Clean up global state changes in custom web test, fixes #2752

lib/sidekiq/web_helpers.rb

@@ -17,6 +17,11 @@ module Sidekiq
       end
     end
 
+    def clear_caches
+      @@strings = nil
+      @@locale_files = nil
+    end
+
     def locale_files
       @@locale_files ||= settings.locales.flat_map do |path|
         Dir["#{path}/*.yml"]

test/test_web.rb

@@ -369,19 +369,24 @@ class TestWeb < Sidekiq::Test
       assert_equal 200, last_response.status
     end
 
+    describe 'custom locales' do
+      before do
         Sidekiq::Web.settings.locales << File.join(File.dirname(__FILE__), "fixtures")
-    it 'can show user defined tab with custom locales' do
-      begin
         Sidekiq::Web.tabs['Custom Tab'] = '/custom'
         Sidekiq::Web.get('/custom') do
+          clear_caches # ugly hack since I can't figure out how to access WebHelpers outside of this context
           t('translated_text')
         end
+      end
 
+      after do
+        Sidekiq::Web.tabs.delete 'Custom Tab'
+        Sidekiq::Web.settings.locales.pop
+      end
+
+      it 'can show user defined tab with custom locales' do
         get '/custom'
         assert_match(/Changed text/, last_response.body)
-
-      ensure
-        Sidekiq::Web.tabs.delete 'Custom Tab'
       end
     end