Mock OTP

Section

import OpenTripPlannerClient.Test.Support.Factory

# Define the mock and set it globally so it is picked up by all processes
Mox.defmock(OpenTripPlannerClient.Mock, for: OpenTripPlannerClient.Behaviour)
Mox.set_mox_global()

# Override the factory itinerary defaults
overrides = %{}

# Stub out 0, 1, or more itinerary groups to return
Mox.stub(OpenTripPlannerClient.Mock, :plan, fn _ ->
  {:ok, build_list(1, :itinerary_group, overrides)}
end)

# Set the application variable so it is picked up when we recompile
Application.put_env(:dotcom, :otp_module, OpenTripPlannerClient.Mock)

# Recompile the code using the mock
IEx.Helpers.r(Dotcom.TripPlan.OpenTripPlanner)