Add tests for the Publisher form.

test/decentralised_book_index/metadata/forms/publisher_form_test.exs

@@ -0,0 +1,78 @@
+defmodule DecentralisedBookIndex.Metadata.Forms.PublisherFormTest do
+  use DecentralisedBookIndex.DataCase, async: true
+
+  alias DecentralisedBookIndex.Metadata
+
+  setup do
+    user = generate(user(role: :moderator))
+    %{user: user}
+  end
+
+  describe "form submiting" do
+    test "user can't submit" do
+      user = generate(user())
+
+      valid_params = %{
+        "name" => "Publisher"
+      }
+
+      assert_raise Ash.Error.Forbidden, fn ->
+        form =
+          AshPhoenix.Form.for_create(Metadata.Publisher, :create,
+            as: "publisher",
+            actor: user
+          )
+          |> AshPhoenix.Form.ensure_can_submit!()
+      end
+    end
+
+    test "moderator can submit", %{user: user} do
+      valid_params = %{
+        "name" => "Publisher"
+      }
+
+      assert form =
+        AshPhoenix.Form.for_create(Metadata.Publisher, :create,
+          as: "publisher",
+          actor: user
+        )
+        |> AshPhoenix.Form.ensure_can_submit!()
+    end
+  end
+
+  describe "create new publisher via the form" do
+    test "just name and description", %{user: user} do
+      valid_params = %{
+        "name" => "Publisher"
+      }
+
+      form =
+        AshPhoenix.Form.for_create(Metadata.Publisher, :create,
+          as: "publisher",
+          actor: user
+        )
+
+      assert {:ok, publisher} = AshPhoenix.Form.submit(form, params: valid_params)
+      assert publisher.name == valid_params["name"]
+    end
+  end
+
+  describe "update existing publisher via the form" do
+    test "update publisher's name", %{user: user} do
+      publisher = generate(publisher())
+
+      valid_params = %{
+        "name" => "Another Publisher"
+      }
+
+      form =
+        AshPhoenix.Form.for_update(publisher, :update,
+          as: "publisher",
+          actor: user
+        )
+
+      assert {:ok, publisher} = AshPhoenix.Form.submit(form, params: valid_params)
+      assert publisher.name == valid_params["name"]
+    end
+  end
+end