malabi VS tracetest

Back in 2018, Trace-based testing was just an idea. Fast-forward to today: TBT is now a reality, thanks to Trace standardization à la OpenTelemetry (OTel) and Trace-based testing tools like Tracetest, Helios, and Malabi.

Malabi is an open-source test framework. With Malabi, you can write integration tests on distributed systems by collecting data from a microservice during a test run, then exposing an endpoint to make assertions on that data. The maintainers say Malabi implements trace-based testing, similar to Tracetest. Malabi uses OpenTelemetry to collect your trace data.

This use case is exactly what has led to the creation of Malabi, an open-source that wraps the OpenTelemetry SDK and does all this setup for you so that you can simply add it to your project and start asserting.

Malabi is still in its early days, so if you find it interesting, feel free to help in any way (contribute code, knowledge, or ideas). https://github.com/aspecto-io/malabi ⭐️

Code Example

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git clone https://github.com/kubeshop/tracetest cd tracetest/examples/setup-of-tracetest-tests

The code to execute this scenario is contained in the delete_test.ts file from a repo which we will clone and run locally further in this article. First, let’s discuss the code for the key sections that are utilizing the [@tracetest/client](https://www.npmjs.com/package/@tracetest/client) NPM package.

If you want to see the code example right away, check it out on GitHub, here.

If you’re eager to start, clone the example from GitHub and get a Tracetest Agent public URL and Token after signing up at app.tracetest.io. Sign up for a Cloudflare account on

For this example, I’ll showcase this simple example app for Tracetest and Sumo Logic. To quickly access the example, you can run the following:

If you get stuck along the tutorial, feel free to check out the example app in the GitHub repo, here.

It’s official! You can now use synthetic monitoring to run trace-based tests with Tracetest’s new GitHub Action. I’ve already implemented dogfooding and it’s currently running in production as health checks, running hourly, here.