Contents

require 'dry/component/loader'

RSpec.describe Dry::Component::Loader do
  before do
    module Test
      class Bar
      end
    end
  end

  shared_examples_for 'a valid component' do
    describe '#constant' do
      it 'returns the constant' do
        expect(component.constant).to be(Test::Bar)
      end
    end

    describe '#identifier' do
      it 'returns container identifier' do
        expect(component.identifier).to eql('test.bar')
      end
    end

    describe '#path' do
      it 'returns relative path to file defining the component constant' do
        expect(component.path).to eql('test/bar')
      end
    end

    describe '#file' do
      it 'returns relative path to file with ext defining the component constant' do
        expect(component.file).to eql('test/bar.rb')
      end
    end

    describe '#instance' do
      it 'builds a component class instance' do
        expect(component.instance).to be_instance_of(Test::Bar)
      end
    end
  end

  let(:container) { Class.new(Dry::Component::Container) }
  let(:loader) { Dry::Component::Loader.new(container.config) }

  context 'from identifier as a symbol' do
    subject(:component) { loader.load(:'test.bar') }

    it_behaves_like 'a valid component'
  end

  context 'from identifier as a string' do
    subject(:component) { loader.load('test.bar') }

    it_behaves_like 'a valid component'
  end

  context 'from path' do
    subject(:component) { loader.load('test/bar') }

    it_behaves_like 'a valid component'
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
dry-component-0.4.3	spec/unit/loader_spec.rb
dry-component-0.4.2	spec/unit/loader_spec.rb