recent_files_spec.rb

recent_files_spec.rb

#====== Implement your solution below: 

# class RecentFiles

# end

#====== Solution implementation ends

require 'rspec'

describe RecentFiles do

  describe '#initialize' do

    it 'can be initialized with an empty list' do
      recent = RecentFiles.new([])
      recent.files.should == []
    end

    it 'cannot be initialized without a list of file names' do
      expect { recent = RecentFiles.new }.to raise_error
    end

    it 'can be initialized with less than 5 files' do
      file_list = [1,2,3,4]
      recent = RecentFiles.new(file_list)
      recent.files.should eq(file_list)
    end

    it 'can contain maximum 5 files only/1st five' do
      file_list = [1,2,3,4,5,6]
      recent = RecentFiles.new(file_list)
      recent.files.should eq(file_list[0..4])
    end

  end

  describe '#list' do

    it 'should return the list of the files' do
      file_list = ['file1', 'file2', 'file3']
      recent = RecentFiles.new(file_list)
      recent.files.should eq(file_list)
    end

    it 'should return the running list' do
      recent = RecentFiles.new(['file1', 'file2', 'file3'])
      recent.add('file4')
      recent.add('file5')
      recent.files.should eq(['file5', 'file4', 'file1', 'file2', 'file3'])
    end

  end


  describe '#add' do

    it 'should be able to add files to the list' do
      recent = RecentFiles.new([])
      recent.add('filename')
      recent.files.should include('filename')
    end

    it 'cannot contain duplicates' do
      recent = RecentFiles.new([])
      recent.add('filename')
      recent.add('filename')
      recent.files.should eq(['filename'])
    end

  end

end