old_test/unit/user_portrait_relation_test.rb

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

class UserPortraitRelationTest < ActiveSupport::TestCase
  def test_relation_should_belong_to_user
    new_image_with_creator
    assert_not_nil @relation.user
    assert_kind_of User, @relation.user
    assert_equal User.first, @relation.user
  end

  def test_relation_should_belong_to_still_image
    new_image_with_creator
    assert_not_nil @relation.still_image
    assert_kind_of StillImage, @relation.still_image
    assert_equal StillImage.last, @relation.still_image
  end

  def test_should_prohibit_any_action_when_uploader_isnt_current_user
    new_image_with_creator
    @user2 = User.create(:login => 'test')
    assert_equal false, UserPortraitRelation.new_portrait_for(@user2, @still_image)
    assert_equal false, UserPortraitRelation.remove_portrait_for(@user2, @still_image)
    assert_equal false, UserPortraitRelation.make_portrait_selected_for(@user2, @still_image)
  end

  def test_portrait_only_added_when_not_already_used
    new_image_with_creator(false)
    assert_nil @still_image.portrayed_user
    creation_relation_between_user_and_still_image
    assert_not_nil @still_image.portrayed_user
  end

  def test_remove_portrait_for_user
    new_image_with_creator
    assert_not_nil @still_image.portrayed_user
    UserPortraitRelation.remove_portrait_for(@user, @still_image)
    @still_image.reload
    assert_nil @still_image.portrayed_user
  end

  def test_make_portrait_a_default
    new_image_with_creator
    assert_equal 1, @relation.position
    new_image_with_creator
    assert_equal 2, @relation.position
    UserPortraitRelation.make_portrait_selected_for(@user, @still_image)
    @relation.reload
    assert_equal 1, @relation.position
  end

  private

  def new_image_with_creator(make_relation = true)
    @user = User.first
    @still_image = StillImage.create(
      :title => 'test item',
      :basket_id => Basket.find(:first)
    )
    @still_image.creator = @user
    @still_image.save
    creation_relation_between_user_and_still_image if make_relation
  end

  def creation_relation_between_user_and_still_image
    UserPortraitRelation.new_portrait_for(@user, @still_image)
    @relation = UserPortraitRelation.last
    @user.reload
    @still_image.reload
  end
end