# redMine - project management software
# Copyright (C) 2006-2007  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.dirname(__FILE__) + '/../test_helper'

class ProjectTest < ActiveSupport::TestCase
  fixtures :projects, :enabled_modules, 
           :issues, :issue_statuses, :journals, :journal_details,
           :users, :members, :member_roles, :roles, :projects_trackers, :trackers, :boards,
           :queries

  def setup
    @ecookbook = Project.find(1)
    @ecookbook_sub1 = Project.find(3)
  end
  
  should_validate_presence_of :name
  should_validate_presence_of :identifier

  should_validate_uniqueness_of :name
  should_validate_uniqueness_of :identifier

  context "associations" do
    should_have_many :members
    should_have_many :users, :through => :members
    should_have_many :member_principals
    should_have_many :principals, :through => :member_principals
    should_have_many :enabled_modules
    should_have_many :issues
    should_have_many :issue_changes, :through => :issues
    should_have_many :versions
    should_have_many :time_entries
    should_have_many :queries
    should_have_many :documents
    should_have_many :news
    should_have_many :issue_categories
    should_have_many :boards
    should_have_many :changesets, :through => :repository

    should_have_one :repository
    should_have_one :wiki

    should_have_and_belong_to_many :trackers
    should_have_and_belong_to_many :issue_custom_fields
  end

  def test_truth
    assert_kind_of Project, @ecookbook
    assert_equal "eCookbook", @ecookbook.name
  end
  
  def test_update
    assert_equal "eCookbook", @ecookbook.name
    @ecookbook.name = "eCook"
    assert @ecookbook.save, @ecookbook.errors.full_messages.join("; ")
    @ecookbook.reload
    assert_equal "eCook", @ecookbook.name
  end
  
  def test_validate_identifier
    to_test = {"abc" => true,
               "ab12" => true,
               "ab-12" => true,
               "12" => false,
               "new" => false}
               
    to_test.each do |identifier, valid|
      p = Project.new
      p.identifier = identifier
      p.valid?
      assert_equal valid, p.errors.on('identifier').nil?
    end
  end

  def test_members_should_be_active_users
    Project.all.each do |project|
      assert_nil project.members.detect {|m| !(m.user.is_a?(User) && m.user.active?) }
    end
  end
  
  def test_users_should_be_active_users
    Project.all.each do |project|
      assert_nil project.users.detect {|u| !(u.is_a?(User) && u.active?) }
    end
  end
  
  def test_archive
    user = @ecookbook.members.first.user
    @ecookbook.archive
    @ecookbook.reload
    
    assert !@ecookbook.active?
    assert !user.projects.include?(@ecookbook)
    # Subproject are also archived
    assert !@ecookbook.children.empty?
    assert @ecookbook.descendants.active.empty?
  end
  
  def test_unarchive
    user = @ecookbook.members.first.user
    @ecookbook.archive
    # A subproject of an archived project can not be unarchived
    assert !@ecookbook_sub1.unarchive
    
    # Unarchive project
    assert @ecookbook.unarchive
    @ecookbook.reload
    assert @ecookbook.active?
    assert user.projects.include?(@ecookbook)
    # Subproject can now be unarchived
    @ecookbook_sub1.reload
    assert @ecookbook_sub1.unarchive
  end
  
  def test_destroy
    # 2 active members
    assert_equal 2, @ecookbook.members.size
    # and 1 is locked
    assert_equal 3, Member.find(:all, :conditions => ['project_id = ?', @ecookbook.id]).size
    # some boards
    assert @ecookbook.boards.any?
    
    @ecookbook.destroy
    # make sure that the project non longer exists
    assert_raise(ActiveRecord::RecordNotFound) { Project.find(@ecookbook.id) }
    # make sure related data was removed
    assert Member.find(:all, :conditions => ['project_id = ?', @ecookbook.id]).empty?
    assert Board.find(:all, :conditions => ['project_id = ?', @ecookbook.id]).empty?
  end
  
  def test_move_an_orphan_project_to_a_root_project
    sub = Project.find(2)
    sub.set_parent! @ecookbook
    assert_equal @ecookbook.id, sub.parent.id
    @ecookbook.reload
    assert_equal 4, @ecookbook.children.size
  end
  
  def test_move_an_orphan_project_to_a_subproject
    sub = Project.find(2)
    assert sub.set_parent!(@ecookbook_sub1)
  end
  
  def test_move_a_root_project_to_a_project
    sub = @ecookbook
    assert sub.set_parent!(Project.find(2))
  end
  
  def test_should_not_move_a_project_to_its_children
    sub = @ecookbook
    assert !(sub.set_parent!(Project.find(3)))
  end
  
  def test_set_parent_should_add_roots_in_alphabetical_order
    ProjectCustomField.delete_all
    Project.delete_all
    Project.create!(:name => 'Project C', :identifier => 'project-c').set_parent!(nil)
    Project.create!(:name => 'Project B', :identifier => 'project-b').set_parent!(nil)
    Project.create!(:name => 'Project D', :identifier => 'project-d').set_parent!(nil)
    Project.create!(:name => 'Project A', :identifier => 'project-a').set_parent!(nil)
    
    assert_equal 4, Project.count
    assert_equal Project.all.sort_by(&:name), Project.all.sort_by(&:lft)
  end
  
  def test_set_parent_should_add_children_in_alphabetical_order
    ProjectCustomField.delete_all
    parent = Project.create!(:name => 'Parent', :identifier => 'parent')
    Project.create!(:name => 'Project C', :identifier => 'project-c').set_parent!(parent)
    Project.create!(:name => 'Project B', :identifier => 'project-b').set_parent!(parent)
    Project.create!(:name => 'Project D', :identifier => 'project-d').set_parent!(parent)
    Project.create!(:name => 'Project A', :identifier => 'project-a').set_parent!(parent)
    
    parent.reload
    assert_equal 4, parent.children.size
    assert_equal parent.children.sort_by(&:name), parent.children
  end
  
  def test_rebuild_should_sort_children_alphabetically
    ProjectCustomField.delete_all
    parent = Project.create!(:name => 'Parent', :identifier => 'parent')
    Project.create!(:name => 'Project C', :identifier => 'project-c').move_to_child_of(parent)
    Project.create!(:name => 'Project B', :identifier => 'project-b').move_to_child_of(parent)
    Project.create!(:name => 'Project D', :identifier => 'project-d').move_to_child_of(parent)
    Project.create!(:name => 'Project A', :identifier => 'project-a').move_to_child_of(parent)
    
    Project.update_all("lft = NULL, rgt = NULL")
    Project.rebuild!
    
    parent.reload
    assert_equal 4, parent.children.size
    assert_equal parent.children.sort_by(&:name), parent.children
  end
  
  def test_parent
    p = Project.find(6).parent
    assert p.is_a?(Project)
    assert_equal 5, p.id
  end
  
  def test_ancestors
    a = Project.find(6).ancestors
    assert a.first.is_a?(Project)
    assert_equal [1, 5], a.collect(&:id)
  end
  
  def test_root
    r = Project.find(6).root
    assert r.is_a?(Project)
    assert_equal 1, r.id
  end
  
  def test_children
    c = Project.find(1).children
    assert c.first.is_a?(Project)
    assert_equal [5, 3, 4], c.collect(&:id)
  end
  
  def test_descendants
    d = Project.find(1).descendants
    assert d.first.is_a?(Project)
    assert_equal [5, 6, 3, 4], d.collect(&:id)
  end
  
  def test_users_by_role
    users_by_role = Project.find(1).users_by_role
    assert_kind_of Hash, users_by_role
    role = Role.find(1)
    assert_kind_of Array, users_by_role[role]
    assert users_by_role[role].include?(User.find(2))
  end
  
  def test_rolled_up_trackers
    parent = Project.find(1)
    parent.trackers = Tracker.find([1,2])
    child = parent.children.find(3)
  
    assert_equal [1, 2], parent.tracker_ids
    assert_equal [2, 3], child.trackers.collect(&:id)
    
    assert_kind_of Tracker, parent.rolled_up_trackers.first
    assert_equal Tracker.find(1), parent.rolled_up_trackers.first
    
    assert_equal [1, 2, 3], parent.rolled_up_trackers.collect(&:id)
    assert_equal [2, 3], child.rolled_up_trackers.collect(&:id)
  end
  
  def test_rolled_up_trackers_should_ignore_archived_subprojects
    parent = Project.find(1)
    parent.trackers = Tracker.find([1,2])
    child = parent.children.find(3)
    child.trackers = Tracker.find([1,3])
    parent.children.each(&:archive)
    
    assert_equal [1,2], parent.rolled_up_trackers.collect(&:id)
  end
  
  def test_next_identifier
    ProjectCustomField.delete_all
    Project.create!(:name => 'last', :identifier => 'p2008040')
    assert_equal 'p2008041', Project.next_identifier
  end
  
  def test_next_identifier_first_project
    Project.delete_all
    assert_nil Project.next_identifier
  end
  

  def test_enabled_module_names_should_not_recreate_enabled_modules
    project = Project.find(1)
    # Remove one module
    modules = project.enabled_modules.slice(0..-2)
    assert modules.any?
    assert_difference 'EnabledModule.count', -1 do
      project.enabled_module_names = modules.collect(&:name)
    end
    project.reload
    # Ids should be preserved
    assert_equal project.enabled_module_ids.sort, modules.collect(&:id).sort
  end

  def test_copy_from_existing_project
    source_project = Project.find(1)
    copied_project = Project.copy_from(1)

    assert copied_project
    # Cleared attributes
    assert copied_project.id.blank?
    assert copied_project.name.blank?
    assert copied_project.identifier.blank?
    
    # Duplicated attributes
    assert_equal source_project.description, copied_project.description
    assert_equal source_project.enabled_modules, copied_project.enabled_modules
    assert_equal source_project.trackers, copied_project.trackers

    # Default attributes
    assert_equal 1, copied_project.status
  end

  def test_activities_should_use_the_system_activities
    project = Project.find(1)
    assert_equal project.activities, TimeEntryActivity.find(:all, :conditions => {:active => true} )
  end


  def test_activities_should_use_the_project_specific_activities
    project = Project.find(1)
    overridden_activity = TimeEntryActivity.new({:name => "Project", :project => project})
    assert overridden_activity.save!

    assert project.activities.include?(overridden_activity), "Project specific Activity not found"
  end

  def test_activities_should_not_include_the_inactive_project_specific_activities
    project = Project.find(1)
    overridden_activity = TimeEntryActivity.new({:name => "Project", :project => project, :parent => TimeEntryActivity.find(:first), :active => false})
    assert overridden_activity.save!

    assert !project.activities.include?(overridden_activity), "Inactive Project specific Activity found"
  end

  def test_activities_should_not_include_project_specific_activities_from_other_projects
    project = Project.find(1)
    overridden_activity = TimeEntryActivity.new({:name => "Project", :project => Project.find(2)})
    assert overridden_activity.save!

    assert !project.activities.include?(overridden_activity), "Project specific Activity found on a different project"
  end

  def test_activities_should_handle_nils
    overridden_activity = TimeEntryActivity.new({:name => "Project", :project => Project.find(1), :parent => TimeEntryActivity.find(:first)})
    TimeEntryActivity.delete_all

    # No activities
    project = Project.find(1)
    assert project.activities.empty?

    # No system, one overridden
    assert overridden_activity.save!
    project.reload
    assert_equal [overridden_activity], project.activities
  end

  def test_activities_should_override_system_activities_with_project_activities
    project = Project.find(1)
    parent_activity = TimeEntryActivity.find(:first)
    overridden_activity = TimeEntryActivity.new({:name => "Project", :project => project, :parent => parent_activity})
    assert overridden_activity.save!

    assert project.activities.include?(overridden_activity), "Project specific Activity not found"
    assert !project.activities.include?(parent_activity), "System Activity found when it should have been overridden"
  end

  def test_activities_should_include_inactive_activities_if_specified
    project = Project.find(1)
    overridden_activity = TimeEntryActivity.new({:name => "Project", :project => project, :parent => TimeEntryActivity.find(:first), :active => false})
    assert overridden_activity.save!

    assert project.activities(true).include?(overridden_activity), "Inactive Project specific Activity not found"
  end

  context "Project#copy" do
    setup do
      ProjectCustomField.destroy_all # Custom values are a mess to isolate in tests
      Project.destroy_all :identifier => "copy-test"
      @source_project = Project.find(2)
      @project = Project.new(:name => 'Copy Test', :identifier => 'copy-test')
      @project.trackers = @source_project.trackers
      @project.enabled_module_names = @source_project.enabled_modules.collect(&:name)
    end

    should "copy issues" do
      assert @project.valid?
      assert @project.issues.empty?
      assert @project.copy(@source_project)

      assert_equal @source_project.issues.size, @project.issues.size
      @project.issues.each do |issue|
        assert issue.valid?
        assert ! issue.assigned_to.blank?
        assert_equal @project, issue.project
      end
    end

    should "change the new issues to use the copied version" do
      assigned_version = Version.generate!(:name => "Assigned Issues")
      @source_project.versions << assigned_version
      assert_equal 1, @source_project.versions.size
      @source_project.issues << Issue.generate!(:fixed_version_id => assigned_version.id,
                                                :subject => "change the new issues to use the copied version",
                                                :tracker_id => 1,
                                                :project_id => @source_project.id)
      
      assert @project.copy(@source_project)
      @project.reload
      copied_issue = @project.issues.first(:conditions => {:subject => "change the new issues to use the copied version"})

      assert copied_issue
      assert copied_issue.fixed_version
      assert_equal "Assigned Issues", copied_issue.fixed_version.name # Same name
      assert_not_equal assigned_version.id, copied_issue.fixed_version.id # Different record
    end

    should "copy members" do
      assert @project.valid?
      assert @project.members.empty?
      assert @project.copy(@source_project)

      assert_equal @source_project.members.size, @project.members.size
      @project.members.each do |member|
        assert member
        assert_equal @project, member.project
      end
    end

    should "copy project specific queries" do
      assert @project.valid?
      assert @project.queries.empty?
      assert @project.copy(@source_project)

      assert_equal @source_project.queries.size, @project.queries.size
      @project.queries.each do |query|
        assert query
        assert_equal @project, query.project
      end
    end

    should "copy versions" do
      @source_project.versions << Version.generate!
      @source_project.versions << Version.generate!

      assert @project.versions.empty?
      assert @project.copy(@source_project)

      assert_equal @source_project.versions.size, @project.versions.size
      @project.versions.each do |version|
        assert version
        assert_equal @project, version.project
      end
    end

    should "copy wiki" do
      assert_difference 'Wiki.count' do
        assert @project.copy(@source_project)
      end

      assert @project.wiki
      assert_not_equal @source_project.wiki, @project.wiki
      assert_equal "Start page", @project.wiki.start_page
    end

    should "copy wiki pages and content" do
      assert @project.copy(@source_project)

      assert @project.wiki
      assert_equal 1, @project.wiki.pages.length

      @project.wiki.pages.each do |wiki_page|
        assert wiki_page.content
        assert !@source_project.wiki.pages.include?(wiki_page)
      end
    end

    should "copy custom fields"

    should "copy issue categories" do
      assert @project.copy(@source_project)

      assert_equal 2, @project.issue_categories.size
      @project.issue_categories.each do |issue_category|
        assert !@source_project.issue_categories.include?(issue_category)
      end
    end

    should "copy boards" do
      assert @project.copy(@source_project)

      assert_equal 1, @project.boards.size
      @project.boards.each do |board|
        assert !@source_project.boards.include?(board)
      end
    end

    should "change the new issues to use the copied issue categories" do
      issue = Issue.find(4)
      issue.update_attribute(:category_id, 3)

      assert @project.copy(@source_project)

      @project.issues.each do |issue|
        assert issue.category
        assert_equal "Stock management", issue.category.name # Same name
        assert_not_equal IssueCategory.find(3), issue.category # Different record
      end
    end
    
    should "limit copy with :only option" do
      assert @project.members.empty?
      assert @project.issue_categories.empty?
      assert @source_project.issues.any?
    
      assert @project.copy(@source_project, :only => ['members', 'issue_categories'])

      assert @project.members.any?
      assert @project.issue_categories.any?
      assert @project.issues.empty?
    end
    
    should "copy issue relations"
    should "link issue relations if cross project issue relations are valid"

  end

end