Add tests for fixing ignored columns in versions

app/models/concerns/versions.rb

@@ -61,8 +61,8 @@ module Versions
           preceding(time + 1, true).
           select("distinct on (item_id) #{ver_klass.table_name}.*").
           map do |ver|
-            ignored_columns = ver.item_type.constantize&.ignored_columns
+            valid_columns = ver.item_type.constantize&.column_names
-            o = new(ver.object&.except!(*ignored_columns))
+            o = new(ver.object&.slice(*valid_columns))
             o.version_loader = ver
             ver.object_changes.to_h.each { |k, v| o.public_send("#{k}=", v[-1]) }
             o

test/models/concerns/versions_test.rb

@@ -0,0 +1,28 @@
+require 'test_helper'
+
+class VersionsTest < ActiveSupport::TestCase
+
+  def test_if_gets_all_versions_without_error_if_ignored_column_present
+    @nameserver = nameservers(:shop_ns1)
+    @nameserver.update(hostname: 'ns99.bestnames.test')
+    @ignored_column_title = Nameserver.ignored_columns.first
+
+    version = NameserverVersion.last
+    hash = version.object
+    hash[@ignored_column_title] = 123456
+    version.update(object: hash)
+
+    assert_nothing_raised do
+      Nameserver.all_versions_for([@nameserver.id], Time.zone.now)
+    end
+  end
+
+  def test_if_gets_all_versions_without_error_if_no_ignored_column
+    @account = accounts(:cash)
+    @account.update(currency: 'USD')
+
+    assert_nothing_raised do
+      Account.all_versions_for([@account.id], Time.zone.now)
+    end
+  end
+end