Add more data to AR::UnknownAttributeError

begin
  Topic.new("hello" => "world")
rescue ActiveRecord::UnknownAttributeError => e
  e.record # => #<Topic ... >
  e.attribute # => "hello"
end

1 files changed, 12 insertions, 0 deletions

diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
index a181c513ae..d882d40ecb 100644
--- a/activerecord/test/cases/attribute_methods_test.rb
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -711,6 +711,18 @@ class AttributeMethodsTest < ActiveRecord::TestCase
     assert_raise(ActiveRecord::UnknownAttributeError) { @target.new.attributes = { :title => "Ants in pants" } }
   end
 
+  def test_bulk_update_raise_unknown_attribute_errro
+    error = nil
+    begin
+      @target.new(:hello => "world")
+    rescue ActiveRecord::UnknownAttributeError => error
+    end
+    assert error
+    assert @target, error.record
+    assert "hello", error.attribute
+    assert "unknown attribute: hello", error.message
+  end
+
   def test_read_attribute_overwrites_private_method_not_considered_implemented
     # simulate a model with a db column that shares its name an inherited
     # private method (e.g. Object#system)