Add a define_attr_method test

1 files changed, 13 insertions, 0 deletions

diff --git a/activemodel/test/cases/attribute_methods_test.rb b/activemodel/test/cases/attribute_methods_test.rb
index 3df76295cf..13f29a8fd9 100644
--- a/activemodel/test/cases/attribute_methods_test.rb
+++ b/activemodel/test/cases/attribute_methods_test.rb
@@ -5,6 +5,12 @@ class ModelWithAttributes
 
   attribute_method_suffix ''
 
+  class << self
+    define_method(:bar) do
+      'bar'
+    end
+  end
+
   def attributes
     { :foo => 'value of foo' }
   end
@@ -92,6 +98,13 @@ class AttributeMethodsTest < ActiveModel::TestCase
     assert_equal "value of foo bar", ModelWithAttributesWithSpaces.new.send(:'foo bar')
   end
 
+  test '#define_attr_method generates attribute method' do
+    ModelWithAttributes.define_attr_method(:bar, 'bar')
+
+    assert_respond_to ModelWithAttributes, :bar
+    assert_equal "bar", ModelWithAttributes.bar
+  end
+
   test '#define_attr_method generates attribute method with invalid identifier characters' do
     ModelWithWeirdNamesAttributes.define_attr_method(:'c?d', 'c?d')