Elixir Engine

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Elixir API Testing

Testing an API

Elixir API testing with HTTPoison validates REST endpoints.

Introduction to Elixir API Testing

API testing is crucial in ensuring that your application communicates correctly with external services. In Elixir, HTTPoison is a popular library used for making HTTP requests, which makes it ideal for testing REST endpoints. This guide will walk you through setting up and using HTTPoison to validate your API endpoints efficiently.

Setting Up HTTPoison

To get started with HTTPoison in your Elixir project, you need to add it as a dependency in your mix.exs file:

After adding the dependency, run mix deps.get to fetch and compile HTTPoison.

Making a Basic HTTP Request

With HTTPoison installed, you can start making HTTP requests. Here's a simple example of how to send a GET request to a REST API endpoint:

Handling Responses

HTTPoison provides a comprehensive response object that includes status code, headers, and the response body. You can handle these in your tests to ensure the API behaves as expected.

Testing RESTful Endpoints

When testing RESTful endpoints, it's important to check various HTTP methods such as POST, PUT, and DELETE. This ensures that the API behaves correctly for all operations. Below is an example of a POST request:

Conclusion

Elixir, with the help of HTTPoison, offers a powerful way to test API endpoints. By integrating these tests into your CI/CD pipeline, you can ensure that your API remains reliable and functions as expected. Explore more HTTPoison features to enhance your testing strategy further.

Examples

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Logging Setup