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-rw-r--r--activerecord/lib/active_record/model_schema.rb1
-rw-r--r--activerecord/test/cases/persistence_test.rb7
2 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb
index 60823815fa..b04dc04899 100644
--- a/activerecord/lib/active_record/model_schema.rb
+++ b/activerecord/lib/active_record/model_schema.rb
@@ -379,6 +379,7 @@ module ActiveRecord
end
def _default_attributes # :nodoc:
+ load_schema
@default_attributes ||= ActiveModel::AttributeSet.new({})
end
diff --git a/activerecord/test/cases/persistence_test.rb b/activerecord/test/cases/persistence_test.rb
index e8052914d4..d4a4cd564a 100644
--- a/activerecord/test/cases/persistence_test.rb
+++ b/activerecord/test/cases/persistence_test.rb
@@ -251,6 +251,13 @@ class PersistenceTest < ActiveRecord::TestCase
assert_equal "The First Topic", topics(:first).becomes(Reply).title
end
+ def test_becomes_after_reload_schema_from_cache
+ Reply.define_attribute_methods
+ Reply.serialize(:content) # invoke reload_schema_from_cache
+ assert_kind_of Reply, topics(:first).becomes(Reply)
+ assert_equal "The First Topic", topics(:first).becomes(Reply).title
+ end
+
def test_becomes_includes_errors
company = Company.new(name: nil)
assert_not_predicate company, :valid?