46 lines
1 KiB
Ruby
46 lines
1 KiB
Ruby
require 'spec_helper'
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describe Mutant::Matcher::Chain do
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let(:object) { described_class.new(matchers) }
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describe '#each' do
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subject { object.each { |entry| yields << entry } }
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let(:matchers) { [matcher_a, matcher_b] }
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let(:matcher_a) { [subject_a] }
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let(:matcher_b) { [subject_b] }
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let(:subject_a) { double('Subject A') }
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let(:subject_b) { double('Subject B') }
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# it_should_behave_like 'an #each method'
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context 'with no block' do
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subject { object.each }
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it { should be_instance_of(to_enum.class) }
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it 'yields the expected values' do
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expect(subject.to_a).to eql(object.to_a)
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end
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end
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let(:yields) { [] }
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it 'should yield subjects' do
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expect { subject }.to change { yields }.from([]).to([subject_a, subject_b])
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end
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end
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describe '#matchers' do
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subject { object.matchers }
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let(:matchers) { double('Matchers') }
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it { should be(matchers) }
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it_should_behave_like 'an idempotent method'
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end
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end
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