fp/apps/bright/test/bright/patreon_entitlements_test.exs

defmodule Bright.PatreonEntitlementsTest do
  use ExUnit.Case
  alias Bright.Patrons.PatreonEntitlements

  describe "extract_tiers/1" do
    test "handles empty included list" do
      assert PatreonEntitlements.extract_tiers(%{"included" => []}) == []
    end

    test "handles no included list" do
      assert PatreonEntitlements.extract_tiers(%{"data" => []}) == []
    end

    test "returns a list of tier IDs when included contains tier items" do
      response_body = %{
        "included" => [
          %{"type" => "tier", "id" => "8154170"},
          %{"type" => "tier", "id" => "22529959"},
          # This should be ignored
          %{"type" => "user", "id" => "12345"}
        ]
      }

      expected_result = ["8154170", "22529959"]
      assert PatreonEntitlements.extract_tiers(response_body) == expected_result
    end

    test "returns an empty list when no tiers are included" do
      response_body = %{
        "included" => [
          %{"type" => "user", "id" => "12345"}
        ]
      }

      assert PatreonEntitlements.extract_tiers(response_body) == []
    end

    test "returns an empty list when included is not present" do
      response_body = %{}

      assert PatreonEntitlements.extract_tiers(response_body) == []
    end

    test "returns an empty list when included is an empty list" do
      response_body = %{"included" => []}

      assert PatreonEntitlements.extract_tiers(response_body) == []
    end
  end
end