Allow issue grouping by custom field (#2679).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3071 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/queries.yml

@@ -134,4 +134,23 @@ queries_008:
 
   user_id: 2
   column_names: 
+queries_009: 
+  id: 9
+  project_id: 
+  is_public: true
+  name: Open issues grouped by list custom field
+  filters: |
+    --- 
+    status_id: 
+      :values: 
+      - "1"
+      :operator: o
+
+  user_id: 1
+  column_names: 
+  group_by: cf_1
+  sort_criteria: |
+    --- 
+    - - priority
+      - desc
 

test/functional/issues_controller_test.rb

@@ -171,12 +171,26 @@ class IssuesControllerTest < ActionController::TestCase
     assert_nil assigns(:issue_count_by_group)
   end
   
-  def test_index_with_grouped_query
+  def test_index_with_query_grouped_by_tracker
     get :index, :project_id => 1, :query_id => 6
     assert_response :success
     assert_template 'index.rhtml'
     assert_not_nil assigns(:issues)
-    assert_not_nil assigns(:issue_count_by_group)
+    count_by_group = assigns(:issue_count_by_group)
+    assert_kind_of Hash, count_by_group
+    assert_kind_of Tracker, count_by_group.keys.first
+    assert_not_nil count_by_group[Tracker.find(1)]
+  end
+  
+  def test_index_with_query_grouped_by_list_custom_field
+    get :index, :project_id => 1, :query_id => 9
+    assert_response :success
+    assert_template 'index.rhtml'
+    assert_not_nil assigns(:issues)
+    count_by_group = assigns(:issue_count_by_group)
+    assert_kind_of Hash, count_by_group
+    assert_kind_of String, count_by_group.keys.first
+    assert_not_nil count_by_group['MySQL']
   end
   
   def test_index_csv_with_project

test/unit/query_test.rb

@@ -197,6 +197,11 @@ class QueryTest < ActiveSupport::TestCase
     assert q.has_column?(c)
   end
   
+  def test_groupable_columns_should_include_custom_fields
+    q = Query.new
+    assert q.groupable_columns.detect {|c| c.is_a? QueryCustomFieldColumn}
+  end
+  
   def test_default_sort
     q = Query.new
     assert_equal [], q.sort_criteria