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Mentoss

Free
Performance TestingNetworkService Virtualization

About

Working with JavaScript and need a reliable way to mockfetch()for testing in Node.js?Mentossis a intuitive MockServer + FetchMocker API makes intercepting and simulating network calls a breeze—ideal for developers, QA engineers, and automation testers focused on robust testing and seamless integration.

Key Features

  • No Real Network Calls: Eliminates flakiness from external APIs and improves test speed.
  • Portable Test Suites: Runs seamlessly across JavaScript environments: front-end, back-end, and edge runtimes.
  • Realistic Scenarios: Single-use mock routes allow accurate simulation of multi-step flows.
  • Better Assertions: Built-in call-tracking simplifies detection of missing or extra fetches.
  • Streamlined Debugging: Clear mock definitions and centralized route management aid in debugging and maintenance.