Herve37
What API mocking tool are Elixir teams using?
We’re evaluating API mocking tools for OpenAPI-based projects and would love to hear what other teams are using.
We’re particularly interested in:
- OpenAPI compatibility
- Mock server capabilities
- Easy collaboration
- Integration with testing workflows
What has worked best for your team?
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lud
Hello,
What are you trying to mock in elixir? External APIs or your own API?
warmwaffles
I have been using Sham over Bypass for a while now.
Mimic for quick mocking
Mox occasionally.
When testing with something that uses Req, I just use the built in Req.Test things. Super handy.
funboy
Why are we so afraid to code against protocols
protocols are about polymorphism based on the struct type, whereas we’re discussing behavior that depends on the environment. For example, in test env we may want to avoid making real HTTP calls or spawning real processes.
Mox is a great fit when you’re abstracting an external dependency behind a behavior. But for testing internal implementations, I find e.g. Mimic much more convenient. It lets you mock internal modules without adding extra behaviors, configuration, or maintenance overhead 
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