ruby on rails - Rspec and testing instance methods -


here rspec file:

require 'spec_helper'  describe classroom, focus: true    describe "associations"     { should belong_to(:user) }   end    describe "validations"     { should validate_presence_of(:user) }   end    describe "instance methods"      describe "archive!"       before(:each)         @classroom = build_stubbed(:classroom)       end        context "when classroom active"         "should mark classroom inactive"           @classroom.archive!           @classroom.active.should_be == false         end       end      end    end  end

here classroom factory:

factorygirl.define    factory :classroom     name "hello world"     active true      trait :archive       active false     end   end  end

when instance method test runs above, receive following error: stubbed models not allowed access database

i understand why happening (but lack of test knowledge/being newb testing) can't figure out how stub out model doesn't hit database

working rspec tests:

require 'spec_helper'  describe classroom, focus: true    let(:classroom) { build(:classroom) }    describe "associations"     { should belong_to(:user) }   end    describe "validations"     { should validate_presence_of(:user) }   end    describe "instance methods"      describe "archive!"        context "when classroom active"         "should mark classroom inactive"           classroom.archive!           classroom.active == false         end       end      end    end  end

your archive! method trying save model database. , since created stubbed model, doesn't know how this. have 2 possible solutions this:

  • change method archive, don't save database, , call method in spec instead.
  • don't use stubbed model in test.

thoughtbot provides example of stubbing dependencies here. subject under test (orderprocessor) bona fide object, while items passed through stubbed efficiency.


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