Fix an error for Rails/UniqueValidationWithoutIndex

This PR is fix an error for `Rails/UniqueValidationWithoutIndex`.
rubocop · Jun 18, 2023 · 8fef179 · 8fef179
1 parent b45aef9
commit 8fef179
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diff --git a/changelog/fix_an_error_for_rails_unique_validation_without_index.md b/changelog/fix_an_error_for_rails_unique_validation_without_index.md
@@ -0,0 +1 @@
+* [#x](https://github.com/rubocop/rubocop-rails/pull/x): Fix an error for `Rails/UniqueValidationWithoutIndex`. ([@ydah][])
diff --git a/lib/rubocop/cop/rails/unique_validation_without_index.rb b/lib/rubocop/cop/rails/unique_validation_without_index.rb
@@ -31,7 +31,7 @@ class UniqueValidationWithoutIndex < Base
         RESTRICT_ON_SEND = %i[validates].freeze
 
         def on_send(node)
-          return if uniqueness_part(node).falsey_literal?
+          return if uniqueness_part(node)&.falsey_literal?
           return if condition_part?(node)
           return unless schema
 

diff --git a/spec/rubocop/cop/rails/unique_validation_without_index_spec.rb b/spec/rubocop/cop/rails/unique_validation_without_index_spec.rb
@@ -6,6 +6,7 @@
       expect_no_offenses(<<~RUBY)
         class User < ApplicationRecord
           validates :account, uniqueness: true
+          validates :name, presence: true
         end
       RUBY
     end