Fix handling of title when replying to diary entries

test/system/diary_entry_test.rb

@@ -0,0 +1,18 @@
+require "application_system_test_case"
+
+class DiaryEntryTest < ApplicationSystemTestCase
+  def setup
+    create(:language, :code => "en")
+    @diary_entry = create(:diary_entry)
+  end
+
+  test "reply to diary entry should prefill the message subject" do
+    sign_in_as(create(:user))
+    visit diary_path
+
+    click_on "Reply to this entry"
+
+    assert page.has_content? "Send a new message"
+    assert_equal "Re: #{@diary_entry.title}", page.find_field("Subject").value
+  end
+end

test/test_helper.rb

@@ -150,5 +150,13 @@ module ActiveSupport
         end
       end
     end
+
+    def sign_in_as(user)
+      stub_hostip_requests
+      visit login_path
+      fill_in "username", :with => user.email
+      fill_in "password", :with => "test"
+      click_on "Login", :match => :first
+    end
   end
 end