add tests for using args in calculations for filters and sorts

Author: olivermt

test/resource_test.exs

@@ -187,4 +187,29 @@ defmodule AshGraphql.ResourceTest do
 
     assert List.first(data)["rank"] < List.last(data)["rank"]
   end
+
+  test "can use argument in filter and sort on calculated field" do
+    [
+      "a",
+      "b",
+      "c"
+    ]
+    |> Enum.each(fn text ->
+      Ash.Seed.seed!(%AshGraphql.Test.Comment{text: text})
+    end)
+
+    assert {:ok, %{data: %{"listComments" => data}}} =
+             """
+             query {
+               listComments(
+               filter: {timestampWithArg: {input: {seconds: 10}}}
+               sort: {timestampWithArgInput: {seconds: 10}, field: TIMESTAMP_WITH_ARG, order: ASC_NULLS_LAST}
+               ) {
+                 text
+                 timestampWithArg(seconds: 10)
+               }
+             }
+             """
+             |> Absinthe.run(AshGraphql.Test.Schema)
+  end
 end

test/support/resources/comment.ex

@@ -75,6 +75,13 @@ defmodule AshGraphql.Test.Comment do
       expr(created_at),
       public?: true
     )
+
+    calculate :timestamp_with_arg,
+              :utc_datetime_usec,
+              expr(created_at + fragment("make_interval(secs => ?)", ^arg(:seconds))) do
+      argument(:seconds, :integer, allow_nil?: false)
+      public?(true)
+    end
   end
 
   relationships do