Ensuring Elixir Application Performance with Testing and ExUnit/

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Testing Read Operation

Testing Read Operation

Learn how to test Read operation in Elixir

We'll cover the following...

The Read function

First, let’s look at the code in our Users module at testing_ecto/lib/users/users.ex.

Note: We used “Read” in the section header to keep it in line with CRUD, but you’ll notice that we prefer to call our function get/1. This is entirely user preference.

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#file path -> testing_ecto/lib/users/users.ex
#add this code at the indicated place mentioned in comments of testing_ecto/lib/users/users.ex
#in the playground widget
def get(user_id) do
  if user = Repo.get(User, user_id) do
    {:ok, user}
  else
    {:error, :not_found}
  end
end

Our ...