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-rw-r--r--activerecord/test/cases/reflection_test.rb20
1 files changed, 20 insertions, 0 deletions
diff --git a/activerecord/test/cases/reflection_test.rb b/activerecord/test/cases/reflection_test.rb
index e6603f28be..c6e73f78cc 100644
--- a/activerecord/test/cases/reflection_test.rb
+++ b/activerecord/test/cases/reflection_test.rb
@@ -80,6 +80,26 @@ class ReflectionTest < ActiveRecord::TestCase
assert_equal :integer, @first.column_for_attribute("id").type
end
+ def test_non_existent_columns_return_null_object
+ column = @first.column_for_attribute("attribute_that_doesnt_exist")
+ assert_instance_of ActiveRecord::ConnectionAdapters::NullColumn, column
+ assert_equal "attribute_that_doesnt_exist", column.name
+ assert_equal nil, column.sql_type
+ assert_equal nil, column.type
+ assert_not column.number?
+ assert_not column.text?
+ assert_not column.binary?
+ end
+
+ def test_non_existent_columns_are_identity_types
+ column = @first.column_for_attribute("attribute_that_doesnt_exist")
+ object = Object.new
+
+ assert_equal object, column.type_cast_from_database(object)
+ assert_equal object, column.type_cast_from_user(object)
+ assert_equal object, column.type_cast_for_database(object)
+ end
+
def test_reflection_klass_for_nested_class_name
reflection = MacroReflection.new(:company, nil, nil, { :class_name => 'MyApplication::Business::Company' }, ActiveRecord::Base)
assert_nothing_raised do