fix: handle casting nil vectors (#1316)

ash-project · Jul 17, 2024 · dad0bfd · dad0bfd
1 parent dd5bf4a
commit dad0bfd
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diff --git a/lib/ash/type/vector.ex b/lib/ash/type/vector.ex
@@ -16,6 +16,8 @@ defmodule Ash.Type.Vector do
   end
 
   @impl true
+  def cast_input(nil, _), do: {:ok, nil}
+
   def cast_input(value, _) do
     Ash.Vector.new(value)
   end

diff --git a/test/type/vector_test.exs b/test/type/vector_test.exs
@@ -9,4 +9,10 @@ defmodule Ash.Test.Type.VectorTest do
     assert {:ok, ^vector} = Ash.Type.dump_to_native(Ash.Type.Vector, list)
     assert {:ok, ^vector} = Ash.Type.dump_to_native(Ash.Type.Vector, vector)
   end
+
+  test "it casts nil to nil" do
+    assert {:ok, nil} = Ash.Type.cast_input(Ash.Type.Vector, nil)
+    assert {:ok, nil} = Ash.Type.cast_stored(Ash.Type.Vector, nil)
+    assert {:ok, nil} = Ash.Type.dump_to_native(Ash.Type.Vector, nil)
+  end
 end