producer-core/spec/producer/core/prompter_spec.rb
2014-02-10 19:06:28 +00:00

41 lines
962 B
Ruby

require 'spec_helper'
module Producer::Core
describe Prompter do
let(:input) { StringIO.new }
let(:output) { StringIO.new }
subject(:prompter) { Prompter.new(input, output) }
describe '#initialize' do
it 'assigns the given input' do
expect(prompter.input).to be input
end
it 'assigns the given output' do
expect(prompter.output).to be output
end
end
describe '#prompt' do
let(:question) { 'Which letter?' }
let(:choices) { [[:a, ?A], [:b, ?B]] }
it 'prompts choices' do
prompter.prompt question, choices
expect(output.string).to eq <<-eoh.gsub /^\s+\|/, ''
|#{question}
|0: A
|1: B
|Choice:
eoh
end
it 'returns value for entry chosen by user' do
input.puts '1'
input.rewind
expect(prompter.prompt question, choices).to eq :b
end
end
end
end