SoundSoftware Code Site

# Redmine - project management software

# Copyright (C) 2006-2011  Jean-Philippe Lang

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

require File.expand_path('../../test_helper', __FILE__)

require 'repositories_controller'

# Re-raise errors caught by the controller.

class RepositoriesController; def rescue_action(e) raise e end; end

class RepositoriesDarcsControllerTest < ActionController::TestCase

  fixtures :projects, :users, :roles, :members, :member_roles,

           :repositories, :enabled_modules

  REPOSITORY_PATH = Rails.root.join('tmp/test/darcs_repository').to_s

  PRJ_ID = 3

  NUM_REV = 6

  def setup

    @controller = RepositoriesController.new

    @request    = ActionController::TestRequest.new

    @response   = ActionController::TestResponse.new

    User.current = nil

    @project = Project.find(PRJ_ID)

    @repository = Repository::Darcs.create(

                        :project      => @project,

                        :url          => REPOSITORY_PATH,

                        :log_encoding => 'UTF-8'

                        )

    assert @repository

  end

  if File.directory?(REPOSITORY_PATH)

    def test_browse_root

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      get :show, :id => PRJ_ID

      assert_response :success

      assert_template 'show'

      assert_not_nil assigns(:entries)

      assert_equal 3, assigns(:entries).size

      assert assigns(:entries).detect {|e| e.name == 'images' && e.kind == 'dir'}

      assert assigns(:entries).detect {|e| e.name == 'sources' && e.kind == 'dir'}

      assert assigns(:entries).detect {|e| e.name == 'README' && e.kind == 'file'}

    end

    def test_browse_directory

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      get :show, :id => PRJ_ID, :path => ['images']

      assert_response :success

      assert_template 'show'

      assert_not_nil assigns(:entries)

      assert_equal ['delete.png', 'edit.png'], assigns(:entries).collect(&:name)

      entry = assigns(:entries).detect {|e| e.name == 'edit.png'}

      assert_not_nil entry

      assert_equal 'file', entry.kind

      assert_equal 'images/edit.png', entry.path

    end

    def test_browse_at_given_revision

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      get :show, :id => PRJ_ID, :path => ['images'], :rev => 1

      assert_response :success

      assert_template 'show'

      assert_not_nil assigns(:entries)

      assert_equal ['delete.png'], assigns(:entries).collect(&:name)

    end

    def test_changes

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      get :changes, :id => PRJ_ID, :path => ['images', 'edit.png']

      assert_response :success

      assert_template 'changes'

      assert_tag :tag => 'h2', :content => 'edit.png'

    end

    def test_diff

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      # Full diff of changeset 5

      ['inline', 'sbs'].each do |dt|

        get :diff, :id => PRJ_ID, :rev => 5, :type => dt

        assert_response :success

        assert_template 'diff'

        # Line 22 removed

        assert_tag :tag => 'th',

                   :content => '22',

                   :sibling => { :tag => 'td',

                                 :attributes => { :class => /diff_out/ },

                                 :content => /def remove/ }

      end

    end

    def test_destroy_valid_repository

      @request.session[:user_id] = 1 # admin

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      get :destroy, :id => PRJ_ID

      assert_response 302

      @project.reload

      assert_nil @project.repository

    end

    def test_destroy_invalid_repository

      @request.session[:user_id] = 1 # admin

      assert_equal 0, @repository.changesets.count

      @repository.fetch_changesets

      @project.reload

      assert_equal NUM_REV, @repository.changesets.count

      get :destroy, :id => PRJ_ID

      assert_response 302

      @project.reload

      assert_nil @project.repository

      @repository = Repository::Darcs.create(

                        :project      => @project,

                        :url          => "/invalid",

                        :log_encoding => 'UTF-8'

                        )

      assert @repository

      @repository.fetch_changesets

      @project.reload

      assert_equal 0, @repository.changesets.count

      get :destroy, :id => PRJ_ID

      assert_response 302

      @project.reload

      assert_nil @project.repository

    end

  else

    puts "Darcs test repository NOT FOUND. Skipping functional tests !!!"

    def test_fake; assert true end

  end

end

module ActiveRecord

  module Acts #:nodoc:

    module List #:nodoc:

      def self.included(base)

        base.extend(ClassMethods)

      end

      # This +acts_as+ extension provides the capabilities for sorting and reordering a number of objects in a list.

      # The class that has this specified needs to have a +position+ column defined as an integer on

      # the mapped database table.

      #

      # Todo list example:

      #

      #   class TodoList < ActiveRecord::Base

      #     has_many :todo_items, :order => "position"

      #   end

      #

      #   class TodoItem < ActiveRecord::Base

      #     belongs_to :todo_list

      #     acts_as_list :scope => :todo_list

      #   end

      #

      #   todo_list.first.move_to_bottom

      #   todo_list.last.move_higher

      module ClassMethods

        # Configuration options are:

        #

        # * +column+ - specifies the column name to use for keeping the position integer (default: +position+)

        # * +scope+ - restricts what is to be considered a list. Given a symbol, it'll attach <tt>_id</tt> 

        #   (if it hasn't already been added) and use that as the foreign key restriction. It's also possible 

        #   to give it an entire string that is interpolated if you need a tighter scope than just a foreign key.

        #   Example: <tt>acts_as_list :scope => 'todo_list_id = #{todo_list_id} AND completed = 0'</tt>

        def acts_as_list(options = {})

          configuration = { :column => "position", :scope => "1 = 1" }

          configuration.update(options) if options.is_a?(Hash)

          configuration[:scope] = "#{configuration[:scope]}_id".intern if configuration[:scope].is_a?(Symbol) && configuration[:scope].to_s !~ /_id$/

          if configuration[:scope].is_a?(Symbol)

            scope_condition_method = %(

              def scope_condition

                if #{configuration[:scope].to_s}.nil?

                  "#{configuration[:scope].to_s} IS NULL"

                else

                  "#{configuration[:scope].to_s} = \#{#{configuration[:scope].to_s}}"

                end

              end

            )

          else

            scope_condition_method = "def scope_condition() \"#{configuration[:scope]}\" end"

          end

          class_eval <<-EOV

            include ActiveRecord::Acts::List::InstanceMethods

            def acts_as_list_class

              ::#{self.name}

            end

            def position_column

              '#{configuration[:column]}'

            end

            #{scope_condition_method}

            before_destroy :remove_from_list

            before_create  :add_to_list_bottom

          EOV

        end

      end

      # All the methods available to a record that has had <tt>acts_as_list</tt> specified. Each method works

      # by assuming the object to be the item in the list, so <tt>chapter.move_lower</tt> would move that chapter

      # lower in the list of all chapters. Likewise, <tt>chapter.first?</tt> would return +true+ if that chapter is

      # the first in the list of all chapters.

      module InstanceMethods

        # Insert the item at the given position (defaults to the top position of 1).

        def insert_at(position = 1)

          insert_at_position(position)

        end

        # Swap positions with the next lower item, if one exists.

        def move_lower

          return unless lower_item

          acts_as_list_class.transaction do

            lower_item.decrement_position

            increment_position

          end

        end

        # Swap positions with the next higher item, if one exists.

        def move_higher

          return unless higher_item

          acts_as_list_class.transaction do

            higher_item.increment_position

            decrement_position

          end

        end

        # Move to the bottom of the list. If the item is already in the list, the items below it have their

        # position adjusted accordingly.

        def move_to_bottom

          return unless in_list?

          acts_as_list_class.transaction do

            decrement_positions_on_lower_items

            assume_bottom_position

          end

        end

        # Move to the top of the list. If the item is already in the list, the items above it have their

        # position adjusted accordingly.

        def move_to_top

          return unless in_list?

          acts_as_list_class.transaction do

            increment_positions_on_higher_items

            assume_top_position

          end

        end

        # Move to the given position

        def move_to=(pos)

          case pos.to_s

          when 'highest'

            move_to_top

          when 'higher'

            move_higher

          when 'lower'

            move_lower

          when 'lowest'

            move_to_bottom

          end

        end

        # Removes the item from the list.

        def remove_from_list

          if in_list?

            decrement_positions_on_lower_items

            update_attribute position_column, nil

          end

        end

        # Increase the position of this item without adjusting the rest of the list.

        def increment_position

          return unless in_list?

          update_attribute position_column, self.send(position_column).to_i + 1

        end

        # Decrease the position of this item without adjusting the rest of the list.

        def decrement_position

          return unless in_list?

          update_attribute position_column, self.send(position_column).to_i - 1

        end

        # Return +true+ if this object is the first in the list.

        def first?

          return false unless in_list?

          self.send(position_column) == 1

        end

        # Return +true+ if this object is the last in the list.

        def last?

          return false unless in_list?

          self.send(position_column) == bottom_position_in_list

        end

        # Return the next higher item in the list.

        def higher_item

          return nil unless in_list?

          acts_as_list_class.find(:first, :conditions =>

            "#{scope_condition} AND #{position_column} = #{(send(position_column).to_i - 1).to_s}"

          )

        end

        # Return the next lower item in the list.

        def lower_item

          return nil unless in_list?

          acts_as_list_class.find(:first, :conditions =>

            "#{scope_condition} AND #{position_column} = #{(send(position_column).to_i + 1).to_s}"

          )

        end

        # Test if this record is in a list

        def in_list?

          !send(position_column).nil?

        end

        private

          def add_to_list_top

            increment_positions_on_all_items

          end

          def add_to_list_bottom

            self[position_column] = bottom_position_in_list.to_i + 1

          end

          # Overwrite this method to define the scope of the list changes

          def scope_condition() "1" end

          # Returns the bottom position number in the list.

          #   bottom_position_in_list    # => 2

          def bottom_position_in_list(except = nil)

            item = bottom_item(except)

            item ? item.send(position_column) : 0

          end

          # Returns the bottom item

          def bottom_item(except = nil)

            conditions = scope_condition

            conditions = "#{conditions} AND #{self.class.primary_key} != #{except.id}" if except

            acts_as_list_class.find(:first, :conditions => conditions, :order => "#{position_column} DESC")

          end

          # Forces item to assume the bottom position in the list.

          def assume_bottom_position

            update_attribute(position_column, bottom_position_in_list(self).to_i + 1)

          end

          # Forces item to assume the top position in the list.

          def assume_top_position

            update_attribute(position_column, 1)

          end

          # This has the effect of moving all the higher items up one.

          def decrement_positions_on_higher_items(position)

            acts_as_list_class.update_all(

              "#{position_column} = (#{position_column} - 1)", "#{scope_condition} AND #{position_column} <= #{position}"

            )

          end

          # This has the effect of moving all the lower items up one.

          def decrement_positions_on_lower_items

            return unless in_list?

            acts_as_list_class.update_all(

              "#{position_column} = (#{position_column} - 1)", "#{scope_condition} AND #{position_column} > #{send(position_column).to_i}"

            )

          end

          # This has the effect of moving all the higher items down one.

          def increment_positions_on_higher_items

            return unless in_list?

            acts_as_list_class.update_all(

              "#{position_column} = (#{position_column} + 1)", "#{scope_condition} AND #{position_column} < #{send(position_column).to_i}"

            )

          end

          # This has the effect of moving all the lower items down one.

          def increment_positions_on_lower_items(position)

            acts_as_list_class.update_all(

              "#{position_column} = (#{position_column} + 1)", "#{scope_condition} AND #{position_column} >= #{position}"

           )

          end

          # Increments position (<tt>position_column</tt>) of all items in the list.

          def increment_positions_on_all_items

            acts_as_list_class.update_all(

              "#{position_column} = (#{position_column} + 1)",  "#{scope_condition}"

            )

          end

          def insert_at_position(position)

            remove_from_list

            increment_positions_on_lower_items(position)

            self.update_attribute(position_column, position)

          end

      end 

    end

  end

end