Thibault Jouan ef0307fbb5 Improve small details in specs:
* Fix coding standards;
* Simplify some expectations (eq instead of be matcher);
* Expect identity on block instead of calling;
* Change some before call as oneliners;
* Avoid shadowing variable names;
* Improve wording where needed.
2013-12-19 22:46:56 +00:00

103 lines
2.6 KiB
Ruby

require 'spec_helper'
module Producer::Core
describe CLI do
include ExitHelpers
include FixturesHelpers
let(:recipe_file) { fixture_path_for 'recipes/empty.rb' }
let(:arguments) { [recipe_file] }
subject(:cli) { CLI.new(arguments) }
describe '#initialize' do
it 'assigns $stdout as the default standard output' do
expect(cli.instance_eval { @stdout }).to be $stdout
end
end
describe '#arguments' do
it 'returns the assigned arguments' do
expect(cli.arguments).to eq arguments
end
end
describe '#run!' do
it 'checks the arguments' do
expect(cli).to receive :check_arguments!
cli.run!
end
it 'processes the tasks with the interpreter' do
allow(cli.recipe).to receive(:tasks) { [:some_task] }
expect(cli.interpreter).to receive(:process).with [:some_task]
cli.run!
end
end
describe '#check_arguments!' do
context 'when recipe argument is provided' do
it 'does not raise any error' do
expect { cli.check_arguments! }.to_not raise_error
end
end
context 'when recipe argument is missing' do
let(:arguments) { [] }
let(:stdout) { StringIO.new }
subject(:cli) { CLI.new(arguments, stdout) }
it 'exits with a return status of 64' do
expect { cli.check_arguments! }.to raise_error(SystemExit) { |e|
expect(e.status).to eq 64
}
end
it 'prints the usage' do
trap_exit { cli.check_arguments! }
expect(stdout.string).to match /\AUsage: .+/
end
end
end
describe '#env' do
it 'builds an environment with the current recipe' do
expect(Env).to receive :new
cli.env
end
it 'returns the env' do
env = double 'env'
allow(Env).to receive(:new) { env }
expect(cli.env).to be env
end
end
describe '#recipe' do
it 'builds a recipe' do
expect(Recipe)
.to receive(:evaluate_from_file).with(recipe_file, cli.env)
cli.recipe
end
it 'returns the recipe' do
recipe = double('recipe').as_null_object
allow(Recipe).to receive(:new) { recipe }
expect(cli.recipe).to be recipe
end
end
describe '#interpreter' do
it 'builds a interpreter' do
expect(Interpreter).to receive :new
cli.interpreter
end
it 'returns the interpreter' do
interpreter = double 'interpreter'
allow(Interpreter).to receive(:new) { interpreter }
expect(cli.interpreter).to be interpreter
end
end
end
end