list_spec.rb

require 'rspec'
require 'simplecov'
require './task.rb'
SimpleCov.start
require './list.rb'

describe Todo::List do

  before(:each) do
    @file_path = './spec_todo.txt'
    File.open(@file_path, 'w') { |file| file.write '' }
    @list = Todo::List.new(@file_path)
    @file = File.open(@file_path).read
  end

  subject { @list }

  describe '#initialize' do
    it 'should create a List instance' do
      @list.should be_an_instance_of Todo::List
    end
  end

  [:parse_tasks, :print_tasks, :add_task, :delete_task, :complete_task, :write_tasks, :task_strings].each do |attribute|
    it { should respond_to attribute }
  end

  describe '#add_task' do
    it "should add a task to the file" do
      @list.add_task("bake a cake")
      File.open(@file_path).read.include?("bake a cake").should be true
    end
  end

  describe '#complete_task' do
    it "should complete the task" do
      time = Time.now
      Time.stub(:now).and_return(time)
      @list.add_task('blah')
      @list.complete_task(1)
      get_tasks(@list)[0].should == "1. blah ; #{time} ; #{time}"
    end
  end

  describe '#write_tasks' do
    it "should check if tasks is wrtten to file" do
      @list.write_tasks
      simulated_file_write = ""
      @list.task_strings { |task_string| simulated_file_write << task_string }
      File.open(@file_path).read.should eq simulated_file_write
    end
  end

  describe '#delete_task' do
    it "should delete the task from the file" do
      @list.add_task("bake a cake")
      @list.delete_task(1)
      File.open(@file_path).read.include?("bake a cake").should be false
    end
  end

  describe '#task_strings' do
    it "should give a string of tasks" do
      time = Time.now
      Time.stub(:now).and_return(time)
      @list.add_task("do laundry")
      str = ""
      @list.task_strings { |task| str << task.to_s }
      puts str.inspect
      str.chomp.rstrip.should eq "1. do laundry ; #{time} ;"
    end
  end

end

def get_tasks(list)
  ar = []
  list.task_strings { |task_string| ar << task_string.chomp.rstrip }
  ar
end