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-rw-r--r--activerecord/test/cases/calculations_test.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/activerecord/test/cases/calculations_test.rb b/activerecord/test/cases/calculations_test.rb
index cfae700159..06c2f10dc6 100644
--- a/activerecord/test/cases/calculations_test.rb
+++ b/activerecord/test/cases/calculations_test.rb
@@ -1,4 +1,5 @@
require "cases/helper"
+require "models/book"
require 'models/club'
require 'models/company'
require "models/contract"
@@ -793,4 +794,9 @@ class CalculationsTest < ActiveRecord::TestCase
assert_equal 50, result[1].credit_limit
assert_equal 50, result[2].credit_limit
end
+
+ def test_group_by_attribute_with_custom_type
+ Book.create!(status: :published)
+ assert_equal({ "published" => 1 }, Book.group(:status).count)
+ end
end