free_mutant/spec/unit/mutant_spec.rb

47 lines
1.1 KiB
Ruby

RSpec.describe Mutant do
let(:object) { described_class }
describe '.zombify' do
subject { object.zombify }
it 'calls the zombifier' do
expect(Mutant::Zombifier).to receive(:run).with('mutant', :Zombie)
subject
end
end
describe '.singleton_subclass_instance' do
subject { object.singleton_subclass_instance(name, superclass, &block) }
before { subject }
let(:name) { 'Test' }
let(:block) { proc { def foo; end } }
let(:superclass) { Class.new }
let(:generated) { superclass.const_get(:Test) }
it_should_behave_like 'a command method'
it 'sets expected name' do
name = generated.class.name
expect(name).to eql("::#{self.name}")
expect(name).to be_frozen
end
it 'stores instance of subclass' do
expect(generated).to be_kind_of(superclass)
end
it 'evaluates the context of proc inside subclass' do
expect(generated).to respond_to(:foo)
end
it 'generates nice #inspect' do
inspect = generated.inspect
expect(inspect).to eql("::#{self.name}")
expect(inspect).to be_frozen
end
end
end