spec for todo app with Sung

todo_spec.rb

require 'rspec'
require 'simplecov'
SimpleCov.start

require './list.rb'
require './task.rb'

describe Todo::List do

  before :each do
    @new_list = Todo::List.new('./todo.txt')
  end

  it "should be initialized" do
    @new_list.should be_an_instance_of Todo::List
  end

  it "should not be initialized without arguments" do
    lambda {Todo::List.new}.should raise_error(ArgumentError)
  end

  it "should parse tasks from file and contain existing tasks" do
    old_tasks = File.readlines('./todo.txt')
    @new_list.print_tasks({:status=>nil}).length.should equal old_tasks.length
  end

  [:add_task, :delete_task, :complete_task, :print_tasks].each do |method|
     it "should respond to #{ method }" do
        @new_list.should respond_to(method)
     end
  end

  it "should add tasks" do
    # old_contents = File.readlines('./todo.txt')
    @new_list.print_tasks({:status=>:nil}).to_s.index("testing add and delete tasks").should be_nil
    @new_list.add_task("testing add and delete tasks")
    @new_list.print_tasks({:status=>:nil}).to_s.index("testing add and delete tasks").should_not be_nil
    # old_contents.length.should be < File.readlines('./todo.txt').length
  end

  it "should delete tasks" do
    # old_contents = File.readlines('./todo.txt')
    @new_list.print_tasks({:status=>:nil}).to_s.index("testing add and delete tasks").should_not be_nil
    @new_list.delete_task(@new_list.print_tasks({:status=>:nil}).length)
    @new_list.print_tasks({:status=>:nil}).to_s.index("testing add and delete tasks").should be_nil
    # old_contents.length.should be > File.readlines('./todo.txt').length
  end

  it "should complete tasks" do
    # task_completer = Todo::Task.new("We want to complete this")
    @new_list.complete_task(1)
    File.readlines('./todo.txt')[1].split(' ; ')[2].chomp.should_not be ""
  end

  it "should print all tasks" do
    @new_list.print_tasks({:status=>:nil})
    $stdout.should_not be nil
  end

  it "should print complete tasks" do
    count = 0
    File.readlines('./todo.txt').each do |line|
      if line.split(' ; ')[2].chomp != ""
        count +=1
      end
    end
    @new_list.print_tasks({:status=>:complete}).length.should equal count
  end

  it "should print incomplete tasks" do
    count = 0
    File.readlines('./todo.txt').each do |line|
      if line.split(' ; ')[2].chomp == ""
        count +=1
      end
    end
    @new_list.print_tasks({:status=>:incomplete}).length.should equal count
  end

end

describe Todo::Task do

  before :each do
    @new_task = Todo::Task.new("Task 1")
  end

  it "should be initialized" do
    @new_task.should be_an_instance_of Todo::Task
  end

  [:to_s, :complete!, :complete?, :incomplete?].each do |method|
    it "should respond to #{method}" do
      @new_task.should respond_to(method)
    end
  end

  it "should respond to self.from_string" do
    Todo::Task.should respond_to :from_string
  end

  it "should create a string of 3 separate 'columns'" do
    @new_task.to_s.split(';').length.should equal 3
  end
end