我在Coursera上关注course，我必须提交作业并使用rspec进行验证。到目前为止，我通过简单复制我的项目中的示例代码提供的.rspec和spec文件夹来避免rspec的所有问题，它似乎工作但现在我有一个带有以下代码的spec文件：
require 'rails_helper'
feature "Module #3" do
before :all do
$continue = true
end
around :each do |example|
if $continue
$continue = false
example.run
$continue = true unless example.exception
else
example.skip
end
end
#helper method to determine if Ruby class exists as a class
def class_exists?(class_name)
eval("defined?(#{class_name}) && #{class_name}.is_a?(Class)") == true
end
#helper method to determine if two files are the same
def files_same?(file1, file2)
if (File.size(file1) != File.size(file2)) then
return false
end
f1 = IO.readlines(file1)
f2 = IO.readlines(file2)
if ((f1 - f2).size == 0) then
return true
else
return false
end
end
context "rq01" do
context "Generate Rails application" do
it "must have top level structure of a rails application" do
expect(File.exists?("Gemfile")).to be(true)
expect(Dir.entries(".")).to include("app", "bin", "config", "db", "lib", "public", "log", "test", "vendor")
expect(Dir.entries("./app")).to include("assets", "controllers", "helpers", "mailers", "models", "views")
end
end
end
# check that TodoItem exists with fields and migration/db exists
context "rq02" do
before :each do
TodoItem.destroy_all
load "#{Rails.root}/db/seeds.rb"
end
context "Scaffolding generated" do
it "must have at least one controller and views" do
expect(Dir.entries("./app/controllers")).to include("todo_items_controller.rb")
expect(Dir.entries("./app/views/")).to include("todo_items")
expect(Dir.entries("./app/views/todo_items")).to include("index.html.erb")
end
end
context "TodoItem Model" do
it "TodoItem class" do
expect(class_exists?("TodoItem"))
expect(TodoItem < ActiveRecord::Base).to eq(true)
end
end
context "TodoItem class properties added" do
subject(:todoItem) { TodoItem.new }
it { is_expected.to respond_to(:due_date) }
it { is_expected.to respond_to(:title) }
it { is_expected.to respond_to(:completed) }
it { is_expected.to respond_to(:description) }
it { is_expected.to respond_to(:created_at) }
it { is_expected.to respond_to(:updated_at) }
end
it "TodoItem database structure in place" do
# rails g model todo_item due_date:date title description:text
# rake db:migrate
expect(TodoItem.column_names).to include "due_date", "title", "description", "completed"
expect(TodoItem.column_types["due_date"].type).to eq :date
expect(TodoItem.column_types["title"].type).to eq :string
expect(TodoItem.column_types["description"].type).to eq :text
expect(TodoItem.column_types["created_at"].type).to eq :datetime
expect(TodoItem.column_types["updated_at"].type).to eq :datetime
expect(TodoItem.column_types["completed"].type).to eq :boolean
end
end
context "rq03" do
before :each do
TodoItem.destroy_all
load "#{Rails.root}/db/seeds.rb"
end
# Check that database has been initialized with seed file prior to test
it "has the file that seeded the database" do
expect(File).to exist("#{Rails.root}/db/seeds.rb")
end
it "must have TodoItems as provided by assignment seed file" do
expect(TodoItem.all.length).to eq(3)
expect(TodoItem.all.map{ |x| x.title }).to include("Task 1", "Task 2", "Task 3")
end
end
context "rq04" do
before :each do
TodoItem.destroy_all
load "#{Rails.root}/db/seeds.rb"
end
scenario "todo_items URI should return a valid page" do
visit todo_items_path
expect(page.status_code).to eq(200)
end
end
context "rq05" do
before :each do
TodoItem.destroy_all
load "#{Rails.root}/db/seeds.rb"
# start at main page...
visit todo_items_path
end
scenario "Main page displays all items" do
expect(page).to have_content "Task 1"
expect(page).to have_content "Task 2"
expect(page).to have_content "Task 3"
end
scenario "New action from index and create action to generate a new item" do
expect(page).to have_link("New Todo item")
click_link("New Todo item")
expect(page).to have_content "Title"
item = TodoItem.new(title:'Random', description:'', completed:true, due_date:Date.today)
fill_in "Title", with: item.title
select item.due_date.year, from: 'todo_item[due_date(1i)]'
select item.due_date.strftime("%B"), from: 'todo_item[due_date(2i)]'
select item.due_date.day, from: 'todo_item[due_date(3i)]'
fill_in 'todo_item[title]', with: item.title
fill_in 'todo_item[description]', with: item.description
click_button 'Create Todo item'
new_task = TodoItem.find_by! title: "Random"
expect(TodoItem.count).to eq 4
expect(page).to have_content "Todo item was successfully created."
end
=begin
scenario "Show link takes user to detail page about an item" do
task2 = TodoItem.find_by title: "Task 2"
expect(page).to have_link("Show", href: "#{todo_item_path(task2)}")
click_link("Show", href: "#{todo_item_path(task2)}")
expect(page).to have_content task2.due_date.strftime("%F")
expect(page).to have_content task2.title
expect(page).to have_content task2.description
expect(page.current_path).to eq(todo_item_path(task2.id))
end
scenario "Edit and update action" do
new_task = TodoItem.create!(:title => "Random", :description => "", :completed => true, :due_date => Date.today)
visit edit_todo_item_path(new_task)
expect(page).to have_content "Description"
expect(page).to have_field("Title", with: "Random")
fill_in "Description", with: "fascinating"
click_button "Update Todo item"
new_task = TodoItem.find_by! title: "Random"
expect(new_task.description).to_not be_blank
expect(page).to have_content "Todo item was successfully updated."
end
scenario "Delete action" do
new_task = TodoItem.create!(:title => "Random", :description => "", :completed => true, :due_date => Date.today)
visit todo_items_path
expect(page).to have_link("Destroy", href: "#{todo_item_path(new_task)}")
click_link("Destroy", href: "#{todo_item_path(new_task)}")
expect(TodoItem.count).to eq 3
expect(TodoItem.find_by title: "Random").to be_nil
end
=end
end
context "rq06" do
before :each do
TodoItem.destroy_all
load "#{Rails.root}/db/seeds.rb"
end
scenario "after creating an item should go to listing page" do
visit new_todo_item_path
fill_in "Title", with: "some title"
click_button "Create Todo item"
expect(page).to have_content "Listing Todo Items"
expect(page.current_path).to eq(todo_items_path)
end
end
context "rq07" do
before :each do
TodoItem.destroy_all
load "#{Rails.root}/db/seeds.rb"
end
scenario "remove edit link from listing page" do
visit todo_items_path
expect(page).to_not have_content('Edit')
end
end
context "rq08" do
before :each do
TodoItem.destroy_all
load "#{Rails.root}/db/seeds.rb"
end
scenario "only display completed checkbox in the form when editing" do
visit new_todo_item_path
expect(page).to_not have_content('Completed')
item = TodoItem.all.to_a[0]
expect(item.id).to_not be_nil
visit edit_todo_item_path(item.id)
expect(page).to have_content('Completed')
end
end
context "rq09" do
before :each do
TodoItem.destroy_all
load "#{Rails.root}/db/seeds.rb"
end
scenario "display somewhere on the listing page number of completed todos" do
# seed the page with random items so test is specific to each run
TodoItem.destroy_all
numCompleted = 0;
(0..15).each do |i|
random_boolean = [true, false].sample
if (random_boolean) then
numCompleted = numCompleted + 1
end
TodoItem.create!(title: "Task #{i}", due_date: Date.today, description: "description #{i}", completed: random_boolean)
end
visit todo_items_path
expect(page).to have_content "Number of Completed Todos: #{numCompleted}"
TodoItem.create! [
{ title: "Task xyz", due_date: Date.today, completed: false },
{ title: "Task zyx", due_date: Date.tomorrow, completed: true},
]
numCompleted = numCompleted + 1
visit todo_items_path
expect(page).to have_content "Number of Completed Todos: #{numCompleted}"
end
end
end
当我按照'rails_helper'的要求运行时，我得到：
D:/RailsInstaller/Ruby2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- rails_helper (LoadError)
当我删除它时，我得到：
todolists/spec/features/module3_action_pack_spec.rb:1:in `<top (required)>': undefined method `feature' for main:Object (NoMethodError)
这是我的spec_helper.rb：
require 'rspec'
require 'capybara'
require 'capybara/dsl'
require 'capybara/poltergeist'
RSpec.configure do |config|
config.include Capybara::DSL
end
我尝试了所有可以在网上遇到的内容，例如从3.1.0降级到rspec 3.0.0并更改RailsInstaller \ Ruby2.2.0 \ lib \ ruby \ gems \ 2.2.0 \ gems \ rspec下的DirectoryMaker.rb -support-3.5.0 \ lib \ rspec \ support，如https://github.com/rspec/rspec-support/pull/109中所述，但当我尝试运行rails generate rspec时，我仍然收到错误：如下所示：
create spec/C:/Users/Zeeshan Haider/AppData/Local/Temp/d20161116-10536-1962r60/spec/spec_helper.rb
D:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/fileutils.rb:252:in `mkdir': Invalid argument @ dir_s_mkdir - F:/Zeeshan Haider/Coursera/Rails with Active Record and Action Pack/todolists/spec/C: (Errno::EINVAL)
from D:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/fileutils.rb:252:in `fu_mkdir'
from D:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/fileutils.rb:226:in `block (2 levels) in mkdir_p'
from D:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/fileutils.rb:224:in `reverse_each'
from D:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/fileutils.rb:224:in `block in mkdir_p'
from D:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/fileutils.rb:210:in `each'
from D:/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/fileutils.rb:210:in `mkdir_p'
from D:/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/thor-0.19.1/lib/thor/actions/create_file.rb:61:in `block in invoke!'