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TheInkedEngineer/Espresso-Martini 1.2.1
A Vapor-powered, Swift mock server for iOS, macOS applications as well as a local server.
⭐️ 32
🕓 1 year ago
iOS macOS linux macOS iOS
.package(url: "https://github.com/TheInkedEngineer/Espresso-Martini.git", from: "1.2.1")

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Espresso Martini

Espresso Martini is a vapor-powered mock server. It allows you you to mock HTTP requests easily, so you worry about the things that matter, and not have to wait on APIs to be live.

Just configure your request/response pairs, known as NetworkExchange, run the server, and you are good to go. Requests made to the configured hostname and port will be intercepted and the server will return any desired response.

It supports different types of data, response headers and all HTTP response codes.

The library is fully tested and documented.

1. Requirements and Compatibility

  • Xcode 13.2+
  • Swift 5.6+
  • iOS 13+
  • macOS 12+

When running on iOS you will get a threading warning, which is a known issue with NIO and can be safely ignored.

2. Roadmap

  • ☑ Add support for folder based request/response pairs
  • ☑ Add support for a global delay
  • ☑ Add support for a delay on a per networkExchange basis
  • ☑ Add a CLI
  • ☑ Add support for retry-able request
  • ☑ Add support for polling requests
  • ☐ Add support for customised response based on query parameters

3. Installation

Swift Package Manager


Open your Package.swift file and add the following as your dependency.

dependencies: [
  .package(url: "https://github.com/TheInkedEngineer/Espresso-Martini", from: "1.0.0")

Then add the following to your target's dependency:

targets: [
    name: "MyTarget", 
    dependencies: [
      .product(name: "https://github.com/TheInkedEngineer/Espresso-Martini", package: "Espresso-Martini")


  1. Open your app in Xcode
  2. In the Project Navigator, click on the project
  3. in the Project panel, click on the project
  4. Go to the Package Dependencies tab
  5. Click on the + button
  6. Insert the https://github.com/TheInkedEngineer/Espresso-Martini url in the search bar and press Enter
  7. Click on the Add Package button
  8. Follow the Xcode's dialog to install the SDK


  1. Clone the repo git clone [email protected]:TheInkedEngineer/Espresso-Martini.git
  2. cd Espresso-Martini
  3. make -- you might need to run it with sudo privileges.

4. Documentation

Here is a dedicated markdown file containing the documentation.

5. Contribution

Working on your first Pull Request? You can learn how from this free series How to Contribute to an Open Source Project on GitHub


Stars: 32
Last commit: 1 year ago
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Release Notes

1.2.1 - Chris Angel
1 year ago


  • Custom network exchanges folder name not correctly parsed when it's a path by Vathsav. #15
  • The Logger label.
  • Compiling issues for iOS versions prior to iOS15.

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