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Rails / RSpec: "Bad value for range"

I have been trying to figure this out for some time and cannot

#app/models/user.rb class User < ActiveRecord::Base def display_name name.split(' ').try(:first) end end #spec/models/user_spec.rb require 'rails_helper' RSpec.describe User, :type => :model do let(:user) { FactoryGirl.create :user } it "should return the correct display name" do expect ( user.display_name ).to eql("Chuck") end end #spec/factories/users.rb FactoryGirl.define do factory :user do provider "MyString" uid "MyString" name "Chuck Norris" oauth_token "MyString" oauth_expires_at "2014-07-24 07:31:36" end end

But when I run this specification, I get the following error:

 Failure/Error: expect ( user.display_name ).to eql("Chuck") ArgumentError: bad value for range

and it seems like it is checking the to method on rails active support , but I think that to should be a method in rspec . Below is my feedback

 # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/activesupport-4.0.2/lib/active_support/core_ext/string/access.rb:62:in `to' # ./spec/models/user_spec.rb:7:in `block (2 levels) in <top (required)>' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:148:in `instance_exec' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:148:in `block in run' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:210:in `call' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:210:in `block (2 levels) in <class:Procsy>' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-rails-3.0.2/lib/rspec/rails/adapters.rb:72:in `block (2 levels) in <module:MinitestLifecycleAdapter>' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:294:in `instance_exec' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:294:in `instance_exec' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/hooks.rb:430:in `block (2 levels) in run' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:210:in `call' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:210:in `block (2 levels) in <class:Procsy>' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/hooks.rb:432:in `run' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/hooks.rb:485:in `run' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:303:in `with_around_example_hooks' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example.rb:145:in `run' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example_group.rb:494:in `block in run_examples' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example_group.rb:490:in `map' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example_group.rb:490:in `run_examples' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/example_group.rb:457:in `run' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/runner.rb:112:in `block (2 levels) in run_specs' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/runner.rb:112:in `map' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/runner.rb:112:in `block in run_specs' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/reporter.rb:54:in `report' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/runner.rb:108:in `run_specs' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/runner.rb:86:in `run' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/runner.rb:70:in `run' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/lib/rspec/core/runner.rb:38:in `invoke' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/gems/rspec-core-3.0.3/exe/rspec:4:in `<top (required)>' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/bin/rspec:23:in `load' # /Users/sameera/.rvm/gems/ruby-2.0.0-p247/bin/rspec:23:in `<main>'

Sorry, the question is too long, but I wanted to provide all the data that I have. and I checked this solution and it does not work :(

I'm on

  • rails 4.0.2
  • rspec 3.0.0

early

+6
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3 answers

Remove the space between expect(user.display_name) . You can have it inside parentheses if you want, but not up to them.

+25
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Using:

  def display_name name.split(' ')[0] end

Or better:

  def display_name name.blank? ? "" : name.split(' ')[0] end
0
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Can you try setting the var value first, for example:

 RSpec.describe User, :type => :model do let(:user) { FactoryGirl.create :user } it "should return the correct display name" do user_display_name = user.display_name expect (user_display_name).to eql("Chuck") end end
0
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Source: https://habr.com/ru/post/972932/

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