Make keys
method aware of Rails/DeprecatedActiveModelErrorsMethods
cop
#702
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This PR makes
keys
method aware ofRails/DeprecatedActiveModelErrorsMethods
cop. It can emulate the following Rails's warning.DEPRECATION WARNING: ActiveModel::Errors#keys is deprecated and will be removed in Rails 6.2.
The following is a bad / good example.
Before submitting the PR make sure the following are checked:
[Fix #issue-number]
(if the related issue exists).master
(if not - rebase it).bundle exec rake default
. It executes all tests and runs RuboCop on its own code.{change_type}_{change_description}.md
if the new code introduces user-observable changes. See changelog entry format for details.and description in grammatically correct, complete sentences.