Test localization for some views

In #1853, it was reported that some views are errorring out due to
missing translations. These tests exercise the translations for the
reported views.

test/integration/test_localization.rb

@@ -0,0 +1,61 @@
+require_relative '../capybara_helper'
+
+context 'Localized frontend' do
+  include Capybara::DSL
+
+  setup do
+    @path = cloned_testpath "examples/lotr.git"
+    @wiki = Gollum::Wiki.new(@path)
+
+    Precious::App.set :gollum_path, @path
+    Precious::App.set :wiki_options, {mathjax: true}
+
+    Capybara.app = Precious::App
+  end
+
+  test 'can visit search results page' do
+    visit '/gollum/search'
+
+    fill_in('Search', with: 'something-to-return-no-results')
+      .native
+      .send_keys(:return)
+
+    assert_includes page.text,
+      'Search results for something-to-return-no-results'
+    assert_includes page.text,
+      'There are no results for your search something-to-return-no-results.'
+
+    click_on 'Back to Top'
+
+    visit '/gollum/search'
+
+    fill_in('Search', with: 'Bilbo').native.send_keys(:return)
+
+    assert_includes page.text, 'Search results for Bilbo'
+
+    click_on 'Show all hits on this page'
+    click_on 'Bilbo-Baggins.md'
+
+    assert page.current_path, '/Bilbo-Baggins.md'
+  end
+
+  test 'can visit overview page' do
+    visit "/gollum/overview"
+
+    assert_includes page.text, 'Overview of master'
+    assert_includes page.text, 'Home'
+
+    click_on 'Back to Top'
+    click_on 'Bilbo-Baggins.md'
+
+    assert page.current_path, '/Bilbo-Baggins.md'
+  end
+
+  teardown do
+    @path = nil
+    @wiki = nil
+
+    Capybara.reset_sessions!
+    Capybara.use_default_driver
+  end
+end