require File.dirname(__FILE__) + '/../test_helper'

class FileStream < StringIO
  attr_accessor :original_filename, :content_type
end


class TicketChangeTest < Test::Unit::TestCase
  fixtures :ticket_changes, :tickets, :statuses, :projects, :users, :priorities, :milestones, :groups, :groups_users, :groups_projects

  def setup
    RetroCM.reload
    Project.current = projects(:retro)
  end

  def teardown
    Project.current = nil
  end

  def test_crud
    tk = Project.current.tickets.first    
    tk.monitor_attribute_changes!    
    
    o1 = tk.ticket_changes.build(:author => 'Some Name', :email=> 'some@email.com', :content => 'Some comment ...')
    assert(tk.save)
    
    o2 = TicketChange.find(o1.id)
    assert_equal(o1.email, o2.email)

    o2.email = 'test@test.com'
    assert(o2.save)    
    assert_not_equal(o1.email, o2.email)

    o1.reload
    assert_equal(o1.email, o2.email)

    assert(o1.destroy)
  end
  
  def test_presence_validations
    tk = Project.current.tickets.first
    tk.monitor_attribute_changes!    
    o1 = tk.ticket_changes.build
    assert(!tk.save)
    assert_not_nil(o1.errors[:base])
    assert_not_nil(o1.errors[:author])
    
    o1 = build_change_without_changes
    assert(!o1.save)
    assert_not_nil(o1.errors[:base])
    o1.content = 'Comment is a change'
    assert(o1.save)

    o1 = build_change_without_changes
    assert(!o1.save)
    assert_not_nil(o1.errors[:base])
    tk = o1.ticket.dup
    tk.status_id = 3
    assert(tk.save)
  end

  def test_accessors
    tk = Project.current.tickets.first
    o1 = tk.ticket_changes.new(
      :changes => {:status => {:old => 'X', :new=>'Y'}},
      :approved => true,
      :spam => true,
      :user => users(:admin)
    )
    assert_equal(tk, o1.ticket)
    assert_equal(false, o1.approved)
    assert_equal(false, o1.spam)
    assert_nil(o1.user)
    assert_equal({}, o1.changes)
  end

  def test_user_assignment_with_attributes
    o1 = build_change_without_changes(:email => 'test@mail.com', :content => 'Comment')
    u = users(:admin)
    o1.user = u
    assert(o1.save)
    assert_equal(u.name, o1.author)
    assert_equal(u.email, o1.email)  
  end

  def test_attachments
    o1 = build_change_without_changes(:email => 'test@mail.com', :content => 'Comment')

    str = ('x' * 2048)
    stream = FileStream.new(str)   
    stream.original_filename = 'file.diff'
    stream.content_type = 'text/x-diff'

    o1.attachment = Attachment.new(stream, 1)
    assert(!o1.save)
    assert_not_nil(o1.errors[:attachment])  
    
    o1.attachment = Attachment.new(stream)
    assert(o1.save)
    assert(o1.destroy)    
    
    o2 = build_change_without_changes(:email => 'test@mail.com')
    o2.attachment = Attachment.new(stream, 1)
    assert(!o2.save)
    assert_not_nil(o2.errors[:content])      
  end

  def test_class_methods
    assert_equal('content', TicketChange.content_type)  
  end

  private 
    def build_change_without_changes(attributes = {})
      options = {:author => 'Someone'}
      options.merge!(attributes)
      ticket = Project.current.tickets.first
      ticket.monitor_attribute_changes!    
      ticket.ticket_changes.build(options)
    end

end