Fixed that relations may not be refreshed when adding a follows relation (#13251).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11461 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issue_relations_controller.rb

     respond_to do |format|
       format.html { redirect_to issue_path(@issue) }
       format.js {
-        @relations = @issue.relations.select {|r| r.other_issue(@issue) && r.other_issue(@issue).visible? }
+        @relations = @issue.reload.relations.select {|r| r.other_issue(@issue) && r.other_issue(@issue).visible? }
       }
       format.api {
         if saved

app/models/issue.rb

   def reload(*args)
     @workflow_rule_by_attribute = nil
     @assignable_versions = nil
+    @relations = nil
     super
   end
 

test/functional/issue_relations_controller_test.rb

     end
   end
 
+  def test_create_follows_relation_should_update_relations_list
+    issue1 = Issue.generate!(:subject => 'Followed issue', :start_date => Date.yesterday, :due_date => Date.today)
+    issue2 = Issue.generate!
+
+    assert_difference 'IssueRelation.count' do
+      xhr :post, :create, :issue_id => issue2.id,
+                 :relation => {:issue_to_id => issue1.id, :relation_type => 'follows', :delay => ''}
+    end
+    assert_match /Followed issue/, response.body
+  end
+
   def test_should_create_relations_with_visible_issues_only
     Setting.cross_project_issue_relations = '1'
     assert_nil Issue.visible(User.find(3)).find_by_id(4)