking API responses without modifying source code, a device state simulator for overriding GPS coordinates, and a mobile web debugging bridge that
- [request/request](https://awesome-repositories.com/repository/request-request.md) (25,542 ⭐) — This is an HTTP client library used for sending and receiving network requests. It functions as an HTTP traffic replicator, a multipart form uploader, and an OAuth request signer, while also serving as an HTTP client capable of routing traffic through Unix domain sockets for local inter-process communication.

The project distinguishes itself with the ability to import and parse HTTP Archive JSON files to reproduce recorded network traffic. It also provides cryptographic OAuth signing to secure API access using hashing algorithms and supports routing requests through Unix domain sockets using
- [zyronon/douyin](https://awesome-repositories.com/repository/zyronon-douyin.md) (11,473 ⭐) — This project is a mobile-first web interface built with Vue 3 that replicates the layout and interaction patterns of a short-form video platform. It is designed as a responsive web application focused on high-performance mobile rendering and short-video workflows.

The application features a vertical video carousel with infinite scrolling and a vertical-slide view orchestration system for seamless content playback. It employs a responsive layout using viewport-relative units to ensure consistent rendering across various mobile screen sizes and aspect ratios.

The project incorporates Pinia for
- [jjh42/mock](https://awesome-repositories.com/repository/jjh42-mock.md) (690 ⭐) — Mocking library for Elixir language
- [laravel/framework](https://awesome-repositories.com/repository/laravel-framework.md) (34,774 ⭐) — This project is a full-stack web framework that provides a comprehensive environment for building server-side applications. It utilizes a model-view-controller architecture to separate application logic into distinct layers for data management, user interface presentation, and request handling. The platform manages the entire request-response lifecycle, including security, session handling, and background task processing, while using an object-relational mapping layer to translate database records into programmable objects.

The framework distinguishes itself through a central service containe
- [fermyon/spin](https://awesome-repositories.com/repository/fermyon-spin.md) (6,443 ⭐) — Spin is a WebAssembly serverless framework and development toolchain for building and running portable microservices. It functions as an event-driven orchestrator and runtime that executes WebAssembly components, allowing developers to map HTTP requests, Redis messages, and cron schedules to specific modules.

The project distinguishes itself by implementing a Wasm-based AI inference gateway, enabling components to perform model inference and generate text embeddings. It utilizes the WebAssembly Component Model and WASI for language-agnostic composition and portable host interfacing, while emp
- [moya/moya](https://awesome-repositories.com/repository/moya-moya.md) (15,364 ⭐) — Moya is a network abstraction layer for Swift that provides a structured framework for defining and executing REST API requests. It functions as a type-safe API client that decouples network endpoint definitions from the underlying implementation details to prevent configuration errors and URL typos.

The project distinguishes itself by using protocol-based endpoint definitions and a provider-coordinated execution model. It includes a system for mapping network responses to strongly typed objects and features a dedicated tool for generating type-safe network interface files from external REST
- [szkiba/xk6-mock](https://awesome-repositories.com/repository/szkiba-xk6-mock.md) (0 ⭐) — A k6 extension enables mocking HTTP(S) servers during test development.
- [testing-library/eslint-plugin-testing-library](https://awesome-repositories.com/repository/testing-library-eslint-plugin-testing-library.md) (1,046 ⭐)
- [elysiajs/elysia](https://awesome-repositories.com/repository/elysiajs-elysia.md) (18,531 ⭐) — Elysia is a high-performance TypeScript web framework designed for building type-safe backend services. It provides a modular, plugin-based architecture that allows developers to compose server logic, middleware, and validation schemas into scalable application instances. By leveraging native web standards, the framework ensures portability across diverse JavaScript runtimes, including Node.js, Deno, and various edge computing environments.

The framework distinguishes itself through its focus on end-to-end type safety, automatically synchronizing request and response definitions between the s
- [denoland/deno](https://awesome-repositories.com/repository/denoland-deno.md) (107,110 ⭐) — Deno is a high-performance runtime for JavaScript and TypeScript that prioritizes security and developer productivity. Built on the V8 engine, it provides a secure execution environment that enforces a default-deny security model, requiring explicit user authorization for access to system resources like the file system, network, and environment variables. The runtime natively supports modern web-standard APIs, ensuring consistent behavior and portability across different environments.

What distinguishes Deno is its integrated approach to the software development lifecycle. It bundles essentia
- [encode/httpx](https://awesome-repositories.com/repository/encode-httpx.md) (15,090 ⭐) — This project is a comprehensive Python network request framework designed for both synchronous and asynchronous HTTP communication. It provides a high-performance client capable of executing non-blocking requests within event-driven applications, while also supporting standard blocking calls for simpler scripts. The library is built to operate natively across diverse asynchronous runtimes, automatically detecting and utilizing the underlying event loop for concurrency.

What distinguishes this library is its modular architecture, which decouples request construction from network execution thro