# encoding: utf-8 require 'spec_helper' describe Mutant::Matcher::Namespace, '#each' do subject { object.each { |item| yields << item } } let(:yields) { [] } let(:object) { described_class.new(cache, 'TestApp::Literal') } let(:cache) { Mutant::Cache.new } let(:singleton_a) { double('SingletonA', name: 'TestApp::Literal') } let(:singleton_b) { double('SingletonB', name: 'TestApp::Foo') } let(:subject_a) { double('SubjectA') } let(:subject_b) { double('SubjectB') } before do Mutant::Matcher::Methods::Singleton.stub(:each) .with(cache, singleton_a) .and_yield(subject_a) Mutant::Matcher::Methods::Instance.stub(:each) .with(cache, singleton_a) .and_yield(subject_b) ObjectSpace.stub(each_object: [singleton_a, singleton_b]) end context 'with no block' do subject { object.each } it { should be_instance_of(to_enum.class) } if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'rbx' pending 'FIX RBX rspec? BUG HERE' else it 'yields the expected values' do expect(subject.to_a).to eql(object.to_a) end end end it 'should yield subjects' do expect { subject }.to change { yields }.from([]).to([subject_a, subject_b]) end end