Add spec coverage for missing translations handling

admin/app/components/solidus_admin/base_component.rb

@@ -15,7 +15,7 @@ def missing_translation(key, options)
 
       logger.debug "  [#{self.class}] Missing translation: #{keys.join('.')}"
 
-      if options[:locale] != :en
+      if (options[:locale] || I18n.default_locale) != :en
         t(key, **options, locale: :en)
       else
         "translation missing: #{keys.join('.')}"

admin/config/initializers/view_component.rb

@@ -10,7 +10,7 @@
   clear = "\e[0m"
 
   ActiveSupport::Notifications.subscribe("render.view_component") do |*args|
-    next unless args.last[:name].starts_with?("SolidusAdmin::")
+    next unless args.last[:name]&.starts_with?("SolidusAdmin::")
 
     event = ActiveSupport::Notifications::Event.new(*args)
     SolidusAdmin::BaseComponent.logger.debug \

admin/spec/components/solidus_admin/base_component_spec.rb

@@ -48,4 +48,20 @@ def call
       expect(SolidusAdmin::Foo::Bar::Component.new.stimulus_id).to eq("foo--bar")
     end
   end
+
+  describe "missing translations" do
+    it "logs and shows the full chain of keys" do
+      debug_logs = []
+
+      allow(Rails.logger).to receive(:debug) { debug_logs << _1 }
+
+      component_class = stub_const("Foo::Component", Class.new(described_class){ erb_template "" })
+      component = component_class.new
+      render_inline(component)
+      translation = component.translate("foo.bar.baz")
+
+      expect(translation).to eq("translation missing: en.foo.bar.baz")
+      expect(debug_logs).to include(%{  [Foo::Component] Missing translation: en.foo.bar.baz})
+    end
+  end
 end