Do not cache I18n strings when truncating a long diff (#5089).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@6073 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/repositories_controller.rb

@@ -208,7 +208,7 @@ class RepositoriesController < ApplicationController
         User.current.preference.save
       end
       @cache_key = "repositories/diff/#{@repository.id}/" + 
-                      Digest::MD5.hexdigest("#{@path}-#{@rev}-#{@rev_to}-#{@diff_type}")
+                      Digest::MD5.hexdigest("#{@path}-#{@rev}-#{@rev_to}-#{@diff_type}-#{current_language}")
       unless read_fragment(@cache_key)
         @diff = @repository.diff(@path, @rev, @rev_to)
         show_error_not_found unless @diff

test/functional/repositories_git_controller_test.rb

@@ -56,6 +56,8 @@ class RepositoriesGitControllerTest < ActionController::TestCase
     if @char_1.respond_to?(:force_encoding)
       @char_1.force_encoding('UTF-8')
     end
+
+    Setting.default_language = 'en'
   end
 
   if File.directory?(REPOSITORY_PATH)
@@ -219,6 +221,27 @@ class RepositoriesGitControllerTest < ActionController::TestCase
       end
     end
 
+    def test_diff_truncated
+      @repository.fetch_changesets
+      @repository.reload
+      Setting.diff_max_lines_displayed = 5
+
+      # Truncated diff of changeset 2f9c0091
+      with_cache do
+        get :diff, :id   => PRJ_ID, :type => 'inline',
+            :rev  => '2f9c0091c754a91af7a9c478e36556b4bde8dcf7'
+        assert_response :success
+        assert @response.body.include?("... This diff was truncated")
+
+        Setting.default_language = 'fr'
+        get :diff, :id   => PRJ_ID, :type => 'inline',
+            :rev  => '2f9c0091c754a91af7a9c478e36556b4bde8dcf7'
+        assert_response :success
+        assert ! @response.body.include?("... This diff was truncated")
+        assert @response.body.include?("... Ce diff")
+      end
+    end
+
     def test_diff_two_revs
       @repository.fetch_changesets
       @repository.reload
@@ -361,4 +384,12 @@ class RepositoriesGitControllerTest < ActionController::TestCase
     puts "Git test repository NOT FOUND. Skipping functional tests !!!"
     def test_fake; assert true end
   end
+
+  private
+  def with_cache(&block)
+    before = ActionController::Base.perform_caching
+    ActionController::Base.perform_caching = true
+    block.call
+    ActionController::Base.perform_caching = before
+  end
 end