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-rw-r--r--activemodel/test/cases/validations_test.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/activemodel/test/cases/validations_test.rb b/activemodel/test/cases/validations_test.rb
index f0317ad219..18b8d9e4af 100644
--- a/activemodel/test/cases/validations_test.rb
+++ b/activemodel/test/cases/validations_test.rb
@@ -444,4 +444,12 @@ class ValidationsTest < ActiveModel::TestCase
assert topic.invalid?
assert duped.valid?
end
+
+ def test_validation_with_message_as_proc_that_takes_a_record_as_a_parameter
+ Topic.validates_presence_of(:title, message: proc { |record| "You have failed me for the last time, #{record.author_name}." })
+
+ t = Topic.new(author_name: 'Admiral')
+ assert t.invalid?
+ assert_equal ["You have failed me for the last time, Admiral."], t.errors[:title]
+ end
end