2013-07-28 23:25:58 +00:00

51 lines
1.2 KiB
Ruby

require 'spec_helper'
module Producer::Core
describe CLI do
include FixturesHelpers
let(:arguments) { ['host', fixture_path_for('recipes/empty.rb')] }
subject(:cli) { CLI.new(arguments) }
describe '#initialize' do
it 'assigns the arguments' do
expect(cli.arguments).to eq arguments
end
end
describe '#run!' do
it 'builds a recipe' do
expect(Recipe).to receive(:from_file).with(arguments[1]).and_call_original
cli.run!
end
it 'evaluates the recipe' do
recipe = double('recipe')
allow(Recipe).to receive(:from_file).and_return(recipe)
expect(recipe).to receive(:evaluate)
cli.run!
end
context 'missing argument' do
let(:arguments) { %w{host} }
let(:stdout) { StringIO.new }
subject(:cli) { CLI.new(arguments, stdout) }
it 'exits' do
expect { cli.run! }.to raise_error(SystemExit) { |e|
expect(e.status).to eq 64
}
end
it 'prints the usage' do
begin
cli.run!
rescue SystemExit
end
expect(stdout.string).to match /\AUsage: .+/
end
end
end
end
end