some debug stuff

Author: matt-beanland

lib/nbn/resources/cvc.ex

@@ -134,6 +134,12 @@ defmodule DiffoExample.Nbn.Cvc do
       public? true
     end
 
+    exists :cvc_svlan_set?, :characteristics do
+      description "true when the CVC characteristic has an svlan value set"
+      filter expr(name == :cvc and not is_nil(value.value.value.svlan))
+      public? true
+    end
+
     first :cvc_char_value, :characteristics, :value do
       description "the deserialized CvcValue typed struct from the CVC characteristic"
       filter expr(name == :cvc)

test/nbn/aggregates_test.exs

@@ -56,6 +56,22 @@ defmodule DiffoExample.Nbn.AggregatesTest do
       refute is_nil(cvc.svlan_assigned?)
     end
 
+    @tag skip: "https://github.com/diffo-dev/diffo/issues/125"
+    test "cvc_svlan_set? is false before define, true after" do
+      {:ok, cvc} = Nbn.build_cvc(%{})
+
+      cvc = Ash.load!(cvc, [:cvc_svlan_set?])
+      refute cvc.cvc_svlan_set?
+
+      {:ok, cvc} =
+        Nbn.define_cvc(cvc, %{
+          characteristic_value_updates: [cvc: [svlan: 100, bandwidth: 1000]]
+        })
+
+      cvc = Ash.load!(cvc, [:cvc_svlan_set?])
+      assert cvc.cvc_svlan_set?
+    end
+
     test "cvc_char_value returns a fully deserialized CvcValue struct" do
       {:ok, cvc} = Nbn.build_cvc(%{})
 

test/nbn/raw_inspect_test.exs

@@ -0,0 +1,28 @@
+# SPDX-FileCopyrightText: 2025 diffo_example contributors <https://github.com/diffo-dev/diffo_example/graphs.contributors>
+#
+# SPDX-License-Identifier: MIT
+
+defmodule DiffoExample.Nbn.RawInspectTest do
+  @moduledoc false
+  use ExUnit.Case, async: false
+
+  alias DiffoExample.Nbn
+
+  setup do
+    on_exit(fn -> AshNeo4j.Neo4jHelper.delete_all() end)
+  end
+
+  @tag skip: "https://github.com/diffo-dev/diffo/issues/125"
+  test "inspect raw characteristic value stored in Neo4j" do
+    {:ok, cvc} = Nbn.build_cvc(%{})
+
+    {:ok, _cvc} =
+      Nbn.define_cvc(cvc, %{
+        characteristic_value_updates: [cvc: [svlan: 42, bandwidth: 5000]]
+      })
+
+    {:ok, result} = AshNeo4j.Neo4jHelper.read_nodes(:Characteristic)
+    IO.inspect(result, label: "raw Characteristic nodes", pretty: true)
+    Process.sleep(30_000)
+  end
+end