Prevent SystemStackError on Issue#all_dependent_issues with mutiple circular dependencies (#7320).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5104 e93f8b46-1217-0410-a6f0-8f06a7374b81

Prevent SystemStackError on Issue#all_dependent_issues with mutiple circular dependencies (#7320).
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5104 e93f8b46-1217-0410-a6f0-8f06a7374b81
93a4f621 · Jean-Philippe Lang · Eric Davis · 43868845 · 93a4f621 · 93a4f621
Commit 93a4f621 authored Mar 13, 2011 by Jean-Philippe Lang Committed by Eric Davis Apr 16, 2011
Hide whitespace changes
Inline Side-by-side

Showing with 15 additions and 3 deletions

issue.rb app/models/issue.rb +3 -3

issue_test.rb test/unit/issue_test.rb +12 -0

No files found.
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -455,11 +455,11 @@ class Issue < ActiveRecord::Base
    (relations_from + relations_to).sort
  end
  
-  def all_dependent_issues(except=nil)
-    except ||= self
+  def all_dependent_issues(except=[])
+    except << self
    dependencies = []
    relations_from.each do |relation|
-      if relation.issue_to && relation.issue_to != except
+      if relation.issue_to && !except.include?(relation.issue_to) 
        dependencies << relation.issue_to
        dependencies += relation.issue_to.all_dependent_issues(except)
      end

--- a/test/unit/issue_test.rb
+++ b/test/unit/issue_test.rb
@@ -686,6 +686,18 @@ class IssueTest < ActiveSupport::TestCase
    
    assert_equal [2, 3], Issue.find(1).all_dependent_issues.collect(&:id).sort
  end
+
+  def test_all_dependent_issues_with_persistent_multiple_circular_dependencies
+    IssueRelation.delete_all
+    assert IssueRelation.create!(:issue_from => Issue.find(1), :issue_to => Issue.find(2), :relation_type => IssueRelation::TYPE_RELATES)
+    assert IssueRelation.create!(:issue_from => Issue.find(2), :issue_to => Issue.find(3), :relation_type => IssueRelation::TYPE_RELATES)
+    assert IssueRelation.create!(:issue_from => Issue.find(3), :issue_to => Issue.find(8), :relation_type => IssueRelation::TYPE_RELATES)
+    # Validation skipping
+    assert IssueRelation.new(:issue_from => Issue.find(8), :issue_to => Issue.find(2), :relation_type => IssueRelation::TYPE_RELATES).save(false)
+    assert IssueRelation.new(:issue_from => Issue.find(3), :issue_to => Issue.find(1), :relation_type => IssueRelation::TYPE_RELATES).save(false)
+    
+    assert_equal [2, 3, 8], Issue.find(1).all_dependent_issues.collect(&:id).sort
+  end
  
  context "#done_ratio" do
    setup do