Add IssuePriority#high? and #low? helpers (#32628).

Patch by Jan Schulz-Hofen.


git-svn-id: http://svn.redmine.org/redmine/trunk@19448 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/issue_priority.rb

@@ -54,6 +54,14 @@ class IssuePriority < Enumeration
     end
   end
 
+  def high?
+    position > self.class.default_or_middle.position
+  end
+
+  def low?
+    position < self.class.default_or_middle.position
+  end
+
   # Updates position_name for active priorities
   # Called from migration 20121026003537_populate_enumerations_position_name
   def self.compute_position_names

test/unit/issue_priority_test.rb

@@ -90,6 +90,43 @@ class IssuePriorityTest < ActiveSupport::TestCase
     assert_equal %w(lowest low2 default high2 highest), IssuePriority.active.to_a.sort.map(&:position_name)
   end
 
+  def test_low_high_helpers
+    IssuePriority.delete_all
+
+    priorities = [1, 2, 3, 4, 5, 6].map {|i| IssuePriority.create!(:name => "P#{i}")}
+
+    middle = IssuePriority.find_by_position(3)
+
+    [1, 2].each do |p|
+      assert IssuePriority.find_by_position(p).low?
+      assert !IssuePriority.find_by_position(p).high?
+    end
+
+    assert !middle.high?
+    assert !middle.low?
+
+    [4, 5, 6].each do |p|
+      assert IssuePriority.find_by_position(p).high?
+      assert !IssuePriority.find_by_position(p).low?
+    end
+
+    default = IssuePriority.find_by_position(5)
+    default.update_attributes is_default: true
+
+    [1, 2, 3, 4].each do |p|
+      assert IssuePriority.find_by_position(p).low?
+      assert !IssuePriority.find_by_position(p).high?
+    end
+
+    assert !default.high?
+    assert !default.low?
+
+    [6].each do |p|
+      assert IssuePriority.find_by_position(p).high?
+      assert !IssuePriority.find_by_position(p).low?
+    end
+  end
+
   def test_adding_a_priority_should_update_position_names
     priority = IssuePriority.create!(:name => 'New')
     assert_equal %w(lowest default high4 high3 high2 highest), IssuePriority.active.to_a.sort.map(&:position_name)