diff --git a/services/importer/spec/unit/column_spec.rb b/services/importer/spec/unit/column_spec.rb
index 4bcefb105c..9090604fdb 100644
--- a/services/importer/spec/unit/column_spec.rb
+++ b/services/importer/spec/unit/column_spec.rb
@@ -345,5 +345,65 @@ describe Column do
       ogc_fid:      1
     }
   end #random_kml_multi_record
+
+
+  LEGACY_SANITIZATION_EXAMPLES = {
+    "abc" => "abc",
+    "abc xyz" => "abc_xyz",
+    "2abc" => "column_2abc",
+    "Abc" => "_bc",
+    "\u0432\u044b\u0445\u043b\u043e\u043f\u044b \u0430\u0432\u0442\u043e\u0442\u0440\u0430\u043d\u0441\u043f\u043e\u0440\u0442\u04302" => "_2",
+    "\u043d\u0435\u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a2" => "_2",
+    "\u0432\u044b\u0431\u0440\u043e\u0441\u044b \u043f\u0440\u0435\u0434\u043f\u0440\u0438\u044f\u0442\u0438\u04392" => "_2",
+    "\u013ar" => "_r",
+    "CONVERT(BlueNumber USING utf8)" => '_lue_umber_utf8_',
+    "is growing site fenced?" => "is_growing_site_fenced_",
+    "if it\u2019s a community garden, is it collective or allotment?" => "if_it_s_a_community_garden_is_it_collective_or_allotment_",
+    "Paddock" => "_addock",
+    "Date Due" => "_ate_ue",
+    "__5" => "_5",
+    "__1" => "_1",
+    "tel\u00e9fono" => "tel_fono",
+    ":@computed_region_wvic_k925" => "_computed_region_wvic_k925",
+    "\u0420\u0435\u0433\u0438\u043e\u043d" => "_",
+    "\u043d\u0435\u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a" => "_",
+    "> min" => "_min",
+    "12_ schedule of visits.0" => "column_12_schedule_of_visits_0",
+    "previous rent (\u00a3 per sq ft)" => "previous_rent_per_sq_ft_",
+    "description/\u540d\u7a31" => "description_",
+    "description/\u5730\u5740" =>  "description_",
+    "@relations" =>  "_relations",
+    "EntityName" => "_ntity_ame",
+    "_ injured" => "_injured",
+    "trips 11 _ 15 miles" => "trips_11_15_miles"
+  }
+
+  LEGACY_SANITIZATION_COLS = {
+    ['выбросы предприятий2', 'выхлопы автотранспорта2', 'неустановленный источник2'] => ['_2', '_2_1', '_2_2'],
+    ["description/\u540d\u7a31", "description/\u5730\u5740"] => ["description_", "description__1"]
+  }
+
+  describe '.get_valid_column_name' do
+
+    it 'can apply legacy sanitization to single columns' do
+      LEGACY_SANITIZATION_EXAMPLES.each do |input_name, output_name|
+        name = Column::get_valid_column_name('xxx', input_name, Column::INITIAL_COLUMN_SANITIZATION_VERSION, [])
+        name.should eq output_name
+      end
+    end
+
+    it 'can apply legacy sanitization to multiple columns' do
+      LEGACY_SANITIZATION_COLS.each do |input_columns, output_columns|
+        columns = []
+        input_columns.zip(output_columns).each do |input_column, output_column|
+          column = Column::get_valid_column_name('xxx', input_column, Column::INITIAL_COLUMN_SANITIZATION_VERSION, columns)
+          columns << column
+          column.should eq output_column
+        end
+      end
+    end
+
+  end # .get_valid_column_name
+
 end # Column