Because of Protocol Consolidation, defining a Protocol-based mock in a test environment is harder than Behaviour-based mock.

So I wrote Promox to make that easier.

Surprisingly, Protocol-based mocks are actually easier to use. Check the docs and source code to see why:

• docs: https://hexdocs.pm/promox/0.1.0/readme.html
• source code: https://github.com/dsdshcym/promox