epri-vtn_custom/spec/models/ven_spec.rb

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# == Schema Information
#
# Table name: vens
#
#  id                          :integer          not null, primary key
#  name                        :string(255)
#  email                       :string(255)
#  address                     :string(255)
#  state                       :string(255)
#  zip                         :string(255)
#  geospatial_location         :string(255)
#  grid_electrical_coordinates :string(255)
#  shed_capability             :float
#  ramp_period                 :integer
#  recovery_period             :integer
#  account_id                  :integer
#  created_at                  :datetime         not null
#  updated_at                  :datetime         not null
#  registration_id             :integer
#  ven_id                      :string(255)
#  common_name                 :string(255)
#  distribute_event_payload    :text
#  profile_id                  :integer
#  http_push                   :boolean
#  transport_address           :string(255)
#  last_comm_at                :datetime
#  time_zone                   :string(255)      default("UTC")
#  ven_interface_name          :string(255)
#  address_label               :string(255)
#  address_extra               :string(255)
#  city                        :string(255)
#

require 'spec_helper'

describe Ven do

  describe 'validations' do

    before(:each) do
      @ven = FactoryGirl.build(:ven)
    end

    context ':account_id' do

      it 'presence' do
        @ven.account_id = nil

        expect(@ven).to_not be_valid
      end
    end

    # # # # # # # # # # # # # # # #

    context ':time_zone' do

      it 'presence' do
        @ven.time_zone = nil

        expect(@ven).to_not be_valid
      end

      it 'inclusion in ActiveSupport::TimeZone' do
        @ven.time_zone = 'UTC'
        other_ven = FactoryGirl.build(:ven, time_zone: 'NonZoneString')

        expect(@ven).to be_valid
        expect(other_ven).to_not be_valid
      end
    end

    # # # # # # # # # # # # # # # #

    context ':distribute_event_payload' do

      # Presence of attribute *is* being validated, but it's also being set in a `before_validation`
      # callback -- so this test for presence validation would fail (because the record, due to
      # that callback, will always have a :distribute_event_payload value at validation)

      it 'presence' do
        @ven.distribute_event_payload = nil

        expect(@ven).to be_valid
      end
    end
  end

  #####################################################################

  describe "mass assignment protections" do

    it ':account_id cannot be mass-assigned' do
      account = FactoryGirl.create(:account)
      ven = FactoryGirl.create(:ven)

      expect do
        ven.update_attributes(account_id: account.id)
      end.to raise_error() # `expect { }.not_to raise_error(SpecificErrorClass)` is deprecated
    end
  end

  #####################################################################

  describe "association" do

    it 'has_many :ven_targets' do
      ven_target_association = Ven.reflect_on_association(:ven_targets).macro

      expect(ven_target_association).to eq(:has_many)
    end

    # # # # # # # # # # # # # # # #

    it 'belongs_to :account' do
      account_association = Ven.reflect_on_association(:account).macro

      expect(account_association).to eq(:belongs_to)
    end
  end

  #####################################################################

  describe ':create' do

    it 'successfully creates the record' do
      ven = FactoryGirl.create(:ven)

      expect(Ven.all).to include(ven)
    end

    context 'after_create' do

      before(:each) do
        @ven = FactoryGirl.create(:ven)
        @ven.reload
        @vens_created_target = @ven.targets.first
      end

      describe ':create_and_associate_target_of_type_venid' do

        it 'creates a target of type `VenId` and associates it with self' do

          expect(@vens_created_target).to_not eq(nil)
          expect(@vens_created_target.class).to eq(VenId)
        end
        
        it 'names the target of type `VenId` "VEN:<id>"' do

          expect(@vens_created_target.name).to eq("VEN:#{ @ven.id }")
        end
      end
    end
  end

  #####################################################################

  describe ':handle_distribute_event_payload_value' do

    before(:each) do
      @oadr_20a_profile_id = Profile.find_by_name('2.0a').id
      @oadr_20b_profile_id = Profile.find_by_name('2.0b').id
    end

    context ':distribute_event_payload value for a new VEN' do
      # Since we don't want to rely on an exact format/contents for the returned XML,
      # we'll just ensure the returned XML contains the appropriate profile as a substring

      before(:each) do
        @ven = FactoryGirl.build(:ven, distribute_event_payload: nil)
      end

      it 'with profile 2.0a should contain substring "2.0a"' do
        @ven.profile_id = @oadr_20a_profile_id
        @ven.save

        expect(@ven.distribute_event_payload.include?('2.0a')).to be_true
      end

      # # # # # # # # # # # # # # # #

      it 'with profile 2.0b should contain substring "2.0b"' do
        @ven.profile_id = @oadr_20b_profile_id
        @ven.save

        expect(@ven.distribute_event_payload.include?('2.0b')).to be_true
      end

      # # # # # # # # # # # # # # # #

      it 'with no profile should contain substring "2.0b"' do
        @ven.profile_id = nil
        @ven.save

        expect(@ven.distribute_event_payload.include?('2.0b')).to be_true
      end
    end

    # # # # # # # # # # # # # # # #

    context 'handles :distribute_event_payload appropriately for an existing VEN' do

      # Even if `.create_distribute_event` is re-run with the *exact same* arguments, and the VEN passed
      # in has the *exact same* attributes, the returned XML string will have a different `requestID` value

      before(:each) do
        @ven = FactoryGirl.create(:ven, name: 'Test VEN', profile_id: @oadr_20a_profile_id)
        @initial_distribute_event_payload_value = @ven.distribute_event_payload
      end

      context 'if :profile_id has not changed' do

        it 'does not update :distribute_event_payload value' do
          # Update record (change :name) AND pass in a :profile_id value, but use the *same*
          # :profile_id value to be sure it only updates :distribute_event_payload if :profile_id
          # itself has actually *changed* (vs updating every time a :profile_id value is passed in)
          @ven.update_attributes(name: 'Other Name', profile_id: @oadr_20a_profile_id)

          expect(@ven.distribute_event_payload).to eq(@initial_distribute_event_payload_value)
        end
      end

      # # # # # # # # # # # # # # # #

      context 'if :profile_id has changed' do

        it 'updates :distribute_event_payload value' do
          @ven.update_attributes(name: 'Other Name', profile_id: @oadr_20b_profile_id)

          expect(@ven.distribute_event_payload).to_not eq(@initial_distribute_event_payload_value)
        end
      end      
    end
  end

  #####################################################################

  describe ':destroy' do

    it 'successfully destroys the record' do
      ven = FactoryGirl.create(:ven)
      ven.destroy

      expect(Ven.all).to_not include(ven)
    end

    context 'before_destroy' do

      before(:each) do
        ven = FactoryGirl.create(:ven)
        ven.reload
        @associated_target = ven.targets.find_by_type(Target::VEN_ID)
        @associated_ven_target = ven.ven_targets.find_by_target_id(@associated_target.id)
        ven.destroy
      end

      describe ':destroy_associated_target_of_type_venid' do

        it 'destroys associated target of type `venID`' do

          expect(Target.all).to_not include(@associated_target)
        end

        it 'destroys ven_target which links it to target of type `venID`' do

          expect(VenTarget.all).to_not include(@associated_ven_target)
        end
      end
    end
  end
end