RSpec未能通过学生练习

Question

我目前正在做TestFirst.org的Ruby练习。这是一个通过让你构建代码来通过测试来教授Ruby的程序。我提到这是说我没有写这个RSpec代码，但会很感激知道如何解决它。

RSpec的：

# Book Titles in English obey some strange capitalization rules. For example, 
# "and" is lowercase in "War and Peace". This test attempts to make sense of 
# some of those rules. 

require 'book' 

describe "Book" do 
    before do 
    @book = Book.new 
    end 

    describe 'title' do 
    it 'should capitalize the first letter' do 
     @book.title = "inferno" 
     @book.title.should == "Inferno" 
    end 

    it 'should capitalize every word' do 
     @book.title = "stuart little" 
     @book.title.should == "Stuart Little" 
    end 

    describe 'should capitalize every word except...' do 
     describe 'articles' do 
     specify 'the' do 
      @book.title = "alexander the great" 
      @book.title.should == "Alexander the Great" 
     end 

     specify 'a' do 
      @book.title = "to kill a mockingbird" 
      @book.title.should == "To Kill a Mockingbird" 
     end 

     specify 'an' do 
      @book.title = "to eat an apple a day" 
      @book.title.should == "To Eat an Apple a Day" 
     end 
     end 

     specify 'conjunctions' do 
     @book.title = "war and peace" 
     @book.title.should == "War and Peace" 
     end 

     specify 'prepositions' do 
     @book.title = "love in the time of cholera" 
     @book.title.should == "Love in the Time of Cholera" 
     end 
    end 

    describe 'should always capitalize...' do 
     specify 'I' do 
     @book.title = "what i wish i knew when i was 20" 
     @book.title.should == "What I Wish I Knew When I Was 20" 
     end 

     specify 'the first word' do 
     @book.title = "the man in the iron mask" 
     @book.title.should == "The Man in the Iron Mask" 
     end 
    end 
    end 
end 

之前，它甚至分析我写它来测试代码，它给这个错误：

C:\Users\Computer\Documents\learn_ruby\08_book_titles>rake 
(in C:/Users/Computer/Documents/learn_ruby) 
You must use ANSICON 1.31 or later (http://adoxa.3eeweb.com/ansicon/) to use colour on Windows 

Book 
    title 
    should capitalize the first letter (FAILED - 1) 

Failures: 

    1) Book title should capitalize the first letter 
    Failure/Error: @book = Book.new 
    NameError: 
     uninitialized constant Book 
    # ./08_book_titles/book_titles_spec.rb:20:in `block (2 levels) in <top (required)>' 

Finished in 0 seconds 
1 example, 1 failure 

Failed examples: 

rspec ./08_book_titles/book_titles_spec.rb:24 # Book title should capitalize the first letter 
C:/RailsInstaller/Ruby2.1.0/bin/ruby.exe -S rspec C:/Users/Computer/Documents/learn_ruby/08_book_titles/book_titles_spec 
.rb -IC:/Users/Computer/Documents/learn_ruby/08_book_titles -IC:/Users/Computer/Documents/learn_ruby/08_book_titles/solu 
tion -f documentation -r ./rspec_config failed 

我试着用搜索引擎的错误消息，但没有运气。我刚刚开始学习，而我没有专业知识来解决这个RSpec代码。任何帮助将不胜感激这位有需要的学生。

编辑：

我是个白痴，不明白发生了什么正在问我的。继续下去。

Answer 1

您需要创建一个名为Book的新类。

您可以在名为book.rb的同一目录中创建一个新文件，或者在测试套件顶部添加以下行。

class Book 
end