Fix generator suggestion raise error when I18n.available_locales don’t include :en

2 files changed, 15 insertions, 1 deletions

diff --git a/railties/lib/rails/generators.rb b/railties/lib/rails/generators.rb
index 5592e8d78e..6c9c109f17 100644
--- a/railties/lib/rails/generators.rb
+++ b/railties/lib/rails/generators.rb
@@ -274,8 +274,9 @@ module Rails
         else
           options     = sorted_groups.flat_map(&:last)
           suggestions = options.sort_by { |suggested| levenshtein_distance(namespace.to_s, suggested) }.first(3)
+          suggestions.map! { |s| "'#{s}'" }
           msg =  "Could not find generator '#{namespace}'. ".dup
-          msg << "Maybe you meant #{ suggestions.map { |s| "'#{s}'" }.to_sentence(last_word_connector: " or ", locale: :en) }\n"
+          msg << "Maybe you meant #{ suggestions[0...-1].join(', ')} or #{suggestions[-1]}\n"
           msg << "Run `rails generate --help` for more options."
           puts msg
         end
diff --git a/railties/test/generators_test.rb b/railties/test/generators_test.rb
index 28e7617d7f..1735804664 100644
--- a/railties/test/generators_test.rb
+++ b/railties/test/generators_test.rb
@@ -36,6 +36,19 @@ class GeneratorsTest < Rails::Generators::TestCase
     assert_match "Maybe you meant 'migration'", output
   end
 
+  def test_generator_suggestions_except_en_locale
+    orig_available_locales = I18n.available_locales
+    orig_default_locale = I18n.default_locale
+    I18n.available_locales = :ja
+    I18n.default_locale = :ja
+    name = :tas
+    output = capture(:stdout) { Rails::Generators.invoke name }
+    assert_match "Maybe you meant 'task', 'job' or", output
+  ensure
+    I18n.available_locales = orig_available_locales
+    I18n.default_locale = orig_default_locale
+  end
+
   def test_generator_multiple_suggestions
     name = :tas
     output = capture(:stdout) { Rails::Generators.invoke name }