catra

catra OP

In one of my test files, I found that on the top there is a use MyProject.DataCase statement. Inside of MyProject.DataCase there is a using macro where there are some import/alias. One of them is to import a factory module and I’m wondering if there is a way to define which factory to use depending on a key passed to use MyProject.DataCase, something like:

defmodule MyProject.SomeTest do
  use MyProject.DataCase, async: true, factory: MyProject.FactoryTwo
...

On the DataCase

defmodule MyProject.DataCase do
  use ExUnit.CaseTemplate

  using do
    quote do
      alias MyProject.Repo
      import Keyword.get(opts, :factory, MyProject.FactoryOne) # <-- I don't know if I can get the argument passed
...

Some refs:

Thanks in advance! :smiley:

First 5 of 5 Posts Switch mode

sodapopcan

sodapopcan

You should just be able to add an opts arg to the using do line then unquote opts and what you’re looking to do should work:

  ...
  using opts do
    quote do
      import Keyword.get(unquote(opts), :factory, MyProject.FactoryOne)
  ...
sodapopcan

sodapopcan

Wait, I’m sorry, you can’t use import like that. I know I’ve done something like this but it’s in a repo that I don’t have access to anymore.

This article may help.

sodapopcan

sodapopcan

Sorry for all the replies. This should work (I actually tested it this time, lol):

defmodule MyProject.DataCase do
  use ExUnit.CaseTemplate

  using opts do
    factory_module = Keyword.get(opts, :factory, MyProject.FactoryOne)

    quote do
      alias MyProject.Repo
      import unquote(factory_module)
...
catra

catra OP

It worked!

I owned you a drink!

Thanks @sodapopcan

sodapopcan

sodapopcan

haha, entirely unnecessary :stuck_out_tongue:

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