use JsonArrayMap validation

lib/beacon/content/page.ex

@@ -122,7 +122,6 @@ defmodule Beacon.Content.Page do
       :format
     ])
     |> validate_string([:path])
-    |> validate_raw_schema(attrs["raw_schema"])
     |> remove_all_newlines([:description])
     |> remove_empty_meta_attributes(:meta_tags)
     |> Content.PageField.apply_changesets(page.site, extra_attrs)
@@ -173,13 +172,4 @@ defmodule Beacon.Content.Page do
     |> Enum.reject(fn {_key, value} -> is_nil(value) || String.trim(value) == "" end)
     |> Map.new()
   end
-
-  defp validate_raw_schema(changeset, raw_schema) do
-    raw_schema = if raw_schema in ["", nil], do: "[]", else: raw_schema
-
-    case Jason.decode(raw_schema) do
-      {:ok, raw_schema} -> put_change(changeset, :raw_schema, raw_schema)
-      {:error, _} -> add_error(changeset, :raw_schema, "invalid schema")
-    end
-  end
 end

test/beacon/content_test.exs

@@ -275,6 +275,24 @@ defmodule Beacon.ContentTest do
                  raw_schema: [%{"foo" => "bar"}]
                })
     end
+
+    test "validate raw_schema" do
+      layout = layout_fixture(site: :raw_schema_test)
+
+      assert {:error,
+              %{
+                errors: [
+                  raw_schema: {"expected a list of map or a map, got: [nil]", [type: Beacon.Types.JsonArrayMap, validation: :cast]}
+                ]
+              }} =
+               Content.create_page(%{
+                 site: "my_site",
+                 path: "/",
+                 template: "<p>page</p>",
+                 layout_id: layout.id,
+                 raw_schema: [nil]
+               })
+    end
   end
 
   describe "snippets" do