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

# Re-raise errors caught by the controller.
class ChipTypesController; def rescue_action(e) raise e end; end

class ChipTypesControllerTest < Test::Unit::TestCase
  fixtures :chip_types, :chip_transactions,
    :users, :organisms

  def setup
    @controller = ChipTypesController.new
    @request    = ActionController::TestRequest.new
    @response   = ActionController::TestResponse.new
    
    # chip type management is only accessible to admins
    # so use that login for all tests
    login_as_admin
  end

  def test_index
    get :index
    assert_response :success
    assert_template 'list'
  end

  def test_list
    get :list

    assert_response :success
    assert_template 'list'

    assert_not_nil assigns(:chip_types)
  end

  def test_new
    get :new

    assert_response :success
    assert_template 'new'

    assert_not_nil assigns(:chip_type)
  end

  def test_create
    num_chip_types = ChipType.count

    post :create, :chip_type => {:name => "Chippy", :short_name => "chpy",
         :organism_id => organisms(:first).id, :array_platform => "affy"}

    assert_response :redirect
    assert_redirected_to :action => 'list'

    assert_equal num_chip_types + 1, ChipType.count
  end

  def test_edit
    get :edit, :id => chip_types(:mouse).id

    assert_response :success
    assert_template 'edit'

    assert_not_nil assigns(:chip_type)
    assert assigns(:chip_type).valid?
  end

  def test_update
    post :update, :id => chip_types(:mouse).id
    assert_response :redirect
    assert_redirected_to :action => 'list', :id => chip_types(:mouse).id
  end

  def test_update_locked
    # grab the chip_type we're going to use twice
    chip_type1 = chip_types(:mouse)
    chip_type2 = chip_types(:mouse)
    
    # update it once, which should sucess
    post :update, :id => chip_types(:mouse).id, :chip_type => { :name => "chip type1", 
                                            :lock_version => chip_type1.lock_version }

    # and then update again with stale info, and it should fail
    post :update, :id => chip_types(:mouse).id, :chip_type => { :name => "chip type2", 
                                            :lock_version => chip_type2.lock_version }                                               

    assert_response :success                                                
    assert_template 'edit'
    assert_flash_warning
    
    assert_equal "chip type1", ChipType.find( chip_types(:mouse) ).name
  end

  def test_destroy_no_associated_transactions
    assert_not_nil ChipType.find( chip_types(:mouse).id )

    post :destroy, :id => chip_types(:mouse).id
    assert_response :redirect
    assert_redirected_to :action => 'list'

    assert_raise(ActiveRecord::RecordNotFound) {
      ChipType.find( chip_types(:mouse).id )
    }
  end
  
  def test_destroy_with_associated_transactions
    assert_not_nil ChipType.find( chip_types(:alligator).id )

    post :destroy, :id => chip_types(:alligator).id
    assert_response :redirect
    assert_redirected_to :action => 'list'

    assert_raise(ActiveRecord::RecordNotFound) {
      ChipType.find( chip_types(:alligator).id )
    }
  end
end