[QUESTION] Mocks

[rafaelnobrekz]

Question

Hello! Thanks for the work on this tool, I am studying it and evaluating as a possible fit for our iOS testing needs (simulators / CI requirements only for now). Would you have a recommendation for a setup where we could record network stubs from a flow, edit them to suit our testing needs, and be able to replay it back when running the suite?

Context

What are you trying to accomplish?
Reproduce network edge cases and assert the app behaves as expected.

What I've Tried

I've heard about Mountebank + MountebankSwift as a good alternative for regular XCUITests as the client is in Swift.
I've also heard about https://github.com/engenious-inc/maestro-stub-recorder , not sure if it's too heavy a solution for this problem as it fires up a docker container to run. I'm also unsure if this would work well with maestro-runner instead of maestro itself.

[omnarayan]

@rafaelnobrekz thanks for the detailed write-up, and great to hear you're evaluating it for your iOS setup!

This is a genuinely interesting use case, and I'd rather give you a solid recommendation than a quick guess.

Give us a bit of time to explore the options and build a better understanding here , I'll follow up once I've had a chance to dig in.

[rafaelnobrekz]

Hi @omnarayan , thanks for looking into it! Meanwhile I'm exploring the options I find:
Tested WireMock server in standalone mode with proxy and record-mappings argument, it generates a folder with all the responses the client hit it with, forwarding to the proxied server (application backend). Later, it will respond with those files when the client requests them during a flow execution. I inject a custom environment to make the app target the mock server instead of the real backend.
I am now also testing out Mockoon, it has a powerful GUI to manage / proxy / record the mocks, and a CLI to replay them during tests. It can similarly record with a proxy to generate the scenarios we need for each flow.
Mountebank seems like a less convenient approach for maestro, after looking into it. Looks more interesting in XCUITests as we can interact with the mock server in Swift.

I am also studying ways to control the server in relation to the flow's start/end (i.e spin it up / configure which mocks to server / tear it down). Will open related questions if I can't find the answers on the docs or existing issues (I assume I could run some javascript command on onFlowStart / onFlowComplete to do it)