Allow escaping wildcards (\*) in wildcard searches.

test/unit/string_test.rb

@@ -0,0 +1,17 @@
+require 'test_helper'
+
+class StringTest < ActiveSupport::TestCase
+  context "String#to_escaped_for_sql_like" do
+    should "work" do
+      assert_equal('foo\%bar', 'foo%bar'.to_escaped_for_sql_like)
+      assert_equal('foo\_bar', 'foo_bar'.to_escaped_for_sql_like)
+      assert_equal('foo%bar', 'foo*bar'.to_escaped_for_sql_like)
+      assert_equal('foo*bar', 'foo\*bar'.to_escaped_for_sql_like)
+      assert_equal('foo\\\\%bar', 'foo\\\\*bar'.to_escaped_for_sql_like)
+      assert_equal('foo\\\\bar', 'foo\bar'.to_escaped_for_sql_like)
+
+      assert_equal('%\\\\%', '*\\\\*'.to_escaped_for_sql_like)
+      assert_equal('%*%', '*\**'.to_escaped_for_sql_like)
+    end
+  end
+end

test/unit/user_test.rb

@@ -310,5 +310,17 @@ class UserTest < ActiveSupport::TestCase
         end
       end
     end
+
+    context "when searched by name" do
+      should "match wildcards" do
+        user1 = FactoryGirl.create(:user, :name => "foo")
+        user2 = FactoryGirl.create(:user, :name => "foo*bar")
+        user3 = FactoryGirl.create(:user, :name => "bar\*baz")
+
+        assert_equal([user2.id, user1.id], User.search(name: "foo*").map(&:id))
+        assert_equal([user2.id], User.search(name: "foo\*bar").map(&:id))
+        assert_equal([user3.id], User.search(name: "bar\\\*baz").map(&:id))
+      end
+    end
   end
 end