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describe Morpher do
let(:object) { described_class }
describe '.sexp' do
subject { object.sexp(&block) }
context 'with no block given' do
let(:block) { nil }
it 'raises an exception' do
expect { subject }.to raise_error(ArgumentError)
end
end
context 'with block given' do
let(:block) do
proc do
s(:foo)
s(:bar)
end
end
it 'allows to use sexp dsl and returns last value' do
should == AST::Node.new(:bar)
end
end
end
describe '.build' do
subject { object.build(&block) }
context 'with no block given' do
let(:block) { nil }
it 'raises an exception' do
expect { subject }.to raise_error(ArgumentError)
end
end
context 'with block given' do
let(:block) do
proc do
s(:foo)
s(:true)
end
end
it 'allows to use sexp dsl and returns last value compiled' do
should eql(Morpher.compile(s(:true)))
end
end
end
end
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