No longer require synonyms to be lowercase - #912

CHANGELOG.md

@@ -1,6 +1,7 @@
 ## 2.2.2 [unreleased]
 
 - Added `queue_name` option
+- No longer require synonyms to be lowercase
 
 ## 2.2.1
 

lib/searchkick/index_options.rb

@@ -167,7 +167,7 @@ def index_options
         if synonyms.any?
           settings[:analysis][:filter][:searchkick_synonym] = {
             type: "synonym",
-            synonyms: synonyms.select { |s| s.size > 1 }.map { |s| s.is_a?(Array) ? s.join(",") : s }
+            synonyms: synonyms.select { |s| s.size > 1 }.map { |s| s.is_a?(Array) ? s.join(",") : s }.map(&:downcase)
           }
           # choosing a place for the synonym filter when stemming is not easy
           # https://groups.google.com/forum/#!topic/elasticsearch/p7qcQlgHdB8

test/synonyms_test.rb

@@ -59,4 +59,9 @@ def test_directional
     assert_search "Halogen Lamp", ["Lightbulb"]
     assert_search "onions", ["Green Onions"]
   end
+
+  def test_case
+    store_names ["Uppercase"]
+    assert_search "lowercase", ["Uppercase"]
+  end
 end

test/test_helper.rb

@@ -372,6 +372,7 @@ class Product
       ["qtip", "cottonswab"],
       ["burger", "hamburger"],
       ["bandaid", "bandag"],
+      ["UPPERCASE", "lowercase"],
       "lightbulb => led,lightbulb",
       "lightbulb => halogenlamp"
     ],