Module: Cuprum::Rails::RSpec::Contracts::Actions::DestroyContracts::ShouldDestroyTheEntityContract

Extended by:
RSpec::SleepingKingStudios::Contract
Defined in:
lib/cuprum/rails/rspec/contracts/actions/destroy_contracts.rb

Overview

Contract asserting the action destroys the specified entity.

Instance Method Summary collapse

Instance Method Details

#apply(example_group, existing_entity: , **options) { ... } ⇒ Object

Adds the contract to the example group.

Parameters:

  • example_group (RSpec::Core::ExampleGroup) —

    The example group to which the contract is applied.

  • existing_entity (Object) (defaults to: ) —

    The existing entity to destroy.

Options Hash (**options):

  • expected_value (Hash<String>) —

    The expected value for the passing result. Defaults to a Hash with the destroyed entity.

  • params (Hash<String>) —

    The parameters used to build the request. Defaults to the id of the entity.

Yields:

  • Additional configuration or examples.



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# File 'lib/cuprum/rails/rspec/contracts/actions/destroy_contracts.rb', line 106

contract do |existing_entity:, **options, &block|
  describe '#call' do
    include Cuprum::Rails::RSpec::ContractHelpers

    context 'when the entity exists' do
      let(:request) do
        Cuprum::Rails::Request.new(params: configured_params)
      end
      let(:configured_existing_entity) do
        option_with_default(existing_entity)
      end
      let(:configured_params) do
        resource_id =
          configured_existing_entity[configured_resource.primary_key]

        option_with_default(
          options[:params],
          default: { 'id' => resource_id }
        )
      end
      let(:configured_expected_value) do
        resource_name = configured_resource.singular_name

        option_with_default(
          options[:expected_value],
          default: {
            resource_name => configured_existing_entity
          }
        )
      end

      it 'should return a passing result' do
        expect(call_action)
          .to be_a_passing_result
          .with_value(configured_expected_value)
      end

      it 'should destroy the entity', :aggregate_failures do
        expect { call_action }
          .to change(configured_resource.entity_class, :count)
          .by(-1)

        primary_key_name  = configured_resource.primary_key
        primary_key_value = configured_existing_entity[primary_key_name]
        expect(
          action
          .resource
          .entity_class
          .exists?(primary_key_name => primary_key_value)
        ).to be false
      end

      instance_exec(&block) if block
    end
  end
end