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POWhy rspec is getting different results from similar console operations? (M. Hartl Ruby on Rails tutorial 2ed - Section 6.3.4)
 

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  1. POWhy rspec is getting different results from similar console operations? (M. Hartl Ruby on Rails tutorial 2ed - Section 6.3.4)
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    <p>I am having a problem with the RSpec tests for user model at the end of section 6.3.4 of M. Hartl's Rails tutorial. I am absolutely lost please help.</p> <p>All of the tests are passing apart from one that I need help with:</p> <p><em>My question: Why rspec is getting different results from similar console operations and how can I fix this and pass the test?</em></p> <blockquote> <p>Failures:</p> <p>1) User return value of authenticate method with valid password </p> <p>Failure/Error: it { should == found_user.authenticate(@user.password) } expected: User id: 1, name: "Example User", email: "user@example.com", created_at: "2013-08-21 21:38:32", updated_at: "2013-08-21 21:38:32", password_digest: "$2a$04$tjcti4yEYFuJbbz9sa.Z9.F/KXJtHU3A8onU1Fhovn3x..."> got: #User id: nil, name: "Example User", email: "user@example.com", created_at: nil, updated_at: nil, password_digest: "$2a$04$6fdtfzgCFYetjShfYKuFIObWo4Uru4xRMkhW7Ow92O.2..."></p> <p>Finished in 0.64049 seconds 20 examples, 1 failure</p> <p>Failed examples:</p> <p>rspec ./spec/models/user_spec.rb:100 # User return value of authenticate method with valid password</p> </blockquote> <p>When I manually test it in rails console, authenticate method returns exactly the same user with all of the fields matching. Following is my console experiment:</p> <blockquote> <p>Loading development environment in sandbox (Rails 4.0.0) Any modifications you make will be rolled back on exit irb(main):001:0></p> <p><strong>user = User.new(name: "Example User", email: "user@example.com", password: "foobar", password_confirmation: "foobar")</strong></p> <p>=> #</p> <p>irb(main):002:0> <strong>user.save</strong><br> (0.3ms) SAVEPOINT active_record_1 User Exists (0.3ms) SELECT 1 AS one FROM "users" WHERE LOWER("users"."email") = LOWER('user@example.com') LIMIT 1 Binary data inserted for <code>string</code> type on column <code>password_digest</code> </p> <p>SQL (48.2ms) INSERT INTO "users" ("created_at", "email", "name", "password_digest", "updated_at") VALUES (?, ?, ?, ?, ?) [["created_at", Wed, 21 Aug 2013 21:45:13 UTC +00:00], ["email", "user@example.com"], ["name", "Example User"], ["password_digest", "$2a$10$6tJCohmi7t3OShf/55S5Se98JWvGhJfC1wNAZsc8B6WPP1Zgee0wu"], ["updated_at", Wed, 21 Aug 2013 21:45:13 UTC +00:00]] </p> <p>(0.2ms)RELEASE SAVEPOINT active_record_1 => true </p> <p>irb(main):003:0> <strong>found_user = User.find_by_email(user.email)</strong> </p> <p>User Load (0.5ms) SELECT "users".* FROM "users" WHERE "users"."email" = 'user@example.com' LIMIT 1 => #</p> <p>irb(main):004:0> <strong>user == found_user.authenticate(user.password)</strong></p> <p>=> true</p> </blockquote> <p>This is what I have in spec/models/user_spec.rb</p> <pre><code>require 'spec_helper' describe User do before { @user = User.new(name: "Example User", email: "user@example.com", password: "foobar", password_confirmation: "foobar") } subject { @user } . . . describe "return value of authenticate method" do before { @user.save } let(:found_user) { User.find_by_email(@user.email) } describe "with valid password" do it { should == found_user.authenticate(@user.password) } end describe "with invalid password" do let(:user_for_invalid_password) { found_user.authenticate("invalid") } it { should_not == user_for_invalid_password } specify { user_for_invalid_password.should be_false } end end . . . end </code></pre> <p>User model is as follows</p> <pre><code>class User &lt; ActiveRecord::Base before_save { |user| user.email = email.downcase } validates :name, presence: true, length: { maximum: 50 } VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i validates :email, presence: true, format: { with: VALID_EMAIL_REGEX }, uniqueness: { case_sensitive: false } has_secure_password validates :password, presence: true, length: { minimum: 6 } validates :password_confirmation, presence: true end </code></pre> <p>Not sure if gem is important, here is what I have in mine:</p> <pre><code>source 'https://rubygems.org' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '4.0.0' group :development do gem 'annotate', '~&gt; 2.4.1.beta' end # Use sqlite3 as the database for Active Record gem 'sqlite3' # Use SCSS for stylesheets gem 'sass-rails', '~&gt; 4.0.0' # Bootstrap css framework from Twitter gem 'bootstrap-sass', '2.0.0' # RSpec testing framework gem 'rspec-rails', '2.11.0' gem 'capybara', '2.1.0' # Use Uglifier as compressor for JavaScript assets gem 'uglifier', '&gt;= 1.3.0' # Use CoffeeScript for .js.coffee assets and views gem 'coffee-rails', '~&gt; 4.0.0' # See https://github.com/sstephenson/execjs#readme for more supported runtimes # gem 'therubyracer', platforms: :ruby # Use jquery as the JavaScript library gem 'jquery-rails' # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks gem 'turbolinks' # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder gem 'jbuilder', '~&gt; 1.2' group :doc do # bundle exec rake doc:rails generates the API under doc/api. gem 'sdoc', require: false end # Use ActiveModel has_secure_password gem 'bcrypt-ruby', '3.0.1' </code></pre> <p>Thank you in advance, please let me know if I missed out on any other important bits of info.</p>
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      1. POWhy rspec is getting different results from similar console operations? (M. Hartl Ruby on Rails tutorial 2ed - Section 6.3.4)
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    1. COYou might want to change your question title to "Why rspec is getting different results from similar console operations and how can I fix this and pass the test?", the current title isn't a question and doesn't make sense
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    2. COYou got a point there
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