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# frozen_string_literal: true
require 'spec_helper'
describe Commander::Command do
include Commander::Methods
before :each do
mock_terminal
create_test_command
end
describe 'Options' do
before :each do
@options = Commander::Command::Options.new
end
it 'should act like an open struct' do
@options.send = 'mail'
@options.call = true
expect(@options.send).to eq('mail')
expect(@options.call).to eq(true)
end
it 'should allow __send__ to function as always' do
@options.send = 'foo'
expect(@options.__send__(:send)).to eq('foo')
end
end
describe '#option' do
it 'should add options' do
expect { @command.option '--recursive' }.to change(@command.options, :length).from(1).to(2)
end
it 'should allow procs as option handlers' do
@command.option('--recursive') { |recursive| expect(recursive).to be true }
@command.run '--recursive'
end
it 'should allow usage of common method names' do
@command.option '--open file'
@command.when_called { |_, options| expect(options.open).to eq('foo') }
@command.run '--open', 'foo'
end
end
describe '#run' do
describe 'should invoke #when_called' do
it 'with arguments seperated from options' do
@command.when_called { |args, _options| expect(args.join(' ')).to eq('just some args') }
@command.run '--verbose', 'just', 'some', 'args'
end
it 'calling the #call method by default when an object is called' do
object = double 'Object'
expect(object).to receive(:call).once
@command.when_called object
@command.run 'foo'
end
it 'should allow #action as an alias to #when_called' do
object = double 'Object'
expect(object).to receive(:call).once
@command.action object
@command.run 'foo'
end
it 'calling an arbitrary method when an object is called' do
object = double 'Object'
expect(object).to receive(:foo).once
@command.when_called object, :foo
@command.run 'foo'
end
it 'should raise an error when no handler is present' do
expect { @command.when_called }.to raise_error(ArgumentError)
end
it 'should be able to be run more than once' do
expect(@command.run('once')).to eql('test once')
expect(@command.run('twice')).to eql('test twice')
end
it 'should not accumulate entries in @proxy_options when run twice' do
expect(@command.run('--verbose')).to eql('test ')
expect(@command.proxy_options).to eq([[:verbose, true]])
expect(@command.run('foo')).to eql('test foo')
expect(@command.proxy_options).to eq([])
end
end
describe 'should populate options with' do
it 'boolean values' do
@command.option '--[no-]toggle'
@command.when_called { |_, options| expect(options.toggle).to be true }
@command.run '--toggle'
@command.when_called { |_, options| expect(options.toggle).to be false }
@command.run '--no-toggle'
end
it 'mandatory arguments' do
@command.option '--file FILE'
@command.when_called { |_, options| expect(options.file).to eq('foo') }
@command.run '--file', 'foo'
expect { @command.run '--file' }.to raise_error(OptionParser::MissingArgument)
end
describe 'optional arguments' do
before do
@command.option '--use-config [file] '
end
it 'should return the argument when provided' do
@command.when_called { |_, options| expect(options.use_config).to eq('foo') }
@command.run '--use-config', 'foo'
end
it 'should return true when present without an argument' do
@command.when_called { |_, options| expect(options.use_config).to be true }
@command.run '--use-config'
end
it 'should return nil when not present' do
@command.when_called { |_, options| expect(options.use_config).to be_nil }
@command.run
end
end
describe 'typed arguments' do
before do
@command.option '--interval N', Integer
end
it 'should parse valid values' do
@command.when_called { |_, options| expect(options.interval).to eq(5) }
@command.run '--interval', '5'
end
it 'should reject invalid values' do
expect { @command.run '--interval', 'invalid' }.to raise_error(OptionParser::InvalidArgument)
end
end
it 'lists' do
@command.option '--fav COLORS', Array
@command.when_called { |_, options| expect(options.fav).to eq(%w(red green blue)) }
@command.run '--fav', 'red,green,blue'
end
it 'lists with multi-word items' do
@command.option '--fav MOVIES', Array
@command.when_called { |_, options| expect(options.fav).to eq(['super\ bad', 'nightmare']) }
@command.run '--fav', 'super\ bad,nightmare'
end
it 'defaults' do
@command.option '--files LIST', Array
@command.option '--interval N', Integer
@command.when_called do |_, options|
options.default \
files: %w(foo bar),
interval: 5
expect(options.files).to eq(%w(foo bar))
expect(options.interval).to eq(15)
end
@command.run '--interval', '15'
end
describe 'given a global option' do
before do
@command.global_options << [:global_option, 'gvalue']
end
describe 'and no command specific arguments' do
it 'provides the global option to the command action' do
@command.when_called { |_, options| expect(options.global_option).to eq('gvalue') }
@command.run
end
end
describe 'and a command specific option' do
it 'provides the global option to the command action' do
@command.when_called { |_, options| expect(options.global_option).to eq('gvalue') }
@command.run '--verbose'
end
end
describe 'and a command specific argument' do
it 'provides the global option to the command action' do
@command.when_called { |_, options| expect(options.global_option).to eq('gvalue') }
@command.run 'argument'
end
end
end
end
end
end
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