27 lines
872 B
Ruby
27 lines
872 B
Ruby
require 'spec_helper'
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describe Mutant::Subject, '#each' do
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subject { object.each { |item| yields << item } }
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let(:object) { described_class.new(context, ast) }
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let(:root) { mock('Root AST') }
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let(:ast) { mock('AST') }
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let(:context) { mock('Context', :root => root) }
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let(:mutation) { mock('Mutation') }
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let(:yields) { [] }
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before do
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Mutant::Mutator.stub(:each).with(ast).and_yield(mutation).and_return(Mutant::Mutator)
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end
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it_should_behave_like 'an #each method'
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it 'should initialize mutator with ast' do
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Mutant::Mutator.should_receive(:each).with(ast).and_yield(mutation).and_return(Mutant::Mutator)
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subject
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end
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it 'should yield mutations' do
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expect { subject }.to change { yields.dup }.from([]).to([mutation])
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end
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end
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