msarit

class LinkedListNode
  attr_accessor :value, :next_node

  def initialize(value, next_node=nil)
    @value = value
    @next_node = next_node
  end
end

class Stack

msarit

describe "grams#edit action" do
it "shouldn't let a user who did not create the gram edit a gram" do
      gram = FactoryBot.create(:gram)
      user = FactoryBot.create(:user)
      sign_in user
      get :edit, params: { id: gram.id }
      expect(response).to have_http_status(:forbidden)
    end
end

msarit

FactoryBot.define do
  factory :gram do
    sequence :message do |m|
    "Hello! This is dummy message No. #{m}."
    end
    association :user
  end
end

msarit

describe "grams#edit action" do
it "shouldn't let a user who did not create the gram edit a gram" do
      gram = FactoryBot.create(:gram)
      diff_user = FactoryBot.create(:user)
      sign_in diff_user
      get :edit, params: { id: gram.id }
      expect(response).to have_http_status(:forbidden)
    end
end

msarit

describe "grams#destroy action" do
  it "should return a 404 error if gram with the specified id cannot be found" do
    user = FactoryBot.create(:user)
    sign_in user
    delete :destroy, params: { id: 'GHOST' }
    expect(response).to have_http_status(:not_found)
  end
end

msarit

class GramsController < ApplicationController
  before_action :authenticate_user!, only: [:new, :create, :edit, :update, :destroy]

msarit

class LinkedListNode
  attr_accessor :value, :next_node

  def initialize(value, next_node=nil)
    @value = value
    @next_node = next_node
  end
end

class Stack

msarit

require_relative "./linkedlistnode1and2.rb"

RSpec.describe 'mutate_list' do
  it "should return the expected values" do
    node1 = LinkedListNode.new(1)
    node2 = LinkedListNode.new(2,node1)
    mutate = mutate_list(node2)
    expect(mutate.value).to eq 1
    expect(mutate.next_node.value).to eq 2
    expect(mutate.next_node.next_node).to eq nil

msarit

require_relative "./linkedlistnode1and2.rb"

RSpec.describe 'mutate_list' do
  it "should return the expected values" do
    node1 = LinkedListNode.new(1)
    node2 = LinkedListNode.new(2,node1)
    rev = reverse_list(node2)
    mutate = mutate_list(node2)
    expect(rev).to eq mutate
  end

msarit

module Luhn
  def self.is_valid?(number)
    
    array = number.to_s.chars.map(&:to_i)
    array2 = []

    array.reverse.each_with_index do |digit,digit_index|
      if digit_index % 2 == 1
        digit = digit * 2
        if digit >= 10