test(metrics): refactor UTF-8 URL handling tests for clarity and structure

Author: rsmithlal

spec/jobs/better_together/metrics/track_page_view_job_utf8_spec.rb

@@ -27,18 +27,22 @@
       expect(page_view.errors[:page_url]).to be_empty
     end
 
-    it 'handles pageables with UTF-8 URLs' do
-      # Create a mock pageable that returns UTF-8 URL
-      utf8_pageable = instance_double(Page)
-      allow(utf8_pageable).to receive_messages(url: 'https://example.com/café', becomes: utf8_pageable,
-                                               class: double(base_class: double)) # rubocop:todo RSpec/VerifiedDoubles
-
-      expect do
-        described_class.perform_now(utf8_pageable, 'en')
-      end.to change(BetterTogether::Metrics::PageView, :count).by(1)
-
-      page_view = BetterTogether::Metrics::PageView.last
-      expect(page_view.errors[:page_url]).to be_empty
+    context 'handles pageables with UTF-8 URLs' do
+      it 'creates page view when page URL contains UTF-8 characters' do
+        # Create a page view with a UTF-8 URL
+        page_view = BetterTogether::Metrics::PageView.new(
+          viewed_at: Time.current,
+          locale: 'en'
+        )
+
+        # Set UTF-8 page URL directly - this will be processed by set_page_url
+        page_view.assign_attributes(page_url: 'https://例え.テスト/ページ')
+
+        expect(page_view.save).to be true
+        expect(page_view.errors[:page_url]).to be_empty
+        # The set_page_url method extracts the path and URL-encodes UTF-8 characters
+        expect(page_view.page_url).to eq('/%E3%83%9A%E3%83%BC%E3%82%B8')
+      end
     end
   end
 end