test_case for nested union types (#199)

test/auto_form_test.exs

@@ -97,6 +97,38 @@ defmodule AshPhoenix.AutoFormTest do
       |> AshPhoenix.Form.add_form(:union, params: %{"_union_type" => "bar", "value" => 10})
       |> AshPhoenix.Form.submit!()
     end
+
+    test "my test" do
+      AshPhoenix.Test.DeepNestedUnionResource
+      |> AshPhoenix.Form.for_create(:create,
+        domain: Domain,
+        forms: [
+          auto?: true
+        ]
+      )
+      |> AshPhoenix.Form.add_form(:items,
+        params: %{"subject" => %{"_union_type" => "predefined"}}
+      )
+      # |> AshPhoenix.Form.add_form(:union_array)
+      |> AshPhoenix.Form.submit!(
+        params: %{
+          "items" => %{
+            "0" => %{
+              "_form_type" => "create",
+              "_persistent_id" => "0",
+              "_touched" => "_form_type,_persistent_id,_touched,subject",
+              "subject" => %{
+                "_form_type" => "create",
+                "_persistent_id" => "0",
+                "_touched" => "_form_type,_persistent_id,_touched,_union_type,value",
+                "_union_type" => "predefined",
+                "value" => "test"
+              }
+            }
+          }
+        }
+      )
+    end
   end
 
   describe "list unions" do

test/support/domain.ex

@@ -10,5 +10,6 @@ defmodule AshPhoenix.Test.Domain do
     resource(AshPhoenix.Test.PostLink)
     resource(AshPhoenix.Test.PostWithDefault)
     resource(AshPhoenix.Test.User)
+    resource(AshPhoenix.Test.DeepNestedUnionResource)
   end
 end

test/support/resources/deep_nested_union_resource.ex

@@ -0,0 +1,50 @@
+defmodule DeepNestedUnionResource.Union do
+  use Ash.Type.NewType,
+    subtype_of: :union,
+    constraints: [
+      types: [
+        predefined: [
+          type: :atom,
+          constraints: [one_of: [:update]]
+        ],
+        custom: [
+          type: :string
+        ]
+      ]
+    ]
+end
+
+defmodule DeepNestedUnionResource.Wrapper do
+  use Ash.Resource,
+    data_layer: :embedded
+
+  attributes do
+    attribute :subject, DeepNestedUnionResource.Union,
+      allow_nil?: false,
+      public?: true
+  end
+end
+
+defmodule AshPhoenix.Test.DeepNestedUnionResource do
+  use Ash.Resource,
+    domain: AshPhoenix.Test.Domain,
+    data_layer: Ash.DataLayer.Ets
+
+  ets do
+    private?(true)
+  end
+
+  attributes do
+    uuid_primary_key(:id, public?: true)
+    attribute(:items, {:array, DeepNestedUnionResource.Wrapper}, public?: true)
+  end
+
+  actions do
+    defaults [
+      :read,
+      :destroy,
+      create: [:items],
+      update: [:items]
+    ]
+  end
+end