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RSpec.describe 'OrderGroup' do
let(:order_group) { ::RSpec::Mocks::OrderGroup.new }
describe '#consume' do
let(:ordered_1) { double :ordered? => true }
let(:ordered_2) { double :ordered? => true }
let(:unordered) { double :ordered? => false }
before do
order_group.register unordered
order_group.register ordered_1
order_group.register unordered
order_group.register ordered_2
order_group.register unordered
order_group.register unordered
end
it 'returns the first ordered? expectation' do
expect(order_group.consume).to eq ordered_1
end
it 'keeps returning ordered? expectation until all are returned' do
expectations = 3.times.map { order_group.consume }
expect(expectations).to eq [ordered_1, ordered_2, nil]
end
end
end
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