[#808] Truncate and show a link to the full journal diff in the issue history

test/integration/journals_test.rb

+#-- encoding: UTF-8
+#-- copyright
+# ChiliProject is a project management system.
+#
+# Copyright (C) 2010-2011 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# See doc/COPYRIGHT.rdoc for more details.
+#++
+require File.expand_path('../../test_helper', __FILE__)
+require 'capybara/rails'
+
+class JournalsTest < ActionController::IntegrationTest
+  fixtures :all
+
+  include IntegrationTestHelpers::CapybaraHelpers
+  include Capybara::DSL
+  
+  test "showing issue description changes as a diff" do
+    # Description change
+    @issue = Issue.find(1)
+    @issue.recreate_initial_journal!
+    @issue.reload
+    assert_difference("Journal.count") do
+      @issue.journal_user = User.find_by_login('jsmith')
+      @issue.description = "A new description"
+      assert @issue.save
+    end
+    
+    log_user('jsmith', 'jsmith')
+
+    # Issue page
+    visit_issue_page(@issue)
+    assert has_selector?("#history .journal-attributes li i", :text => 'A new description')
+    within("#history .journal-attributes li") do
+      find_link("More").click
+    end
+
+    # Diff page
+    assert_response :success
+    assert has_selector?("#content .text-diff", :text => /A new description/)
+  end
+end

test/integration_test_helpers.rb

@@ -51,7 +51,7 @@ module IntegrationTestHelpers
       visit "/login"
       fill_in 'Login', :with => user
       fill_in 'Password', :with => password
-      click_button 'login'
+      click_button 'Login'
       assert_response :success
       assert User.current.logged?
     end

vendor/plugins/acts_as_journalized/lib/journal_formatter.rb

@@ -28,6 +28,7 @@ module JournalFormatter
   include CustomFieldsHelper
   include ActionView::Helpers::TagHelper
   include ActionView::Helpers::UrlHelper
+  include ActionView::Helpers::TextHelper
   include ActionController::UrlWriter
   extend Redmine::I18n
 
@@ -122,6 +123,16 @@ module JournalFormatter
     [label, old_value, value]
   end
 
+  # Formats a detail to be used with a Journal diff
+  #
+  # Truncates the content. Adds a link to view a diff.
+  def format_html_diff_detail(key, label, old_value, value)
+    link = link_to(l(:label_more), {:controller => 'journals', :action => 'diff', :id => id, :field => key.to_s})
+    old_value = truncate(old_value, :length => 80)
+    value = truncate(value, :length => 80) + " " + link
+    [old_value, value]
+  end
+  
   def property(detail)
     key = prop_key(detail)
     if key.start_with? "custom_values"
@@ -186,6 +197,9 @@ module JournalFormatter
     unless no_html
       label, old_value, value = *format_html_detail(label, old_value, value)
       value = format_html_attachment_detail(key.sub("attachments", ""), value) if attachment_detail
+      if property(detail) == :attribute && key == "description"
+        old_value, value = *format_html_diff_detail(key, label, old_value, value)
+      end
     end
 
     unless value.blank?