Add tests

Author: fkdkent

test/unit/issue_test.rb

@@ -2938,6 +2938,29 @@ def test_saving_twice_should_not_duplicate_journal_details
     end
   end
 
+  test "done ratio of existing issues follows the new issue_done_ratio setting" do
+    closed_status = IssueStatus.find(5)
+    closed_status.update!(:default_done_ratio => 90)
+
+    issue = Issue.generate!(:status_id => 1, :done_ratio => 30)
+    issue.update!(:status => closed_status)
+
+    with_settings :issue_done_ratio => 'issue_status' do
+      assert_equal 90, issue.done_ratio
+      assert_equal 30, issue.read_attribute(:done_ratio)
+    end
+
+    with_settings :issue_done_ratio => 'issue_field_and_closed_status' do
+      assert_equal 100, issue.done_ratio
+      assert_equal 30, issue.read_attribute(:done_ratio)
+    end
+
+    with_settings :issue_done_ratio => 'issue_field' do
+      assert_equal 30, issue.done_ratio
+      assert_equal 30, issue.read_attribute(:done_ratio)
+    end
+  end
+
   test "#by_tracker" do
     User.current = User.find(2)
     groups = Issue.by_tracker(Project.find(1))