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require 'spec_helper'
require 'semantic_puppet/dependency/unsatisfiable_graph'
describe SemanticPuppet::Dependency::UnsatisfiableGraph do
let(:modules) { %w[ foo bar baz ] }
let(:graph) { double('Graph', :modules => modules) }
let(:instance) { described_class.new(graph, ['a']) }
subject { instance }
describe '#message' do
subject { instance.message }
it { should match /#{instance.send(:sentence_from_list, modules)}/ }
end
describe '#sentence_from_list' do
subject { instance.send(:sentence_from_list, modules) }
context 'with a list of one item' do
let(:modules) { %w[ foo ] }
it { should eql 'foo' }
end
context 'with a list of two items' do
let(:modules) { %w[ foo bar ] }
it { should eql 'foo and bar' }
end
context 'with a list of three items' do
let(:modules) { %w[ foo bar baz ] }
it { should eql 'foo, bar, and baz' }
end
context 'with a list of more than three items' do
let(:modules) { %w[ foo bar baz quux ] }
it { should eql 'foo, bar, baz, and quux' }
end
end
end
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