Temporal activity unit test

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1

I’m writing unit tests for a workflow with an activity, the mock activity always returns error of type internal.ActivityError (https://github.com/temporalio/sdk-go/blob/30c8ca297514dae65f8b7003489f67cdef7180ac/internal/error.go#L199)

MyActivity(ctx context.Context) (string, error)

In unit test:
myErr := errors.New(“some error”)
env.OnActivity(MyActivity, ctx).
Return(“”, myErr)

but it always returns ActivityError instead of myErr in the test. Do I have to setup the test in a different way?

2

Any error returned from an activity is converted to an ApplicationError and then wrapped in an ActivityError.