Add generators for user, author and author_roles for tests.

test/support/data_case.ex

@@ -24,6 +24,7 @@ defmodule DecentralisedBookIndex.DataCase do
       import Ecto.Changeset
       import Ecto.Query
       import DecentralisedBookIndex.DataCase
+      import DecentralisedBookIndex.Generators
     end
   end
 

test/support/generators.ex

@@ -0,0 +1,66 @@
+defmodule DecentralisedBookIndex.Generators do
+  @moduledoc "Generators for tests"
+
+  use Ash.Generator
+  alias DecentralisedBookIndex.Metadata
+
+  @doc """
+  Generates user changesets with the `:register_with_password` action.
+  """
+  def user(opts \\ []) do
+    changeset_generator(
+      DecentralisedBookIndex.Accounts.User,
+      :register_with_password,
+      defaults: [
+        # Generates unique values using an auto-incrementing sequence
+        # eg. `user1@example.com`, `user2@example.com`, etc.
+        email: sequence(:user_email, &"user#{&1}@example.com"),
+        password: "password",
+        password_confirmation: "password"
+      ],
+      overrides: opts,
+      authorize?: false
+    )
+  end
+
+  def author(opts \\ []) do
+    actor =
+      opts[:actor] ||
+        once(:default_actor, fn ->
+          generate(user())
+        end)
+
+    changeset_generator(
+      Metadata.Author,
+      :create,
+      defaults: [
+        name: sequence(:name, &"Author #{&1}"),
+        description: sequence(:name, &"Description #{&1}"),
+        author_alias_registry_id: nil
+      ],
+      overrides: opts,
+      actor: actor
+    )
+  end
+
+  @doc """
+  Generates a list of author roles.
+
+  Example:
+  > author_roles = author_roles()
+  """
+  def author_roles(opts \\ []) do
+    actor =
+      opts[:actor] ||
+        once(:default_actor, fn ->
+          generate(user())
+        end)
+
+    count =
+      opts[:count] || 2
+
+    for order <- 1..count do
+      %{order: order, author_id: generate(author(actor: actor)).id, role: ""}
+    end
+  end
+end