CODEWITHSUNDEEP
ruby-on-railsruby-on-rails-3rspecrspec2guard
Mathieu
Mathieu

Reputation: 4797

Why is my Rspec test on length validation failing ? (rails/guard/rspec)

I have a very simple test on a Deal model that keeps failing and I can't understand why.

My Deal model:

class Deal < ActiveRecord::Base

belongs_to :admin_user, :foreign_key => 'admin_user_id'

attr_accessible :url_path,
              :country,
              :title,
              :description,
              :twitter_msg,
              :image_url,
              :prelaunch_date,
              :deal_launch_date,
              :deal_end_date,
              :featured,
              :admin_user_id
              :as => :admin_user

validates :title,
          presence: true,
          length: { maximum: 200 }

The test:

require 'spec_helper'

describe Deal do

let(:admin_user) { FactoryGirl.create(:admin_user) }

    before(:each) do
@attr = {
          url_path:    "lorem ipsum",
  country:     "France",
  title:       "lorem ipsum",
  description: "lorem ipsum lorem ipsum lorem ipsum lorem ipsum lorem ipsum lorem ipsum",
  twitter_msg: "lorem ipsum",
  image_url:   "lorem ipsum",
  prelaunch_date:     1.days.from_now.change(hour: 10),
  deal_launch_date:   3.days.from_now.change(hour: 10),
  deal_end_date:      15.days.from_now.change(hour: 10),
  featured:           true,
  admin_user_id: 1
}

end

describe "tests on deal models validations for TITLES" do
it { should validate_presence_of(:title) }
it { should_not allow_value(" ").for(:title) }

it "should reject deals with title that is too long" do
  long = "a" * 201
  hash = @attr.merge(:title => long)
  Deal.new(hash).should have(1).error_on(:title)
end    
end

and the test fail with "Deal tests on deal's models validations for TITLES should reject deals with title that is too long Failure/Error: Deal.new(hash).should have(1).error_on(:title) expected 1 error on :title, got 2 => i don't get why i have 2 errors. i should get only one and my test would be passing!

The strangest thing: - when I do rspec spec it fails - then if I change in my validates the number of characters to 195 and in my test to 196, it then passes - but then, the next time I relaunch guard or my server, then it fails again and if I change again to 190 and 191, it then works again, but as soon as I restart guard or my server

I tried this many times and it's always the same problem. I don't understand, it seems guard or my server is the problem.

Does anybody have a clue to why it happens and how I can correct this?

Upvotes: 2

Views: 3254

Answers (2)

Olalekan Sogunle
Olalekan Sogunle

Reputation: 2357

With Shoulda Matchers gem installed, you can do a:

it { should validate_length_of(:title).is_at_most(200) }

Upvotes: 2

Fiona T
Fiona T

Reputation: 1929

You could use the shoulda matcher to test validations:

it { should ensure_length_of(:title).is_at_most(200) }

Upvotes: 4

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