Module: Cuprum::Rails::RSpec::Contracts::ActionContracts::ShouldRequireParametersContract

Extended by:

RSpec::SleepingKingStudios::Contract

Defined in:

lib/cuprum/rails/rspec/contracts/action_contracts.rb

Overview

Contract asserting the action requires resource parameters.

Instance Method Summary

• #apply(example_group) { ... } ⇒ Object

  Adds the contract to the example group.

Instance Method Details

#apply(example_group) { ... } ⇒ Object

Adds the contract to the example group.

Parameters:

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

  The example group to which the contract is applied.

Yields:

• Additional configuration or examples.

# File 'lib/cuprum/rails/rspec/contracts/action_contracts.rb', line 518

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

    context 'when the parameters do not include params for the resource' \
    do
      let(:request) do
        Cuprum::Rails::Request.new(params: configured_params)
      end
      let(:configured_params) do
        option_with_default(options[:params], default: {})
          .dup
          .tap do |hsh|
            hsh.delete(configured_resource.singular_name)
          end
      end
      let(:configured_expected_error) do
        errors = Stannum::Errors.new.tap do |err|
          err[configured_resource.singular_name]
            .add(Stannum::Constraints::Presence::TYPE)
        end

        Cuprum::Rails::Errors::InvalidParameters.new(errors: errors)
      end

      it 'should return a failing result' do
        expect(call_action)
          .to be_a_failing_result
          .with_error(configured_expected_error)
      end

      instance_exec(&block) if block
    end

    context 'when the resource parameters are not a Hash' do
      let(:request) do
        Cuprum::Rails::Request.new(params: configured_params)
      end
      let(:configured_params) do
        option_with_default(options[:params], default: {})
          .merge(configured_resource.singular_name => 'invalid')
      end
      let(:configured_expected_error) do
        errors = Stannum::Errors.new.tap do |err|
          err[configured_resource.singular_name].add(
            Stannum::Constraints::Type::TYPE,
            allow_empty: true,
            required:    true,
            type:        Hash
          )
        end

        Cuprum::Rails::Errors::InvalidParameters.new(errors: errors)
      end

      it 'should return a failing result' do
        expect(call_action)
          .to be_a_failing_result
          .with_error(configured_expected_error)
      end

      instance_exec(&block) if block
    end
  end
end