NNApYEBB

1defmodule YourOperation do
2  use Exop.Operation
3  
4  parameter(:users, type: :list, list_item: [type: :map, inner: %{email: [type: :string, format: ~r/@/]}])
5  
6  def process(_params), do: #smth
7end
8  
9  
10defmodule YourTest do
11  use ExUnit.Case, async: true
12  use ExUnitProperties
13
14  property "YourOperation does smth" do
15    domains = ["gmail.com", "hotmail.com", "yahoo.com"]
16
17    email_generator =
18      gen all name <- string(:alphanumeric),
19              name != "",
20              domain <- member_of(domains) do
21        name <> "@" <> domain
22      end
23  
24    custom_generators = %{users: [%{email: email_generator}]}
25    
26    check all params <- ExopData.generate(YourOperation, generators: custom_generators) do
27      assert YourOperation.run(params) == {:ok, _some_result}
28    end
29  end
30end
31
32#iex> YourOperation |> ExopData.generate(generators: %{users: [%{email: email_generator}]}) |> Enum.take(2)
33[
34  %{users: [%{email: "efsT6Px@hotmail.com"}]},
35  %{users: [%{email: "swEowmk7mW0VmkJDF@yahoo.com"}]}
36]