コマンドの実行後にこのエラー メッセージが表示される
レーキ テスト:単位
undefined method `assert' for ProductTest:Class (NoMethodError)
from /home/mayank/src/proj/vendor/bundle/ruby/1.8/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
from /home/mayank/src/proj/vendor/bundle/ruby/1.8/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
from /home/mayank/src/proj/vendor/bundle/ruby/1.8/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:236:in `load_dependency'
from /home/mayank/src/proj/vendor/bundle/ruby/1.8/gems/activesupport-3.2.3/lib/active_support/dependencies.rb:251:in `require'
from /home/mayank/src/proj/vendor/bundle/ruby/1.8/gems/rake-0.9.2.2/lib/rake/rake_test_loader.rb:10
from /home/mayank/src/proj/vendor/bundle/ruby/1.8/gems/rake-0.9.2.2/lib/rake/rake_test_loader.rb:9:in `each'
from /home/mayank/src/proj/vendor/bundle/ruby/1.8/gems/rake-0.9.2.2/lib/rake/rake_test_loader.rb:9
from /home/mayank/src/proj/vendor/bundle/ruby/1.8/gems/rake-0.9.2.2/lib/rake/rake_test_loader.rb:4:in `select'
from /home/mayank/src/proj/vendor/bundle/ruby/1.8/gems/rake-0.9.2.2/lib/rake/rake_test_loader.rb:4
rake aborted!
アプリケーションのソースコードは以下の通りです。行アサートでエラーが発生しました。
require 'test_helper'
class ProductTest < ActiveSupport::TestCase
product = Product.new
assert product.invalid?
assert product.errors[:title].any?
assert product.errors[:description].any?
assert product.errors[:price].any?
assert product.errors[:image_url].any?
# test "the truth" do
# assert true
# end
end