#428

backend/spec/models/locale_spec.rb

@@ -67,20 +67,18 @@ RSpec.describe Locale, type: :model do
         primary_flg: true, auto_generated: false)
   end
 
-  it 'creates a primary name when the language has only an alias' do
-    prepare_ainu_reference!
-    tag = create(:tag, primary_name: 'alias_only_tag')
-    alias_name = create(:tag_name, :alias, name: 'alias_en',
-                                          tag:,
-                                          language_code: 'ain', script_code: 'Kana')
+  it 'adds the new language primary while preserving existing names and aliases' do
+    tag = create(:tag, primary_name: 'named_tag')
+    create(:tag_name, :alias, name: 'existing_alias', tag:,
+                              language_code: 'ja', script_code: 'Jpan')
+    original_names = tag.tag_names.order(:id).map(&:attributes)
 
     create_ainu_locale!
 
-    expect(alias_name.reload).to have_attributes(
-        tag_id: tag.id,
-        language_code: 'ain', script_code: 'Kana', primary_flg: false)
+    expect(tag.tag_names.where(language_code: 'ja').order(:id).map(&:attributes))
+        .to eq(original_names)
     generated = TagName.find_by!(tag_id: tag.id, language_code: 'ain', primary_flg: true)
-    expect(generated).to have_attributes(tag_id: tag.id, language_code: 'ain',
+    expect(generated).to have_attributes(name: 'named_tag', tag_id: tag.id, language_code: 'ain',
                                          script_code: 'Kana', primary_flg: true,
                                          auto_generated: true)
     expect(TagName.where(tag_id: tag.id, language_code: 'ain', primary_flg: true).count).to eq(1)