require 'unit_helper' require 'tmpdir' require 'vagrant-lxc/action/clear_forwarded_ports' describe Vagrant::LXC::Action::ClearForwardedPorts do let(:app) { double(:app, call: true) } let(:env) { {machine: machine, ui: double(info: true)} } let(:machine) { double(:machine, data_dir: data_dir) } let!(:data_dir) { Pathname.new(Dir.mktmpdir) } let(:pids_dir) { data_dir.join('pids') } let(:pid) { 'a-pid' } let(:pid_cmd) { 'redir' } subject { described_class.new(app, env) } before do pids_dir.mkdir pids_dir.join('redir_1234.pid').open('w') { |f| f.write(pid) } subject.stub(system: true, :` => pid_cmd) subject.call(env) end after { FileUtils.rm_rf data_dir.to_s } it 'removes all files under pid directory' do Dir[pids_dir.to_s + "/redir_*.pid"].should be_empty end context 'with a valid redir pid' do it 'kills known processes' do subject.should have_received(:system).with("sudo pkill -TERM -P #{pid}") end end context 'with an invalid pid' do let(:pid_cmd) { 'sudo ls' } it 'does not kill the process' do subject.should_not have_received(:system).with("sudo pkill -TERM -P #{pid}") end end end