Question 1

How do I inject latency with toxy?

Accepted Answer

Use the built-in latency poison by calling `toxy.poison(toxy.poisons.latency({ jitter: 500 }))` in your code. This adds a configurable delay to HTTP transactions, simulating network jitter.

Question 2

Is toxy still maintained in 2023?

Accepted Answer

No, the project is marked as not actively maintained in the README, meaning updates and bug fixes are unlikely. You should verify compatibility with your Node.js version before use.

Question 3

Can toxy be used with Express middleware?

Accepted Answer

Yes, toxy is pluggable as standard middleware in Connect/Express applications. This allows integration into existing Express stacks for resiliency testing without separate proxy servers.

Question 4

How does toxy compare to Chaos Monkey?

Accepted Answer

toxy is more focused on HTTP-level failure injection with programmatic control, ideal for microservices testing. Chaos Monkey targets broader infrastructure resilience in cloud environments, making toxy a lighter, developer-centric alternative.

Question 5

How to write a custom poison in toxy?

Accepted Answer

Create a middleware function that intercepts HTTP traffic, then register it using `toxy.addPoison()`. The README provides examples, such as a custom latency poison, which you can extend for specific failure scenarios.

Question 6

Does toxy support HTTPS traffic?

Accepted Answer

Yes, toxy is built on rocky and http-proxy, which support HTTPS. This allows it to handle encrypted HTTP traffic for failure simulation, though configuration might require additional TLS setup.

Question 7

What are the performance implications of using toxy?

Accepted Answer

As a proxy, toxy adds overhead to HTTP transactions, which can affect performance benchmarks. However, it's designed for testing environments where this overhead is acceptable to simulate real-world failures.

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